At least four PR firms are engaged in the $6.9B buyout of BMC Software, the publicly traded cloud computing and IT services giant.

Boston-based private equity powerhouse Bain Capital and Golden Gate Capital, a San Francisco firm started by former Bain execs, are leading the $46.25-per-share acquisition to take BMC private. Singapore's GIC Special Investments and Insight Partners of New York are also part of the buyout team.

Joele Frank, Wilkinson Brimmer Katcher is supporting BMC's in-house communications team.

Stanton PR & Marketing is working PR for longtime client Bain, while Sard Verbinnen & Co handles Golden Gate Capital.

GF Bunting PR works with Insight Venture Management.

The deal, expected to close later this year, won the support of activist shareholder Elliott Management, which had pressured Houston-based BMC to make a move.