Inventory Management Software Singapore
Inventory Management Software Singapore: Stock Control Built Around How Your Business Actually Runs
Digital 9 Labs builds inventory management software for Singapore SMEs that need accurate stock counts across locations, batch and expiry tracking, barcode workflows, purchase orders, and stock levels that connect to quotations, invoicing, and POS.
Custom enterprise resource planning (ERP) software, built for Singapore SMEs. From $3.5k onwards.

Where Singapore SMEs feel stuck
Most off-the-shelf ERP software is built for someone else's workflow. We design around yours.
Stock counts are never right
The spreadsheet says 40 units, the shelf has 12, and nobody knows when or where the difference happened.
Multiple locations, one blur
Stock sits in a shop, a storeroom, and a warehouse, but there is no single view of what is where.
Expiry and batches are tracked by memory
Perishables and dated stock get discovered too late, and recalls or write-offs cannot be traced to a batch.
Purchasing is guesswork
Reorders happen when someone notices an empty shelf, so you are either out of stock or overstocked.
Goods receiving is informal
Deliveries arrive, boxes get shelved, and the PO, the delivery order, and the actual quantity received never get matched.
Stock takes shut the business down
Full counts take a weekend of printouts and manual tallying, so they happen rarely and variances pile up.
What we build into your ERP
Pick the modules that match how your team actually works. Everything connects to a single source of truth.
Multi-Location Stock
Track quantities per outlet, storeroom, or warehouse, with transfers between locations recorded properly.
Batch and Expiry Tracking
Record batch or lot numbers and expiry dates on receipt, with first-expiry-first-out picking and expiry warnings.
Barcode Workflows
Scan to receive, pick, transfer, and count using barcodes or QR codes, on a handheld scanner or a phone camera.
Purchase Orders and Goods Receipt
Raise POs to suppliers, receive against them line by line, and flag short, excess, or damaged deliveries.
Stock Takes and Adjustments
Run full or cycle counts by location or category, capture variances, and post adjustments with a reason and an audit trail.
Low-Stock Alerts and Reordering
Set reorder points per item and location, get alerts before you run out, and generate draft POs from suggestions.
Stock Costing
Value stock using FIFO or weighted average cost, so cost of goods sold and stock value reports are defensible.
Quotation, Invoicing and POS Integration
Stock levels update when quotes convert, invoices issue, or POS sales ring up, instead of being adjusted by hand later.
Reports and Dashboards
Stock on hand, stock movement, slow movers, dead stock, valuation, and variance history, filtered by location or category.
How we deliver
Stock workflow review
We walk through how stock actually moves in your business: receiving, storage, transfers, sales channels, and counting habits.
Build the inventory core
We set up items, locations, units of measure, barcodes, costing, purchase orders, and the receiving and counting workflows.
Connect sales and purchasing
Quotations, invoicing, POS, and supplier ordering plug into the same stock records, so one sale updates one truth.
Inventory Software vs Spreadsheets
Spreadsheet stock tracking
- Counts drift because updates depend on someone remembering to type them in.
- No batch, expiry, or per-location detail without the sheet becoming unmanageable.
- Purchasing decisions rely on eyeballing rows, not reorder points.
- Stock takes mean printing the sheet and reconciling by hand.
Digital 9 Labs inventory system
- Every receipt, sale, transfer, and adjustment updates stock automatically.
- Batches, expiry dates, and locations are structured fields, not footnotes.
- Reorder points and alerts turn purchasing into a routine, not a scramble.
- Barcode-assisted counts make cycle counting practical, so variances stay small.
Stock Calculators
Reorder points, safety stock and order quantities computed from your own lead times and demand, rather than from habit.
The reorder point is the level at which you order, not the amount you order. Order quantity is a separate decision — see the economic order quantity calculator.
This is the max-minus-average method: the buffer covers the worst case of high demand arriving at the same time as a slow delivery. It needs no statistics, which is why it survives contact with real SME data.
Admin, handling and inbound freight per order
Storage, capital and obsolescence
EOQ is the order size where ordering cost and holding cost are balanced. It assumes steady demand and a fixed cost per order, so treat it as a starting point to sanity-check your current order size rather than a rule.
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Industries That Benefit Most

F&B and catering
Ingredient stock by outlet and central kitchen, expiry-first usage, portion units, and supplier ordering tied to menus and event volumes.
- Ingredient batches tracked to expiry
- Wastage visible per outlet
- Recipe costing from real purchase prices
Specialty retail
Variants like size and colour, barcoded receiving and sales, transfers between outlets, and slow-mover reports for markdown decisions.
- Stock truth across outlets, not per till
- Variants and sizes as real SKUs
- Reorder before the bestseller runs out
Trading and distribution
Multi-warehouse stock, purchase orders with partial receipts, landed cost awareness, and stock reserved against confirmed orders.
- Landed cost including freight and duty
- Multi-location transfers recorded
- Customer-specific price tiers applied
Corporate gifts
Blank stock versus customised stock, project-based allocations, supplier lead times, and leftover stock visibility across campaigns.
