Contact & about us

About Seneca

We make creative websites and powerful web applications. With online products with which you reach, touch and involve customers.

With our standard software we go for predictable projects with surprising results.


Patrijsweg 62
2289 EX Rijswijk

+31 70 33 64 600 (general)
+31 70 33 64 601 (servicedesk)

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We are available

Monday-Fridayrijdag: 09.00 tot 17.00
Saturday and Sunday: closed

Custom service windows apply to the servicedesk
(possible up to 24 hours a day!)

Contact form

About our people

Professionals work at Seneca. People who have earned their spurs in the field of online issues and web technology. They provide advice, inspire, support and work together on new projects.

We enjoy working in a team and together use the latest web technology to create intuitive and user-friendly software. Software that you can use in no time.

One of our consultants also works at your location. This way you work intensively together on an optimal result. Involve a Seneca consultant in your online projects and benefit directly from his knowledge and years of experience.

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About our products

Our software products are modular, so you only pay for the products you actually use. Our products are flexible, so that the software adapts to your needs. And of course our products are future-proof. In this way, you always benefit from new functionality that comes to you with an update.

Our products use industry standards and are provided with relevant links to commonly used applications. In this way, the Seneca software seamlessly connects to your own work process, you prevent manual work or retyping and you bring the right online information to the right person quickly and safely.

About the branches Government, Healthcare and Housing Corporations

Seneca products can be found everywhere. In business and in the non-profit sector. Within this, Seneca is strongly represented at municipalities, housing corporations and healthcare institutions. Many of our products therefore contain industry-specific adjustments. And our consultants? They know exactly what is going on in your industry so that we can advise you properly on decisions about current topics.

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