Corsair | 5,040 followers on LinkedIn. Specialist investment firm offering opportunities across private markets Buyouts and Infrastructure. | Corsair is a specialist investment firm offering opportunities for investors and solutions for companies across its private markets Buyouts and Infrastructure platforms. The firm’s buyouts business is a financial services investor focused on making control investments in three verticals: Payments, Software & Business Services. The infrastructure business focuses on core plus and value-added opportunities, and blends operating platforms, deep sector expertise, and traditional equity sponsorship.