- Stock reserved against confirmed orders
- Customisation status per line item
- Supplier lead times against delivery dates
Costing Methods, Explained Plainly

FIFO (first in, first out)
Assumes the oldest stock is sold first, so cost of goods sold reflects older purchase prices. A natural fit when stock has batches or expiry dates.
- Oldest stock consumed first
- Matches how perishable goods actually move
- Cost of sales follows purchase order
Weighted average cost
Blends all purchase prices into one average per item, which smooths out price swings and keeps valuation simple for high-volume trading.
- Smooths price volatility across receipts
- Simpler to reconcile at period end
- Common where units are interchangeable
Why the choice matters
The costing method changes your reported margins and stock value. We help you pick one method, apply it consistently, and keep it aligned with what your accountant expects.
- It changes reported margin per sale
- It changes closing stock valuation
- Switching later means restating history
What Bad Stock Data Actually Costs
Illustrative arithmetic for a Singapore SME carrying S$400,000 of stock. Your numbers will differ; the point is that the cost is continuous and rarely measured.

Shrinkage and write-offs
At a 2% annual variance on S$400,000 of stock, that is S$8,000 written off a year with no explanation attached to it.
- S$400,000 x 2% = S$8,000 a year
- Usually discovered at the annual count
- No record of where or when it went
Emergency reordering
Running out of a fast mover means paying express freight or a higher unit price. Three or four incidents a year at S$500 each is another S$2,000.
- Express freight on urgent replenishment
- Higher unit cost from a secondary supplier
- Sometimes a lost sale on top
Overstock tying up cash
Carrying two extra months of a slow line on S$60,000 of goods locks up capital that could fund the fast movers.
- Capital sitting on a shelf
- Storage and handling on goods that are not moving
- Obsolescence risk rises with age
The stock take itself
A full manual count that closes the business for a day costs a day of trading plus the staff hours to run it.
- A trading day lost, once or twice a year
- Six to ten staff hours per count
- Errors introduced by counting under time pressure
What the system removes
Not the counting. It removes the guessing: movements posted as they happen, so a cycle count checks a number rather than discovering one.
- Movements recorded at receipt and at pick
- Cycle counts on rotation, no shutdown
- Variance investigated while the trail is warm
The payback shape
Against a focused first module from about S$3,500, recovering even half of a S$10,000 annual leak is a payback measured in months.
- First module from about S$3,500
- S$8,000 shrinkage plus S$2,000 expediting
- Run the same arithmetic on your own figures
Choosing the Right Stock Method
Three decisions determine whether inventory software helps or becomes another system nobody updates.
Track by SKU, batch or serial
Most businesses need SKU. Batch matters when expiry or recall applies. Serial matters when each unit is individually warranted or traceable.
- SKU: the default for most retail and trading
- Batch: food, cosmetics, pharma, chemicals
- Serial: equipment, electronics, warranty claims
Decide the count rhythm
A single annual count guarantees a large unexplained variance. Cycle counting spreads the same effort across the year and catches problems while they are still traceable.
- Count fast movers monthly
- Count the long tail quarterly
- No shutdown, no lost trading day
Fix receiving before anything else
Most stock error enters at goods receipt, not at picking. If receiving is informal, no downstream system can be accurate.
- Receive against the purchase order
- Record short and damaged deliveries at the door
- Put away to a known location, not to the floor
Set reorder points from real lead times
A reorder point based on a guess produces either stockouts or overstock. Use the supplier's actual delivered lead time.
- Measure lead time over several orders
- Add buffer for the ones that slipped
- Review quarterly rather than never
Decide who is allowed to adjust
An adjustment without a reason code is an unexplained loss. Restricting and reason-coding adjustments is what makes variance investigable.
- Adjustments restricted by role
- Reason code required on every one
- Reviewed rather than rubber-stamped
Connect sales and purchasing
Inventory that does not see orders is a spreadsheet with a login. The value appears when a sale and a receipt move stock automatically.
- Sales orders reserve stock
- Receipts increase it without re-entry
- One number the whole team reads
Getting Stock Accuracy Above 98%
Illustrative targets for a Singapore SME. Accuracy is a discipline problem far more than a software problem.
Measure where you are first
Count a sample of 100 fast-moving SKUs and compare to system. If 12 disagree, you are at 88% and you now have a baseline.
- Sample 100 fast movers
- Count blind, not against the sheet
- Record the starting percentage
Fix receiving before anything else
Most error enters at goods receipt. Receiving against the purchase order alone commonly moves accuracy several points.
- Receive against the PO, every time
- Short and damaged recorded at the door
- Put away to a known location
Move to cycle counting
An annual count produces one large unexplained variance. Counting fast movers monthly and the tail quarterly catches problems while traceable.
- Fast movers monthly
- Long tail quarterly
- No shutdown, no lost trading day
Reason-code every adjustment
An adjustment without a reason is an unexplained loss. Reason codes turn variance into something investigable.
- Restricted by role
- Reason required, not optional
- Reviewed weekly, not annually
Connect sales and purchasing
Stock that does not move when a sale or a receipt happens will drift within a week regardless of discipline.
