Stout has advised Group W, Inc. (“Group W” or the “Company”) on its sale to Systems Planning & Analysis, Inc. (“SPA”), a portfolio company of Arlington Capital Partners. Stout served as exclusive financial advisor to Group W in connection with the transaction, which closed in September 2025.

Based in Vienna, Virginia, Group W has a long history of delivering the most advanced, mission critical analysis, modeling and simulation, and wargaming capabilities. Their employees use critical thinking, mathematical techniques, and high-fidelity tools to support analysts and researchers, providing critical insights to the highest levels of the DoD.

Systems Planning & Analysis (SPA) is a leading global provider of data-driven analytical insights supporting complex national security programs and defense priorities for U.S. and allied government agencies worldwide. Backed by Arlington Capital Partners, SPA’s acquisition of Group W enhances its portfolio of advanced modeling and analytic capabilities and underscores its commitment to supporting mission-critical national security objectives through innovation and technical excellence.