The verdict in three sentences
With 50,000 EUR of founder loans, such as a French BPI honor loan, two founders cannot spend it all on development: they need money to sell and survive 9 to 12 months. A B2B SaaS MVP limited to one core feature, with authentication and Stripe billing, costs 25,000 to 60,000 EUR before tax and ships in 12 weeks. The sensible target is an MVP around 30,000 EUR, with one clear goal: 10 paying customers before V2.
Splitting 50,000 EUR without endangering the company
Honor loans are personal, interest-free, and often used as leverage for an additional bank loan. Spending it all on code leaves the founders without a sales budget just when the product arrives. Here is a cautious split over 12 months.
| Item | 2026 estimate | Share of budget |
|---|---|---|
| MVP development (agency) | 30,000 EUR | 60% |
| Hosting, tools, Stripe over 12 months | 2,400 EUR | 5% |
| Product design and mockups | included or 3,000 EUR | 6% |
| Acquisition (trade shows, LinkedIn, outreach) | 7,000 EUR | 14% |
| Legal (terms, GDPR, bylaws) | 2,500 EUR | 5% |
| Reserve for post-feedback iterations | 5,100 EUR | 10% |
| Total | 50,000 EUR | 100% |
If the quote exceeds 40,000 EUR, the scope is too wide. Cutting features is better than draining the reserve.
What a B2B MVP includes at 25,000, 40,000 or 60,000 EUR
At the 550 to 700 EUR day rate charged by agencies and nearshore teams in 2026, 25,000 EUR is roughly 40 days of work and 60,000 EUR roughly 90 days.
| Item | 25,000 EUR MVP | 40,000 EUR MVP | 60,000 EUR MVP |
|---|---|---|---|
| Core feature | 1, main flow | 1, with edge cases | 1 + secondary module |
| Authentication | Email + password | + Google, team invites | + SAML SSO |
| Stripe billing | 1 monthly plan | 3 plans, free trial | + usage-based billing |
| Admin area | Minimal | Customer and plan management | + usage analytics |
| Integrations | None | 1 (CRM or accounting export) | 2 to 3 |
| Development days | About 40 | About 60 | About 90 |
| Lead time | 8 to 10 weeks | 12 weeks | 14 to 16 weeks |
MVP hosting costs 80 to 200 EUR before tax per month (server or managed platform, database, transactional email, monitoring). Stripe charges about 1.5% + 0.25 EUR per standard European card payment, plus 0.7% for Stripe Billing.
The classic trap: building V2 before reaching 10 customers
The first MVP exists to prove that a business will pay to solve one specific problem. Advanced dashboards, a mobile app or an integrations marketplace wait for the first 10 paying customers. That threshold also gives strong arguments for a bank loan, a regional grant or a pre-seed round, whether you are in Lyon or Berlin.
Mini case study
Léa and Thomas, co-founders in Lyon of a scheduling SaaS for cleaning companies, secure 50,000 EUR of honor loans. They pick an MVP at 32,000 EUR before tax: team scheduling, a mobile web app for staff, Stripe billing on 2 plans at 149 and 299 EUR per month.
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With 10 customers on an average plan of 200 EUR, recurring revenue reaches 2,000 EUR per month, or 24,000 EUR a year. Fixed technical costs (150 EUR hosting and 250 EUR maintenance) total 400 EUR per month. The MVP is repaid in about 20 months of margin from those 10 customers, but above all, this proven recurring revenue unlocks a 100,000 EUR bank loan for V2.
FAQ
What budget should I plan for a B2B SaaS MVP in 2026?
Between 25,000 and 60,000 EUR before tax depending on scope, at an agency day rate of 550 to 700 EUR. With 50,000 EUR of funding, aim for 30,000 to 35,000 EUR of development.
Can an honor loan fund the entire build?
Legally yes, since the loan goes to the founder, who injects it into the company. But spending 100% on code leaves 0 EUR to sell; keep at least 30% for acquisition and reserve.
Should Stripe be in the MVP?
Yes, a paying customer is the only reliable validation. Integrating Stripe Billing with 1 to 3 plans takes 4 to 6 development days.
How much does hosting cost after launch?
From 80 to 200 EUR per month for the first 100 users, European hosting included. Corrective maintenance and updates add 200 to 400 EUR per month.
Is a 12-week timeline realistic?
Yes for a single-core-feature MVP, with a demo every two weeks. Each feature added mid-project costs one to two weeks on average.
Let's scope your project. Send us your core feature, your target customer and your funding envelope, and we will price an MVP deliverable in 12 weeks with Stripe and authentication. 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.