- Sales reserve and decrement stock
- Receipts increase it without re-entry
- One number the whole team reads
What good looks like
Above 98% on fast movers, variance investigated within the week, and no annual shutdown count. That is achievable inside a quarter.
- 98%+ on fast-moving SKUs
- Variance investigated weekly
- Annual shutdown count retired
Inventory by Business Type
What has to be right differs sharply by trade, and getting it wrong is why generic stock tools get abandoned.
Wholesale and distribution
Multi-location stock, customer price tiers and landed cost including freight and duty.
- Tiered pricing per customer
- Landed cost, not just supplier price
- Transfers between locations recorded
- Backorders visible to sales
Food and beverage
Batch and expiry are not optional, and wastage needs to be visible per outlet rather than absorbed.
- Batch tracked to expiry date
- Wastage recorded and attributed
- Recipe cost from real purchase prices
- FEFO picking where it applies
Cosmetics and aesthetics
Batch traceability for recall, plus professional stock separated from retail stock.
- Batch traceable for recall
- Professional versus retail stock split
- Expiry alerts before write-off
- Consumption per treatment recorded
Electronics and equipment
Serial numbers drive warranty, service history and traceability for every individual unit.
- Serial captured at receipt
- Warranty tied to the serial
- Service history per unit
- Returns matched to original sale
Corporate gifting
Stock reserved against confirmed orders, with customisation status tracked per line.
- Reserved on order confirmation
- Customisation status per line
- Supplier lead time against promise date
- Sample stock tracked separately
Construction supply
Materials issued to projects rather than sold, with cost posting to the job.
- Issued to a project, not a customer
- Cost posts to the job code
- Site returns recorded, not assumed
- Consumables tracked separately
Common Stock Mistakes and What They Cost
Five patterns we see repeatedly in Singapore SMEs, with the rough cost of each on a S$400,000 stock holding.
Counting once a year
One annual count produces a single large variance nobody can trace. At 2% that is S$8,000 written off with no explanation.
- S$400,000 x 2% = S$8,000
- Discovered 12 months too late
- No trail left to investigate
Reorder points set by feel
A guessed reorder point produces either stockouts or overstock, and usually both on different lines.
- Use measured supplier lead time
- Review every quarter
- Separate fast movers from the tail
- Add buffer for the orders that slipped
- Check against actual sales velocity
- Adjust before peak season, not during
No reason codes on adjustments
An adjustment without a reason is an unexplained loss, and 30 of them a month is a pattern nobody can read.
- Reason required on every adjustment
- Restricted to 2 or 3 roles
- Reviewed weekly, not annually
Receiving done from the delivery note
Receiving against the supplier document rather than your purchase order hides short and wrong deliveries until the invoice arrives.
- Receive against the PO
- Record shortages at the door
- Match the invoice to the receipt
Treating stock value as one number
Without a costing method applied consistently, closing stock value and margin per sale are both unreliable.
- Pick FIFO or weighted average
- Apply it consistently
- Changing later restates history
- Landed cost included, not just supplier price
- Reviewed with your accountant once
- Documented so a new hire applies it the same way
Budgeting the Project Properly
Illustrative arithmetic so you can build a board paper rather than react to a quote. Substitute your own figures throughout.
Phase one, the proving module
Budget S$3,500 to S$12,000 for one workflow solved end to end, live in 4 to 8 weeks on a fixed quote.
- S$3,500 entry, fixed after review
- 4 to 8 weeks to live
- One workflow, fully solved
Phase two, the department
Once phase one is in daily use, a departmental build covering 3 to 4 linked workflows typically runs S$25,000 to S$60,000.
- 3 to 4 linked workflows
- S$25,000 to S$60,000 typical
- Scoped from evidence, not a wish list
Phase three, the operation
Sales, stock, finance, approvals and reporting together is a six-figure programme and should run across 12 to 18 months, not one quarter.
- 12 to 18 months, phased
- Each phase funds the next
- No single big-bang go-live
Internal time to reserve
Budget 8 to 15 hours of your own team's time per module for interviews, testing and training. This is the line most plans omit.
- 8 to 15 hours per module
- Spread across 6 to 8 weeks
- Mostly the person who does the work
Running cost after go-live
Hosting for an SME system commonly runs S$50 to S$300 a month billed at cost to your own account, plus optional care quoted by scale.
- S$600 to S$3,600 a year hosting
- Billed to you at cost
- Care optional, quoted by scale
The comparison to run
Against a 20-seat licence at S$120 a month, five years is S$144,000 before implementation. Run both numbers over 5 years before deciding.
- 20 x S$120 x 12 = S$28,800 a year
- S$144,000 over 5 years, licence only
- Compare 5-year totals, not monthly
Grant treatment
EDG can support up to 50% of qualifying costs for eligible local SMEs on a custom build, on reimbursement, and the project must not start before applying. PSG does not cover custom work.
- Up to 50% of qualifying cost
- Reimbursement, not upfront
- Apply before starting
- Confirm with Enterprise Singapore
Implementing Inventory Software: Week by Week
Illustrative sequencing for a first module. Dates slip, but the order rarely should.
Week 1: watch the work
We sit with the people doing the job and follow one real case end to end, recording every handoff and every place data is retyped.
