Top 10 Blockchain Auditing Companies in 2024


In the fast-evolving landscape of blockchain technology, security remains a cornerstone of trust and reliability. Research reports forecast that the blockchain industry could reach a market capitalization nearing $163 billion by 2029.

However, the staggering $32,835,868,784.24 lost to blockchain hackers underscores the critical need for robust security, particularly in smart contracts.

Blockchain auditing companies are pivotal in mitigating these risks by providing essential services such as smart contract audits and vulnerability assessments.

Top 10 Blockchain Auditing Companies

  1. QuillAudits
  2. Hacken
  3. Certik
  4. SlowMist
  5. PeckShield
  6. Trail of Bits
  7. ConsenSys Diligence
  8. OpenZeppelin
  9. Sigma Prime
  10. Cyfrin

Let’s take a closer look into these top blockchain auditing companies, each recognized for their expertise, innovation, & dedication to enhancing security standards across the industry.

1. QuillAudits

QuillAudits is at the forefront of blockchain security. Central to our innovative approach is the QuillAI network, a decentralized security layer powered by AI agents.

QuillShield is an AI agent capable of identifying and fixing vulnerabilities in smart contracts. QuillCheck, on the other hand, is designed to assess whether a token is susceptible to rug pulling.

With expertise spanning 24+ blockchain platforms, including Ethereum, Solana, Avalanche, and Binance Smart Chain, QuillAudits delivers tailored security solutions, actionable insights, and a commitment to transparency and reliability in the ever-evolving blockchain landscape.



  • Specializes in 24+ blockchains security including multiple L1s & L2s.
  • Features QuillShield AI for comprehensive vulnerability checks and fixes.
  • Offers QuillCheck to assess if a token is susceptible to rug pulling.
  • Provides customized security solutions tailored to client needs.
  • Known for thorough smart contract audits and vulnerability assessments.
  • Active contributor to blockchain security research and development.


  • High demand may lead to extended service delivery times.

2. Hacken

Hacken stands out in the blockchain security space for its holistic approach to cybersecurity, offering a comprehensive range of services from smart contract audits to incident response.

They leverage a proactive threat intelligence framework to identify and mitigate vulnerabilities across blockchain ecosystems, ensuring robust security measures for their global clientele.



  • Hacken has fast response time & offers KYC & Penetration testing as additional services.
  • Provides full-spectrum security solutions for blockchain projects.
  • Active engagement with the blockchain security community.
  • Expertise in penetration testing and vulnerability assessments.
  • Offers educational resources and training programs on blockchain security.


  • Pricing details may be available upon request.
  • Does not offer timeline flexibility.
  • Premium services may require budget planning.
  • Initial pricing is $10,000

3. Certik

Certik excels in blockchain security with its innovative use of formal verification techniques to enhance the security of smart contracts and blockchain platforms.

They offer rigorous audits that provide mathematical proofs of security, ensuring reliability and trustworthiness across diverse blockchain ecosystems.



  • Specializes in formal verification for smart contract security.
  • Offers KYC & Penetration testing as additional services.
  • Takes 3-4 days to complete audit, timing might change depending on the project complexity & priority.
  • Offers cross-chain auditing capabilities for comprehensive security assessments.
  • Can speed up the audit process if needed.
  • Provides detailed audit reports with actionable recommendations.


  • Service costs may vary depending on project complexity.
  • Might take a day to response.
  • Focusing primarily on high-security standards may limit flexibility for some projects.
  • Initial Pricing is $10,000

4. SlowMist

SlowMist is a leading blockchain security company known for its comprehensive solutions tailored to smart contracts, protocols, and blockchain infrastructure.

They combine rigorous security audits with real-time threat monitoring and incident response services, catering to a global clientele from their Asian base.



  • Offers a full spectrum of security services, including audits and threat intelligence.
  • Maintains one of the most comprehensive databases tracking blockchain hacks.
  • Actively tracks and mitigates emerging threats and vulnerabilities.
  • Strong presence in the Asian blockchain market.
  • Contributes actively to blockchain security education and awareness.


  • Service availability may fluctuate due to demand.
  • Specialization in certain blockchain platforms may limit coverage for others.

5. PeckShield

PeckShield is renowned for its expertise in smart contract audits and DeFi security. It ensures the security and reliability of decentralized applications (dApps) on Ethereum and Binance Smart Chain.

They employ a combination of automated and manual auditing techniques to identify vulnerabilities and provide proactive security measures.



