About us

Who we are and what we do

Quality time is planned by you

cally.com is the pre-eminent tool to bring families, friends and business relations together.

Our website is visited more than 60 million times a year enabling 7 million unique users to create their events through cally.com. The team behind cally.com consists of more than 15 creative minds and is located near The Hague.

Quality time means getting together with family, friends or business relations. We believe that you’re the only one planning this quality time, but it is done a lot easier with an application that helps you take the initiative.

Datumprikker is well known and widely used in the Netherlands, but at the same time a starting point for an even smarter international platform called Cally, with which we have planned to have reached over 100 million users in the next 5 years.

To achieve this goal cally.com follows a strategy based on three fundamentals: personalization, experience and intelligence.



Events created


Unique users


Participants invited


Dates suggested

The team behind cally.com

Geert Merkelbach
Henk de Boer
Paul Bongers
Mark van der Velden
Gwenn de Graaf
Product Owner
Leon de Brabander
Web & App Developer
Eddie Horde
Front-end Developer
Ninke Hensbergen
Marketing Manager
Guillaume de Sagazan
Stefan Streur
Front-end Developer
Ravi Gajadin
App Developer
Mitchel Hulst
Web Developer
Nousha van Dijk
Xamarin Developer

Would you like to contact one of our team members? Do you have a genius idea or do you want to have a look at your future workplace?

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Turfschipper 7-9
2292 JC Wateringen (Directions)
The Netherlands