Company lists · Data refreshed September 2026
Top 25 Web3 security firms worldwide
RevenueBase identified 793 company matches for web3 security firms worldwide as of September 2026 and tracks 6,616 professional contacts across them, including 1,473 with verified work emails. The United States is the largest market and Singapore the largest hub.
This list covers company matches for web3 security firms 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 29, 2026. Country and city lists for web3 security firms 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.
The 25 largest web3 security firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 225 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 29, 2026 · View company records in RevenueBase | |||||
| 2 | 190 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 29, 2026 · View company records in RevenueBase | |||||
| 3 | 181 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 29, 2026 · View company records in RevenueBase | |||||
| 4 | 172 contacts → | ||||
Exact match “Hacken is an end-to-end blockchain security and compliance partner for digital assets.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 159 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 29, 2026 · View company records in RevenueBase | |||||
| 6 | 156 contacts → | ||||
Exact match “At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 128 contacts → | ||||
Exact match “OpenZeppelin is the security standard onchain finance is built on.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 126 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 29, 2026 · View company records in RevenueBase | |||||
| 9 | 122 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 29, 2026 · View company records in RevenueBase | |||||
| 10 | 107 contacts → | ||||
Exact match “HackenProof is an expert bug bounty and crowdsourced security marketplace helping companies find, validate, and fix vulnerabilities before exploitation.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 105 contacts → | ||||
Exact match “Quicknode simplifies blockchain for teams big and small.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 99 contacts → | ||||
Exact match “The first marketplace for web3 security.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 94 contacts → | ||||
Exact match “Sherlock secures the systems powering the onchain economy.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 86 contacts → | ||||
Exact match “The U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 84 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 29, 2026 · View company records in RevenueBase | |||||
| 16 | 79 contacts → | ||||
Exact match “Industry-leading formal verification tools & smart contract audits.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 78 contacts → | ||||
Exact match “Hypernative detects and neutralizes Web3 threats in real time.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 67 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 29, 2026 · View company records in RevenueBase | |||||
| 19 | 67 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 66 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 29, 2026 · View company records in RevenueBase | |||||
| 21 | 64 contacts → | ||||
Exact match “Horizen Labs was founded in 2019 to secure the world’s transition to web3 by building enterprise-grade blockchains and web3 products for the real-world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 59 contacts → | ||||
Exact match “Spearbit is a network of world-class security researchers protecting financial and blockchain infrastructure.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 56 contacts → | ||||
Exact match “UD is the pioneer blockchain and security solutions provider in Hong Kong.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 54 contacts → | ||||
Exact match “Qualysec Technologies is a CREST accredited cybersecurity organization specializing in advanced VAPT.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 47 contacts → | ||||
Exact match “Kaleido is an award-winning, enterprise-grade Web3 platform making blockchain and digital assets radically simple for organizations to adopt.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “web3 security firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 793 web3 security firms worldwide
See the full list, filter by size, metro and specialty, and access 1,473 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Web3 security firms worldwide at a glance
As of Sep 29, 2026Companies by employee count
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 web3 security firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “web3 security firms” 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 1,473 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 29, 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.
Web3 security firms by location
5 lists · largest firstEvery Web3 security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Web3 security firms based in the United States139
- Web3 security firms based in India77
- Web3 security firms based in the United Kingdom38
- Web3 security firms based in the United Arab Emirates34
Cities
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 “web3 security firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many web3 security firms are there worldwide?
RevenueBase identified 793 company matches for web3 security firms 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 web3 security firms?
The United States leads with 139 companies, followed by India (77) and the United Kingdom (38). Every web3 security firms list by country and city is linked on this page.
Which city has the most web3 security firms?
Singapore leads with 31 company records, followed by Dubai (26) and London (21).
