Best Smart Contract Audit Companies
List of Top Smart Contract Auditing Companies
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Quantstamp is the leader in blockchain security. We secured blockchain applications that manage over $200 billion dollars worth of digital assets for the best projects in the space including OpenSea, ETH2.0, Solana, and Maker. We are securing the financial infrastructure of tomorrow. We are a remote 1st company spread across 5 continents and 16 countries. ... read Quantstamp reviews & insights
$25 - $49/hr2 - 9Vancouver, CanadaExperet in what they do
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Founded in December 2017 by professors of Columbia and Yale, CertiK is the largest Web3 security service provider, based in New York. With a highly skilled technical team, CertiK stands out for its exceptional expertise in formal verification technology and AI applications, offering a wide range of products and services that span the entire lifecycle ... read Certik reviews & insights
$50 - $99/hr250 - 9992017NYC, New YorkWhy Certik?
- High quality products
- Experienced professional team
- Strong industry experience
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Security is critical in the blockchain space. Our comprehensive smart contract audit service helps everyone from startups to enterprises launch and maintain their Ethereum blockchain applications. Our industry-leading suite of blockchain security analysis tools, combined with hands-on review from our veteran smart contract auditors, ensures that your Ethereum application is ready for launch and built to ... read Consensys Diligence reviews & insights
$25 - $49/hr10 - 492017Brooklyn, New YorkWhy Consensys Diligence?
- Transparent communication and reporting
- Affordable pricing with high quality
- Customized solutions
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Since 2017, ChainSecurity works with top-tier DeFi protocols, research institutions, central banks, and large organizations. ChainSecurity builds trust within the blockchain ecosystem, and makes it secure for established organizations, governments and blockchain companies alike. We provide blockchain security services such as smart contract audits, audits of new blockchains and DLTs, architecture recommendations and much more.
$25 - $49/hr10 - 492017Zurich, SwitzerlandWhy ChainSecurity?
- Customized solutions for every client
- On-time delivery and reliable support
- Affordable pricing with high quality
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Runtime Verification Inc. is a startup company aimed at using runtime verification-based techniques to perform security audits on virtual machines and smart contracts on public blockchains. It is dedicated to using its dynamic software analysis approach to improve the safety, reliability, and correctness of software systems in the blockchain field. For the time being, blockchain ... read Runtime Verification reviews & insights
$25 - $49/hr10 - 492010Moab, UtahWhy Runtime Verification?
- Experienced and dedicated team
- On-time delivery and reliable support
- Strong focus on client satisfaction
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Our team of experts has been securing complex decentralized networks & applications since 2017. We work with bluechip web3 projects, fortune 100 companies and disruptive startups building multimillion-dollar economies. We conduct a thorough line-by-line security audit of your project ensuring it conforms to the latest standards and is immune to both common and uncommon attack vectors, ... read Omniscia reviews & insights
$25 - $49/hr10 - 492021Brussels, BelgiumWhy Omniscia?
- Proven results and data-driven strategies
- Customized solutions for every client
- Affordable pricing with high quality
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Founded in 2018, Beosin is now a world-leading blockchain security and compliance solutions company with its formal verification technology and on-chain data intelligent analysis technology. We have discovered more than 45,000 security vulnerabilities, and accumulated over 4.7 billion of wallet address labels with special focus on Asian regions. Beosin's business covers smart contract security audits, ... read Beosin reviews & insights
$50 - $99/hr50 - 2492018Singapore, SingaporeWhy Beosin?
- Transparent communication and reporting
- Affordable pricing with high quality
- Fast and reliable service
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Cyfrin is a company dedicated to bringing institutional-level smart contract security audits, tools, education, and certifications to the world's most targeted protocols, institutions, and organizations. Home to some of the top smart contract security researchers, Cyfrin offers industry-leading blockchain security and education services chosen by the biggest decentralized protocols, organizations, and infrastructure providers.
$25 - $49/hr10 - 492023Naples, FloridaWhy Cyfrin?
