Company lists · Data refreshed September 2026

Top 25 Blockchain security consultants worldwide

RevenueBase identified 1,139 company matches for blockchain security consultants worldwide as of September 2026 and tracks 7,155 professional contacts across them, including 1,508 with verified work emails. The United States is the largest market and Dubai the largest hub.

This list covers company matches for blockchain security consultants worldwide, 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 27, 2026. Country and city lists for blockchain security consultants follow the table.

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 27, 2026 How this list was built
1,139Companies
7,155Contacts tracked
1,508Verified emails
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The 25 largest blockchain security consultants worldwide

Ranked by team size
Top 25 of 1,139 company matches for blockchain security consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 match千代田区, JapanHQ recorded Sep 27, 2026501-1,000225 contacts →

Exact match

“NRIITNRI NRI SecureTechnologies is a global service provider of next-generation Managed Security Services, cutting-edge Blockchain Security Solutions, and Consulting Services with…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500190 contacts →

Exact match

“CertiK is the largest Web3 security services provider, founded in December 2017 in New York by two professors from Yale and Columbia University.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchUnited StatesHQ recorded Sep 27, 2026n/a181 contacts →

Exact match

“Code4rena is the leading smart contract security marketplace, run by a 25-person team operating remotely.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchTallinn City, EstoniaHQ recorded Sep 27, 202651-200172 contacts →

Exact match

“Hacken is an end-to-end blockchain security and compliance partner for digital assets.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchUnited StatesHQ recorded Sep 27, 2026n/a159 contacts →

Exact match

“Immunefi is the leading onchain crowdsourced security platform, working with ground-breaking protocols such as Chainlink, Ethereum Foundation, Optimism, Arbitrum, and many more.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchRemote, United StatesHQ recorded Sep 27, 202651-200128 contacts →

Exact match

“OpenZeppelin is the security standard onchain finance is built on.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchNew York, United StatesHQ recorded Sep 27, 202651-200126 contacts →

Exact match

“Blockaid is the onchain security platform trusted by chains, protocols, wallets, exchanges, banks, and digital asset managers to understand and secure what matters most.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchAhmedabad, IndiaHQ recorded Sep 27, 202651-200122 contacts →

Exact match

“At Codezeros, we're obsessed with pushing the limits of what's possible in the blockchain space.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchMiami, United StatesHQ recorded Sep 27, 202611-5099 contacts →

Exact match

“The first marketplace for web3 security.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchNew York, United StatesHQ recorded Sep 27, 202611-5094 contacts →

Exact match

“Sherlock secures the systems powering the onchain economy.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchMetaverse, United StatesHQ recorded Sep 27, 202651-20084 contacts →

Exact match

“Halborn is the leader in enterprise blockchain security & risk solutions for top global financial services firms.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchTel Aviv, IsraelHQ recorded Sep 27, 202651-20079 contacts →

Exact match

“Industry-leading formal verification tools & smart contract audits.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-20067 contacts →

Exact match

“Quantstamp is a global leader in blockchain security, on a mission to secure the future of web3.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchn/a11-5067 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchVaduz, LiechtensteinHQ recorded Sep 27, 202611-5066 contacts →

Exact match

“AI-enhanced Decentralized Data Analytics & Forensics Protocol | Blockchain Police | Backed by @coinbase @animocabrands @chainlink | Partners @mastercard @EY For queries, drop us…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchUnited StatesHQ recorded Sep 27, 2026n/a59 contacts →

Exact match

“Spearbit is a network of world-class security researchers protecting financial and blockchain infrastructure.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchKowloon, Hong KongHQ recorded Sep 27, 202651-20056 contacts →

Exact match

“UD is the pioneer blockchain and security solutions provider in Hong Kong.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Sep 27, 202611-5045 contacts →

Exact match

“Originally independent security researchers, our team has a proven track record in both web3 and traditional security.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchNigeriaHQ recorded Sep 27, 202611-5043 contacts →

Exact match

“Convexity leads in Blockchain Solutions and Products.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchHo Chi Minh, VietnamHQ recorded Sep 27, 202611-5042 contacts →

Exact match

“Since 2017, Verichains has been a pioneer and leading blockchain security firm in APAC, with extensive expertise in security, cryptography and core blockchain technology.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchDubai, CA, United Arab EmiratesHQ recorded Sep 27, 202651-20042 contacts →

Exact match

“SECURING NETWORKS | PROTECTING DATA Since 2011, ITSEC has been a trailblazer in cybersecurity, leading the way in delivering top-tier information security solutions to…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchDover, DE, United StatesHQ recorded Sep 27, 202611-5041 contacts →

Exact match

“QuillAudits provides end-to-end security for digital-asset platforms, including tokenisation frameworks, stablecoins, custody flows, and blockchain infrastructure.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchSydney, AustraliaHQ recorded Sep 27, 202611-5040 contacts →

Exact match

“Sigma Prime specialises in information security, blockchain, and system design.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchUnited StatesHQ recorded Sep 27, 202651-20040 contacts →

Exact match

“Zellic specializes in securing emerging technologies.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchBoston, MA, United StatesHQ recorded Sep 27, 202611-5039 contacts →

Exact match

“Cyfrin is a company dedicated to bringing institutional-level smart contract security audits, tools, education, and certifications to the world's most targeted protocols…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 1,139 blockchain security consultants worldwide

See the full list, filter by size, metro and specialty, and access 1,508 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Blockchain security consultants worldwide at a glance

As of Sep 27, 2026
21.1%Verified-email coverage
6.3Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · Dubai
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
722
11-50
343
51-200
56
201-500
14
501-1,000
1
10001+
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for blockchain security consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “blockchain security consultants” 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. 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 1,508 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 27, 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.

Blockchain security consultants by location

5 lists · largest first

Every Blockchain security consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “blockchain security consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many blockchain security consultants are there worldwide?

RevenueBase identified 1,139 company matches for blockchain security consultants worldwide 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?

Nriセキュアテクノロジーズ株式会社 NRI Securetechnologies, LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most blockchain security consultants?

The United States leads with 204 companies, followed by India (90) and the United Kingdom (59). Every blockchain security consultants list by country and city is linked on this page.

Which city has the most blockchain security consultants?

Dubai leads with 35 company records, followed by London (34) and Singapore (34).

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 1,508 professional contacts with verified work emails tracked across these 1,139 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 27, 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.