MVP
A first version focused on the essentials, to test your idea with your first customers.
Custom SaaS development
Your software idea, turned into an online product.
From the first prototype to a subscription platform: we design and build your SaaS, with user accounts, online payment and foundations ready to grow.
From idea to a product that sells.
We move in stages, to get your product into real users’ hands quickly.
SaaS platform
Accounts, roles, client areas and dashboards: a complete application designed for many customers.
Subscriptions & payment
Plans, free trials, invoicing and online payment built into your product.
Growth & integrations
New features, APIs and connections with your customers’ tools.
The KPS approach
A SaaS is built to last.
Fast launch
A usable first version early on, so you learn from users before going further.
Scalable foundations
An architecture that keeps up as your customer base grows.
Recurring revenue
Subscriptions and payments handled inside the product, with no workarounds.
Polished experience
A clear interface that makes people want to come back and reduces support requests.
Method
From idea to launch.
- 1
Scoping
Your market, your users and the features the first version truly needs.
- 2
Design
User journeys and application mock-ups: you approve before development.
- 3
Development
Built in stages, with regular demos.
- 4
Launch & growth
Go-live, usage tracking and new features driven by feedback.
They trusted us
All our work
Our guides on the topic
All articlesHow much does a custom SaaS cost in 2026? From MVP to platform
Custom SaaS cost in 2026: the budget for an MVP, a business SaaS and a multi-tenant platform, recurring costs and practical advice on getting started.
Read · 3 min →Frequently asked questions
With an MVP: a first version limited to the function that delivers most of the value, put in the hands of your first customers to check they are ready to pay.
A SaaS to launch?
Tell us what you need: we’ll come back to you with a clear recommendation and a tailored quote.