About Us

Experts in Building Leading U.S. Middle Market Distribution and Business Services Companies

We are a private equity firm that has been successfully investing in and building businesses with our management team partners since 1991.  We have completed over 180 transactions representing $19.4 billion in gross transaction value.

OUR MISSION:  Create substantial value for all of our stakeholders by investing in leading middle market companies and building them into substantially stronger, faster-growing businesses.  

HOW WE WORK:  We form collaborative, long-term partnerships with management teams to execute a shared investment thesis.  Together, we identify and execute growth and strategic initiatives that accelerate growth, make the businesses fundamentally better and lead to substantial value creation.


Our Core Values

Our History

Sterling's partners have 21 years of average tenure with the firm and lead a deep, highly experienced team of professionals.  The firm's partners and investment professionals are significant investors in our funds.  We have been working with and investing alongside exceptional management teams to build leading middle market distribution and business services companies for 30 years. The firm is led by its three Managing Partners and founders William Macey, Charles Santoro, and Douglas Newhouse who have directed the 

investment program since its inception. The senior management team has grown over time to include Senior Partner Michael Barr and Partners Joseph Gault and James Soldano.  The firm is located in Westport, Connecticut and partners closely with our management teams and approximately 17,000 portfolio company employees throughout the United States who are all an important part of our value creation process.  We are actively seeking investment opportunities that fit Sterling's investment criteria.