iO1 regarded as one of Europe's leading Open Source Development Consultancies in the UK and Europe, with a specialist focus on the Drupal platform.

iO1 has its origins as a software development company setup in 2004 by John Fintan 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 10 years by building a strong team focused on developing processes and systems that produce stunning results for our clients. 

Our dedication to five key values - fairness, professionalism, innovation, dependability and quality - is at the core of who iO1 is and what we do.