History

Tessella is one of the leading suppliers of high quality software development and support services to the Scientific and Engineering community.

Since our foundation in 1980, the key to Tessella’s success has been the academic and technical excellence of its staff.

Tessella has concentrated on controlled growth so that our clients can be confident that we will be around in years to come. The main achievements in Tessella’s history are listed below. This shows a managed growth which has accelerated in recent years and continues to do so:

1980
Tessella formed by current Managing Director, Kevin Gell
1987
Moves into first permanent office in Abingdon
1989
£1 million revenue achieved for the first time
1989
Dr Peter Townsend appointed Director
1990
Moves into Vineyard Chambers offices in Abingdon
1991
Staff numbers exceed 50
1992
Achieves BS (EN) ISO 9001 status
1993
First branch opened, in Cambridge
1995
Investors in People attained
1995
Revenue exceeds £2 million
1997
£3 million revenue achieved
1998
Warrington Branch opened
1998
Winchester Branch opened
1999
Revenue surpasses £4 million
2000
Tessella achieves 20 years of service to its customers
2000
£5 million revenue achieved
2000
Burton Branch opened
2000
Staff numbers exceed 100
2001
First overseas branch opened in Den Haag, The Netherlands
2001
Tessella receives two awards for fast growth: Deloitte & Touche Fast 50 and HgCapital
2002
Revenue reaches £8.9 million
2003
Opened first USA Branch in Boston, Massachusetts
2004
Tessella Inc first full year of trading
2005
Tessella Inc opens its 2nd office (in Washington DC); Tessella Support Services plc acquires Analyticon Ltd
2006 Four more Directors appointed to the Board
2007
Analyticon becomes a branch of Tessella Support Services plc
2007 Revenue exceeds £12 million
2008
Analyticon now fully integrated into Tessella