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 1,473 professional contacts with verified work emails tracked across these 793 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 793 web3 security firms worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 web3 security firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 793 matching company records for web3 security firms worldwide, with 6,616 tracked contacts and 1,473 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 web3 security firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Nriセキュアテクノロジーズ株式会社 NRI Securetechnologies, LTDnri-secure.co.jpHQ: 千代田区, JapanReported employees: 501-1,000 | 千代田区, Japan | 501-1,000 | Exact match | 225 contacts → |
“NRIITNRI NRI SecureTechnologies is a global service provider of next-generation Managed Security Services, cutting-edge Blockchain Security Solutions, and Consulting Services with…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Certikcertik.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 190 contacts → |
“CertiK is the largest Web3 security services provider, founded in December 2017 in New York by two professors from Yale and Columbia University.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Code4renacode4rena.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 181 contacts → |
“Code4rena is the leading smart contract security marketplace, run by a 25-person team operating remotely.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Hacken, Blockchain Security & Compliancehackenio.ccHQ: Tallinn City, EstoniaReported employees: 51-200 | Tallinn City, Estonia | 51-200 | Exact match | 172 contacts → |
“Hacken is an end-to-end blockchain security and compliance partner for digital assets.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Immunefiimmunefi.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 159 contacts → |
“Immunefi is the leading onchain crowdsourced security platform, working with ground-breaking protocols such as Chainlink, Ethereum Foundation, Optimism, Arbitrum, and many more.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Payatupayatu.comHQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 156 contacts → |
“At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Openzeppelinopenzeppelin.comHQ: Remote, United StatesReported employees: 51-200 | Remote, United States | 51-200 | Exact match | 128 contacts → |
“OpenZeppelin is the security standard onchain finance is built on.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Blockaidblockaid.ioHQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 126 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Codezeroscodezeros.comHQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 122 contacts → |
“At Codezeros, we're obsessed with pushing the limits of what's possible in the blockchain space.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Hackenproofhackenproof.comHQ: Tallinn, EstoniaReported employees: 51-200 | Tallinn, Estonia | 51-200 | Exact match | 107 contacts → |
“HackenProof is an expert bug bounty and crowdsourced security marketplace helping companies find, validate, and fix vulnerabilities before exploitation.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Quicknodequicknode.comHQ: Miami, United StatesReported employees: 51-200 | Miami, United States | 51-200 | Exact match | 105 contacts → |
“Quicknode simplifies blockchain for teams big and small.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cantinacantina.xyz HQ: Miami, United StatesReported employees: 11-50 | Miami, United States | 11-50 | Exact match | 99 contacts → |
“The first marketplace for web3 security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Sherlocksherlock.xyzHQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 94 contacts → |
“Sherlock secures the systems powering the onchain economy.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  VIAsolvewithvia.comHQ: Somerville, MA, United StatesReported employees: 51-200 | Somerville, MA, United States | 51-200 | Exact match | 86 contacts → |
“The U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Halbornhalborn.comHQ: Metaverse, United StatesReported employees: 51-200 | Metaverse, United States | 51-200 | Exact match | 84 contacts → |
“Halborn is the leader in enterprise blockchain security & risk solutions for top global financial services firms.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Certoracertora.com HQ: Tel Aviv, IsraelReported employees: 51-200 | Tel Aviv, Israel | 51-200 | Exact match | 79 contacts → |
“Industry-leading formal verification tools & smart contract audits.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Hypernativehypernative.ioHQ: Herzeliya, IsraelReported employees: 51-200 | Herzeliya, Israel | 51-200 | Exact match | 78 contacts → |
“Hypernative detects and neutralizes Web3 threats in real time.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Quantstamp, INCquantstamp.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 67 contacts → |
“Quantstamp is a global leader in blockchain security, on a mission to secure the future of web3.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Settlemint Indiasettlemint.comHQ: HQ not recordedReported employees: 11-50 | HQ not recorded | 11-50 | Exact match | 67 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Bitscrunchbitscrunch.com HQ: Vaduz, LiechtensteinReported employees: 11-50 | Vaduz, Liechtenstein | 11-50 | Exact match | 66 contacts → |
