Top 10 Smart Contract Audit Companies


    Smart contract audits play a crucial role in ensuring blockchain-based applications’ security, reliability, and functionality. However, smart contracts are still digital products; once deployed, they cannot be edited or manipulated. 

    Roughly half of the smart contracts go unaudited, resulting in data breaches and fraud. So, smart contract auditing is a must to ensure that smart contracts are bug-free and error-free. Many smart contract auditing companies review and check your smart contracts, identify flaws, and correct them before deploying.

    After thorough research, we have come up with the top 10 smart contract audit companies that utilize the latest tools and technologies to test and audit smart contracts. 

    Stating Some Facts 

    • In 2021, Poly Network lost $611 billion due to an attack on smart contracts compromised in three blockchains: BSC, Polygon, and Ethereum.
    • In 2022, over $1.25 billion was estimated to be lost due to security breaches tied to 33 smart contracts.

    10 Best Smart Contract Auditors

    Suffescom, RisingMax & Hashlock are top top smart contract auditors worldwide. Read this blog to see top 10 smart contract audit companies.

    Suffescom Solutions Inc

    Suffescom is a leading smart contract auditing company specializing in providing DeFI audit services and solutions to its clients worldwide. The company offers cutting-edge DeFI audit solutions to free your smart contracts from bugs and errors. From extensive audit reports, smart contract fuzzing, and security test cases, to post-refactor audits, the company conducts thorough testing of smart contract codes. 

    The company has successfully helped over 1200 clients with its high-end solutions and services. Along with DeFi auditing, the company offers crypto wallet development audit services, web3 website audit, token audit, smart contract audit, web3 application audit, and dApp audit services. With over 750+ experts on board, the company has completed over 50 blockchain-based projects. Moreover, they have received a 4.9/5 rating on Clutch, demonstrating its quality solutions for its clients globally.

    • Founded: 2013
    • Hourly Rate: $25 – $49 / hr
    • Employees: 250-999

    RisingMax Inc.

    RisingMax Inc. is a top-rated NYC-based smart contract audit services provider company. Started in 2011, the company takes pride in offering highly reliable and scalable smart contact services to its clientele worldwide. They have successfully served over 500 clients in different business domains, establishing them as a trusted business partner. Besides smart contract development and audit, they offer dApp development, DeFi, NFT marketplace, IT consulting, and others.

    Leveraging its domain expertise, they offer more cost-effective smart contract audit services than any other companies on our list. Proven domain knowledge and hands-on development experience empower them to ensure error-free audit and deployment of the smart contract. Positive reviews & ratings on Clutch and Google make them worth mentioning on our list of top 10 smart contract audit companies.

    • Founded: 2011
    • Hourly Rate: $25 – $49 / hr
    • Employees: 250-999


    Hashlock is a full-cycle provider of IT services focusing on cutting-edge blockchain technologies. The company has over two years of experience creating cutting-edge, sector-specific software products that its users proudly use. The company knows what is required to create cutting-edge blockchain solutions that perform better than its clients and customers. 

    The company’s substantial management expertise and excellent technical capabilities enable it to provide Web3 smart contract creation services on time and under budget. Through their highly qualified blockchain professionals, they provide their clients with a comprehensive range of project management services. 

    • Founded: 2021
    • Hourly Rate: $100 – $149 / hr
    • Employees: 10-49


    Hacken is a top-notch smart contract audit company that was founded in 2017 by high-level specialists to facilitate cybersecurity. Their smart contract development services help reduce the weaknesses present in smart contracts and enhance overall functionality. The company has around 1000+ protected clients, 60+ top-class engineers, and 180+ ecosystem partners. They have partnered with 800+ blockchain companies like CoinGecko, Avalanche, KuCoin,, etc.

    The company’s smart contract auditing services apply to decentralized exchanges, DeFi Platforms, Crypto Wallets, NFT Marketplaces, gaming & virtual Worlds, and more. They have also been rated third among the top 5 leading cybersecurity firms and have built partnerships with nearly 70+ brands.

