How much building a SaaS platform costs in 2026
Updated September 1, 2026
A SaaS is not a project: it is a product, and products are never "finished" — they are grown. The right question is not "what does a SaaS cost" but "what does each phase cost": validating the idea, landing the first paying customers, sustaining growth. Confusing the phases is the fastest way to spend €100,000 on an idea that deserved €15,000 of verification.
Phases and costs
MVP — validate the idea
€10,000 – €30,000
The core that solves ONE problem for a narrow user group: login, the central feature, payments. Ugly where it can be, solid where it must be.
Product — first paying customers
€30,000 – €80,000
Everything the MVP postponed: teams and roles, recurring billing, onboarding, serious security, support. The phase that turns a prototype into a company.
Growth — sustaining scale
from €80,000/year
Not a project but a rhythm: continuous development, scaling infrastructure, customer-driven integrations. This is where you move from freelancer to team.
Recurring costs from day one: infrastructure (€50–500/month at the start), services (email, payments, monitoring) and above all maintenance. A technically frozen SaaS is a commercially dying one.
Classic first-SaaS mistakes
- Building twelve features before the first customer: the MVP exists to discover what is NOT needed.
- Underestimating billing and VAT: subscriptions, upgrades, credit notes, EU VAT — a project within the project; plan it.
- No contract on the code: the SaaS IS the code. Ownership, repository and documentation agreed from day one.
- Exotic technology choices: a SaaS lives ten years — mainstream technologies mean developers you can still find in 2036.
Freelancer or team?
For the MVP and first version, one senior developer (or a pair) is almost always the most efficient choice: fast decisions, controlled costs, no structure to pay for. A structured team becomes necessary when paying customers demand continuity — a luxury you earn, not one you start with.
Frequently asked questions
Can I start with no-code?
To validate demand, yes: a no-code prototype costs €2–5,000 and answers "does anyone want this?". Once paying customers arrive, the limits (performance, integrations, per-user costs) bite quickly: budget the rewrite as a choice, not a surprise.
How long does an MVP take?
2–4 months with a good developer and a disciplined scope. If the estimate exceeds 6 months, it is not an MVP: it is a product in disguise, and it needs cutting.
How do I protect the idea while looking for a developer?
Ideas are worth less than execution, but a serious NDA costs nothing and is accepted practice. On Araknet you can describe the project anonymously and go into detail only with those who sent a concrete offer.
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