- 2 to 3 hours of observation
- The doer, not the manager
- One real case, start to finish
- Handoffs written down
Week 2: agree scope and fix the quote
Scope comes from what we watched. The quote is fixed and the assumptions are written down so change is visible later.
- Scope from observation
- Fixed quote issued
- Assumptions listed explicitly
- Out-of-scope named
Weeks 3 to 5: build and show weekly
You see working screens with your own data every week rather than a demo at the end.
- Weekly working build
- Your data, not samples
- Feedback folded in weekly
- No big reveal at the end
Week 6: parallel run
The new system and the old process both run for one full cycle, and the outputs are compared rather than trusted.
- One full cycle in parallel
- Outputs compared line by line
- Rollback stays available
- Confidence earned, not assumed
Week 7: train by role
Short sessions per role on their own live records, then a follow-up after the first week of real use.
- 30 to 60 minutes per role
- Their own records
- Follow-up after week one
- Written quick reference
Week 8: go live and measure
Switch over, then measure the thing you said was costing you hours, so the second module is argued from evidence.
- Measure the original pain
- Compare to the baseline
- Decide module two on evidence
- No expansion without adoption
Inventory Software: Glossary of Terms
Plain-English definitions of the terms that appear in every vendor conversation, so nothing is agreed by nodding along.
ERP
Enterprise resource planning: one system holding the records that several departments share, so a customer, job or stock item exists once rather than in five files.
- One record, many departments
- Replaces reconciliation with a shared source
- Scope is a choice, not all-or-nothing
Module
A functional area such as quoting, stock or payroll. A custom build means choosing three or four rather than buying twelve.
- Buy or build only what you use
- Modules share one data model
- Added when the last one is adopted
Master data
The reference records everything else points at: customers, suppliers, products, staff, cost codes.
- Cleaned once, maintained forever
- Duplicates here corrupt every report
- Owned by a named person
Transactional data
The events: quotes, orders, receipts, invoices, payments, timesheets. Volume grows daily; master data does not.
- Grows with trading volume
- Immutable once posted
- Corrections by reversal, not edit
Source of truth
The system everyone agrees to believe when two numbers disagree. Naming it is a management decision, not a technical one.
- Named explicitly, in writing
- Other systems reconcile to it
- Ambiguity here causes most disputes
Integration
A connection letting two systems exchange records automatically instead of by export and import.
- API or scheduled file exchange
- Direction matters: push, pull or both
- Failure handling is the hard part
API
An interface letting software talk to software. If a vendor has none, every future connection is manual.
- Ask before you buy
- REST is the common standard
- Rate limits and auth are the details
Audit trail
The record of who changed what and when. The difference between an explanation and an argument.
- Every change attributed
- Retained, not overwritten
- Required for most audits
Role-based access
Permissions granted by job function rather than by trust, so leavers are offboarded in one action.
- Permission by role, not person
- Sensitive screens hidden
- Revoked centrally
Cost code
The label that puts a cost against the job, department or project it belongs to.
- Applied at purchase, not month end
- Drives job profitability
- Kept short and stable
Committed cost
Money promised but not yet invoiced, usually at purchase order. The figure spreadsheets almost never capture.
- Visible at PO, not at invoice
- Early warning on overruns
- Distinct from actual cost
Reconciliation
Checking two records agree. Most of it exists because data was entered twice.
- Symptom of duplicate entry
- Removed by integration
- Never fully eliminated
Data migration
Moving existing records into the new system, usually the longest and least glamorous task.
- Cleaning is the larger half
- Archive rather than import everything
- Agree a cutoff date
Parallel run
Operating old and new together for one cycle so outputs can be compared before switching.
- One full cycle minimum
- Compare, do not assume
- Rollback stays available
Go-live
The point the new system becomes the record. Best done one module at a time.
- Never on a Friday
- One module, not twelve
- Support present for week one
User acceptance testing
The client testing that the system does what was agreed, using real scenarios rather than a script.
- Real cases, not happy paths
- Done by the people who will use it
- Sign-off before go-live
Change request
Work outside the agreed scope. Named and priced openly so it does not become an argument.
- Written, not verbal
- Priced before it is built
- Scope baseline retained
Technical debt
Shortcuts that make the next change slower. Sometimes worth taking deliberately, never worth taking silently.
- Recorded when taken
- Repaid before it compounds
- Invisible debt is the dangerous kind
Uptime
The share of time the system is available. Ask what it is measured against and who reports it.
- Measured, not promised
- Excludes planned maintenance
- Meaningless without monitoring
Backup and restore
Copies of your data, and the tested ability to bring them back. Only the second one matters.
- Automated and frequent
- Restore actually tested
- Recovery time measured
SSO
Single sign-on: one login across systems, so access is granted and revoked in one place.
- Central control of access
- Faster offboarding
- Fewer shared passwords
Two-factor authentication
A second proof of identity beyond the password. The cheapest security improvement available.
- Enabled for all admin users
- App-based beats SMS
- Recovery codes stored safely
PDPA
Singapore's Personal Data Protection Act, governing how personal data is collected, used and kept.
