Company lists · Data verified August 2026

Top 25 Blockchain security companies based in the United States

Name: Blockchain security companies 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 212 companies tracked

There are 212 blockchain security companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 2,067 professional contacts across them, including 523 with verified work emails and 345 with mobile numbers. New York is the largest hub.

This list covers blockchain security companies 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.

212Companies

2,067Contacts tracked

523Verified emails

345Mobile numbers

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The 25 largest blockchain security companies based in the United States

Ranked by team size

Top 25 of 212 blockchain security companies 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	Sherlock	Nyc	11-50	94	10
5	Halborn	Metaverse	51-200	82	37
6	Ottersec	n/a	11-50	46	22
7	Zellic	n/a	51-200	42	23
8	Quillaudits Blockchain Security & Opsec	Dover, DE	11-50	41	2
9	Binarly	Santa Monica, CA	11-50	38	17
10	Cyfrin	Boston, MA	11-50	37	12
11	Iridia, INC	Carlsbad, CA	11-50	24	9
12	Zeroshadow	Miami, FL	11-50	23	11
13	Adoriasoft	Las Vegas, NV	11-50	22	4
14	Herasoft	Orlando, FL	11-50	21	1
15	Guardian	New York City	11-50	14	7
16	Nuarca	Woburn, MA	11-50	13	7
17	Point Solutions Security	Denver, CO	11-50	13	2
18	Arcadia	Lisbon	11-50	13	1
19	Deepdive Research	New York, NY	11-50	12	7
20	Oodles Blockchain	Sheridan, WY	201-500	12	4
21	Blockframe, INC	Colorado Springs, CO	11-50	11	4
22	Ubik Group	Miami, FL	11-50	10	3
23	Web3 Antivirus	DE	11-50	10	2
24	Consensys Diligence	Wilmington, DE	11-50	8	5
25	Smartaxiom,inc	Brea, CA	11-50	7	1

Showing 25 of 212 blockchain security companies based in the United States

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Blockchain security companies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 18 HQs

345Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

108

11-50

51-200

201-500

10001+

Blockchain security companies by metro

Metro	Companies
Blockchain security companies in New York	18
Blockchain security companies in San Francisco	12
Blockchain security companies in Austin	6
Blockchain security companies in Wilmington	6
Blockchain security companies in Miami	6
Blockchain security companies in Palo Alto	6
Blockchain security companies in Atlanta	5

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 companies”, 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; 2 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 companies are there based in the United States?

There are 212 blockchain security companies 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 companies?

New York leads with 18 headquartered companies, followed by San Francisco (12) and Austin (6).

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 523 verified decision-maker contacts tracked across these 212 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.