iO1 is the leading Drupal Consultancy in the UK and Europe.

iO1 has its origins as a software development company setup in 2004 by John F Galvin and Jonathan Russell, who had worked together for a number of years building large-scale systems in the corporate sector.

iO1 has grown steadily over the last 6 years by building a strong team focused on developing processes and systems that produce stunning results for our clients.

Our dedication to our key values - Professionalism, innovation, Fairness and dependability - is at the core of who iO1 is and what we do.

More recently we have worked with most of the UK government departments in helping them move to opensource

Drupal contributions

Sponsors of View, Panels, Ctools and numerous other smaller projects