Mainspring Capital Partners
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Our Simple Philosophy
When committed teams and great ideas

are aligned


with smart capital and
hands-on experience,

​Big.  Things.  Happen.
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Want to learn more?   ​We'd love to talk.
Contact Us

Growth Capital that Works

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​Flexible
Capital to meet your needs - from Seed to Sale
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​Patient
No artificial timelines driving decisions
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​Experienced
Partners that have founded, built, bought and sold great companies

Who We Are 

We are a Boston-Based Provider of Private Capital to Growing Businesses

Mainspring Capital is built upon decades of entrepreneurial and investing experience.  We know what it takes to build a successful company, because we have been there.  And we also understand that you're the expert in your business.  

​What we do is fairly simple - whether you are an early stage venture looking for growth capital or a founder looking to exit, we can provide smart, flexible capital and the hands-on experience to help you achieve your goals.  

Some of Our Recent Investment Exits

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Leading provider of complex pediatric home care in the midwest

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Hospital Workflow Optimization Platform

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Leading integrated provider of service, parts and equipment for radiation oncology

The Team

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Hank Goddard

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Troy Kenyon

Some of the Companies the Mainspring Capital team has founded and/or led:

 Mainspring Healthcare Solutions
Tremont Associates
Fetch Storage

United Knife and Tool
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Contact Us

50 Milk Street
16th Floor
Boston, MA  02109
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