Get in touch & let’s get started

Want to create inspiring communications, engaging meetings, powerful projects to bring about momentum for sustainability? You are in the right place.

Get in touch, and then let’s find out how we can work together.


We love email. Send us one using this form – or directly to


Schedule a conversation here – or call the mobile for emergencies (+31 61 55 073 66).


Maybe you just want to stay in the loop? Check out the newsletter – or social media.


Old-fashioned? Send letters to:

Kritzingerstraat 6
2021 SH Haarlem
The Netherlands

Save all this to your address book (vcf)

ON:SUBJECT is registered with the Kamer van Koophandel as company number 56320922. Our VAT number is NL345791514B01.