Company lists · Data refreshed September 2026
Top 25 Early-stage venture capital firms based in Boston, United States
RevenueBase identified 117 early-stage venture capital firms headquartered in Boston, United States as of September 2026 and tracks 1,739 professional contacts across them, including 667 with verified work emails. San Francisco is the largest hub.
This list covers early-stage venture capital firms headquartered in Boston, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest early-stage venture capital firms based in Boston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 211 contacts → | ||||
Indirect evidence “Battery invests in potentially cutting-edge, category-defining businesses in markets including application software, IT infrastructure technologies, consumer-internet and mobile…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 113 contacts → | ||||
Indirect evidence “We discover, launch and build great companies based on bold ideas that meet at the intersection of science, strategy, business and medicine – where transformational science meets…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 109 contacts → | ||||
Strong evidence “FA Technology Ventures is an independent, established venture capital firm.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 75 contacts → | ||||
Strong evidence “Underscore VC is a Boston-based venture capital firm backing bold B2B software entrepreneurs at pre-Seed and Seed.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 63 contacts → | ||||
Partial evidence “Volition Capital is a growth equity firm established in 2010 that focuses on investing in high-growth, founder-owned technology businesses across the U.S.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 60 contacts → | ||||
Partial evidence “At Optum Ventures, we look for exceptional teams with data-driven technologies and services that are poised to deeply disrupt the status quo.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 55 contacts → | ||||
Indirect evidence “Exceptional entrepreneurs.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 54 contacts → | ||||
Strong evidence “Clean Energy Ventures is a venture capital firm focused on investing in companies commercializing disruptive advanced energy technologies and business model innovations that can…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 45 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 41 contacts → | ||||
Indirect evidence “We back just a few fast-moving, founder-led B2B startups each year.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 38 contacts → | ||||
Strong evidence “M33 Growth is a venture and growth stage investment firm that seeks to partner with founders and CEOs to rapidly scale their companies and break through as industry leaders.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 38 contacts → | ||||
Strong evidence “PJC is an early-stage venture capital firm focused on investing in, supporting, and building relationships with entrepreneurs who are creating the future.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 36 contacts → | ||||
Strong evidence “Venture Guides is an early-stage infrastructure software investment firm with a unique team based approach that has resulted in over 80% of portfolio companies generating positive…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 34 contacts → | ||||
Strong evidence “Firm overview Mendoza Ventures is an early-stage and growth venture fund based in Boston.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 27 contacts → | ||||
Strong evidence “Elephant is a venture capital firm focused on investing in fast-growing, capital-efficient technology companies.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 21 contacts → | ||||
Strong evidence “EO Ventures invests in early-stage businesses that increase opportunity in America.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 21 contacts → | ||||
Partial evidence “January Ventures is a VC fund focused on angel/pre-seed in the US & Europe.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 19 contacts → | ||||
Partial evidence “We are a venture studio building and investing in transformative companies across ed tech, AI, consumer products, and B2B SaaS.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 15 contacts → | ||||
Indirect evidence “Our Culture: At MMV, we’re a team of fair, dedicated investors and operators who put integrity, collaboration, and teamwork at the forefront of what we do.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 15 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 14 contacts → | ||||
Strong evidence “Cue Ball is a venture capital firm built on a distinct, human capital-centric philosophy.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 14 contacts → | ||||
Strong evidence “An early-stage venture firm defining the future of business solutions.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 13 contacts → | ||||
Strong evidence “LiquidMetal Ventures is a Boston based, early-stage focused venture capital fund focusing on Energy & Sustainability, Biotech & Healthcare and AI & Robotics, with a mission…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 12 contacts → | ||||
Strong evidence “Brewer Lane Ventures is an early-stage fintech and insurtech venture capital firm based in Boston.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 12 contacts → | ||||
Indirect evidence “FoundersEdge is a data-driven pre-seed fund investing in exceptional founders using technology to change the world.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: early-stage venture capital firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names early-stage venture capital firms.
- Partial evidence
- Its own public description names part of early-stage venture capital firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name early-stage venture capital firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 117 early-stage venture capital firms based in Boston, United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 667 reachable decision-makers.
Free signup · no credit card
Early-stage venture capital firms based in Boston, United States at a glance
As of Sep 14, 2026Companies by employee count
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 117 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among early-stage venture capital firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Boston, United States whose own description of what they do matches “early-stage venture capital firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names early-stage venture capital firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among early-stage venture capital firms, and records with no verified work email. Companies headquartered outside Boston are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 667 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Early-stage venture capital firms by metro in the United States
- Early-stage venture capital firms in San Francisco482
- Early-stage venture capital firms in New York454
- Early-stage venture capital firms in Palo Alto154
- Early-stage venture capital firms in Los Angeles135
- Early-stage venture capital firms in Boston117
- Early-stage venture capital firms in Chicago109
- Early-stage venture capital firms in Austin93
- Early-stage venture capital firms in Menlo Park85
- Early-stage venture capital firms in Miami72
- Early-stage venture capital firms in Dallas53
- Early-stage venture capital firms in Houston53
- Early-stage venture capital firms in Atlanta52
- Early-stage venture capital firms in Washington51
- Early-stage venture capital firms in New York City47
- Early-stage venture capital firms in Cambridge42
- Early-stage venture capital firms in San Diego40
- Early-stage venture capital firms in Seattle40
- Early-stage venture capital firms in Denver36
- Early-stage venture capital firms in Santa Monica33
- Early-stage venture capital firms in Philadelphia27
- Early-stage venture capital firms in Salt Lake City27
- Early-stage venture capital firms in San Jose26
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names early-stage venture capital firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many early-stage venture capital firms are there based in Boston, United States?
RevenueBase identified 117 early-stage venture capital firms headquartered in Boston, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Battery Ventures, headquartered in Boston, tops this list with the largest team on record.
Which city has the most early-stage venture capital firms?
San Francisco leads with 482 headquartered companies, followed by New York (454) and Palo Alto (154).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 667 verified decision-maker contacts tracked across these 117 companies.
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.
Ready to reach these companies? Verified emails and direct dials for all 117 early-stage venture capital firms based in Boston, United States. Start with a free account, no credit card.
Download this list →Related lists
Early-stage venture capital firms by geography
- Early-stage venture capital firms based in Montreal, Canada
- Early-stage venture capital firms based in Toronto, Canada
- Early-stage venture capital firms based in Vancouver, Canada
- Early-stage venture capital firms based in Berlin, Germany
- Early-stage venture capital firms based in Hamburg, Germany
- Early-stage venture capital firms based in Munich, Germany
- Early-stage venture capital firms based in Bangalore, India
- Early-stage venture capital firms based in Bengaluru, India
- Early-stage venture capital firms based in Gurgaon, India
- Early-stage venture capital firms based in Gurugram, India
- Early-stage venture capital firms based in Hyderabad, India
- Early-stage venture capital firms based in Mumbai, India
Browse the directory
Browse: Companies home · Early-stage venture capital firms in United States · All United States lists · All Early-stage venture capital firms lists · New lists
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 Smart Search, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Early-stage venture capital firms based in Montreal, Canada
- Early-stage venture capital firms based in Toronto, Canada
- Early-stage venture capital firms based in Vancouver, Canada
- Early-stage venture capital firms based in Berlin, Germany
- Early-stage venture capital firms based in Hamburg, Germany
- Early-stage venture capital firms based in Munich, Germany