“AI-enhanced Decentralized Data Analytics & Forensics Protocol | Blockchain Police | Backed by @coinbase @animocabrands @chainlink | Partners @mastercard @EY For queries, drop us…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Horizen Labshorizenlabs.ioHQ: Austin, United StatesReported employees: 51-200 | Austin, United States | 51-200 | Exact match | 64 contacts → |
“Horizen Labs was founded in 2019 to secure the world’s transition to web3 by building enterprise-grade blockchains and web3 products for the real-world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Spearbit Labsspearbit.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 59 contacts → |
“Spearbit is a network of world-class security researchers protecting financial and blockchain infrastructure.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  UD Blockchainud.hkHQ: Kowloon, Hong KongReported employees: 51-200 | Kowloon, Hong Kong | 51-200 | Exact match | 56 contacts → |
“UD is the pioneer blockchain and security solutions provider in Hong Kong.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Qualysec Beyond Cybersecurityqualysec.comHQ: Bhubaneswar, IndiaReported employees: 51-200 | Bhubaneswar, India | 51-200 | Exact match | 54 contacts → |
“Qualysec Technologies is a CREST accredited cybersecurity organization specializing in advanced VAPT.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Kaleidokaleido.ioHQ: Raleigh, NC, United StatesReported employees: 51-200 | Raleigh, NC, United States | 51-200 | Exact match | 47 contacts → |
“Kaleido is an award-winning, enterprise-grade Web3 platform making blockchain and digital assets radically simple for organizations to adopt.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 793 company matches
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Web3 security firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
793 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 793 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Web3 security firms by location
5 lists · largest firstEvery Web3 security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Web3 security firms based in the United States139
- Web3 security firms based in India77
- Web3 security firms based in the United Kingdom38
- Web3 security firms based in the United Arab Emirates34
Cities
Questions about this company list
What does Exact match mean for web3 security firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many web3 security firms did RevenueBase find worldwide?
The saved snapshot records 793 matching company records, 6,616 tracked contacts and 1,473 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 web3 security firms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/web3-security-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 web3 security firms worldwide
RevenueBase records 793 matching company records for web3 security firms worldwide, with 6,616 tracked contacts and 1,473 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 web3 security firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Nriセキュアテクノロジーズ株式会社 NRI Securetechnologies, LTDnri-secure.co.jp HQ: 千代田区, JapanReported employees: 501-1,000 | 千代田区, Japan | 501-1,000 | Exact match | 225 contacts → |
“NRIITNRI NRI SecureTechnologies is a global service provider of next-generation Managed Security Services, cutting-edge Blockchain Security Solutions, and Consulting Services with…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Certikcertik.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 190 contacts → |
“CertiK is the largest Web3 security services provider, founded in December 2017 in New York by two professors from Yale and Columbia University.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Code4renacode4rena.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 181 contacts → |
“Code4rena is the leading smart contract security marketplace, run by a 25-person team operating remotely.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hacken, Blockchain Security & Compliancehackenio.cc HQ: Tallinn City, EstoniaReported employees: 51-200 | Tallinn City, Estonia | 51-200 | Exact match | 172 contacts → |
“Hacken is an end-to-end blockchain security and compliance partner for digital assets.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Immunefiimmunefi.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 159 contacts → |
“Immunefi is the leading onchain crowdsourced security platform, working with ground-breaking protocols such as Chainlink, Ethereum Foundation, Optimism, Arbitrum, and many more.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Payatupayatu.com HQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 156 contacts → |
“At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Openzeppelinopenzeppelin.com HQ: Remote, United StatesReported employees: 51-200 | Remote, United States | 51-200 | Exact match | 128 contacts → |
“OpenZeppelin is the security standard onchain finance is built on.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Blockaidblockaid.io HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 126 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Codezeroscodezeros.com HQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 122 contacts → |