- Applies to staff and customer data
- Consent and purpose matter
- Breach obligations exist
GST
Goods and services tax, applied per line with the correct category. Errors here are a filing problem.
- Category per product, not per invoice
- Tax invoice timing matters
- Credit notes must reverse cleanly
Peppol
The international network standard behind structured e-invoicing, used by InvoiceNow in Singapore.
- Documents routed, not emailed
- Validated before acceptance
- Each participant has an identifier
CPF
Central Provident Fund: statutory contributions varying by age band and residency status.
- Rates change; confirm with CPF Board
- PR rates step up over two years
- Computed by the payroll run
SDL
Skills Development Levy, payable on top of CPF and computed in the same run.
- Applies alongside CPF
- Part of the payroll computation
- Not an optional extra
EDG
Enterprise Development Grant: supports up to 50% of qualifying costs for eligible local SMEs, on reimbursement.
- Custom builds may qualify
- Apply before the project starts
- Confirm with Enterprise Singapore
PSG
Productivity Solutions Grant, which funds pre-approved packaged solutions rather than custom work.
- Packaged solutions only
- Custom builds do not qualify
- Check the approved list first
SaaS
Software as a service: rented software, priced per user per month, hosted by the vendor.
- Recurring, not one-off
- Cost scales with headcount
- Vendor owns the roadmap
On-premise
Software running on a server you own and maintain, with the costs and control that implies.
- Hardware refresh every 4 to 5 years
- You own patching and backups
- Full control of the data
Total cost of ownership
Licence plus implementation plus migration plus training plus upgrades, over five years rather than one.
- Five years, not monthly
- Include internal time
- The only fair comparison
Vendor lock-in
The cost of leaving. Measured by whether you can export your data and who owns the code.
- Ask about export before buying
- Code ownership in writing
- Proprietary formats are the trap
Scalability
Whether the system copes as volume grows, and what it costs when it does.
- Load versus headcount pricing
- Test at 3x current volume
- Ask what breaks first
Workflow
The sequence of steps and approvals a piece of work passes through, and who owns each.
- Mapped before it is built
- Handoffs are where cost hides
- Encoded once, applied always
Approval threshold
The value above which something needs a second person to agree. Enforced by the system rather than by habit.
- Set by role and by value
- Auditable
- Prevents surprise discounts
Dashboard
A live view of the numbers management asks for, computed from records rather than assembled monthly.
- Live, not monthly
- Same data the team uses
- Few numbers, chosen deliberately
Reporting period
The window a report covers. Agreeing it prevents two people producing different truths.
- Defined and consistent
- Cutoff time stated
- Comparable period on period
Prerendering
Serving fully-formed HTML so crawlers and AI assistants read the content without running JavaScript.
- Content visible without JS
- Faster first paint
- Essential for search visibility
Agentic automation
Software that acts on records rather than only reporting on them, with human approval on anything consequential.
- Acts, not just reports
- Approval gates on money and messages
- Only as good as the data
Inventory Software: The Numbers, Collected
Illustrative Singapore figures gathered in one place. Substitute your own throughout: these size a decision, they do not predict your quote.
Typical first module
S$3,500 to S$12,000, live in 4 to 8 weeks on a fixed quote after the workflow review.
- S$3,500 entry point
- 4 to 8 weeks to live
- Fixed after review
Typical departmental build
S$25,000 to S$60,000 covering 3 to 4 linked workflows once the first module is adopted.
- 3 to 4 workflows
- S$25,000 to S$60,000
- Scoped on evidence
Typical full programme
Six figures across 12 to 18 months, phased so each stage proves itself before the next.
- 12 to 18 months
- Phased, not big bang
- Each stage funds the next
Hosting
S$50 to S$300 a month for an SME system, billed at cost on your own account.
- S$600 to S$3,600 a year
- Billed at cost
- Scales on load, not headcount
Licence comparison
20 seats at S$120 a month is S$28,800 a year, or S$144,000 over five years before implementation.
- 20 x S$120 x 12 = S$28,800
- S$144,000 over 5 years
- Plus implementation
Implementation on a licence
Commonly 50% to 150% of first-year licence. Below 30% usually means scope is excluded.
- 50% to 150% typical
- Below 30% is a warning
- Migration often separate
Data migration
S$3,000 to S$15,000 depending on record count and how clean the data is.
- S$3,000 to S$15,000
- Cleaning is the larger half
- Archive rather than import all
Training
2 to 5 days is typical. Fewer than 2 usually makes adoption your problem.
- 2 to 5 days
- Per role, not per company
- Follow-up after week one
Your internal time
8 to 15 hours per module for interviews, testing and training. The line most plans omit.
- 8 to 15 hours per module
- Across 6 to 8 weeks
- Mostly the person doing the work
Admin hire comparison
A back-office hire in Singapore costs roughly S$3,000 to S$4,500 a month before CPF and overheads.
- S$36,000 to S$54,000 a year
- Plus CPF and overheads
- Plus recruitment and cover
Hours reclaimed
A workflow costing 20 hours a month is about 240 hours a year, or S$7,200 at a loaded S$30 an hour.
