iO: your trusted Drupal Partner for all web platforms


Our teams have been using Drupal to build complex — and less complex — websites since 2011. With over 130 Drupal developers at your service, iO has the largest Drupal team in the Benelux.

  • 130+ Drupal experts

  • 250+ delivered projects

  • Top 30 Drupal contributor

  • Biggest Drupal team in the Benelux

  • Drupal Academy

On this page

Why choose iO as your go-to Drupal partner?

Certified Partner

Drupal Certified Partner Gold

Would you like to talk about Drupal? Reach out to our experts.

Clients that benefit from our Drupal expertise

Our most recent Drupal projects

Drupal at iO


Len Swaneveld is the views subsystem maintainer in Drupal Core and part of iO's Drupal Expert Group. He is one of the evangelists of contributing to Drupal within iO.

As top 30 contributor to Drupal we value being part of it's community.

Upgrade Drupal with ease

Do you want to keep your Drupal website fast and secure? Then it's best to start planning your upgrade to Drupal 9. Our Drupal experts will tell you why this is a smart choice, how to go about it, and what benefits the upgrade will bring.


The benefits of Drupal

We can keep talking about why we love working with Drupal — but why don't you find out for yourself?

iO & Drupal in numbers


Drupal experts


project delivered


Drupal contributors


Largest Drupal team in the Benelux

iO Podcast: The Roadmap of Drupal according to it's founder Dries Buytaert

in this episode of the Infinite Opportunities podcast, Tom Van Mierlo (Digital Strategist & Partner iO), Maarten Heip (Drupal Lead iO), and Dries Buytaert (Founder Drupal & Acquia) talk about chess, the evolution towards composable architecture, low-code and no-code development, and the future of the popular open source CMS.
Listen to the podcast
Check all our events and training courses
Related articles
Person walking on stairs in iO Campus

Great to meet you, we are iO

iO is a ‘blended agency’, actively tearing down the walls between the agency, technology and consulting worlds. This asks for a new breed of partnership. That’s why we help you to sustainably shape and improve your total brand experience, along the end-to-end journey. We blend talents in strategy, creativity, content, marketing, technology and data. That’s how we unlock the power of collaborative intelligence.
Find out more about us

Want to talk about your project?

We're excited to see how we can help you.