Company lists · Data refreshed September 2026

Top 25 Sustainable venture capital firms based in Boston, United States

RevenueBase identified 41 company matches for sustainable venture capital firms associated with Boston, United States as of September 2026 and tracks 746 professional contacts across them, including 329 with verified work emails. Across the United States, New York is the largest hub for this category (195 companies); Boston has 41.

This list covers company matches for sustainable venture capital firms associated with Boston, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 14, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 14, 2026 How this list was built
41Companies
746Contacts tracked
329Verified emails
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The 25 largest sustainable venture capital firms based in Boston, United States

Ranked by team size
Top 25 of 41 company matches for sustainable venture capital firms based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBoston, MA, United StatesHQ recorded Sep 14, 2026201-500251 contacts →

Exact match

“Founded in 2004, RA Capital Management is an active, multi-stage investment manager dedicated to evidence-based, science-led investing in public and private healthcare, life…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 14, 2026n/a109 contacts →

Exact match

“FA Technology Ventures is an independent, established venture capital firm.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5077 contacts →

Exact match

“Trillium Asset Management offers investment strategies and services that seek to advance humankind towards a global sustainable economy, a just society, and a better world.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
4Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5054 contacts →

Exact match

“Clean Energy Ventures is a venture capital firm focused on investing in companies commercializing disruptive advanced energy technologies and business model innovations that can…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Sep 14, 2026n/a34 contacts →

Exact match

“Firm overview Mendoza Ventures is an early-stage and growth venture fund based in Boston.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-1025 contacts →

Exact match

“MCJ is an early-stage fund for the energy and industry transition and the inevitable impacts of climate change.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-1021 contacts →

Exact match

“EO Ventures invests in early-stage businesses that increase opportunity in America.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-1021 contacts →

Exact match

“January Ventures is a VC fund focused on angel/pre-seed in the US & Europe.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5018 contacts →

Exact match

“Spring Lane Capital offers a new approach to faster growth for companies that deploy smaller-scale projects and equipment.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10Exact matchBoston, United StatesHQ recorded Sep 14, 202611-5016 contacts →

Exact match

“Conservation Resources is an impact investment organization founded in 2004.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5013 contacts →

Exact match

“LiquidMetal Ventures is a Boston based, early-stage focused venture capital fund focusing on Energy & Sustainability, Biotech & Healthcare and AI & Robotics, with a mission…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5012 contacts →

Exact match

“Founded in 2013, WAVE Equity Partners is an independent sustainability-focused private investment firm that makes investments in early-growth companies whose proven clean…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5012 contacts →

Exact match

“RockPort Capital is a multi-stage venture capital firm that invests in the areas of alternative and traditional energy, mobility, and sustainability.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-109 contacts →

Exact match

“Boston Harbor Angels, Celebrating 20 Years of Angel Investing, like a lighthouse, helps entrepreneurs navigate and grow their start-up businesses through the treacherous waters of…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-107 contacts →

Exact match

“The Lynch Foundation views giving as an investment in humanity’s potential.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-105 contacts →

Exact match

“Workshop is a Venture Studio that invests and builds alongside founders in climate and education.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-104 contacts →

Exact match

“Blindspot Ventures is a seed focused venture capital fund based in Boston, backing cross vertical infrastructure and platform technologies We partner with contrarian founders…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-504 contacts →

Exact match

“Welcome to Millennium Capital, a division of Millennium Management Corp.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-104 contacts →

Exact match

“Water Bear Ventures invests in Pre-Seed, Seed and Series A startups focused on disruptive technologies with resilient teams.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-104 contacts →

Exact match

“At Meridian, we invest in audacious founders building the next generation of durable technologies and culture that positively transform humanity.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-103 contacts →

Exact match

“AccelR8 is an investment firm investing to accelerate the transition to a decarbonized and resilient economy.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
22Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-103 contacts →

Exact match

“Founded in 2019, Evans Capital is a private investment fund focused on early-stage venture capital investments in technology, health care and other growth industries.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
23Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-102 contacts →

Exact match

“Helicase Venture is a venture capital fund based in Boston, Massachusetts.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“Climate Venture Partners is currently raising a pre-seed round for Applied Bioplastics.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
25Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“We are working towards a better economy in America, where capital protects our planet and builds wealth equitably.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

Showing 25 of 41 sustainable venture capital firms based in Boston, United States

See the full list, filter by size, metro and specialty, and access 329 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable venture capital firms based in Boston, United States at a glance

As of Sep 14, 2026
44.1%Verified-email coverage
18.2Average contacts per company
1-10Median size (employees)
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
28
11-50
12
201-500
1

Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 41 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Boston, United States whose business descriptions match “sustainable venture capital firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 329 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 14, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “sustainable venture capital firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable venture capital firms are there based in Boston, United States?

RevenueBase identified 41 company matches for sustainable venture capital firms associated with Boston, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

RA Capital Management tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most sustainable venture capital firms?

New York leads the United States with 195 company records, followed by San Francisco (134) and Los Angeles (66). Boston has 41.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 329 professional contacts with verified work emails tracked across these 41 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 14, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.