Top Crypto Audit Companies For 2025

Updated June 21, 2025
Written by Ezra Icy
top crypto audit compaies

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Blockchain industry has grown exponentially and given some unique advances that has open a new horizon for industries across the globe. We have experienced the ongoing craze of cryptocurrencies and the advent of web 3.0. All this could happen because of the existence of blockchain technology.

However, as technology expands to unparalleled heights, the chances of fraud and foul play are also increasing. In order to keep these exploits at par, there have been a few reputed auditors that specialize in blockchain-based technological companies testing.

We have prepared a comprehensive list of the top crypto audit companies with astounding reputations. If you are wondering how we picked these companies, then read about our process here.

List of the Top Crypto Audit Companies 2025

PeckShield

1. PeckShield

PeckShield specializes in blockchain security and offers complete security options for wallets, exchanges, and smart contracts. Its Penetration Testing is a potent and user-friendly “pentesting” tool that can assist you in identifying weaknesses in your system. In order for you to get going quickly and easily, it aims to be straightforward. PeckShield will walk you through the process, so you do not need to be an expert in pentesting. Prior to any vulnerabilities being exploited, you can identify them and fix them using PeckShield.

Cost $30,000 to $70,000
Blockchains Ethereum, BNB Chain, EOS, Tron, Harmony, NEO
Audited companies 3000+
Accuracy Moderate
User response 3.5/5

Features

Pros and Cons

  • Its program offers rewards for crowdsourcing security work.
  • DEX audits (ParaSwap, Sushi, dYdX) have been the subject of extensive experience.
  • It only supports Ethereum, BNB Chain, EOS, Tron, Harmony, NEO.
Trail-of-Bits

2. Trail of Bits

For everything from software assurance and security engineering to smart contract audits, think about using Trail of Bits as your go-to provider. Trail of Bits, which has earned the trust of industry juggernauts like Adobe, Microsoft, and Stripe, has also collaborated on some of the biggest cryptocurrency projects, including Curve, Ethereum 2.0, MakerDAO, Chainlink, Compound, Matic, Uniswap, and Algorand.

Cost $250,000
Blockchains Ethereum, Arbitrum, Optimism, Polygon, Multichain and others.
Audited companies 3000+
Accuracy Moderate
User response 3/5

Features

Pros and Cons

  • They have exceptional research and development services to enhance customer service
  • It offers thorough support for special requirements.
  • The tool is easy to integrate.
  • Not much cons
Astra-Pentest

3. Astra Pentest

Astra Pentest is a feature-rich platform that assists you in streamlining each phase of the pentest process, from identifying vulnerabilities and priority to cooperative restoration. It includes an automated vulnerability scanner, manual pentest capabilities, and an all-purpose vulnerability administration dashboard. To identify serious flaws in your application, the Pentest platform simulates the actions of hackers. 

Cost $1999, $5999, $9999 yearly
Blockchains web, mobile, SaaS, smart contracts, and other types of applications.
Audited companies 650+
Accuracy High
User response 4.8

 

Features

Pros and Cons

  • Facilitates collaboration with development teams.
  • Enables the Google Chrome Extension to scan for logins.
  • Offers assistance with the PWS App.
  • No Free Trial
Defimoon

4. Defimoon

Defimoon is a global blockchain and smart contract security business that specializes in blockchain and smart contract audits on top chains worldwide, offering expert services and solutions of the highest caliber. The platform builds a company’s core idea in accordance with its goals and creates distinctive advantage tactics. Additionally, it generates Smart Contracts, which automate asset management, sales and trading, token production and distribution, invoice generation, and payment processing.

Cost N/A
Blockchains Arbitrum, Astar, BNB Chain, Ethereum, Avalanche, EVM, Kusama, Polkadot, Polygon
Audited companies 270
Accuracy Moderate
User response 3.6

 

Features

Pros and Cons

  • Supports a lot of blockchains
  • Good reviews by customers
  • Time to deployment can be readily impacted.
Open-Zeppelin

5. OpenZeppelin

OpenZeppelin conducts an audit to confirm that your distributed systems operate as intended. Their engineers thoroughly examine the architecture and codebase of your system, and they then produce a comprehensive report that contains suggestions for fixing every problem they discovered. They are knowledgeable about every component of the technology stack, including languages, compilers, smart contract systems, protocols, and applications. Their auditing scope includes financial systems, governance frameworks, and distributed payment networks.

