Medical Solutions has acquired OA Nurse Travel from On Assignment. Financial terms weren’t announced. OA Nurse Travel, of Cincinnati, provides traveling nurses. Omaha-based Medical Solutions is owned by Tenex Capital Management and McCarthy Capital.

McCarthy Capital, an Omaha, Nebraska-based middle-market private equity firm, has hired Michael McGovern as a principal, working out of the firm’s Boston office. McGovern joins McCarthy from Wincove Capital, a lower middle market PE firm that he cofounded in 2008. Previously, McGovern was a partner at Hampshire Equity Partners, a NY-based PE firm where he spent [...]

TA Associates appears poised to invest in CoSentry.net LLC, an Omaha, Neb.-based company that provides technical services for data centers and cloud computing, Buyouts reported earlier, citing a recent regulatory filing. Boston-based TA would be making the investment out of its $4 billion 11th fund, closed in 2009. The Federal Trade Commission granted TA early [...]

Welsh, Carson, Anderson & Stowe has bought a majority stake of Peak 10, a Charlotte, N.C.-based data center operator and managed services provider. Peak 10′s management will also have a stake. The sellers were Seaport Capital and McCarthy Capital. Financial terms were not disclosed. The deal is expected to close in early October.

McCarthy Capital Corp. led a growth equity investment in Advantor Systems LLC, which is an Orlando, Fla.-based designer and integrator of physical security systems. Terms were not disclosed. McCarthy Capital of Omaha, Neb., is a private equity firm that exclusively invests in middle market companies with operating profits of $3 million and $25 million. The shop’s typical investments range from $10 million to $30 million.

Life Care Companies LLC, a Des Moins, Iowa-based provider of services to senior living communities, has raised $50 million in new funding led by McCarthy Capital Corp. PRESS RELEASE McCarthy Capital Corporation recently led a $50 million investment in a privately-held company, Life Care Companies LLC. Headquartered in Des Moines, Iowa, the company does business [...]

Robert Emmert has joined McCarthy Capital as a partner, and head of the Omaha-based firm’s Boston office. He previously was a general partner with Alta Communications.

Chuck Hagel, former U.S. Senator from Nebraska, has agreed to join McCarthy Group’s private equity business as a senior advisor. He will maintain offices in Omaha and Washington, D.C.

Scott Maierhofer has joined McCarthy Capital as a Denver-based partner. He previously was co-president of Green Manning & Bunch.