    • Founded: 2017
    • Hourly Rate: Undisclosed
    • Employees: 10-49


    Matellio is a reputed blockchain development company with vast experience in developing smart contract solutions. Their audit smart contract development services include deep analysis of smart contract codes that detects ineffective coding and security vulnerabilities. Founded in 2012, they have more than a decade of experience in offering innovative software solutions to their clients.

    Matellio has a team of top experts, including project managers, analysts, software testers, blockchain developers, designers, data science engineers, and more. Their customer support executives are available every time, providing round-the-clock services to their clients. Till now, they have 200+ employees onboard and charge around $25 – $49 / hr.

    • Founded: 2012
    • Hourly Rate: $25 – $49 / hr
    • Employees: 50-99


    Quantstamp is a first-grade smart contract audit service provider company. Their developed app solution helps enterprises to get detailed analysis, identify security issues, check inefficient coding, and derive ways to solve problems. Their solution helps industries to eliminate errors before a hacker can inject malware into the system. Quantstamp can help you with automated analysis, manual analysis, audit reports, and so forth. To get a Smart contract auditing solution that can run tests, create reports, and imply agreement on terms & conditions, Quantstamp can be a reliable company.

    Quantstamp has serviced Visa, Cardano, Treasure,  Chainlink, The Sandbox, and Opera, which makes them top-tier smart contract audit companies.

    • Founded: 2017
    • Hourly Rate: $25 – $49 / hr
    • Employees: 10-49


    Beosin is another smart contract auditing company with offices in 10+ countries around the world, including Singapore, Korea, and Japan. The company covers a range of smart contract auditing services, such as asset security audits, business login audits, backdoor audits, arbitrage attack audits, code standards audits, and source code inspections. 

    To date, the company has successfully audited 3000+ smart contracts. The company has a team of 1000+ security experts with 40+ PhDs and postdocs. The company has served over 1000+ clients worldwide. Along with smart contract auditing, the company specializes in risk monitoring and alert, crypto tracing, and KYT/AML. 

    • Founded: 2003
    • Hourly Rate: Undisclosed
    • Employees: undisclosed


    This smart contract audit company was founded in 2020 and is headquartered in Delhi, India. They have over ten qualified blockchain experts on their team who charge $25-$49 to deliver their exceptional set of services. They have successfully delivered more than 50 blockchain projects ensuring overall security, contributing largely to DeFi and many other blockchain frameworks. They have worked on numerous A-level projects like Compound, Ox Protocol, dydx, Uniswap, and more. 

    • Founded: 2020
    • Hourly Rate: $25-$49/hr
    • Employees: 10+


    Consensys is a US based smart contract audit company known for providing impressive services and has an equally impressive portfolio. Having worked with Horizon Games and Keep Network, the companies Dapp testing team is renowned for being one of the best around. 

    With close to a 1000 members wordwide, the company offers diverse services including smart contract auditing, smart contract testing, automates security analysis, threat modeling and enterprise security counselling. Consensys has so far protected over 100 companies and discovered over 200 issues with its smart contract audit services. 

    • Founded: 2014
    • Hourly Rate: $50 – $99 / hr
    • Employees: 250 – 999


    QuillAudits has been around for over 4 years providing smart contract audit services to enterprises, SMEs and startups. Over its short span of working in the tech industry, the company has been able to complete over 850 auditing projects and protected over 30 Billion. 

    Its security audits is a 12 step process that starts from procuring the source code to conducting a targeted PR for your project. QuillAudits excels in providing smart contract audit services for all dApps and crypto wallets built on popular blockchains including Ethereum, Avalanche, Solana, Polygon and others. 

    • Founded: 2018
    • Hourly Rate: $25 – $49 / hr
    • Employees: 10-49


    Now that you have the top 10 smart contract auditing companies list, it’s time for you to choose the best one and conduct a review and testing of your smart contracts. Don’t forget any vulnerability left unnoticed can lead to million of dollars in loss. Protect your blockchain-based projects by working with the best smart contract auditing company that offers rigorous security measures and regular vulnerability audits. 

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