Allied Universal Acquires Mulligan Security from Protos (Southfield Capital-backed Protos)
July 3, 2025
Allied Universal has acquired Mulligan Security (including MG Security Services) from Security Services Holdings LLC (Protos) and Southfield Capital; the transaction closed on July 3, 2025. The divestiture enables Protos to refocus investment and resources on its tech-enabled managed services platform.
- Buyers
- Allied Universal
- Targets
- Mulligan Security, MG Security Services
- Sellers
- Security Services Holdings LLC (Protos), Southfield Capital
- Industry
- Professional Services
- Location
- New York, United States
- Transaction Type
- Divestiture
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