For the financial year ending 31 January 2011, TBT's turnover rose 20% to £3.49m from £2.89m the previous year. Profit before tax climbed 41% to £405,000 from £288,503.
The company also reported that the 2011-12 financial year has begun strongly, with sales up 30% in the first six months, thanks to business from clients including Microsoft, Q Logic, Emerson and NNLDN.
New starter Lancaster sits on the company board of directors with Ed Craven-Smith, Pete Saunders and Christian Knott. He joined from BCD M&I where he was business development director EMEA.
TBT managing director Pete Saunders said: "Jason will be responsible for leading our new business drive as we seek to create a vibrant and balanced business profile. He brings with him a wealth of ideas and sound strategic thinking, along with bags of enthusiasm and a highly successful sales background."
He added: "We are achieving solid year-on -year growth despite the turbulent and extremely challenging economic climate."
Meanwhile, TBT has hired six new staff. The new joiners include Russian speakers Helen Lineko and Alina Zilberman on TBT's Central Eastern Europe team; Esther Procee as programme manager on the European team; Elena Renken on the South West European team as a programme administrator; and Sarah Fox as operations and HR manager.
In 2010, TBT moved into new offices in Frome and appointed 10 staff members. The company recently increased floor space by 30 per cent, occupying the adjacent office, allowing capacity for up to 60 staff.