Company lists · Data verified August 2026

Top 25 Blockchain security auditors based in the United States

Name: Blockchain security auditors 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 85 companies tracked

There are 85 blockchain security auditors headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 1,314 professional contacts across them, including 368 with verified work emails and 189 with mobile numbers. New York is the largest hub.

This list covers blockchain security auditors 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.

85Companies

1,314Contacts tracked

368Verified emails

189Mobile numbers

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The 25 largest blockchain security auditors based in the United States

Ranked by team size

Top 25 of 85 blockchain security auditors 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	Certik	New York, NY	201-500	196	60
2	Openzeppelin	Remote	51-200	125	83
3	Blockaid	New York	51-200	125	32
4	Cantina	Miami	11-50	99	16
5	Sherlock	Nyc	11-50	94	10
6	Halborn	Metaverse	51-200	82	37
7	Zellic	n/a	51-200	42	23
8	Quillaudits Blockchain Security & Opsec	Dover, DE	11-50	41	2
9	Cyfrin	Boston, MA	11-50	37	12
10	Veridise	Austin, TX	11-50	25	14
11	Zeroshadow	Miami, FL	11-50	23	11
12	Herasoft	Orlando, FL	11-50	21	1
13	Zksecurity	New York	11-50	17	9
14	Guardian	New York City	11-50	14	7
15	Olympix	New York, NY	1-10	13	9
16	MACRO	Metaverse	11-50	12	6
17	Failsafe	Seattle	11-50	11	3
18	Coderrect Inc. DBA Sec3	College Station, TX	11-50	10	4
19	Web3 Antivirus	DE	11-50	10	2
20	Consensys Diligence	Wilmington, DE	11-50	8	5
21	Firewall	San Francisco, CA	1-10	8	4
22	Hexagate	New York	11-50	7	5
23	Allsecure	Sheridan, WY	1-10	5	1
24	Harpie	New York, NY	1-10	4	1
25	Sourcehat	Arlington, VA	11-50	3	2

Showing 25 of 85 blockchain security auditors based in the United States

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Blockchain security auditors based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 11 HQs

189Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

10001+

Blockchain security auditors by metro

Metro	Companies
Blockchain security auditors in New York	11
Blockchain security auditors in Austin	7
Blockchain security auditors in San Francisco	3
Blockchain security auditors in Miami	3
Blockchain security auditors in Atlanta	3
Blockchain security auditors in Wilmington	3
Blockchain security auditors in Washington	2

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 auditors”, 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 auditors are there based in the United States?

There are 85 blockchain security auditors headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Certik, headquartered in New York, tops this list with the largest team on record.

Which city has the most blockchain security auditors?

New York leads with 11 headquartered companies, followed by Austin (7) and San Francisco (3).

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 368 verified decision-maker contacts tracked across these 85 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.