Real People.
Trusted Partners.

About Us

Summer Street is a private investment firm located in Buffalo, New York — building great companies across the US and Canada.

Our responsibility as your partner is to make sure that you have not only the capital, but the people, tools, and resources you need. What your company needs will be unique, but we often provide help with organizational development, customer satisfaction, lean manufacturing, and executive coaching for high performers. In many cases, our partners also benefit from our access to industry experts and thought leaders, talent recruiters, or even target customers.

About Us

Summer Street is a private investment firm located in Buffalo, New York — building great companies across the US and Canada.

Our responsibility as your partner is to make sure that you not only have the capital, but the people, processes, and tools you need. What your company needs will be unique, but we often provide help with organizational development, customer satisfaction, lean manufacturing, and executive coaching for high performers. In many cases, our partners also benefit from our access to industry experts and thought leaders, target customers, and talent recruitment.

Meet our team.

Investment Focus

Representative Investments

Let’s start a
relationship.

© 2026 Summer Street Capital Partners
© 2026 Summer Street Capital Partners