Marketing firm Cello Group announced it has acquired web design company Line Digital in order to reinforce its digital capability.The Edinburgh-based agency, which specialises in online marketing, provides for clients such as Standard Life, Tesco Bank, Travel Corp and Edinburgh Fringe. The group has not released any costs related to the acquisition.The group's subsidiary Cello Signal, which recently acquired digital agency Blonde, will soon be fully integrated with Line to form Blonde Digital, which it expects to add to its growing knowledge in building digital technology platforms for clients.Cello also acquired pharmaceutical group, Mash Health, towards the start of the year for a total consideration of £0.6m, which is now part of the firm's healthcare division.Managing Director Ross Laurie said: "Integration with Blonde will deliver more support for our clients and staff, more financial stability for growth, and a deeper pool of knowledge for us to draw on. It is an exciting opportunity to expand more aggressively"As of 08:31, the share price had risen by 0.58% to 85p.WS