  • Specializes in smart contract security and DeFi audits.
  • Can speed up the audit process if needed.
  • Offers real-time vulnerability monitoring for immediate threat response.
  • Extensive experience in Ethereum and Binance Smart Chain security.
  • Active participant in blockchain security research.


  • Focus primarily on Ethereum and Binance Smart Chain may limit coverage for other platforms.
  • First Audit costs might be high, depending on the codebase complexity & needs of clients.
  • Limited publicly available information on specific projects and case studies.

6. Trail of Bits

Trail of Bits is a cybersecurity powerhouse that specializes in blockchain security assessments. Its focus is on identifying critical vulnerabilities in blockchain systems.

They employ a blend of manual code analysis and advanced tools to offer proactive security solutions that meet the complex challenges of modern blockchain technologies.

Trail of Bits


  • Provides strong software assurance services.
  • Extensive research and development capabilities improve customer support.
  • Provides Penetration testing as an additional service.
  • Customized solutions for specialized project requirements.
  • Comprehensive support for various blockchain ecosystems.


  • Longer waiting times due to high demand for services might take a day to respond.
  • The initial audit cost is $15,000
  • Does not offer timeline flexibility.
  • Premium pricing may require budget planning for advanced security assessments.

7. ConsenSys Diligence

ConsenSys Diligence is integral to ConsenSys, specializing in Ethereum and DeFi security audits.

They leverage their deep understanding of Ethereum technology to provide targeted security assessments, combining manual code review with automated tools and penetration testing.

ConsenSys Diligence


  • Extensive expertise in Ethereum and DeFi security.
  • Offers a range of blockchains for audit.
  • Collaboration with other ConsenSys services for integrated blockchain solutions.
  • Rigorous security audits tailored to project-specific needs.
  • Active contributor to blockchain security research and development.


  • Premium pricing for advanced security services.
  • Availability may vary depending on the demand for services.

8. OpenZeppelin

OpenZeppelin is dedicated to enhancing the security of blockchain projects through its comprehensive security solutions and development frameworks.

They offer a robust library of pre-audited smart contracts and tools, expert security audits, and penetration testing services.



  • Provides comprehensive security solutions for smart contract development.
  • Provides Penetration testing as an additional service.
  • Offers flexible timeline.
  • Emphasizes secure coding practices and community collaboration.
  • Offers development frameworks to streamline secure blockchain application development.


  • High demand may lead to extended wait times for audit services.
  • Specific pricing details may require direct inquiry for certain services.

9. Sigma Prime

Sigma Prime specializes in Ethereum and Beacon Chain security and offers a range of security services, including smart contract audits, penetration testing, and security consulting.

They are known for their expertise in Eth2.0 security and scalability, contributing actively to blockchain security research.

Sigma Prime


  • Deep expertise in Ethereum 2.0 and Beacon Chain technologies.
  • Active engagement in blockchain security research and development.
  • Provides a range of security services tailored to project needs.
  • Strong focus on secure coding practices and architecture reviews.


  • High demand may result in extended service delivery times, in some cases, it can take a whole day to get a response back.
  • Specialization in Ethereum and Beacon Chain may limit coverage for other blockchain platforms.

10. Cyfrin

Cyfrin specializes in smart contract audits and security assessments for DeFi projects, utilizing data-driven vulnerability analysis and advanced security techniques.

They emphasize security education and open-source contributions to enhance blockchain security standards.



  • Proficient in smart contract security assessments for popular blockchain platforms.
  • Utilizes advanced data analysis and machine learning for vulnerability detection.
  • Actively contributes to open-source projects and blockchain security research.
  • Offers 24/7 dedicated response.
  • Offers customized security strategies and educational resources like courses for clients.


  • May not cover all blockchain platforms due to specialization.
  • Limited public information on specific projects and case studies.

Wrap Up

Blockchain auditing is crucial to the success and security of blockchain technology. As the industry expands, the importance of robust security measures cannot be overstated.

The top 10 blockchain audit companies highlighted in this article provide a wide range of services to ensure the safety and integrity of blockchain projects. From meticulous smart contract audits to proactive threat monitoring, these companies offer valuable expertise and insights.

Choosing the right audit company for your project involves considering each firm’s specialization, strengths, and potential limitations.

By understanding the key features, pros, and cons of these leading blockchain audit companies, you can make well-informed decisions to protect your digital assets and decentralized applications.

Happy Buidling!

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