Allied Universal, a security and facility services firm and a portfolio company of Warburg Pincus and Wendel, is set to acquire SOS Security, a provider of security services, from private equity firm Sun Capital Partners. Financial terms were not disclosed. “Like Allied Universal, SOS Security has built a renowned and respected brand of security services. Now, working together, we will be able to combine the best of both brands to elevate security services, the breadth and reach of capabilities and opportunity to provide new security solutions” Steve Jones, Allied Universal CEO.