- 20 hours a month
- 240 hours a year
- About S$7,200
EDG support
Up to 50% of qualifying costs for eligible local SMEs, on reimbursement, applied for before starting.
- Up to 50%
- Reimbursement basis
- Apply before starting
- Confirm with Enterprise Singapore
Inventory Software: The Buyer's Checklist
Fifteen questions worth asking any vendor, including us, before money changes hands.
Ask for the five-year total
Licence times sixty months plus implementation, migration and training. One number, comparable across vendors.
- 60 months, not one
- All one-off costs included
- Written, not verbal
Ask who owns the code
This single answer determines whether you can ever leave.
- Ownership in writing
- Repository access
- Another developer could take over
Ask about data export
A system you cannot export from is a system you cannot leave.
- Full export on demand
- Readable formats
- Scheduled exports you control
Ask what happens in week one
A vendor who starts with observation is scoping from your problem, not their product.
- Who they interview
- Whether they walk a real job
- What they hand back
Ask what they will refuse to build
A vendor who says yes to everything has not understood the problem.
- Where they recommend off-the-shelf
- What they push back on
- Out of scope on principle
Ask to see it running
Screenshots are not a system. Ask for a populated live environment.
- Live, not slides
- Populated, not empty states
- Someone using it
Ask about the second module
The first is a project; the second tests whether the architecture extends.
- Shared data model
- What clients added later
- How long it took
Ask for the support commitment in hours
Response time in hours, business days defined, escalation path named.
- Hours, not adjectives
- Business days defined
- Named escalation
Ask who maintains statutory logic
CPF, GST and e-invoicing rules change. Someone must own keeping them current.
- Named owner
- In the contract
- Update mechanism stated
Ask about the parallel run
One full cycle with both systems live is what turns confidence into evidence.
- One cycle minimum
- Outputs compared
- Rollback available
Ask what training is included
Two to five days by role, with a follow-up after real use begins.
- Days stated
- Per role
- Follow-up included
Ask how change requests are priced
Scope will change. How that is handled is worth agreeing before it happens.
- Priced openly
- Baseline retained
- Written approval
Ask for a reference you choose
Not the reference they offer. One you pick from their portfolio.
- You pick, not them
- Same size and sector
- Ask what went wrong
Ask what the system will not do
Every system has limits. A vendor who names them is a vendor who understands theirs.
- Named limits
- Workarounds explained
- No magic claims
Ask about hosting and who is billed
Hosting billed at cost to your account avoids a reseller margin you cannot see.
- Billed to you at cost
- Your account, your access
- No hidden margin
Inventory Software: Cost by Company Size
Illustrative Singapore arithmetic at four sizes. Substitute your own headcount and seat price throughout.
Company of 5 to 10 staff
A first module lands at S$3,500 to S$8,000. Licence alternatives at 8 seats and S$120 a month are S$11,520 a year, so the build repays inside 12 months at this size.
- Build: S$3,500 to S$8,000 once
- Licence: 8 x S$120 x 12 = S$11,520 a year
- 5 years licence: S$57,600
- Break-even under 12 months
Company of 10 to 25 staff
A departmental build of S$25,000 to S$40,000 against 20 seats at S$120, which is S$28,800 a year and S$144,000 over five.
- Build: S$25,000 to S$40,000
- Licence: S$28,800 a year
- 5 years licence: S$144,000
- Break-even in 12 to 18 months
Company of 25 to 60 staff
A build of S$40,000 to S$90,000 against 45 seats at S$120, which is S$64,800 a year and S$324,000 over five.
- Build: S$40,000 to S$90,000
- Licence: S$64,800 a year
- 5 years licence: S$324,000
- The per-seat gap widens fastest here
Company above 60 staff
Six-figure programmes on both sides. The deciding factor stops being price and becomes whether your process is your advantage.
- Both routes six figures
- Process specificity decides
- Phase over 12 to 18 months
Adding 10 staff
On a licence at S$120 a seat that is S$14,400 more a year, every year. On a build it is S$0.
- Licence: +S$14,400 a year
- Build: +S$0
- Compounds over five years
Opening a second location
Licences multiply by seats again. A build extends at the cost of the work, not the headcount.
- Licence scales with people
- Build scales with scope
- Second site often needs little new code
The 5-year totals side by side
20 seats: roughly S$144,000 licence-only against S$25,000 to S$60,000 built, before implementation on the licence side.
- Licence S$144,000 over 5 years
- Build S$25,000 to S$60,000
- Plus S$20,000 to S$50,000 implementation on licence
What we would still recommend buying
Accounting. Xero and its peers are cheap, well maintained and statutory-current. We integrate rather than rebuild.
- Keep your accounting system
- Integrate, do not replace
- Book of record stays put
Hosting either way
S$50 to S$300 a month at cost. Not a differentiator, but it should be billed to your account rather than marked up.
- S$600 to S$3,600 a year
- At cost, your account
- No reseller margin
Grant impact on the comparison
EDG at up to 50% of qualifying costs changes the build side materially. It does not apply to packaged licences.
- Up to 50% of qualifying cost
- Reimbursement basis
- Custom builds may qualify
- Confirm with Enterprise Singapore
The number nobody quotes
Your own team's time: 8 to 15 hours per module either way. Include it or the comparison is not honest.
