We build software that saves manual work and take care of your Microsoft 365 environment. Direct contact, from your first question to day-to-day support.
From a workflow that has become a bottleneck to a well-managed digital workplace: explore how we can help.
Less retyping, clear processes and systems that work together. We build business software, customer portals and SaaS platforms around the way your organisation works.
Discover software development
As a Microsoft Cloud Partner, we handle setup, migration, licensing, management and backups. We also build applications for SharePoint, Outlook and Teams.
Discover Microsoft 365We develop and manage four products of our own. We bring that practical experience to your project.
Managing planning, time tracking and invoicing in separate systems takes a lot of manual work. AdComPro brings projects, time tracking, budgets and invoices together in one platform.
The result: recorded hours stay linked to the project and client, all the way through to the invoice.
View AdComPro
Multiple homes and rental channels make planning difficult. CasaMio combines an occupancy calendar with bookings, guests and cleaning, with synchronization via iCal.
The result: one overview for daily rental, from arrival to cleaning.
View CasaMioAlso built by us: Smart Boekhouden and Altena Rijschoolsoftware. Explore all our products →
We discuss the process, the users and the desired result. You get a proposal with scope, approach and costs.
We build in manageable steps. For software projects, a first working version is often ready within four to eight weeks, depending on the scope.
After completion, we agree on how hosting, security updates, support and further development are arranged.
Read about our approach → Explore ways to work together →
Replace Excel · Build a customer portal · Connect your systems · Build a website · A custom WordPress plugin
Altena is a Dutch software company founded by Marcel Altena, an entrepreneur and developer. We help small and medium-sized businesses and entrepreneurs with business software, our own SaaS products and Microsoft 365.
Our first conversation starts with what could work better in your organisation. Sometimes that calls for new software, sometimes an integration or a better setup of the tools you already use.
We build with Laravel and React and make agreements about maintenance, transfer and ownership. The experience with our own products goes directly to your project.
Tell us what you needSend a few sentences about your question. You will receive a personal response and a proposal for the next step within one working day.