VEBNET, the employee benefits software specialist, yesterday said it had signed a contract with a ''major UK financial institution'' based around its core Fix & Flex product. In a statement, the Edinburgh-based company said the first phase of the development was likely to contribute significant revenues in the current financial year ending June 30 and further phases could follow. Gerry O'Neill, Vebnet's chief executive, pictured, said the contract win ''underpins our objective to double turnover in the current financial year''. Revenue in the 12 months to the end of June climbed 56% to (pounds) 1.04m. Shares closed up 10.5p at 176.5p.