Private equity firm Southfield Capital unit Single Source Security Inc., doing business as Protos Security, closed the acquisition of Security Resources Inc.
Security Resources co-founders Joseph Malone and Bob Bond will remain in their existing leadership roles. Security Resources provides security guard and related solutions through its managed services platform and its in-house manned guard division.
Southfield, which invests in high-growth, lower-middle-market companies in the outsourced business services sector, acquired Protos Security in February. Protos Security is a tech-enabled managed security services provider.
Monroe Capital LLC provided debt financing, while Pepper Hamilton LLP provided legal counsel to Southfield Capital.