Cost $3,33,333
Blockchains Ethereum
Audited companies 200
Accuracy Moderate
User response 3/5

Features

Pros and Cons

  • It also develops smart-contract code (open-source library).
  • The customer support department is good.
  • The incident response and bug bounties are absent.
Cyfrin

6. Cyfrin

Cyfrin is among the well-known web3 auditing firms that are crucial to the development of web3. It is a blockchain auditing business that favors granting access to cutting-edge features to web3 developers. In the list of blockchain auditing companies, Cyfrin stands out due to its dedication to enhancing the web3 developer experience. Smart contract logic tests, documentation, and tests are necessary for an entire audit. They use stacks such as Solidity, Vyper, Huff, Foundry, Hardhat, Brownie, Apeworx, and Truffle.

Cost Information unvaible
Blockchains Ethereum, Optimism, Arbitrum, Polygon, Multichain
Audited companies 200
Accuracy Moderate
User response 3/5

Features

Hacken

7. Hacken

Hacken certification is recognized as a Web 3.0 security standard. it is likely that we secured a blockchain application. According to market value, Hacken is ranked third among the top five cyber security companies. It has partnerships with 80 companies, including the Solana Foundation. Hacken is constructing the foundation for the Web 3.0 security market and aims to be your one-stop blockchain security solution.

Cost Not available
Blockchains Solana, Avalanche, BNB Chain, Ethereum, Optimism, Polygon, Arbitrum, NEAR, Aptos, Sui, Cosmos, Polkadot, and Fantom
Audited companies 3500+
Accuracy High
User response 4.5/5

Features

Pros and Cons

  • It has organized and qualified security testing.
  • Its customer service is helpful.
  • It has a good reputation.
  • It has no advisory services.
Halborn

8. Halborn

Halborn has developed a specialty in identifying security holes and poor design in blockchain applications. They test the smart contract application manually and automatically to make sure it is prepared for mainnet. The company specializes in protocols like Algorand, Substrate, CosmWasm, Terra, CosmWasm, and Substrate.

Cost Not mentioned
Blockchains Polygon, Ethereum, Solana, Multichain
Audited companies 3500+
Accuracy Moderate
User response 3.5/5

Features

Pros and Cons

  • It has audited numerous projects.
  • The company has a good team supporting audits.
  • It sometimes takes four weeks to submit a report.
quantstamp

9. Quantstamp

Quantstamp can offer auditing services in any language, including those created especially for blockchain applications. In addition to Cardano, Solana, BNB Chain, and Ethereum 2.0, the company has also audited protocols like Maker, Curve, and OpenSea. Its offerings include financial primitive development for Layer 1 blockchain ecosystems, auditing Layer 1 blockchains, and NFT and DeFi applications powered by smart contracts.

Cost Not mentioned
Blockchains Ethereum, Solana, Avalanche, Arbitrum, Polygon
Audited companies 120+
Accuracy High
User response 4.5/5

Features

Pros and Cons

  • It covers a wide range of industries.
  • It works for non-fungible tokens as well.
  • It only covers Ethereum.

Conclusion

In a world where digital assets hold immense value, trust and security are non-negotiable. The top crypto audit companies discussed in this guide are the guardians of this trust, providing essential services to ensure the safety and reliability of the crypto ecosystem. Among all notable names on the list Certik and PeckShield have gained highest reputation.

Whether you’re a crypto enthusiast, investor, or project developer, knowing the top crypto audit companies is a crucial step toward a safer and more secure crypto future. We hope our shortlisted company names would help you in selecting the best audit company.

Frequently Asked Questions

1. What is the role of a crypto audit company?

Crypto audit companies assess the security and functionality of blockchain projects and cryptocurrency exchanges, identifying vulnerabilities and ensuring compliance with industry standards.

2. How do crypto audit companies enhance security?

They enhance security by thoroughly evaluating blockchain systems, identifying potential risks, and providing recommendations to address these issues proactively.

3. Are crypto audit companies essential for crypto projects?

Yes, they are essential. Crypto audit companies help crypto projects build trust within the community, ensure regulatory compliance, and mitigate risks.

4. How often should a crypto project undergo an audit?

The frequency of audits may vary, but they are typically recommended whenever significant updates or changes occur within a project.
About Author
About Author
Ezra Icy, the creative wizard from Phoenix, Arizona, specializes in crafting magnetic content for Web3 brands. In the digital realm, he doesn't just connect users; he orchestrates a symphony of community and human bonds. Connect with Ezra in transforming pixels into unforgettable moments and turning the virtual landscape into a warm, welcoming oasis of connection only at [email protected]
Disclaimer: The presented content may include the personal opinion of the author and is subject to market condition. Do your market research before investing in cryptocurrencies. The author or the publication does not hold any responsibility for your personal financial loss.