Tessella

Tessella was founded in 1980^[1] by Kevin Gell. Tessella moved to its first permanent office in Abingdon, Oxfordshire, in 1987. Tessella established a United States operations in 2004 in Newton, Massachusetts. Tessella purchased Analyticon, a technical consultancy in the space and defence industries, in 2005.^[2] In 2009 Tessella expanded its services to include consulting.^[3] In July 2012 Tessella existing management team completed a management buy out.^[4] Mobeus Equity Partners supported the buyout and founder Kevin Gell retained a significant minority stake and continued to serve as a board member. After the MBO, Tessella expanded its consulting and technology services to explicitly include analytics^[5] as a core capability. In December 2015 Altran acquired Tessella.^[6] In April 2020 Capgemini acquired Altran^[7] and Tessella became part of Capgemini Engineering. On 1 April 2022, Tessella ceased to be its own legal entity and is now fully integrated within Capgemini Engineering as the Hybrid Intelligence team.

• 2015 UK IT Awards Highly Commended in the Not for Profit category^[8]
• 2014 UK IT Awards Innovative Mobile App of the Year^[9]
• 2014 Bio-IT World Best Practices Award^[10]
• 2013 European Rail Congress Awards^[11]
• 2011 The National Archives and Tessella win the Queen's Award for Enterprise Innovation^[12]
• 2009 Bio-IT World Best Practices Award^[13]
• 2012-17 Best Places to Work Ranks Tessella as Outstanding^[14]