Forest Park In St. Louis, Missouri
Forest Park In St. Louis, Missouri

Thompson Street Capital Partners, Charterhouse Group, and Cequel III Continue Data Center Platform Expansion With the Acquisition of AdHost

ST. LOUIS (December 3, 2012)

Back to All

Thompson Street Capital Partners (TSCP) and Charterhouse Group, Inc. (Charterhouse), in partnership with Cequel III, a St. Louis-based management and investment firm, have acquired AdHost. The Seattle-based AdHost is a data center provider delivering complete server colocation, virtual cloud servers and managed server solutions via three secure, carrier-neutral data centers.

AdHost ( is an add-on acquisition to the TSCP data center platform that includes Dallas-based Colo4; Perimeter Technologies, serving the Oklahoma market via datacenters in Tulsa and Oklahoma City; and TierPoint, which operates three datacenters in the Pacific Northwest. Together the combined companies’ nine state-of-the-art datacenter facilities have more than 110,000 square feet of raised floor space, with additional room to expand.

“AdHost is an outstanding addition to our expanding data center platform,” said Bob Dunn, Managing Director, TSCP. “The acquisition of Seattle-based Adhost further cements our position as a leading provider of comprehensive data center services in the rapidly growing Pacific Northwest marketplace.”

Thompson Street Capital Partners ( is a St. Louis-based private equity firm with more than $800 million in capital under management. Founded in 2000, the firm invests in growing niche-leading service, manufacturing and distribution businesses via recapitalizations, management buyouts, corporate divestitures, family businesses in transition and take-private transactions.

Charterhouse Group ( is a private equity firm with almost four decades of experience working with entrepreneurs and building leading middle-market companies. Established in 1973, Charterhouse has invested more than $2 billion in equity and established over 100 platform companies, with a focus on executing buy-and-builds within the Healthcare Services, Business Services and Consumer Products and Services sectors.