
The private equity firm Arlington Capital Partners on Tuesday said it has agreed to acquire the enterprise collaboration company Exostar from the private equity firm Thoma Bravo. Terms of the deal were not disclosed. Exostar is based in Northern Virginia and has 225 employees. About 60 percent of Exostar’s customers are in the aerospace and defense industry, which aligns with Arlington Capital’s focus on government regulated industries. Exostar and Arlington Capital have complementary focus areas in aerospace, defense, government services,…