Ethereum smart contract
audit providers

Browse companies and individuals providing smart contract auditing services and find contact information, testimonials and more.

Audithor avatar

Audithor

Solidity

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Security

Audithor offers smart contract and blockchain technology security and performance audits, smart contract and dapp development, and digital forensics services. It is a diverse and dynamic group of professionals forming a coherent whole on a project-per-project basis.

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Authio avatar

Authio

Solidity

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ICO

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Token

Authio is a full service smart contract security firm focused on mitigating technical debt and security risk for projects building decentralized applications on Ethereum networks.

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Blockchain Labs NZ avatar

Blockchain Labs NZ

Solidity

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Security

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ICO

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Token

Successfully rolling out a new solution across platforms also entails quality assurance measures, training of staff and follow-up support. Blockchain Labs offers assistance through every stage of the process.

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ChainSafe Systems avatar

ChainSafe Systems

Solidity

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Security

ChainSafe Systems is a blockchain development shop offering research & development services as well as security auditing.

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ChainSecurity avatar

ChainSecurity

Solidity

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Security

ChainSecurity are the winners of multiple Ethereum Foundation grants and the creators of Securify, a security scanner for Ethereum smart contracts, as well as Chaincode Scanner, a security analyzing tool for hyperledger fabric smart contracts. They also offer custom tailored smart contract audits to their clients.

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Chainsulting avatar

Chainsulting

Solidity

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Web3

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Audit

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ERC721

Chainsulting is a business consulting company in the fields of Security Token Sales, Blockchain, DLT, Crowdfunding, e-payment and more. Chainsulting assists companies during and after their crowdfunding, which also includes smart contract code audits.

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Cindercloud avatar

Cindercloud

Solidity

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Security

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ICO

Cindercloud provides smart contract security auditing services, as well as development of ICOs and custom blockchain solutions.

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CoinMercenary avatar

CoinMercenary

Solidity

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Security

We help stakeholders confirm the logic, quality and security of their Ethereum smart contracts using our comprehensive and standardized smart contract audit process. Our smart contract audits combine compliance, security, a comprehensive checklist of known pitfalls and attack vectors, Solidity design patterns and best practices.

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ConsenSys Diligence avatar

ConsenSys Diligence

Security

ConsenSys is an industry leading production studio building the infrastructure, developer tools and end-user applications for blockchain ecosystems. They provide smart contract auditing services for high-impact projects as ConsenSys Diligence.

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Decenter avatar

Decenter

Solidity

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Security

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ICO

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Token

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DApp

Decenter is a team of experienced blockchain developers with a proven track record in building complex Ethereum-based DApps, such as MelonMail, Cryptographics, Cryptage and Etherships. Their smart contract audits focus on finding security issues, validating code and optimizing gas usage.

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Hacken avatar

Hacken

Solidity

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Security

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EOS

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TRON

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NEO

Hacken is a cybersecurity company doing audits of Ethereum, EOS, TRON and NEO smart contracts.

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Hashex avatar

Hashex

Solidity

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Security

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ICO

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Token

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ERC20

HashEx is an R&D company focused on blockchain integration solutions and cyber security. They also provide blockchain business consulting, smart contract development services, as well as smart contract security audits.

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HighTechBlock avatar

HighTechBlock

Solidity

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Token

Token design, blockchain development, security audits. We can help you build next generation blockchain, fintech, and cryptocurrency products.

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Hosho avatar

Hosho

Security

Hosho focuses exclusively on blockchain security services, and their work includes smart contract auditing and penetration testing. Their clients include exchanges, ICOs and other businesses leveraging Blockchain technology.

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Iosiro avatar

Iosiro

Solidity

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ICO

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Token

Iosiro aims to Identify functional and security issues in your smart contracts. They'll provide you with a comprehensive report detailing their findings, giving you the peace of mind that your code is working as intended.

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Kaspersky Lab avatar

Kaspersky Lab

Solidity

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Security

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ICO

Kaspersky Lab is the world’s largest privately held vendor of endpoint cybersecurity solutions. Performed by industry leaders, this professional security assessment service helps you identify vulnerabilities in smart-contracts.

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MENA Software avatar

MENA Software

Solidity

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Security

MENA Software is a software development and consulting company. They also provide comprehensive smart contract audits that identify security gaps and functional issues in a smart contract.

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MixBytes avatar

MixBytes

Solidity

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Security

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ICO

MixBytes is a team of programmers. They fullfill technical projects, implement blockchain technologies, write smart contracts. They conduct corporate training and open lectures.

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New Alchemy avatar

New Alchemy

Solidity

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Security

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ICO

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Token

New Alchemy is a company that offers strategy and capital solutions for their clients’ blockchain projects, as well as token design and smart contracts deployment. Their blockchain security services also include smart contract audits.

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Nomic Labs avatar

Nomic Labs

Solidity

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Security

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DApp

Nomic Labs helps early stage blockchain projects launch and secure their offerings by designing, building and auditing decentralized systems.

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Papers avatar

Papers

Solidity

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Security

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ICO

Papers is a Swiss software engineering and consulting company. Some of their services include smart contract development and audits focused on security and usability, as well as mobile security and mobile, web and DApp development.

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Quantstamp avatar

Quantstamp

Solidity

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Security

Quantstamp is a smart contract security company that is developing the Quantstamp protocol and automated security tools, and conducts manual audits. The Quantstamp protocol aims to enhance smart contract security and the reputation of projects that create smart contracts by producing openly accessible scan reports.

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QuillHash Technologies avatar

QuillHash Technologies

Solidity

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Security

QuillHash Technologies is a blockchain development company and QuillAudits is their secure smart-contract/dApp/protocol auditing platform committed to making the Blockchain ecosystem more secure.

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Scerri & Concise Ltd avatar

Scerri & Concise Ltd

Security

Compliance with business logic, M&A analysis, Security review, Trustless trust review, Ownership and gas optimization

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Security Innovation avatar

Security Innovation

Solidity

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Security

Security Innovation specializes in both security assessment and training. They are also the creators of the Security Innovation Blockchain Capture the Flag challenge.

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Solidified avatar

Solidified

Solidity

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Security

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DApp

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Token

Solidified is a community driven auditing service, with 200+ Solidity members on board, where you can set up a bug bounty for your smart contract and have multiple independent auditors work on your audit.

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ZK Labs avatar

ZK Labs

Solidity

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Security

ZK Labs provide both development and auditing services for smart contracts and projects built on the Ethereum blockchain. They recently launched a Community Audits Initiative offering to sponsor audits for select projects that have not done an ICO and don’t have plans to do one.

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Zeppelin avatar

Zeppelin

Solidity

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Security

Zeppelin are one of the creators of key standards and infrastructures for developing and operating smart contract systems, and they’re best known for their ZeppelinOS and the OpenZeppelin framework. They also provide smart contract security audits.

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