Blumshapiro has acquired SunBlock Systems, a firm which provides cybersecurity, digital forensics and business intelligence services. Based in Reston, Va., SunBlock, founded in 2002 as a computer forensics firm, has resources which include patents on forensic technologies.

Centenal Tax Group, based in Folsom, Calif., has acquired six bookkeeping and tax firms in California. Centenal also named Zachary VandeKamp as CEO and said it plans to buy four more firms.

BBD, a Philadelphia, Pa.-based accounting firm, has hired Brian Page to work in its Not-For-Profit Group. BBD says it serves more than 250 NFPs in the the Delaware Valley and Mid-Atlantic areas.