GREENWICH, Conn., Aug. 20, 2025 /PRNewswire/ -- Southfield Capital, a premier lower middle market private equity firm, announced today that Security Services Holdings LLC, ("Protos"), a leading national tech-enabled managed services security provider in North America, has completed the divestiture of Mulligan Security (including MG Security Services) to Allied Universal. The transaction closed on July 3, 2025.

The divestiture is a key step in Protos' strategic plan to increase its investment in, and purposefully focus its efforts on, its managed services platform while accelerating growth. Protos' singular focus is to drive a differentiated, data driven and tailored service experience for customers seeking a better way to manage their security programs. This divestiture reinforces Protos' commitment to investing in high-growth areas where technology and operational excellence drive measurable client outcomes.

Protos is a leading tech-enabled managed services provider in the security industry, with the largest North American supplier network of guarding and off-duty service providers, complemented by specialized security and remote video solutions. This divestiture underscores Protos' disciplined approach to provide a differentiated client experience while accelerating its investment in a scalable, high-growth platform driven by technology and data intelligence.

"With the divestiture of Mulligan, Protos will be laser-focused on driving a superior customer experience across its national footprint through our supplier managed model," said Mark Hjelle, Protos CEO. "The Protos managed services model is unique to the marketplace and provides customers with improved operational transparency, flexibility and cost control."

Southfield Partner, Brandon Pinderhughes, commented on the transaction, "This transaction marks an important step in Protos' strategic journey. By concentrating on its tech-enabled model, Protos is positioned to drive innovation, expand its capabilities, and deliver exceptional results for clients, regardless of their end market or their footprint inside North America."

About Protos Security
Protos Security is a leading tech-enabled managed security services provider offering physical guarding, off-duty officers, specialized and remote monitoring services for a diverse customer base across North America. Through a unique managed services model, clients gain access to a vast and agile provider network for security service delivery. Protos' unwavering commitment to innovation paired with real-time security program data insights ensures that Protos is a relentless advocate for clients and their people.

For more information, please visit www.protossecurity.com.

About Southfield Capital
Southfield Capital is a private equity firm that invests in high-growth, lower middle market companies in the business services sector. The firm targets companies with $4 - 20 million in EBITDA and partners with management to scale the business through a combination of organic and acquisition growth strategies.

For more information, please visit www.southfieldcapital.com.

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SOURCE Southfield Capital