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Smart contract auditors and developers

Audit firms and development studios, filterable by blockchain and service. Each listing states where its information comes from.

5 vendors

Listings marked "Public information" were compiled from the companies' public pages and have not been reviewed by them. They are not partners of smart-contract.com and have not been vetted yet. Verified vendors went through our vetting process.

  • 4soft

    Public informationPoland

    Wrocław software house for blockchain development, on-chain analytics and crypto compliance

    • Development
    • Audit

    Ethereum · Arbitrum · Base · Polygon · BNB Chain · +4 more

  • MLabs

    Public informationUnited Kingdom

    London high-assurance engineering consultancy in Haskell and Rust, auditing Cardano contracts

    • Development
    • Audit

    Cardano

  • Protofire

    Public information

    Blockchain engineering firm building and auditing smart contracts on EVM chains, Solana and Cardano

    • Development
    • Audit

    Ethereum · Solana · Cardano

  • Quantstamp

    Public information

    Web3 security firm offering smart contract audits, economic analysis and infrastructure tests

    • Audit
    • Penetration testing

    Ethereum · Solana · Polygon · TON · Avalanche · +3 more

  • TxPipe

    Public information

    Cardano engineering team offering smart contract development, audits and open-source Rust tooling

    • Development
    • Audit

    Cardano

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