In the News

Security Services Holdings LLC (dba Protos Security), the leading tech-enabled vendor managed services security provider in North America, announces that it has acquired Summit Off Duty. Protos Security is a portfolio company of Southfield Capital and adding Summit to the portfolio expands the service offering and value to its customer base. The transaction closed on March 1, 2024.

September 26, 2023 – Protos Security recently attended the Global Security Exchange (GSX) 2023 Conference in Dallas, TX. On the show floor, Dan Arnold, our Senior Vice President of National Operations, had the opportunity to participate in an interview with Ben Thomas, host of MarketScale.

June 29, 2023 – The International Supply Chain Protection Organization (ISCPO) announced that Protos Security has joined as the organization’s preferred vendor partner as ISCPO continues to support its members and the supply chain security community.

April 3, 2023 – Security Services Holdings, LLC (dba Protos Security), the leading technology-enabled managed services platform in North America delivering an integrated suite of physical and technology-based security services to commercial customers, announced it has hired Michael Jacobs as Chief Operating Officer, effective immediately.

February 28, 2023 – Mulligan Security, a Protos Company, is pleased to announce that Chris Fitzpatrick has been named as President of the company. Chris will assume responsibilities of Kevin Mulligan, Founder and President of Mulligan Security, who will transition to serve as a Strategic Advisor to Mulligan effective immediately.

October 26, 2022 – Security Services Holdings, LLC (dba Protos Security), the leading technology-enabled managed services platform in North America delivering an integrated suite of physical and technology-based security services to commercial customers, announced today that its Board of Directors has appointed Mark Hjelle as Chief Executive Officer and a member of the Board, effective immediately.

October 13, 2022 – Security Services Holdings LLC (dba Protos Security), the leading tech-enabled managed security services provider in North America, announces that it has acquired Blue Star Security. Protos Security, a portfolio company of Southfield Capital, expands its service offering and the value to its customer base with the acquisition of Blue Star Security.

September 14, 2022 – Protos Security recently attended the Global Security Exchange (GSX) 2022 Conference in Atlanta. GSX is a premier event for the security industry and is hosted by ASIS International, the world’s largest membership organization for security management professionals.

September 13, 2022 – Security Services Holdings LLC (dba Protos Security), the leading tech-enabled managed services security guarding provider in North America, announces that it has acquired MG Security Services. Protos Security is a portfolio company of Southfield Capital and adding MG Security Services to its offering expands Protos’ presence across the East Coast.

August 30, 2022 – Security Services Holdings LLC (dba Protos Security), the leading tech-enabled managed services security guarding provider in North America, announces that it has acquired ControlByNet. Protos Security is a portfolio company of Southfield Capital and adding ControlByNet expands the service offering and value to its customer base.

March 7, 2022 – The Loss Prevention Foundation (LPF) has announced the selection of its newest board members to assist in governing and providing strategic direction for the Foundation.

October 5, 2021 – Security Services Holdings LLC (dba Protos Security), the leading tech-enabled managed services security guarding provider in North America, announces that it has acquired Off Duty Services, Inc. and its U.S. and Canadian subsidiaries (ODS).

May 5, 2021 – Protos Security, in partnership with The Loss Prevention Foundation, Axis Communications and ThinkLP, recently hosted a webinar on the future of loss prevention. The webinar is now available to watch on-demand.

April 12, 2021 – Security Services Holdings, LLC (dba Protos Security), the leading tech-enabled security services company in North America, has completed a major rebrand to reflect the organization’s continued expansion as well as its service first culture.

January 5, 2021 – Security Services Holdings, LLC (dba Protos Security), the leading tech-enabled security services company in North America, announces that it has acquired Mulligan Security. Protos is a portfolio company of Southfield Capital. Mulligan’s founder and senior leadership team will remain in their existing roles post-close.

December 29, 2020 – Security Services Holdings, LLC (dba Protos Security), the leading tech-enabled security services company in North America, announces an expansion of its leadership team with the hiring of Peter Platten as Senior Vice President of Sales & Strategic Accounts.

October 15, 2020 – Security Services Holdings, LLC (dba Protos Security), the leading tech-enabled security services company in North America, announces an expansion of its marketing efforts with the hiring of Alyssa Wilson as Vice President of Marketing and Michelle Sell as Director of Digital Marketing.

September 2, 2020 – Security Services Holdings, LLC (dba Protos Security), the leading tech-enabled security services company in North America, announced that Kris Vece has been promoted to Vice President, Strategic Account Management.

April 30, 2020 – TalkLP.com Podcast Hosts Amber Bradley and Dave Thompson launch their first episode in a new series called, “Real Solutions to Real Problems.” This industry is chock full of valuable solution providers that can help us solve real challenges.

August 27, 2019 – Southfield Capital, a premier lower middle market private equity firm, announced today that Protos Security (“Protos”), a tech-enabled managed security services provider, has completed its strategic acquisition of Security Resources (“SRI” or the “Company”), a leading US-based managed security services and direct guard solutions provider.