Travel software firm Datalex has said that transaction revenue - its key value driver - rose by 18% in the first four months of 2014 on same time last year. 

In an interim management statement issued ahead of its AGM today, Datalex said its financial position at the end of April remains strong. 

The company signed a number of new customers so far this year including Brussels Airlines, which is part of the Lufthansa Group, and Air Transat, Canada's leading holiday travel airline.

Datalex is planning to open a new office in Beijing in the middle of the year to support the "very important Chinese market". It also expects to announce new customer signings before the third quarter of 2014.

The company has previously predicted adjusted earnings growth of 18-20% for the full year. 

"Our performance to date in 2014 gives us confidence that we are on track to meet this objective, and with the new customer deployments currently underway and new customer signings to date in 2014, we believe our business is well positioned for sustained growth", today's statement concludes.