The verdict in three sentences
The cost of a multi-tenant SaaS platform reads by day rate and line item, not as an opaque lump sum. In 2026, a full platform costs EUR 120,000-300,000 over 6-9 months, with a senior dev at EUR 550-750/day and maintenance at 8-15% of build per year. Nearshore can cut day rates by 30-45%, at the cost of tighter governance.
Day-rate grid by profile (2026)
The day rate is the crux. A platform mobilizes 4-5 profiles whose mix drives the budget. 2026 order of magnitude for mid-to-senior profiles in a Western agency.
| Profile | Local day rate (EUR) | Nearshore day rate (EUR) |
|---|---|---|
| Product Owner | 500-700 | 350-480 |
| Senior developer | 550-750 | 320-450 |
| Mid-level developer | 400-550 | 250-350 |
| UX/UI designer | 450-650 | 300-420 |
| DevOps / SRE | 600-800 | 380-520 |
| Tech lead / architect | 700-900 | 450-600 |
Nearshore (Eastern Europe, North Africa) cuts the bill by 30-45%, but requires a local PO and strict governance to avoid technical debt and spec misunderstandings.
Breakdown by line item and month
On a 7-month build for a mid-sized multi-tenant platform, here is a typical split. Amounts exclude the 20% VAT that applies in the EU (figures ex-VAT).
| Line item | Share of budget | Amount (on EUR 200,000) |
|---|---|---|
| Scoping + architecture | 8-12% | EUR 16,000-24,000 |
| UX/UI design | 10-14% | EUR 20,000-28,000 |
| Backend development | 28-34% | EUR 56,000-68,000 |
| Frontend development | 20-26% | EUR 40,000-52,000 |
| Multi-tenant + security | 8-12% | EUR 16,000-24,000 |
| DevOps + CI/CD | 6-10% | EUR 12,000-20,000 |
| Testing + QA | 8-12% | EUR 16,000-24,000 |
After delivery, scalable hosting (database, storage, CDN, monitoring) costs EUR 300-1,500/month depending on load, and maintenance 8-15% of build per year, i.e. EUR 16,000-30,000/year on a EUR 200,000 platform.
What swings the budget by a factor of two
| Factor | Budget impact |
|---|---|
| Number of roles/permissions | + 10-25% |
| Third-party integrations (ERP, CRM) | + EUR 15,000-40,000 each |
| Compliance requirements (GDPR+, ISO) | + 10-20% |
| High SLA (99.9%, on-call) | + 20-40% maintenance |
| Multi-language / multi-currency | + 8-15% |
Mini case study
Need a professional website?
Kolonell builds websites that attract clients, optimized for the Sénégalese market. Free quote in 2 minutes.
Sarah, CFO of a services SME in Toronto, budgets a SaaS platform to manage multi-client engagements. She hesitates between all-local (average day rate EUR 600) and a local + nearshore mix. All-local, the build is quoted EUR 210,000 over 8 months. In the mix (PO + tech lead local, developers nearshore), the same scope drops to EUR 148,000, a EUR 62,000 saving (-30%). She keeps a senior local PO at EUR 640/day to secure the specs. Over 3 years, with maintenance at 12% (EUR 17,800/year), the mix TCO comes out at ~EUR 201,000 versus ~EUR 285,000 all-local: the gap funds her first year of sales acquisition.
FAQ
Why reason in day rates rather than a fixed price?
Day rates make the quote legible: you see the profile mix and can trade off (more senior, less junior, or nearshore). An opaque lump sum hides these levers and makes negotiation blind.
Does nearshore really save money?
Yes, 30-45% on day rates, but net savings depend on governance. Without a strong local PO, technical debt and spec round-trips can absorb part of the gain.
How is maintenance calculated?
Usually 8-15% of build cost per year, i.e. EUR 16,000-30,000/year for a EUR 200,000 platform. It covers fixes, security updates, small evolutions and monitoring.
Can hosting explode with growth?
It scales with usage: EUR 300-1,500/month in most cases, more under heavy volume or strict SLA. A well-designed architecture smooths these costs rather than spiking them.
Should I include VAT in my budget?
The figures quoted are ex-VAT. In the EU, add 20% VAT (recoverable if VAT-registered). Always compare quotes ex-VAT, then budget cash flow inclusive of tax.
Let's scope your project. Tell us the target multi-tenant scope, your integrations and your budget (EUR 120,000-300,000): we build a transparent day-rate grid line by line. 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.
