CUSTOM MVP from 0 € first version in production
A tight scope, real code: enough to validate your market with a product that holds.
0 € → 100k+FULL SAAS
Depending on scope, integrations and level of polish. A complete product, ready to hold the load.
Quote within 24h free
A brief, an honest read, a ballpark and the first risks. Capped, no commitment.
// SaaS development

How much does a custom SaaS cost?

An MVP starts at €12,000. A full production product runs €25,000 to €100,000 and up. Price comes down to three things — here's the full breakdown, real numbers.

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// What it is

Software that fits
your business, not the reverse.

A custom SaaS is software you reach from a browser, hosted for you, built around your statuses, your rules, your screens. You don't pay for dozens of features you'll never touch, and you're not stuck the day your need falls outside what a vendor planned for. A real product, in real code, ready for production — not a no-code stack that breaks on the first edge case. And the code is yours.

Custom vs off-the-shelf SaaS

An off-the-shelf tool is fine as long as your need fits the box. The moment your processes are your value, custom takes over.

Off-the-shelf SaaS
You adapt to the tool
  • ✕ Low upfront cost, but it climbs per user / per month
  • ✕ Your processes bend to the software
  • ✕ You rent: the vendor owns the roadmap
  • ✕ Scalability capped by what the vendor ships
Custom-built
The tool fits your business
  • ✓ One-off build, then fixed cost: you own the asset
  • ✓ The software follows your processes exactly
  • ✓ The source code is yours, any team can pick it up
  • ✓ No limit: the product grows with you

Simple rule: if the off-the-shelf tool does 90% of the job, take it. If your processes are the core of your value — or you're already juggling five subscriptions that don't talk to each other — custom becomes worth it.

// The process

From idea
to deployment.

From the first conversation to follow-up once you're online. Eight steps, eight validation points, no grey areas. We write down every decision, and you keep control at each step.

STEPS · 8 stages DURATION · 4 → 12 weeks RHYTHM · a demo every Friday
01 · ScopingW1
We map your need and review what you already have. A clear document to start from, and a signed quote before the first line of code.
02 · DesignW2–3
The full design of your screens, validated together before we build.
03 · Build · 1W4–5
The foundations and account connections. You get a live preview at every step.
04 · Build · 2W6–7
The screens and the links to your tools. A demo every Friday, everything tracked in a shared space.
05 · Build · 3W8–9
Payments and finishing touches. We wire up billing and settle the last details one by one.
06 · Testing & sign-offW10
Full testing and sign-off with you. Speed and quality checked on every page.
07 · LaunchW11
Going live and handover. Launch is a non-event: everything is ready and reversible.
08 · Ongoing careW12 →
Continuous monitoring, fast security updates, and a public status page.
// Upside

A tool built for your processes

Time reclaimed

A tool that follows exactly how you work kills double entry, Excel exports and back-and-forth between five apps. What was done by hand runs on its own.

Ownership

The code is yours: no surprise license hike, no feature vanishing because the vendor changed direction. An asset that gains value, not a bill that keeps climbing.

Scalability

The product grows with you — a new flow, a new customer type, one more integration — without waiting for a vendor's roadmap. And since it's all real code, it holds up when things take off.

// The cost

The ranges, no hedging

Custom SaaS MVP
from €12,000

A first version in production that genuinely does the job, on a tight scope. Enough to validate your market with a real product.

Full production SaaS
€25,000 → 100k+

Depending on the size of the product, the number of integrations and the level of demand. A complete, multi-user product, ready to hold the load.

Three factors move the price
01 · Scope

The number of screens, roles and business rules. A three-screen internal tool doesn't cost the same as a multi-user platform with dashboards and automations.

02 · Integrations

Every connection to your tools (payments, billing, CRM, third-party APIs) adds work. A product that lives alone costs less than one orchestrating your stack.

03 · Level of polish

Deep design, exhaustive testing, hardened security, scaling: going from "it works" to "it holds in production under real load" has a price.

Free quote within 24h →
Case study

Odiwise

Financial audit software for real estate projects

The starting point: heavy financial analyses, scattered across spreadsheets, slow to produce and easy to break the moment a figure moves. We turned it into a real product — structured data entry, automated audit calculations, clear deliverables — instead of fragile Excel sheets.

What used to take hours is now generated reliably and reproducibly, with the data in one place. A textbook case of custom paying off: a specific trade, particular calculation rules, a need no generic tool would ever have covered properly.

5
SaaS projects shipped
2025
studio founded
Financial audit
automated, reproducible
// FAQ

Frequently asked questions

How long does it take to build a custom SaaS?+

Between 4 and 12 weeks depending on scope. An MVP starts at 4 to 6 weeks; a full production product, more like 8 to 12 weeks. We work in weekly sprints with a demo every Friday.

Who owns the code?+

You do. We hand over the source code and all the access. No proprietary license locking you in, no dependency on a vendor: the product is yours, and any team can pick it up.

What about maintenance after launch?+

It is planned from the start, in the follow-up step: continuous monitoring, fast security updates and fixes. We do not disappear after launch.

// Contact

Un brief, un devis,
sous 24 h.

Décrivez le projet en quelques minutes. On revient avec une première lecture honnête, un ordre de grandeur et les premiers risques. Pas de PowerPoint, juste une réponse claire.

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