The verdict in three sentences
A custom management platform for a London private clinic costs between 60,000 and 150,000 EUR in 2026, including certified health-data hosting. The real gain is not cosmetic: -30% no-shows and an optimised practitioner schedule free up billable slots every week. Below this budget you buy standard SaaS; above it, you fund a business asset you own and that connects to your existing systems.
Custom vs off-the-shelf: the real trade-off
Booking tools and vertical SaaS cover 70% of needs but leave out multi-practitioner billing, financial steering and interoperability with your accounting. Custom takes over when that remaining 30% carries real weight.
| Option | Year-1 cost | Customisation | Data ownership |
|---|---|---|---|
| Booking tool (appointments only) | 1,500-4,000 EUR/yr | Low | No |
| Vertical SaaS | 6,000-18,000 EUR/yr | Medium | No |
| Custom platform Starter | 60,000-85,000 EUR | High | Yes |
| Custom platform Premium | 110,000-150,000 EUR | Full | Yes |
Compliant health-data hosting (certified provider) is non-negotiable for any patient data: budget an extra 400 to 1,200 EUR/month depending on volume and redundancy.
Modules, cost and scheduling gain
A clinic scope is built brick by brick. Here are the 2026 orders of magnitude and operational impact.
| Module | Cost | Hosting add-on/mo | Operational gain |
|---|---|---|---|
| Booking + SMS reminders | 12,000-20,000 EUR | included | -30% no-shows |
| Electronic patient record | 18,000-30,000 EUR | +300 EUR | No re-keying |
| Billing + insurance claims | 12,000-22,000 EUR | +200 EUR | -6 days to collect |
| Multi-room scheduling | 10,000-18,000 EUR | +150 EUR | +12% occupancy |
| Patient portal (docs, results) | 8,000-16,000 EUR | +200 EUR | -40% front-desk calls |
| GDPR + access traceability | 6,000-12,000 EUR | +150 EUR | Audit-ready |
Realistic end-to-end timeline: 6 to 10 months, from scoping to production, including testing and data migration.
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Mini case study
Dr Reynolds runs a 9-practitioner private clinic in London. No-show rate is 14% across 320 appointments/week, roughly 45 lost slots. At an average slot value of 55 EUR, weekly loss reaches 2,475 EUR, or ~120,000 EUR/year.
By adding SMS reminders and automatic rebooking, no-shows drop to 9.8% (-30%). Recovery: ~36,000 EUR/year. Add +12% schedule occupancy (~48,000 EUR/year of freed slots). For a platform at 95,000 EUR plus 9,600 EUR/year of hosting, payback lands between 14 and 16 months.
FAQ
What is the minimum budget to start? A credible booking + record + billing core starts around 60,000 EUR. Below that, standard SaaS may well be the right call.
Is compliant health-data hosting really mandatory? Yes, as soon as personal health data is stored. Budget 400 to 1,200 EUR/month; it is a regulatory obligation, not an option.
How long to go live? Between 6 and 10 months depending on the number of modules and migration complexity.
Can we keep an external booking tool? Yes, via API: sync slots and keep custom for records, billing and steering. This cuts the initial budget by 10,000 to 20,000 EUR.
Who owns the code? You do. Unlike SaaS, custom hands you the source code and data, with no editor lock-in.
Let's scope your project. Share your number of practitioners, priority modules (booking, records, billing) and indicative budget: we will price the right compliant-hosting scope. 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.