M33 Growth
Overview
M33 Growth is a venture and growth-stage investment firm that partners with founders and CEOs of bootstrapped B2B software, healthcare, and services companies in North America. The firm provides hands-on support, focusing on fueling sales and marketing, driving strategic acquisitions, and building value through data assets to help companies scale and become market leaders.
Portfolio Companies
22
Website
m33growth.comInvestments
| Company | Date | Stage | Lead |
|---|---|---|---|
| W Energy Software | Dec 2021 | Private Equity | Co-investor |
| SwiftComply | Jan 2025 | Growth Equity | Lead |
| PerformLine | May 2021 | Growth Equity | Lead |
| Rosnet | Aug 2025 | Growth Equity | Lead |
| GoDocs | Aug 2021 | Growth Equity | Lead |
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Key People
Brian Shortsleeve
Co-Founder & Managing Director
Ryan Kubacki
Operating Partner
Meghan Curtis
Vice President
Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is M33 Growth based?
M33 Growth is headquartered in Boston, Massachusetts, United States.
When was M33 Growth founded?
Founding year information for M33 Growth is not publicly available.
How many portfolio companies does M33 Growth have?
M33 Growth has 22 portfolio companies in Caplight's dataset.
What are some companies in M33 Growth's portfolio?
Portfolio companies visible on Caplight include W Energy Software, SwiftComply, PerformLine, Rosnet, GoDocs.
What was M33 Growth's most recent investment shown here?
M33 Growth's most recent investment in this portfolio sample was in Rosnet in 2025.
What sectors does M33 Growth focus on?
M33 Growth focuses on Healthcare & Life Sciences, Healthcare & Life Sciences, Healthcare & Life Sciences, Enterprise Software, Enterprise Software, Healthcare & Life Sciences, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, FinTech, FinTech, Energy & Sustainability, Enterprise Software, Mobility, Transportation & Logistics, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Healthcare & Life Sciences, Mobility, Transportation & Logistics, Frontier & Industrial Tech, Enterprise Software, Enterprise Software, Frontier & Industrial Tech, Energy & Sustainability, FinTech, Consumer & Commerce, Enterprise Software, Energy & Sustainability, Frontier & Industrial Tech, Real Estate & PropTech, Energy & Sustainability, Enterprise Software, Consumer & Commerce, Consumer & Commerce, Frontier & Industrial Tech, Real Estate & PropTech, Enterprise Software.
What company stages does M33 Growth focus on?
Stage focus information for M33 Growth is not publicly available.
What is M33 Growth's AUM?
M33 Growth's assets under management are estimated between $780.0M and $862.0M.