WEST PALM BEACH, Fla., Sept. 9, 2025 /PRNewswire/ — Security 101, a portfolio company of Gemspring Capital and a national provider of comprehensive commercial security solutions, announced today the acquisition of Dorrian Properties LLC (“Dorrian Properties”), a long-standing franchise partner with operations in both Pittsburgh and Philadelphia. This transaction marks Security 101’s 18th strategic acquisition, further expanding its footprint in two key Northeast markets.
Founded in 2016 by industry veterans Michael and Emily Dorrian, Dorrian Properties has built a reputation for delivering seamless, enterprise-level security ecosystems. The company specializes in consolidating fragmented solutions and providing advanced integration services, serving as a trusted partner to higher education institutions and other complex verticals across Pennsylvania.
“Dorrian Properties has been an exceptional operator within the Security 101 network for nearly a decade,” said Greg Daly, CEO of Security 101. “Their unwavering focus on customer success, combined with deep expertise in higher education, makes this a natural and exciting addition to our corporate platform. By aligning their local strengths with our national resources, we see significant opportunities to accelerate growth in both Pittsburgh and Philadelphia.”
As part of the transition, Michael Dorrian will serve as General Manager, overseeing Security 101’s operations in both markets.
“We are proud of what we’ve built in Pittsburgh and Philadelphia and are thrilled to embark on this next chapter with Security 101,” said Michael Dorrian. “The trust our customers place in us has always been rooted in consistent results. With Security 101’s platform and resources behind us, we are confident in our ability to deliver the same reliability while scaling to meet growing demand.”
The acquisition underscores Security 101’s strategy of expanding through both franchise conversions and independent integrator partnerships. As the company’s footprint expands across the United States, strategic transactions such as Dorrian Properties enable Security 101 to better support enterprise clients with growing regional footprints, multi-site operations, and heightened security requirements, all under a unified national brand.
About Security 101
Security 101 is a national provider of integrated security solutions to a diversified set of commercial customers across multiple end markets, including healthcare, education, financial, and government, among others. The company delivers a full-service offering of security services and products including the design, installation, and maintenance of access control, video surveillance, intrusion detection, visitor management, and managed service solutions. Founded in 2005 and based in West Palm Beach, FL, Security 101 has over 50 locations in the U.S. For more information, visit: www.security101.com.
About Gemspring Capital
Gemspring Capital, a Westport, Connecticut-based private equity firm with $3.8 billion of capital under management, provides flexible capital solutions to middle market companies. Gemspring partners with talented management teams and takes a partnership approach to helping drive revenue growth, value creation, and sustainable competitive advantages. Target companies have up to $2 billion in revenue and are in the business services, consumer services, financial and insurance services, healthcare, industrial, software, and tech-enabled services sectors. For more information, visit www.gemspring.com.
Contact: Alex Shakibnia, [email protected]
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SOURCE Gemspring Capital