- 8 to 15 hours per module
- Applies to both routes
- Usually your best people
What changes the answer fastest
Headcount growth and how non-standard your process is. Everything else is second order.
- Growth rate first
- Process specificity second
- Everything else is noise
Inventory Software: More Questions We Are Asked
The second tier of questions, usually asked once the first conversation has gone well.
Do we have to replace everything at once
No, and you should not. One module, adopted, beats four half-built. Everything else keeps running.
- One workflow first
- Existing tools stay
- Integrate rather than replace
What if we outgrow it
A build extends at the cost of the work. That is the argument for owning the code rather than renting seats.
- Extended, not replaced
- Your priority order
- No tier upgrade pricing
How do you handle our data
It stays in a database you own, in a region you choose, exportable in full at any time.
- Your database, your region
- Full export on demand
- Access documented and auditable
What if the project stalls
Fixed scope, fixed quote and weekly working builds mean a stall is visible in week three, not month six.
- Weekly working build
- Visible early
- Fixed scope baseline
Can our own developer take it over
Yes. Standard stack, documented handover, and the repository is yours.
- Standard technologies
- Handover documentation
- Repository ownership
What ongoing cost should we budget
Hosting at cost plus optional care quoted by scale. No per-seat component at all.
- Hosting S$600 to S$3,600 a year
- Care optional
- No per-seat fee
How do you price changes after go-live
Openly, against the written scope baseline, with approval before anything is built.
- Priced before built
- Baseline retained
- Written approval
What happens if we stop working with you
You keep the code, the data and the hosting accounts. That is the point of ownership.
- Code and data yours
- Hosting on your accounts
- Another developer can continue
Do you work with our existing accountant
Yes, and we usually ask to. They know where the numbers have to land.
- Accountant involved early
- Statutory treatment confirmed
- Reports built to their format
How do we measure whether it worked
Against the hours you measured before we started. That is why we measure them in week one.
- Baseline measured first
- Same measure after
- Module two argued from it
Inventory Software by Industry in Singapore
Twelve sectors we have built for, and what the system has to get right in each. The modules are the same; the vocabulary and the failure modes are not.
Construction and contracting
BOQ-driven quoting, progress claims with retention, subcontractor certification and site capture. Retention at 5% on a S$1.2m contract is S$60,000 held, half typically released at completion.
- 5% retention on S$1.2m = S$60,000
- Claims roll forward from last certified
- Back-charges netted before payment
- Site capture on a tablet
Dental and medical clinics
Appointments, practitioner rosters, procedure libraries and recall cycles, with patient data handled carefully and kept out of anything it need not touch.
- Chair utilisation visible daily
- Recalls generated, not remembered
- Procedure pricing consistent
- PDPA obligations respected
Interior design and renovation
Quote by scope or by room, cost against budget per project, and a long supplier tail with lead times that drive the site programme.
- Design fee separated from build
- Supplier lead time against programme
- Client sign-off per stage
- Variations priced before work
Trading and distribution
Multi-location stock, tiered customer pricing and purchasing across currencies with landed cost including freight and duty.
- Landed cost, not supplier price
- Price tiers applied automatically
- Transfers between locations recorded
- Backorders visible to sales
F&B and catering
Recipe costing, event orders, delivery scheduling and counter sales, with ingredient batches tracked to expiry.
- Food cost per dish from purchases
- Events separated from counter sales
- Batch tracked to expiry
- Wastage attributed per outlet
Aesthetics, spa and wellness
Prepaid packages drawn down accurately, memberships renewed before lapse, and therapist commission computed from the same sale record.
- Packages drawn down correctly
- Cross-outlet redemption
- Commission from the sale record
- Membership renewal surfaced early
Insurance agencies
Client books, policy renewals, commission reconciliation against insurer statements and advisory records retained for compliance.
- Renewals surfaced weeks ahead
- Commission reconciled to statements
- Advisory records retrievable
- Client book by adviser
Specialty retail
POS tied to the same stock and customer records, with loyalty attached to the customer rather than the receipt.
- Stock truth across outlets
- Loyalty on the customer
- Outlet comparison on one screen
- Variants as real SKUs
Corporate gifting and fulfilment
Stock reserved against confirmed orders, customisation status per line, and supplier lead times against promised delivery dates.
- Reserved on confirmation
- Customisation status per line
- Lead time against promise date
- Sample stock separate
Professional and consulting services
Rate cards by role, time recorded against engagements, and billing that follows delivery rather than memory.
- Rates by role and seniority
- Time against engagement
- Billing follows delivery
- Utilisation visible
Logistics and 3PL
Job scheduling, proof of delivery capture, and billing that reflects what was actually moved.
- POD captured at the door
- Billing from actual movements
- Driver schedule against capacity
- Exceptions surfaced same day
Education and enrichment
Enrolment, class scheduling, attendance and fee collection cycles that repeat every term.
- Enrolment to invoice in one flow
- Attendance recorded, not reconstructed
- Term billing automated
- Capacity per class visible
Inventory Software: Benchmarks Worth Measuring
Illustrative Singapore benchmarks to measure yourself against before and after. Substitute your own figures throughout.
