How Much Does It Cost to Build a SaaS MVP in 2026?

1. Fixed-price ranges in 2026

From a senior freelance developer based in Western Europe in 2026:

• €4,000 – €6,000 — focused MVP. Auth, one core entity, Stripe one-plan subscription, basic admin. 4–6 weeks. For solo founders who want to validate one specific hypothesis fast.
• €6,000 – €10,000 — standard SaaS MVP. Auth + teams + roles, two or three core entities, admin panel with impersonation, Stripe Billing with multiple plans, transactional email, basic analytics. 6–8 weeks. The most common shape — sweet spot for paying-customer launch.
• €10,000 – €18,000 — full multi-tenant SaaS. Multi-tenant data model, custom integrations (Slack, Telegram, ERP), metered billing or usage tiers, custom admin workflows, design system applied throughout. 8–12 weeks. A real product that launches with paying users on day one.
• €18,000 – €35,000 — agency territory. Multi-developer teams, complex compliance (SOC 2, HIPAA), B2B with SSO, audit trails, multi-region. At this point a small consultancy or freelancer with sub-contractor.

2. What is included at each tier

In the €6k–€10k range (the most common one), every MVP I ship includes the boring 70% done right:

• Auth, roles, teams. Email + OAuth login, role-based access, multi-user teams with invitations.
• Stripe subscriptions. Plans, trials, taxes via Stripe Tax, webhook reconciliation. Failed payment dunning works on day one.
• Multi-tenant data model. Postgres schema designed for tenant isolation. Indexes that match real query patterns.
• Admin panel. You can find and edit any record without opening a Rails console. Impersonate users to debug support tickets.
• Background jobs and emails. Sidekiq for async work. Transactional email via Postmark.
• Production deploy. Heroku, Render or your own AWS/GCP. CI on GitHub Actions. Monitoring with Sentry. Daily backups.

3. What pushes the price up

Above the standard ranges, four cost drivers consistently appear:

• Custom design. If you skip TailwindUI / TailwindCSS components and want pixel-perfect from a Figma file, add €2,000–€6,000 for a designer to pair with.
• Mobile app on top of the web. That is a separate project, not an add-on. React Native or Flutter from €8,000.
• Non-standard integrations. ERP without an SDK, partner APIs with bad docs, hardware control. Surprise time multiplier — adds 20–40% on top.
• Compliance work. SOC 2, HIPAA, ISO27001 add legal review, audit trails, encryption at rest with KMS, separate environments. Adds 25–40% to the budget.

4. Hidden costs after launch

The headline price is rarely the total. Four costs sneak up:

• Infrastructure. Heroku Standard dynos $25–$50, Postgres $50–$200, Redis $15–$60. Render is similar. Budget €30–€200/month.
• Third-party services. Stripe fees 1.5%–2.9%, Sentry €26+/month, Postmark $15+/month. Total: €50–€300/month before you have a single user.
• Scope creep during the build. Every MVP I have quoted has had €1,500–€2,500 of "while you are in there" requests during the build. Budget 10–25% on top of the contract.
• Post-launch maintenance. Plan for 5–15% of the build cost as annual maintenance, either via retainer or in-house.

5. Freelancer vs agency vs no-code

Three options, three different reasons to pick each:

Senior freelance developer (€6k–€18k MVPs)

Best for projects under €25k total budget. One person owns the build, you talk to whoever writes the code, no account managers. Speed matters more than capacity. This is what I do.

Agency (€25k+)

Makes sense above €40,000 total budget when you need parallel workstreams (3+ devs, designer, PM) compressed into a tight timeline, or someone to absorb risk through bigger contracts and replacement guarantees.

No-code (Bubble, Webflow, Bravo)

Cheap to start (€2k–€4k of build time), fast first version. Walls hit fast: limited multi-tenant control, slow performance past 1,000 users, vendor lock-in. Use no-code only for landing pages and validation prototypes that you do not plan to scale. Real SaaS at €6k+ scales without rewrites.

6. What stack to pick

Pick boring infrastructure that scales:

• Ruby on Rails 7 + Hotwire + PostgreSQL + Stripe + Sidekiq. What I use by default. Mature, fast to ship, scales to thousands of users without rewrites, easy to hand off to in-house teams.
• Next.js + Postgres + Stripe + Vercel. Equivalent ecosystem in TypeScript. Pick this if your team knows JS deeply.
• Avoid for MVPs: microservices, GraphQL, Kubernetes, Hasura, Supabase Edge Functions everywhere. They multiply cost without adding user value at small scale.

7. How to budget realistically

A working framework:

1. Decide if it is an MVP or a v1. An MVP validates one hypothesis. A v1 is a real product with paying users from day one. Budget differently.
2. Pick your developer shape. Solo senior freelancer for under €25k. Senior + designer for €25k–€40k. Small agency above €40k.
3. Add 20% to the build budget for scope adjustments. Not "if" — "when".
4. Add €2,400–€10,800/year for post-launch. Hosting + services + retainer.
5. Do not spend more than 60% of your runway on the build. The remaining 40% is for marketing, customer acquisition and learning.

If you want a real written quote based on your actual scope, I do free 30-minute scoping calls and turn around fixed-price quotes within 24 hours. More about my SaaS MVP service.

8. Frequently asked questions