- Transparent communication and reporting
- On-time delivery and reliable support
- Strong focus on client satisfaction
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Zokyo is built by practitioners who have been shaping blockchain security since the earliest days of the industry. In 2016, Hartej Sawhney co-founded Hosho, widely recognized as the world's first blockchain security company. He also introduced HoshoCon, the first conference dedicated to blockchain security - creating a place for researchers, builders, and security engineers to ... read Zokyo reviews & insights
$25 - $49/hr10 - 492018Dubai, UAEWhy Zokyo?
- Transparent communication and reporting
- Experienced professional team
- Commitment to quality
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Hacken is a trusted blockchain security auditor on a mission to make Web3 a safer place. With a team of 60+ certified engineers, Hacken provides solutions covering all aspects of blockchain security, such as Smart Contract Audit, Blockchain Protocol Audit, dApp Audit, Penetration Testing, CCSS Audit, Proof of Reserves, Tokenomics Audit and design. From security ... read Hacken reviews & insights
$200 - $300/hr50 - 2492017Tallinn, Estonia -
Halborn is one of the most trusted names in blockchain security, dedicated to securing the future of blockchain-powered projects worldwide. Our expert team of smart contract auditors, penetration testers, and offensive security engineers has a proven track record of safeguarding prominent players in the thriving crypto ecosystem, including industry leaders like Coinbase, Polygon, and Solana. ... read Halborn reviews & insights
$25 - $49/hr50 - 2492019Miami, FloridaWhy Halborn?
- Affordable pricing with high quality
- Customized solutions
- Commitment to quality
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PeckShield was founded in 2018 by former Qihoo 360 Chief Scientist Xuxian Jiang, and major investors include Gaorong Capital. Team members are based in Hangzhou, Beijing, and San Francisco, and consist of seasoned security professionals and senior researchers from world-leading security groups at companies such as Qihoo 360, Microsoft, Intel, Juniper, and Alibaba, etc. PeckShield ... read PeckShield reviews & insights
$25 - $49/hr10 - 492018Beijing, ChinaWhy PeckShield?
- Experienced professional team
- Customized solutions
- Commitment to quality
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SlowMist is a threat intelligence firm specializing in blockchain ecosystem security, established in January 2018. The firm was started by a team with over ten years of network security experience to become a global force. Our goal is to make the blockchain ecosystem as secure as possible for everyone. We are now a renowned international ... read Slowmist reviews & insights
$25 - $49/hr10 - 492018Singapore, SingaporeWhy Slowmist?
- Fast and reliable service
- On-time delivery and reliable support
- Commitment to quality
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Founded in 2015, OpenZeppelin is the world leader in securing blockchain applications and smart contract systems. Its bedrock open source Contract Libraries are a public good and industry standard for smart contract development. OpenZeppelin’s professional expertise, unified with the Defender developer security platform, integrates through clients’ development lifecycles, so teams can plan, code, audit, deploy ... read OpenZeppelin reviews & insights
$50 - $99/hr50 - 2492015London, United KingdomWhy OpenZeppelin?
- Affordable pricing with high quality
- Trusted by many customers
- Customized solutions
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Since 2012, Trail of Bits has helped secure some of the world's most targeted organizations and devices. We combine high-end security research with a real-world attacker mentality to reduce risk and fortify code. We help our clientele — ranging from Facebook to DARPA — lead their industries. Their dedicated security teams come to us for ... read Trail of Bits reviews & insights
$25 - $49/hr50 - 2492012NYC, New YorkWhy Trail of Bits?
- Fast and reliable service
- On-time delivery
- Strong industry experience
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Zurfage Analytics is a strategic consulting and digital growth firm helping companies scale through data-driven strategy, performance marketing, AI solutions and business optimization. We work with startups and established brands to improve positioning, acquisition systems and long-term profitability.
$50 - $99/hr2 - 92025Newark, New JerseyWhy Zurfage Analytics?
- Data-driven strategic decision making
- Performance-focused growth execution
- Transparent and measurable business results
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