Company lists · Data verified August 2026

Top 25 Cybersecurity venture capital firms based in the United States

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 577 companies tracked

There are 577 cybersecurity venture capital firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 8,545 professional contacts across them, including 3,649 with verified work emails and 3,581 with mobile numbers. New York is the largest hub.

This list covers cybersecurity venture capital firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

577Companies

8,545Contacts tracked

3,649Verified emails

3,581Mobile numbers

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The 25 largest cybersecurity venture capital firms based in the United States

Ranked by team size

Top 25 of 577 cybersecurity venture capital firms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Guidepoint Security	Tampa, FL	1,001-5,000	1,234	809
2	Andreessen Horowitz	Menlo Park, CA	201-500	916	559
3	Securityhq	New York, NY	501-1,000	492	279
4	Deepseas	n/a	201-500	185	132
5	Cyber Advisors	Maple Grove, MN	201-500	180	112
6	Merlin Cyber	Mclean, VA	51-200	162	42
7	Accorian	East Brunswick, NJ	51-200	147	87
8	Helpsystems	Eden Prairie, MN	1,001-5,000	132	27
9	Kudu Dynamics LLC	San Antonio, TX	51-200	114	75
10	Trustedsec	Fairlawn, OH	51-200	100	72
11	Techguard Security	Ofallon, IL	51-200	81	22
12	JFL Consulting, LLC	Edgewater, MD	51-200	66	39
13	Rule 1 Ventures	Atlanta, GA	51-200	56	22
14	Cota Capital	San Francisco, CA	11-50	48	31
15	Bridges Consulting	Hanover, MD	51-200	46	3
16	Draper Associates	San Mateo, CA	11-50	45	31
17	Paladin Capital Group	Washington, DC	11-50	43	29
18	NR Labs	Tysons, VA	51-200	43	19
19	Specialized Security Services, INC	Plano, TX	51-200	42	8
20	Nightdragon	San Francisco, CA	11-50	41	13
21	Phoenix Cyber	Scottsdale, AZ	11-50	31	19
22	Elevenx Capital	Miami, FL	51-200	31	14
23	Soteria	Charleston, SC	11-50	29	22
24	Perfecta	Phoenix, AZ	51-200	29	7
25	Amplify Partners	Menlo Park, CA	11-50	28	22

Showing 25 of 577 cybersecurity venture capital firms based in the United States

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Cybersecurity venture capital firms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 33 HQs

3,581Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

386

11-50

147

51-200

201-500

501-1,000

1,001-5,000

10001+

Cybersecurity venture capital firms by metro

Metro	Companies
Cybersecurity venture capital firms in New York	33
Cybersecurity venture capital firms in San Francisco	30
Cybersecurity venture capital firms in Washington	20
Cybersecurity venture capital firms in Palo Alto	20
Cybersecurity venture capital firms in Austin	17
Cybersecurity venture capital firms in Atlanta	14
Cybersecurity venture capital firms in Los Angeles	11

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cybersecurity venture capital firms”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 6 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cybersecurity venture capital firms are there based in the United States?

There are 577 cybersecurity venture capital firms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Guidepoint Security, headquartered in Tampa, tops this list with the largest team on record.

Which city has the most cybersecurity venture capital firms?

New York leads with 33 headquartered companies, followed by San Francisco (30) and Washington (20).

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 3,649 verified decision-maker contacts tracked across these 577 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.