The company's Clareti technology was a key driver of growth, delivering a 50% increase in revenue to £8.3mln and a 38% gain in like-for-like revenue on the back of contract wins. READ: Gresham Technologies shares tank as 2018 earnings dented by order delays The rest of the business posted a 17% rise in revenue to £4.1mln. Gresham said B2 Group, the bank-to-corporate integration and cash management software specialist it purchased last July, maintained a solid performance and the full-year outturn for the division remains in line with management's expectations.