Smart contract auditors and developers

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

10 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.

Blaize
Public informationUkraine
Ukrainian blockchain development company with a dedicated security audit practice
- Development
- Audit
Ethereum · Polygon · Arbitrum · Solana · Sui · +4 more
CertiK
Public informationUnited States
Web3 security firm offering manual smart contract audits, formal verification and pentests
- Audit
- Penetration testing
Ethereum · BNB Chain · Polygon · TON · Cosmos
Cyfrin
Public information
Smart contract audits, penetration testing and security education, maker of Aderyn and Solodit
- Audit
- Penetration testing
Ethereum · ZKsync · Arbitrum · Avalanche · BNB Chain · +8 more
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
RedDuck
Public informationUkraine
Web3 engineering partner writing audit-ready smart contracts on EVM chains, Solana and Bitcoin
- Development
Ethereum · Polygon · BNB Chain · Arbitrum · Base · +6 more
Sec3
Public information
Solana security firm offering audits, formal verification and post-deployment monitoring
- Audit
Solana · TON
SlowMist
Public informationChina
Blockchain threat intelligence firm auditing exchanges, wallets, blockchains and smart contracts
- Audit
Ethereum · TON
softstack
Public informationGermany
Flensburg Web3 company offering smart contract audits, pentests, development and compliance
- Development
- Audit
- Penetration testing
Ethereum · Arbitrum · Optimism · Base · Polygon · +8 more
Trail of Bits
Public informationUnited States
Security firm reviewing smart contracts, nodes and bridges, maker of Slither and Echidna
- Audit
- Penetration testing
Ethereum · Arbitrum · Optimism · Solana · Sui · +4 more
Zokyo
Public informationUnited Arab Emirates
Smart contract and protocol audits, pentesting, compliance and product development, Dubai
- Audit
- Penetration testing
- Development
Ethereum · Solana · Polygon · Arbitrum · Optimism · +9 more

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