Get in touch with BLOS

Send a message

At BLOS we’re more than happy to help you! If you have a question, comment, suggestion or want to report a change, you can do so using the form below. You can also send an e-mail directly to You will receive a response from us within 2 days!


Do you have any questions about registering, exchanging, the app or the BLOS policy? You might find the answer on our page with frequently asked questions.

Couldn’t find the answer to your question or would you rather ask your question in person? Please contact us via phone or e-mail.

Frequently asked questions


BLOS childcare
Postbus (P.O. box) 50
3430 AB Nieuwegein
030 604 75 99

Visiting address Central Office
Iepenhoeve 9 B
3438 MR Nieuwegein

We are available on weekdays from 08:00 AM to 6:30 PM

BLOS childcare Apeldoorn
Tesselschadelaan 2
7314 LL Apeldoorn
055 355 55 77

We are available on weekdays from 08:00 AM to 6:00 PM

BLOS childcare Leiden, Sassenheim en Voorschoten
Boschplein 13
2171 GT Sassenheim
0252 21 38 76

We are available on weekdays from 09:00 AM to 5:00 PM

Want to register your child at BLOS?

Please fill in the registration form and we will contact you as soon as possible. Do you want to see a location with your own eyes first? Request a tour for a BLOS location in your neighbourhood. Questions? We’re happy to help!

Register Contact Tour