Company lists · Data verified August 2026

Top 25 Blockchain security firms based in the United States

Name: Blockchain security 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 164 companies tracked

There are 164 blockchain security firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 2,100 professional contacts across them, including 670 with verified work emails and 435 with mobile numbers. New York is the largest hub.

This list covers blockchain security 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.

164Companies

2,100Contacts tracked

670Verified emails

435Mobile numbers

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The 25 largest blockchain security firms based in the United States

Ranked by team size

Top 25 of 164 blockchain security 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	TRM Labs	San Francisco, CA	201-500	338	182
2	Certik	New York, NY	201-500	196	60
3	Openzeppelin	Remote	51-200	125	83
4	Blockaid	New York	51-200	125	32
5	Cantina	Miami	11-50	99	16
6	Sherlock	Nyc	11-50	94	10
7	Halborn	Metaverse	51-200	82	37
8	Vertek Corporation	Burlington, VT	51-200	76	49
9	Ottersec	n/a	11-50	46	22
10	Zellic	n/a	51-200	42	23
11	Quillaudits Blockchain Security & Opsec	Dover, DE	11-50	41	2
12	Cyfrin	Boston, MA	11-50	37	12
13	Veridise	Austin, TX	11-50	25	14
14	Zeroshadow	Miami, FL	11-50	23	11
15	Herasoft	Orlando, FL	11-50	21	1
16	lockchain.ai	New York, NY	11-50	18	1
17	Guardian	New York City	11-50	14	7
18	Arcadia	Lisbon	11-50	13	1
19	Deepdive Research	New York, NY	11-50	12	7
20	MACRO	Metaverse	11-50	12	6
21	Blockframe, INC	Colorado Springs, CO	11-50	11	4
22	Failsafe	Seattle	11-50	11	3
23	Coderrect Inc. DBA Sec3	College Station, TX	11-50	10	4
24	Web3 Antivirus	DE	11-50	10	2
25	Consensys Diligence	Wilmington, DE	11-50	8	5

Showing 25 of 164 blockchain security firms based in the United States

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Blockchain security firms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 17 HQs

435Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

10001+

Blockchain security firms by metro

Metro	Companies
Blockchain security firms in New York	17
Blockchain security firms in San Francisco	10
Blockchain security firms in Austin	7
Blockchain security firms in Phoenix	4
Blockchain security firms in Wilmington	4
Blockchain security firms in Miami	4
Blockchain security firms in Lewes	4

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 “blockchain security 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; 1 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 blockchain security firms are there based in the United States?

There are 164 blockchain security firms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

TRM Labs, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most blockchain security firms?

New York leads with 17 headquartered companies, followed by San Francisco (10) and Austin (7).

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 670 verified decision-maker contacts tracked across these 164 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.