Mainspring Capital

Mainspring Capital is a Boston-based venture capital firm specializing in providing flexible capital to growing businesses. With decades of entrepreneurial and investing experience, they understand the challenges of building a successful company and offer smart, flexible capital along with hands-on experience to help achieve business goals. Their investment approach is straightforward, catering to early-stage ventures seeking growth capital or founders looking to exit.

The firm's investment strategy encompasses a wide range of stages, including Seed, Early Stage, Series A, Series B, Growth, Late Stage, and Pre-IPO. They focus on sectors such as Technology, Enterprise Software, and Infrastructure, primarily within the United States. Mainspring Capital is committed to providing tailored financing solutions that align with the unique needs of each client, ensuring that no artificial timelines drive their investment decisions.

Mainspring Capital's team comprises experienced professionals who have founded, built, bought, and sold successful companies. Their hands-on approach and deep understanding of the entrepreneurial journey enable them to offer valuable guidance and support to portfolio companies. This expertise, combined with their flexible capital solutions, positions Mainspring Capital as a trusted partner for businesses aiming to achieve significant growth and success.