The verdict in three sentences
A custom member portal for a health insurer in Amsterdam costs 58,000 to 110,000 EUR in 2026, delivered in 14 to 18 weeks. Integration with the national claim-transmission flow adds 15,000 to 28,000 EUR, and health-data-compliant hosting is mandatory. Against a packaged insurance suite at 30-60 EUR per member per year, the math depends heavily on member count: beyond ~15,000 members, custom becomes very competitive over 5 years.
What development costs
A health-insurer portal is heavier than a simple client space: claim transmission, third-party payment and data compliance weigh on the budget. 2026 ranges.
| Module | Function | 2026 cost (EUR) |
|---|---|---|
| Discovery + UX/UI | Member journey, mockups | 8,000 - 14,000 |
| Reimbursements | Tracking, statements, history | 12,000 - 22,000 |
| Third-party-payment card | Generation, wallet, updates | 8,000 - 15,000 |
| Claim transmission | National claim-flow integration | 15,000 - 28,000 |
| Secure messaging | Member/manager exchanges | 7,000 - 13,000 |
| Back + auth + hosting | Secure API, health-data hosting | 12,000 - 22,000 |
| QA + security | Testing, audit, go-live | 6,000 - 11,000 |
Indicative total: 58,000 to 110,000 EUR. Maintenance runs 14 to 18 % of the build per year, i.e. 8,000 to 20,000 EUR/year.
Build vs Buy over 5 years
An insurance suite bills per member; custom is a fixed cost. Comparison over 5 years by insurer size.
| Scenario | Entry cost | Cost/year | 5-year total |
|---|---|---|---|
| Custom (build 85,000 + maint. 14,000/yr) | 85,000 | 14,000 | 155,000 |
| Suite 8,000 members at 45 EUR/yr | 0 | 360,000 | 1,800,000 |
| Suite 8,000 members at 30 EUR/yr | 0 | 240,000 | 1,200,000 |
| Suite 20,000 members at 30 EUR/yr | 0 | 600,000 | 3,000,000 |
Reading: note a packaged insurance suite covers far more than a portal (full contract management). But if you only need the online member space, custom at 155,000 EUR over 5 years is radically cheaper than 30-60 EUR/member/year across thousands of members.
Mini case study
Helene, director of a regional health insurer in Amsterdam (18,000 members, 26 case managers), handled ~62 % of requests by phone/mail (statements, cards, certificates). With a custom portal at 92,000 EUR (claim-flow integration, health-data hosting, maintenance 15,000 EUR/year), 55 % of requests became self-service within 8 months. Gain: workload cut equivalent to ~4 case-manager roles over a year, i.e. over 130,000 EUR/year of freed capacity, plus higher member satisfaction. Build payback in under a year on productivity gains alone.
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FAQ
How long for a member portal in Amsterdam?
Expect 14 to 18 weeks, as claim transmission and data compliance extend the project. A release 1 (reimbursements + messaging) ships in 8 to 10 weeks for 30,000-45,000 EUR.
Is health-data hosting mandatory?
Yes for hosting health data. It adds a recurring operating cost to budget from discovery, plus a compliance lead time.
How much does claim-flow integration cost?
Between 15,000 and 28,000 EUR, depending on flow complexity and number of schemes. It's the most sensitive technical module of the project.
Does custom replace my insurance suite?
No: a suite manages all contracts/benefits. The custom portal is the online member space, which can connect to it or run alongside it.
What maintenance budget?
Maintenance runs 14 to 18 % of the build per year, i.e. 8,000 to 20,000 EUR, for security, regulatory changes and claim-flow updates.
Let's scope your project. Tell us your member count, your flows (claim transmission, third-party payment) and your budget: we scope a fast release 1 then full claim transmission, health-data hosting included. 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.

