Arlington Capital Partners completes acquisition of Exostar from Thoma Bravo

Nov. 20, 2023
The Exostar Platform accelerates the digital transformation initiatives of nearly 200,000 companies worldwide.

WASHINGTON, D.C., HERNDON, Va. and SAN FRANCISCO – [November 20, 2023] – Arlington Capital Partners (“Arlington”), a Washington, DC-area private equity firm, today announced that it has completed its proposed acquisition of Exostar, LLC (“Exostar”), from Thoma Bravo, a leading software investment firm.

“We are excited to begin Exostar’s next chapter as we continue to expand our leading platform for secure business collaboration,” said Richard Addi, Chief Executive Officer and President of Exostar. “Arlington’s directly relevant focus, experience, network, and support will strengthen our team and advance our mission to make The Exostar Platform the solution of choice for our target markets and our rapidly growing customer communities. We very much appreciate the thoughtful, strategic support we have received from Thoma Bravo that has helped us transform our company and solidify our position.”

“Building digital trust and sharing information seamlessly, securely, and compliantly is a growing necessity for companies globally and has made Exostar’s portfolio of products more critical than ever,” said Michael Lustbader, a Managing Partner at Arlington Capital Partners. “We look forward to utilizing our domain knowledge in highly regulated industries to build on Exostar’s leadership position and accelerate their growth trajectory through a focus on innovation and enhanced customer value.”

“The team at Exostar have been excellent partners, and we are very proud of the many accomplishments under our ownership, which include making substantial investments in the product platform, accelerating revenue and earnings growth, and improving the customer experience,” said Carl Press, a Partner at Thoma Bravo. “We wish Richard and the team every success as they begin their partnership with Arlington.”

Exostar is a leading cloud-based secure business collaboration software provider serving highly regulated industries including aerospace and defense, healthcare and life sciences, and banking, financial services, and insurance. The Exostar Platform accelerates the digital transformation initiatives of nearly 200,000 companies worldwide and helps them mitigate risk and compliantly protect sensitive information and intellectual property as they engage with their global communities of customers, partners, and suppliers.

Gibson, Dunn & Crutcher LLP served as legal advisor and Shea & Company served as financial advisor to Arlington Capital Partners. Kirkland & Ellis LLP served as legal advisor and Aeris Partners LLC served as the exclusive financial advisor to Thoma Bravo.