Smart contract auditors and developers

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

12 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
BlockyDevs
Public informationPoland
Warsaw software studio building Web3 products, with smart contracts in Solidity and ink!
- Development
Polkadot · Solana
ChainSafe
Public information
Open-source blockchain R&D firm offering protocol engineering, infrastructure and co-development
- Development
Ethereum · Polkadot · Optimism
Chainscore Labs
Public informationIndia
Pune blockchain engineering studio building DeFi protocols, wallets and node clients
- Development
- Audit
Ethereum · Arbitrum · Base · Polygon · Polkadot
CoinFabrik
Public informationArgentina
Argentine blockchain security and development company auditing Solidity, Rust, Clarity and Soroban
- Development
- Audit
Ethereum · Solana · Polkadot
FuzzingLabs
Public informationFrance
French offensive security company auditing blockchains and smart contracts with fuzzing
- Audit
Solana · Ethereum · NEAR · Starknet · Sui · +3 more
LimeChain
Public informationBulgaria
Bulgarian blockchain engineering firm building smart contracts, protocols and onchain products
- Development
Ethereum · Polygon · Base · Solana · NEAR · +1 more
Moonsong Labs
Public informationUnited States
Blockchain engineering firm for institutional protocols, tokenization and payment infrastructure
- Development
Ethereum · ZKsync · Solana · Polkadot
Oak Security
Public informationGermany
Munich-based Web3 security firm auditing EVM, Solana, Cosmos, Substrate and Starknet code
- Audit
- Penetration testing
Ethereum · Solana · Cosmos · Polkadot · Starknet · +2 more
Security Research Labs
Public informationGermany
Berlin security research firm reviewing smart contracts, chain runtimes and bridges
- Audit
- Penetration testing
Ethereum · Cosmos · Solana · Polkadot
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
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

Describe your project once. Compare with confidence.

Get comparable quotes from vetted developers, then secure your code with an independent auditor.

Get quotes

Free for clients. No commitment.