(Sharecast News) - Software-as-a-Service solutions provider Access Intelligence reported sustained growth throughout the six months ended 31 May following its acquisition of ResponseSource.Access told investors on Tuesday that first-half growth had been driven by new business secured by its Vuelio monitoring and intelligence platform and the upselling of services from the newly acquired journalist enquiry platform ResponseSource.The AIM-listed firm delivered an increase in net annual contract value of £450,000 during the half, compared to the increase of £360,000 seen a year earlier, and now anticipates total revenues for the half to come to £6.2m - a 42% year-on-year improvement.Looking forward, Access said the integration of its Vuelio platform with ResponseSource during the second half of the year was expected to accelerate revenue growth.Chief executive Joanna Arnold said: "We have secured our position as a market leading partner to the industry and I am delighted with the results seen so far this year."For the second half of this year, our commitment remains to innovate and deliver exceptional products and service to our clients."As of 1025 BST, Access shares had slid 3.45% to 56p.