Company lists · Data refreshed September 2026

Top 25 Series c startups based in the United States

RevenueBase identified 90 company matches for series c startups associated with the United States as of September 2026 and tracks 1,464 professional contacts across them, including 393 with verified work emails. San Francisco is the largest hub.

This list covers company matches for series c startups associated with the 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 22, 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 22, 2026 How this list was built
90Companies
1,464Contacts tracked
393Verified emails
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The 25 largest series c startups based in the United States

Ranked by team size
Top 25 of 90 company matches for series c startups based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchSan Francisco, CA, United StatesHQ recorded Sep 22, 2026n/a321 contacts →

Exact match

“The Alchemist Accelerator is a venture-backed initiative focused on accelerating the development of seed-stage ventures that monetize from enterprises (not consumers).”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchMenlo Park, CA, United StatesHQ recorded Sep 22, 202651-200111 contacts →

Exact match

“Greylock was founded in 1965, one of the few venture firms that predates Silicon Valley.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchPalo Alto, CA, United StatesHQ recorded Sep 22, 202611-50102 contacts →

Exact match

“DTC invests in determined early-stage founders who push the envelope on technology innovation for the enterprise, connecting them to the capital, expertise, and customers they…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 22, 202651-20099 contacts →

Exact match

“Remedy Product Studio is an AI-native product studio with a venture arm.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 202651-20097 contacts →

Exact match

“The Band of Angels is Silicon Valley's oldest seed funding organization.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 202611-5068 contacts →

Exact match

“https://susaventures.com/”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 202611-5047 contacts →

Exact match

“Crosslink, founded in 1989, is a premier early-stage venture capital firm with over $4.2B in assets.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 22, 2026n/a46 contacts →

Exact match

“645 Ventures is an early-stage venture capital firm that partners with exceptional founders who are building iconic companies.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchPalo Alto, CA, United StatesHQ recorded Sep 22, 202611-5035 contacts →

Exact match

“Defining the future of venture.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 202611-5032 contacts →

Exact match

“We set the standard in seed stage venture capital, backing founders with grit, audacity, and a spark of rebellion.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchPalo Alto, CA, United StatesHQ recorded Sep 22, 202611-5025 contacts →

Exact match

“Based in Palo Alto, CA, Icon Ventures is a specialty venture capital firm focused on leading series B or C financings.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 202611-5018 contacts →

Exact match

“GreatPoint Ventures is an early-stage venture capital firm founded by entrepreneurs and operators who've built companies cumulatively worth $300 billion.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchPortola Valley, CA, United StatesHQ recorded Sep 22, 202611-5018 contacts →

Exact match

“Shasta is an early-stage venture capital firm with over a billion dollars under management.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchMinneapolis & Boulder, CO, United StatesHQ recorded Sep 22, 20261-1016 contacts →

Exact match

“We invest where innovative ideas, huge markets and, most importantly, amazing entrepreneurs strike.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 20261-1014 contacts →

Exact match

“Bullpen Capital invests in early-stage companies that have achieved product-market fit but are overlooked for no good reason.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 22, 20261-1014 contacts →

Exact match

“We provide seed funding to exceptional entrepreneurs looking for a partner to help solve the challenges that accompany rapid growth.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchBoston, MA, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
18Exact matchRichmond, VA, United StatesHQ recorded Sep 22, 20261-1010 contacts →

Exact match

“Thesis - NRV embraces high growth companies led by exceptional teams.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchWestminster, CO, United StatesHQ recorded Sep 22, 20261-108 contacts →

Exact match

“Access Venture Partners is Colorado-based venture capital firm investing in innovative early-stage technology companies in growing venture states.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchAnaheim, CA, United StatesHQ recorded Sep 22, 20261-108 contacts →

Exact match

“At Collinear Capital, we’re redefining how enterprise technology thrives by unlocking the untapped potential of individual consultants, systems integrators, and enterprise…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchPalo Alto, CA, United StatesHQ recorded Sep 22, 202611-507 contacts →

Exact match

“Tenaya Capital is a leading early growth technology focused venture capital fund.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchSan Francisco, United StatesHQ recorded Sep 22, 20261-107 contacts →

Exact match

“Cherryrock Capital provides Series A and B financing to transformative software companies changing the future led by underinvested founders.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 20261-107 contacts →

Exact match

“B37 Ventures is a Silicon Valley Venture Capital firm.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact match100% Virtual, United StatesHQ recorded Sep 22, 20261-107 contacts →

Exact match

“Beta Boom is a pre-seed and seed fund that leads investments in tenacious, original founders solving complex problems in enterprise, healthcare, cybersecurity, and future of work.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 20261-107 contacts →

Exact match

“Since 2013, Haystack has made approximately 290 pre-seed or seed-stage investments, of which (after proactively marking down our portfolios in 2022), we have over 60 companies…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 90 series c startups based in the United States

See the full list, filter by size, metro and specialty, and access 393 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Series c startups based in the United States at a glance

As of Sep 22, 2026
26.8%Verified-email coverage
16.3Average contacts per company
1-10Median size (employees)
18.9%Largest-city concentration · San Francisco
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
68
11-50
18
51-200
3
201-500
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 90 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 the United States whose business descriptions match “series c startups” 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 393 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 22, 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 “series c startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many series c startups are there based in the United States?

RevenueBase identified 90 company matches for series c startups associated with the 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?

Alchemist Accelerator tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most series c startups?

San Francisco leads with 17 company records, followed by New York (15) and Palo Alto (7).

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 393 professional contacts with verified work emails tracked across these 90 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 22, 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.