Quote turnaround
Manual assembly commonly takes 30 to 60 minutes per quote. A configured quote is 5 to 10 minutes.
- 30 to 60 minutes manual
- 5 to 10 minutes configured
- 40 quotes a month = 30 hours saved
Invoice handling
Manual invoice handling runs about 2 minutes each. At 300 a month that is 10 hours, or roughly S$4,800 a year.
- 2 minutes per invoice
- 300 a month = 10 hours
- About S$4,800 a year
Payroll cycle
2 to 3 days a month for 30 staff is common, roughly 20 hours or S$7,200 a year at a loaded S$30 an hour.
- 20 hours a month
- 240 hours a year
- About S$7,200
Stock accuracy
Annual-count businesses commonly sit at 85% to 92%. Cycle counting with disciplined receiving reaches 98% or better.
- 85% to 92% typical annually
- 98%+ achievable
- Within one quarter
Stock shrinkage
A 2% variance on S$400,000 of stock is S$8,000 a year written off with no explanation attached.
- 2% on S$400,000 = S$8,000
- Discovered 12 months late
- No trail to investigate
Warehouse picking
Poor slotting adds roughly 30 seconds per pick. At 500 lines a day that is 4 hours daily, or about S$18,000 a year.
- 30 seconds per pick
- 500 lines = 4.2 hours a day
- About S$18,000 a year
Mispick rate
1% on 500 lines a day is 5 errors daily, each carrying redelivery and admin cost plus the customer trust cost.
- 1% = 5 errors a day
- Redelivery plus admin
- Trust cost on top
Implementation time
A focused first module is 4 to 8 weeks. A departmental rollout is 3 to 6 months, phased.
- 4 to 8 weeks first module
- 3 to 6 months departmental
- 12 to 18 months full programme
Adoption
Systems used daily within two weeks of training tend to stick. Beyond a month, adoption rarely recovers without intervention.
- Daily use within 2 weeks
- Beyond a month is a warning
- Measured, not assumed
Training load
2 to 5 days total, delivered as 30 to 60 minute sessions per role rather than one long workshop.
- 2 to 5 days total
- 30 to 60 minutes per role
- Follow-up after week one
Support response
4 business hours is a reasonable commitment for a non-critical issue; 1 hour for anything blocking trading.
- 4 hours non-critical
- 1 hour if trading is blocked
- Escalation path named
Five-year cost, 20 seats
Licence at S$120 a seat is S$144,000 over five years. A departmental build is S$25,000 to S$60,000 once.
- S$144,000 licence over 5 years
- S$25,000 to S$60,000 built
- Before implementation on licence
Project Risks and How They Are Managed
The twelve ways these projects go wrong, and the guard against each.
Scope creep
The most common failure. Guarded by a written baseline and change requests priced before they are built.
- Written scope baseline
- Changes priced before built
- Approval in writing
- Baseline retained for comparison
No internal owner
Projects stall when nobody can decide. One person with authority beats a committee of six.
- One named decision maker
- Authority to say yes
- Available weekly
- Escalation path if absent
Data worse than expected
Historical data is always messier than remembered. Discovered in week two, not week eight.
- Sample the data in week one
- Agree what is archived
- Cleaning effort quoted separately
- Cutoff date agreed
Key person unavailable
The person who knows the process goes on leave mid-project. Mitigated by recording the workflow review.
- Workflow review documented
- Second person briefed
- Sessions recorded
- No single point of knowledge
Adoption resistance
People keep the old spreadsheet. Mitigated by interviewing them first and making the system faster than what they do now.
- Interview the sceptic first
- Faster than the current method
- Their edge case supported
- Spreadsheet retirement tracked
Integration surprises
A third-party system has no API or a poor one. Checked in week one rather than discovered in week six.
- API confirmed before scoping
- Rate limits checked
- Fallback agreed
- Manual path if needed
Statutory change mid-project
GST or CPF rules move. Handled by isolating statutory logic so it can be updated independently.
- Statutory logic isolated
- Update path defined
- Owner named
- Confirmed with the authority
Go-live at the wrong time
Switching during a peak period compounds every problem. Timing is a decision, not a default.
- Avoid peak trading
- Never on a Friday
- Support present week one
- Rollback available
Testing done by the wrong people
Testing by managers rather than users finds the wrong problems. Users test their own real cases.
- Users test, not managers
- Real cases, not scripts
- Sign-off before go-live
- Issues logged, not verbal
Budget approved without the internal time
The 8 to 15 hours per module of your own team's time is real and rarely budgeted.
- 8 to 15 hours per module
- Named people, booked time
- Across 6 to 8 weeks
- Counted in the business case
Reporting expectations unstated
Management assumes a report exists. Agreeing the five numbers up front avoids a late scramble.
- Five numbers agreed early
- Format confirmed
- Frequency stated
- Owner of each named
Hosting and access left to the end
Accounts, domains and access are boring and block go-live. Sorted in week two.
- Accounts in your name
- Access documented
- Domain and DNS confirmed
- Billing to you at cost
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