SaaS development · MVP, platform & rebuild

Custom SaaS development agency

You have a product idea, we turn it into custom SaaS software. Our SaaS development agency designs, builds and grows your SaaS platform: scalable cloud architecture, UX/UI design and recurring revenue at the heart of the project.

MVP in a few weeks Scalable architecture GDPR security built in
your-saas.app · dashboard

Recurring revenue (MRR)

€24,800+18%

Live

1,240

Active subscribers

99.9%

Uptime

12

Connected APIs

Let's talk about your project

Let's scope your SaaS project together

Pick a slot: we get to know your idea, your users and the scope of the most relevant SaaS MVP. You leave with a clear view of the SaaS development and its cost.

  • 1

    We understand your product

    Your market, your users and your business model.

  • 2

    We scope the perimeter

    The right MVP, the cloud architecture and the fitting tech stack.

  • 3

    We cost the path

    A clear SaaS development cost, step by step, with no commitment.

No slot that works? Write to us and we'll adapt.

Why choose us

SaaS development, from MVP to platform

Plenty of providers deliver code. As a SaaS development agency, we deliver a product: useful, scalable and profitable, built for your growth

A product built to last

Our SaaS development starts from your business model and your users: subscription management, real usage value and retention. Every SaaS application we build aims for a clear Product Market Fit, not just a demo.

A scalable cloud architecture

Multi-tenant architecture, elastic cloud hosting and a modern tech stack: your SaaS platform absorbs the load without a rewrite. Scalability is a design choice, not a last-minute patch.

Security & compliance as standard

Data security, GDPR compliance and API integration best practices from the first line. Your custom SaaS software earns the trust of your SME and enterprise customers, and of your B2B SaaS users.

What we build

Custom SaaS software, end to end

From the user experience to the cloud hosting, your SaaS application is built like a lasting product, ready for scalability and API integration.

  • A SaaS MVP quick to launch

    We scope the minimum feature set that validates your market, then ship a usable SaaS MVP in a few weeks to test your Product Market Fit.

  • Multi-tenant architecture

    A clean multi-tenant architecture: each client isolated, costs kept in check and native scalability as your user base grows.

  • Usage-driven UX/UI design

    Clear UX/UI design, a readable dashboard and journeys built for adoption, retention and solid recurring revenue.

  • API integration & ecosystem

    API integration with your tools (payments, CRM, billing) and exposing your own API to connect your SaaS platform to the wider market.

  • Data security & GDPR

    Encryption, access management, logs and GDPR compliance: data security is treated as a feature, not an option.

  • Evolutive maintenance

    After launch, continuous evolutive maintenance: CI/CD, monitoring and new features at the pace of your agile development.

Our tech stack

Modern foundations

React / Next.js on the front end, robust APIs on the server side, CI/CD to ship often and calmly, and AI built in when it creates value.

React / Next.js Multi-tenant architecture REST & GraphQL APIs Cloud hosting CI/CD Data security GDPR Artificial intelligence Subscription management Real-time dashboard

Scalable

Built for growing load

Secure

Data protected, GDPR respected

SaaS development & product

A SaaS application built like a product

Building a SaaS is more than writing code. As a SaaS development agency, we start from your market and your recurring-revenue model to design custom SaaS software that finds its Product Market Fit. It often starts with a SaaS MVP: the minimum version that proves the value with real users, without over-investing.

Then comes the SaaS development proper. Multi-tenant architecture, elastic cloud hosting and a scalable architecture: your SaaS platform is ready to welcome thousands of users without a rewrite. Scalability isn't a buzzword, it's an engineering decision taken on day one, backed by a modern tech stack (React / Next.js, APIs, CI/CD).

UX/UI design makes all the difference between a tool people endure and a product people adopt. A clear dashboard, smooth subscription management and careful API integration turn usage into habit, and habit into recurring revenue. And because B2B SaaS is sold to demanding SMEs and enterprises, data security and GDPR compliance are treated as first-class features.

Whether you're a SaaS startup chasing your first market or a company weighing up a SaaS rebuild, we offer complete product support: from scoping to launch, then continuous evolutive maintenance, with an agile development that folds in your feedback and, where relevant, artificial intelligence. The cost of SaaS development stays transparent and incremental: we invest where it creates value, step by step. Need a marketing site alongside it to sell your product? Our SEO web design has it covered.

Our method

From scoping to a scalable SaaS platform

SaaS development in iterations, where you see the product grow with every sprint

01

We scope your product

Vision, users, business model and priorities: we turn your SaaS startup idea into a costed product roadmap.

02

We design the experience

UX/UI design, dashboard mockups and infrastructure choices. We validate the key screens before a single line of the SaaS application is written.

03

We build in iterations

Agile development in sprints, a React / Next.js tech stack, API integration and CI/CD. You watch your SaaS platform grow every week.

04

We launch and evolve it

Go-live on scalable cloud hosting, usage monitoring and evolutive maintenance. Your product support continues after launch.

Budget & investment

SaaS development cost, no surprises

We start small and invest where it's useful: MVP first, platform next. Here's how a SaaS build budget is structured

Stage 1

SaaS MVP

The minimum version that validates your market and your Product Market Fit, with tight agile development.

Stage 2

Platform

Multi-tenant architecture, subscription management, API integration and a full dashboard to scale with confidence.

Stage 3

Evolutive maintenance

Cloud hosting, data security, CI/CD and new features as your growth unfolds.

Frequently asked questions

Everything you need to know

What is a custom SaaS development agency?

A SaaS development agency designs, builds and evolves your custom SaaS software: product scoping, cloud architecture, UX/UI design, engineering and evolutive maintenance. Rather than adapting an existing tool, we build a SaaS platform tailored to your market and your recurring-revenue model.

How much does SaaS development cost?

The cost of SaaS development depends on the scope: a SaaS MVP to validate your Product Market Fit is far more affordable than a full multi-tenant platform. We always start with a scoping phase that sets the budget step by step, beginning with the minimum version that proves the value.

How long to launch a SaaS MVP?

Depending on complexity, a SaaS MVP usually launches in a few weeks to a few months. Our agile development lets us put a first SaaS application in your users' hands quickly, then grow the product from real feedback.

How do you guarantee the platform's scalability?

Scalability is prepared from the design stage: multi-tenant architecture, elastic cloud hosting, a proven tech stack and CI/CD. Your SaaS platform absorbs a growing number of clients without a painful rewrite, because the cloud architecture was built to scale.

Do you handle data security and GDPR?

Yes. Data security is built in as standard: encryption, fine-grained permissions, backups and GDPR compliance. It's essential for B2B SaaS sold to SMEs and enterprises, where trust and data protection make or break the deal.

Can you integrate APIs and payments?

API integration is at the core of a modern SaaS: payments and subscription management, CRM, billing, business tools. We connect your SaaS application to your ecosystem and expose your own API so your clients and partners can plug in.

Do you work with startups as well as SMEs?

Yes. We support both a SaaS startup seeking its Product Market Fit and an SME or enterprise wanting to digitise a business process. In both cases, the same standard: custom SaaS software that's useful, secure and profitable, with long-term product support.

Do you rebuild an existing SaaS?

Yes. A SaaS rebuild starts with an audit of your tech stack, your cloud architecture and your UX/UI design. We identify the debt, secure the migration and put your SaaS platform back on scalable foundations, without interrupting your recurring revenue.

Ready to launch your SaaS?

Trust your custom SaaS software to a SaaS development agency that thinks product, scalability and recurring revenue. The first call is with no commitment

Get my free audit