NorthEdge, a middle-market private equity firm, completed the acquisition of Correla, a provider of product-oriented technology and data services, from Xoserve, a central data service provider. Financial terms were not disclosed. “I am delighted that we have secured an investor who has throughout the sale process, proven their commitment to the success of our customers and the challenges facing the energy sector. I am confident that our objectives are well aligned, and I look forward to working in partnership with NorthEdge to deliver our strategy," Clare Spottiswoode, Xoserve Chairman.