“At Codezeros, we're obsessed with pushing the limits of what's possible in the blockchain space.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hackenproofhackenproof.com HQ: Tallinn, EstoniaReported employees: 51-200 | Tallinn, Estonia | 51-200 | Exact match | 107 contacts → |
“HackenProof is an expert bug bounty and crowdsourced security marketplace helping companies find, validate, and fix vulnerabilities before exploitation.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Quicknodequicknode.com HQ: Miami, United StatesReported employees: 51-200 | Miami, United States | 51-200 | Exact match | 105 contacts → |
“Quicknode simplifies blockchain for teams big and small.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cantinacantina.xyz HQ: Miami, United StatesReported employees: 11-50 | Miami, United States | 11-50 | Exact match | 99 contacts → |
“The first marketplace for web3 security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sherlocksherlock.xyz HQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 94 contacts → |
“Sherlock secures the systems powering the onchain economy.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | VIAsolvewithvia.com HQ: Somerville, MA, United StatesReported employees: 51-200 | Somerville, MA, United States | 51-200 | Exact match | 86 contacts → |
“The U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Halbornhalborn.com HQ: Metaverse, United StatesReported employees: 51-200 | Metaverse, United States | 51-200 | Exact match | 84 contacts → |
“Halborn is the leader in enterprise blockchain security & risk solutions for top global financial services firms.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Certoracertora.com HQ: Tel Aviv, IsraelReported employees: 51-200 | Tel Aviv, Israel | 51-200 | Exact match | 79 contacts → |
“Industry-leading formal verification tools & smart contract audits.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hypernativehypernative.io HQ: Herzeliya, IsraelReported employees: 51-200 | Herzeliya, Israel | 51-200 | Exact match | 78 contacts → |
“Hypernative detects and neutralizes Web3 threats in real time.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Quantstamp, INCquantstamp.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 67 contacts → |
“Quantstamp is a global leader in blockchain security, on a mission to secure the future of web3.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Settlemint Indiasettlemint.com HQ: HQ not recordedReported employees: 11-50 | HQ not recorded | 11-50 | Exact match | 67 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Bitscrunchbitscrunch.com HQ: Vaduz, LiechtensteinReported employees: 11-50 | Vaduz, Liechtenstein | 11-50 | Exact match | 66 contacts → |
“AI-enhanced Decentralized Data Analytics & Forensics Protocol | Blockchain Police | Backed by @coinbase @animocabrands @chainlink | Partners @mastercard @EY For queries, drop us…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Horizen Labshorizenlabs.io HQ: Austin, United StatesReported employees: 51-200 | Austin, United States | 51-200 | Exact match | 64 contacts → |
“Horizen Labs was founded in 2019 to secure the world’s transition to web3 by building enterprise-grade blockchains and web3 products for the real-world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Spearbit Labsspearbit.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 59 contacts → |
“Spearbit is a network of world-class security researchers protecting financial and blockchain infrastructure.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | UD Blockchainud.hk HQ: Kowloon, Hong KongReported employees: 51-200 | Kowloon, Hong Kong | 51-200 | Exact match | 56 contacts → |
“UD is the pioneer blockchain and security solutions provider in Hong Kong.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Qualysec Beyond Cybersecurityqualysec.com HQ: Bhubaneswar, IndiaReported employees: 51-200 | Bhubaneswar, India | 51-200 | Exact match | 54 contacts → |
“Qualysec Technologies is a CREST accredited cybersecurity organization specializing in advanced VAPT.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Kaleidokaleido.io HQ: Raleigh, NC, United StatesReported employees: 51-200 | Raleigh, NC, United States | 51-200 | Exact match | 47 contacts → |
“Kaleido is an award-winning, enterprise-grade Web3 platform making blockchain and digital assets radically simple for organizations to adopt.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 793 company matches
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Web3 security firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
793 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 793 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Web3 security firms by location
5 lists · largest firstEvery Web3 security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Web3 security firms based in the United States139
- Web3 security firms based in India77
- Web3 security firms based in the United Kingdom38
- Web3 security firms based in the United Arab Emirates34
Cities
Questions about this company list
What does Exact match mean for web3 security firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many web3 security firms did RevenueBase find worldwide?
The saved snapshot records 793 matching company records, 6,616 tracked contacts and 1,473 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 web3 security firms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/web3-security-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