Company lists · Data refreshed October 2026

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

Name: Impact venture capital firms based in Boston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 112 companies tracked

RevenueBase identified 112 company matches for impact venture capital firms associated with Boston, United States as of October 2026 and tracks 1,446 professional contacts across them, including 513 with verified work emails. Across the United States, New York is the largest hub for this category (584 companies); Boston has 112.

This list covers company matches for impact 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 October 1, 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 Oct 1, 2026 How this list was built

112Companies

1,446Contacts tracked

513Verified emails

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The 25 largest impact venture capital firms based in Boston, United States

Ranked by team size

Top 25 of 112 company matches for impact venture capital firms based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	RA Capital Management	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	201-500	251 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 · Oct 1, 2026 · View company records in RevenueBase
2	FA Technology Ventures	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	n/a	109 contacts →
	Exact match “FA Technology Ventures is an independent, established venture capital firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Flare Capital Partners	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	11-50	85 contacts →
	Exact match “Flare Capital Partners is the leading healthcare technology venture capital firm advancing innovation-driven companies to improve positive health outcomes, broaden care access…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Underscore VC	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	11-50	75 contacts →
	Exact match “Underscore VC is a Boston-based venture capital firm backing bold B2B software entrepreneurs at pre-Seed and Seed.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Polaris Partners	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	11-50	55 contacts →
	Exact match “Exceptional entrepreneurs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Clean Energy Ventures	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	11-50	54 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 · Oct 1, 2026 · View company records in RevenueBase
7	Glasswing Ventures	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	11-50	45 contacts →
	Exact match “Glasswing Ventures is an early stage venture capital firm investing in the next generation of AI and frontier technology startups that are enabling the rise of the intelligent…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Companyon Ventures	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	n/a	41 contacts →
	Exact match “We back just a few fast-moving, founder-led B2B startups each year.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	PJC	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	n/a	38 contacts →
	Exact match “PJC is an early-stage venture capital firm focused on investing in, supporting, and building relationships with entrepreneurs who are creating the future.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Mendoza Ventures	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	n/a	34 contacts →
	Exact match “Firm overview Mendoza Ventures is an early-stage and growth venture fund based in Boston.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Elephant	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	11-50	27 contacts →
	Exact match “Elephant is a venture capital firm focused on investing in fast-growing, capital-efficient technology companies.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Equal Opportunity Ventures	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	1-10	21 contacts →
	Exact match “EO Ventures invests in early-stage businesses that increase opportunity in America.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	January Ventures	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	1-10	21 contacts →
	Exact match “January Ventures is a VC fund focused on angel/pre-seed in the US & Europe.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Techrupt Innovations	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	51-200	19 contacts →
	Exact match “We are a venture studio building and investing in transformative companies across ed tech, AI, consumer products, and B2B SaaS.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Spring Lane Capital	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	11-50	18 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 · Oct 1, 2026 · View company records in RevenueBase
16	Conservation Resources	Exact match	Boston, United StatesHQ recorded Oct 1, 2026	11-50	16 contacts →
	Exact match “Conservation Resources is an impact investment organization founded in 2004.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Suffolk Technologies	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	1-10	15 contacts →
	Exact match “Suffolk Technologies is a leading venture capital platform investing in ConTech, PropTech and InfraTech startups transforming the $12T built environment sector.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Saturn Partners	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	1-10	15 contacts →
	Exact match “Since 1993, Saturn has been an opportunistic investor that takes a hands-on approach to investing in proprietary seed and early stage venture capital opportunities located…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	CUE Ball Capital	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	11-50	14 contacts →
	Exact match “Cue Ball is a venture capital firm built on a distinct, human capital-centric philosophy.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Myriad Venture Partners	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	1-10	14 contacts →
	Exact match “An early-stage venture firm defining the future of business solutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Rose Park Advisors	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	11-50	14 contacts →
	Exact match “Rose Park Advisors is a specialized investment firm, co-founded by Clayton and Matthew Christensen, focused on making investments in companies whose strategies are based on…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Smith Point Capital	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	1-10	13 contacts →
	Exact match “Smith Point Capital Management, LLC is a venture capital firm redefining growth equity for the intelligent enterprise.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Asymmetric	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	1-10	13 contacts →
	Exact match “We partner with disruptive technology companies across software, marketplaces, fintech, and digital health by offering founders, early investors, and limited partners the most…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Liquidmetal Ventures	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	11-50	13 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 · Oct 1, 2026 · View company records in RevenueBase
25	Wave Equity Partners	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	11-50	12 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 · Oct 1, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “impact venture capital firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 112 impact venture capital firms based in Boston, United States

See the full list, filter by size, metro and specialty, and access 513 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Oct 1, 2026

35.5%Verified-email coverage

12.9Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 112 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 “impact 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 513 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 October 1, 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.

Impact venture capital firms by metro in the United States

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 “impact venture capital firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 112 company matches for impact venture capital firms associated with Boston, United States as of October 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 impact venture capital firms?

New York leads the United States with 584 company records, followed by San Francisco (511) and Los Angeles (182). Boston has 112.

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 513 professional contacts with verified work emails tracked across these 112 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 October 1, 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.