Companies in this week's round-up include hedgehog lab, Cognassist, ART Health Solutions, Calibrate Group and Foresight Group. : Companies in this week's round-up include hedgehog lab, Cognassist, ART Health Solutions, Calibrate Group and Foresight Group Tech consultancy hedgehog lab has acquired York-based app developer Netsells having secured a multimillion-pound investment. The Newcastle firm, which also operates hubs in the US and Bulgaria, has received the backing of BGF (formerly the Business Growth Fund) in a £6.3m deal that sees an exit for previous investors Maven Capital Partners.