Smart Contracts Audit and Security

Ackee Blockchain

Ackee Blockchain is a team of auditors and white hat hackers who perform security audits and assessments for Ethereum and Solana.

Blockchain Consilium

Blockchain Consilium is a Smart Contract Security Auditor that specializes in DeFi (Decentralized Finance), NFT (Non-Fungible Tokens), ERC20 Tokens and Crowdsale smart contract auditing. With 96 audits completed and $2.55Bn+ secured, Blockchain Consilium offers an unmatched experience of professional smart contract auditing services.

Blockchain Labs NZ

Over the last two years Blockchain Labs security & audit team have worked with a wide range of token/DApp projects performing security audits, defect analysis, gas optimization, best practice, and architecture advice to ensure robust smart contracts and platforms pre and post-ICO.


Securing the DeFi ecosystem


Code is Law. And bad code can indulge corrupt behavior. At BlockSoftLab we audit Smart Contracts: detect vulnerabilities and fix defects in order to ensure they fully comply with the business logic.

Bloqchain Audit

Bloqchain Science builds secure decentralized systems within your enterprise using blockchain-based ledgers, identity solutions, streaming money, tokenization, and smart contracts creation and audit.  Our AuditScience business line is based on our blockchain security expertise. 10% of Crowdfunding Money have been hacked or Stollen. Investment funds only consider digital asset offerings if the smart contracts have been audited. Our engineers have been audited more than $500 million in digital assets.


Ready for Lift-Off? Professional smart contract audits and expert software development by experienced engineers, turning your problems into solutions. Start today!

Callisto Network

Full service security audit for Solidity Smart contracts and DApps. Review the architecture of your smart contract, detect vulnerabilities, and ensure full compliance with the business logic.


CertiK is a blockchain and smart contract verification platform founded by Yale and Columbia University professors and former senior software engineers from Google and Facebook. CertiK aims at using DeepSpec techniques to build certified smart contracts and blockchain ecosystems that are bug-free and hacker-resistant.


ChainSecurity develops tools and provides services to ensure every blockchain project is secure.


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. With over 50 Clients worldwide Chainsulting is one of the leader in the field of Blockchain development and security.


Providing professional security auditing and penetration testing services for exchanges, blockchains, contracts, wallets, mining pools and other blockchain projects.

CM Blockchain Security Center

As part of list company Cheetah Mobile(NYSE:CMCM), CM Blockchain Security Center dedicate to provide security solution to blockchain industry, which ranges from the security of smart contract, Wallet, public chain, exchange, etc.


Coinbae focuses on fast, reliable, and affordable smart contract audits for new and experienced projects.


Security flaws, errors and inefficiencies can cost you a lot when deploying Smart Contracts to the Blockchain. We help companies optimize their Smart Contract’s code.


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.


Coinspect is a team of professionals with more than 20 years of information security experience working in decentralized systems security since 2014. Coinspect has contributed to protect key decentralized technologies and services  by auditing, reporting vulnerabilities, and proposing improvements for new blockchain implementations, smart contracts, dapps, mobile apps, hardware wallets, smart contract compilers, DeFi systems, and exchanges.

Composable Security

They've already helped dozens of projects keep their products and systems secure. They believe that security should be adapted to each stage of development, security should be composable to the best suits visionary needs.

ConsenSys Diligence

As one of the oldest teams in the space, ConsenSys Diligence is at the cutting edge of offensive cryptography, blockchain technology, and cryptoeconomic incentive analysis.


Cyfrin is smart contract auditing company focused on scaling all of web3 security. 


CyStack is a cybersecurity company in Vietnam. They have provide security audit for Cellframe quantum-resistant layer-1 network and many other smart contracts. 


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 service provides you with an in-depth analysis of every aspect of a smart contract, including security testing, business logic review and gas usage optimization, all done through meticulous manual code review based on the latest best practices in the blockchain industry.


EtherAuthority aims to be a top-notch smart contract development and security service provider. The company is of Indian origin serving since 2018.

Experfy : Smart Contract Audit

Experfy provides comprehensive and standardized audits of smart contracts through rigorous independent reviews. First, the smart contract is verified against our library of known issues that we have seen come up in dozens of reviews. Second, Experfy validate that your contract is performing the logic it was intended to and there are no security issues. 


Hacken team analyses the smart contract’s functionality and performs all necessary checks against known vulnerabilities. Basic security audit includes manual codebase audit by Hacken consultants and automated tools security audit.