The verdict in three sentences
For a company with 350 field employees, an expense SaaS at EUR 11 per user per month costs EUR 46,200 per year, and it still does not handle your in-house allowance rules. A custom expense app costs EUR 50,000 to 85,000 and reaches break-even around 24 months, maintenance included. The choice makes sense when your rates, approval flows and accounting export currently force manual rework every month.
Why standard SaaS falls short for companies with field staff
The CFO of an Amsterdam technical services company describes a typical problem: technicians work from Rotterdam to Utrecht with travel allowances, per diem rules that differ by collective agreement and cash advances. The SaaS handles receipt photos well, but not those rules. As a result, accounting corrects 15 to 20% of claims by hand and reworks the export before loading it into Exact or AFAS.
| Item (350 users, 2026 estimate) | Standard SaaS | Custom |
|---|---|---|
| Annual licence or maintenance | EUR 46,200 | EUR 10,000 to 14,000 |
| Initial investment | EUR 0 to 4,000 (setup) | EUR 50,000 to 85,000 |
| Claims corrected by hand | 15 to 20% | under 3% |
| Accounting rework time | 25 h per month | 4 h per month |
| Company-specific allowance rules | no or paid add-on | native |
| Accounting export without rework | partial | complete (journal, cost centres) |
| 3-year cumulative cost | EUR 138,600 | EUR 80,000 to 127,000 |
Break-even sits around 24 months for a EUR 65,000 project with EUR 12,000 of annual maintenance, before counting recovered accounting hours.
Features and budget by work package
The project is split into deliverable packages, so mobile capture can go live before the analytics module.
| Package | Scope | Budget (excl. VAT) | Timeline |
|---|---|---|---|
| Mobile capture and OCR | Receipt photo, amount, VAT, date, merchant | EUR 15,000 to 22,000 | 4 weeks |
| Allowance rules | Tax-free travel allowance, per diems, category caps | EUR 10,000 to 17,000 | 3 weeks |
| Approval workflow | Manager, controlling, CFO, delegations | EUR 8,000 to 12,000 | 2 weeks |
| Accounting export | Journal entries, cost centres, reclaimable VAT | EUR 8,000 to 15,000 | 2 weeks |
| Dashboards | Spend by project, by team, overspend alerts | EUR 6,000 to 12,000 | 2 weeks |
| Security and GDPR | SSO, audit trail, compliant archiving | EUR 3,000 to 7,000 | 1 week |
The total ranges from EUR 50,000 to 85,000 over 12 to 14 weeks, user testing included.
What OCR changes for reclaimable VAT
A badly captured claim often loses deductible VAT: receipt without the rate, missing net amount, business meal miscategorised. With 350 field staff spending EUR 450 per month on average, annual volume reaches EUR 1,890,000 gross. If 8% of reclaimable VAT is lost for lack of a compliant receipt, the loss exceeds EUR 25,000 per year. OCR combined with automatic checks sharply reduces that rate.
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Sanne, CFO of an Amsterdam company with 350 field technicians, pays EUR 46,200 per year for her current SaaS. She commissions a custom app at EUR 65,000 with EUR 12,000 of annual maintenance. Over 3 years she spends EUR 101,000 versus EUR 138,600, a EUR 37,600 saving. She also recovers 21 accounting hours per month, 252 hours a year valued at EUR 55 loaded: EUR 13,860 per year on top. Including recovered hours, break-even arrives around month 16.
FAQ
How much does a custom expense management app cost in Amsterdam?
Budget EUR 50,000 to 85,000 as a 2026 estimate, depending on the number of allowance rules and integrations. A standard scope with OCR and accounting export sits around EUR 65,000.
From how many users does custom become profitable?
Above 200 to 250 users at EUR 11 per month, over EUR 26,000 per year in licences, custom pays back within 2 to 3 years. Below that, a well-configured SaaS is often cheaper.
Is OCR reliable on till receipts?
Current engines read amount and date correctly on more than 95% of legible receipts. Ambiguous cases are flagged automatically for human review.
Is the accounting export compatible with our cost centre structure?
Yes, the export is built from your chart of accounts and cost dimensions, project or cost centre. It removes about 20 hours of rework per month on average.
How long until go-live?
Plan 12 to 14 weeks for the full scope. Mobile capture with OCR can be live from week five.
Let's scope your project. Tell us your field headcount, allowance rules and accounting software and we will price an app between EUR 50,000 and 85,000, delivered in 12 to 14 weeks. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
