Protos Focuses on Growth Following Mulligan Security Divestiture
Deal News | Aug 20, 2025 | Southfield Capital Advisors LL
Southfield Capital Advisors, a private equity firm focused on lower middle market businesses, has announced the divestiture of Mulligan Security by its portfolio company, Security Services Holdings LLC, known as Protos Security. Protos, a prominent tech-enabled security services provider in North America, completed the sale to Allied Universal on July 3, 2025. This strategic move is aligned with Protos' ambition to intensify investment in its core managed services platform, heightening its technological and operational capabilities. By shedding Mulligan Security, Protos aims to refine its customer service experience, leveraging data-driven strategies and superior technology. This step underscores Protos' commitment to scalability and innovation in delivering security solutions, supported by Southfield Capital's guidance.
Sectors
- Private Equity
- Security Services
- Business Services
Geography
- United States – The transaction and companies involved primarily operate within North America, with Protos Security providing services across the continent.
Industry
- Private Equity – Southfield Capital Advisors is a private equity firm involved in the transaction, highlighting its role in investment and divestment strategies.
- Security Services – Protos Security operates within the security industry, providing tech-enabled managed services, and was the entity divesting Mulligan Security.
- Business Services – Southfield Capital invests in business service companies, indicating the industry focus of the portfolio company, Protos Security.
Financials
- Not Disclosed – The financial terms of the divestiture transaction were not disclosed in the article.
Participants
| Name | Role | Type | Description |
|---|---|---|---|
| Protos Security | Target Company | Company | A tech-enabled managed services provider focusing on security solutions in North America, responsible for divesting Mulligan Security. |
| Mulligan Security | Divested Entity | Company | A subsidiary of Protos Security, involved in the transaction as the divested entity. |
| Allied Universal | Buyer | Company | A company that acquired Mulligan Security from Protos Security. |
| Southfield Capital Advisors | Private Equity Firm | Company | The private equity firm that owns Protos Security and supported the strategic divestiture. |
| Mark Hjelle | CEO of Protos Security | Person | Provided insights on Protos' strategic focus following the divestiture. |
| Brandon Pinderhughes | Partner at Southfield Capital | Person | Commented on the strategic importance of the divestiture for Protos. |