About
MCJ Collective is a Boston-based venture capital firm founded in 2019, specializing in early-stage investments in climate solutions. The firm focuses on startups involved in carbon removal, climate adaptation, and decarbonization technologies. With investments typically ranging from $500,000 to $5 million, MCJ Collective supports companies from Pre-Seed to Series A funding rounds. The firm emphasizes a community-driven approach, leveraging a wide network of founders, industry experts, and investors to foster growth in its portfolio. MCJ Collective has backed over 80 companies in the climate tech sector and is committed to driving the transition to cleaner and more resilient industries. Its latest fund, MCJ 2023, aims to raise $125 million to continue supporting innovative climate solutions.
Investment criteria
Pre-seed
Invests
Seed
Invests
Series A
Invests
Series B
β
Growth
β
- Sectors
- Climate, Energy & UtilitiesVenture Capital & Private Equity
- Geographies
- United States
- Round role
- Leads and co-leads rounds
Highlights
Highlights coming soon
Notable work and milestones will show up here.

