Company lists · Data refreshed October 2026

Top 18 Impact venture capital firms based in Boulder, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 25 companies tracked

RevenueBase identified 25 company matches for impact venture capital firms associated with Boulder, United States as of October 2026 and tracks 542 professional contacts across them, including 100 with verified work emails. Across the United States, New York is the largest hub for this category (584 companies); Boulder has 25.

This list covers company matches for impact venture capital firms associated with Boulder, 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

25Companies

542Contacts tracked

100Verified emails

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The 18 largest impact venture capital firms based in Boulder, United States

Ranked by team size

Top 18 of 25 company matches for impact venture capital firms based in Boulder, 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	Unreasonable	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	n/a	279 contacts →
	Exact match “We are an international company that supports a Fellowship for growth-stage entrepreneurs, channels exclusive deal-flow to investors, and partners with institutions to discover…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Foundry	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	11-50	75 contacts →
	Exact match “Based in Boulder, Colorado, Foundry is one of the largest networks of entrepreneurs and early-stage investors in the country.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	The Cashmere Fund	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	n/a	61 contacts →
	Exact match “The Cashmere Fund invests in companies we believe can benefit from influence to grow faster than their competitors.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Saoradh Enterprise Partners	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	11-50	18 contacts →
	Exact match “Saoradh Enterprise Partners (SEP) is a cleantech venture capital and research firm based in Boulder, Colorado.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Caruso Ventures	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	1-10	15 contacts →
	Exact match “Caruso Ventures invests in tech-enabled companies led by highly effective CEOs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Boulder Ventures	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	1-10	15 contacts →
	Exact match “Boulder Ventures is a specialty venture capital firm, investing in a niche geography, leveraging decades long relationships with proven entrepreneurs and evaluating early stage…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Massive	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	1-10	10 contacts →
	Exact match “Massive is a deep tech venture firm investing at Seed+ through Series B, backing exceptional founders at key inflection points in four foundational sectors: New Space Economy -…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	BFG Partners	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	1-10	8 contacts →
	Exact match “BFG Partners is a venture capital firm that seeks partnerships with early stage businesses across consumer product categories.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Batshit Crazy Ventures	Exact match	Boulder, United StatesHQ recorded Oct 1, 2026	1-10	7 contacts →
	Exact match “BCV is an early stage venture capital firm located in hideous Boulder, Colorado.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Mergelane	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	1-10	7 contacts →
	Exact match “Since its 2015 founding, MergeLane has invested in 44 companies and recruited a network of 300 mentors and 600 investors.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Unless	Exact match	Boulder, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “Unless is an investment firm that delivers unique insights and partnership for impact-oriented industrial entrepreneurs and limited partners.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Saddle Ridge Partners	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “Saddle Ridge Partners is a Boulder, CO-based investment firm focused on accelerating the growth of innovation and sustainability throughout the supply chain.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Black LAB X	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	11-50	3 contacts →
	Exact match “At Black Lab X, we drive the future of technology and innovation by connecting groundbreaking ideas with the resources needed to bring them to the global stage.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Noun Ventures	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “Noun is a distinctly evolved version of what an incubator or accelerator should be.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Highpoint Ventures	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Highpoint Ventures is Colorado based venture capital firm investing in early stage healthcare and technology disruptors.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Common LLC	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Do you do shit that matters?” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	v1.vc	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “V1.VC is a venture capital firm focused on early-stage internet, B2B software, consumer, financial, crypto, and deep tech companies across North America.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Break Trail Ventures	Exact match	Boulder, CO, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Break Trail Ventures is an early stage venture fund based in Columbus, OH and Boulder, CO.” 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 18 of 25 impact venture capital firms based in Boulder, United States

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

As of Oct 1, 2026

18.5%Verified-email coverage

21.7Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

Email recency for this list is measured across the whole United States list rather than for Boulder, so it is reported there. Company counts and contact totals on this page are exact for Boulder, over 25 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 Boulder, 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 100 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 Boulder, United States?

RevenueBase identified 25 company matches for impact venture capital firms associated with Boulder, 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?

Unreasonable 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). Boulder has 25.

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 100 professional contacts with verified work emails tracked across these 25 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.