List of Smart Contract Audits companies in Web3 (2026)

Premium triaging service where Immunefi's team reviews and validates bug reports, filtering out invalid submissions and escalating only relevant vulnerabilities.

TokenFi AI Smart Contract Auditor is an automated code analysis tool performing real-time security assessments of smart contracts created through TokenFi. The auditor generates branded security reports for token creators to establish trust with users.

Professional security audit services for smart contracts, ZK proofs, and blockchain infrastructure performed by specialized security researchers to identify vulnerabilities before deployment.

Professional audit service that identifies vulnerabilities in smart contracts and blockchain platforms using formal verification and comprehensive cybersecurity techniques.

Halborn Assurance Services provides technical security assessments for blockchain applications through smart contract auditing, Layer 1 protocol evaluation, code security testing, web application penetration testing, cloud infrastructure assessment, red team exercises, and AI security evaluation. The system identifies vulnerabilities through manual code review and automated testing tools to protect digital assets and ensure code integrity before deployment.

The CertiK Security Suite provides blockchain security through smart contract audits, KYC verification, formal verification, penetration testing, and real-time monitoring, helping Web3 projects maintain robust security from development through deployment and operations.

Provides smart contract security audits through manual code review and automated testing across multiple blockchain platforms, delivering detailed vulnerability reports with remediation guidance. Services include smart contract audits, penetration testing, wallet security audits, and protocol analysis for Ethereum, Solana, Polygon, Starknet, and other major blockchain ecosystems.

Automated smart contract audit and similarity analysis tool for contract verification.

Hacken Security Assessments provides smart contract auditing and blockchain security reviews through manual code analysis and automated vulnerability detection. The service examines protocol architecture, identifies security risks, and delivers detailed audit reports with severity classifications. Assessments include penetration testing, code review, and compliance verification across multiple blockchain platforms, supporting EVM-compatible chains and layer-2 solutions.

OtterSec Security Audit is a blockchain security service examining code vulnerabilities, exploitation vectors, and security architecture across multiple chains. The assessment includes detailed reports with risk ratings and remediation recommendations.

Guardian simulates transaction outcomes and enforces security policies before execution through pre-transaction analysis and policy enforcement. The system prevents phishing attacks, scams, and malicious interactions by analyzing actual transaction intent and impact, integrating with wallet infrastructure to provide real-time risk detection and automated protection for institutional operations and DeFi activities.

Adevar Labs provides security audits for blockchain protocols and infrastructure through manual code review, formal verification, and infrastructure assessment. The service examines on-chain smart contracts and off-chain systems including cloud configurations, CI/CD pipelines, and network architecture to identify vulnerabilities and protocol risks.

Nethermind Security performs smart contract security assessments through static and dynamic code analysis techniques, detecting vulnerabilities in Solidity and Cairo implementations.

Zellic implements security assessment protocols through manual code review and automated analysis, identifying critical vulnerabilities in smart contracts, zero-knowledge circuits, and cross-chain infrastructure. The system combines traditional auditing with competitive security research methodologies.

A security assessment service that examines smart contracts to identify vulnerabilities and security risks before deployment. The service includes manual code review, automated analysis, and formal verification.

Consensys Diligence implements smart contract audit methodologies through automated analysis engines and manual security reviews, providing vulnerability detection and formal verification services. The system combines static analysis, symbolic execution, and fuzzing techniques while delivering detailed security reports with mitigation guidance.

Asymmetric Research provides blockchain security services, including vulnerability research, embedded security engineering, and incident response. The service identifies security issues in smart contracts and blockchain infrastructure using coordinated disclosure processes.

Cantina Reviews is a managed security assessment service that selects and coordinates security researchers for client projects. Handles team formation and facilitates communication within the platform.

Extropy Security helps you prevent security issues in blockchain projects by auditing smart contracts, identifying risks, and providing guidance to make your decentralized apps safer and more reliable.

Smart Contract Audit Services provides comprehensive security assessments of blockchain smart contracts through manual code review and automated analysis. The service specializes in Solana smart contract security with experience auditing DeFi protocols, NFT platforms, liquid staking solutions, and cross-chain protocols. Auditors examine contract code for common vulnerability classes, architectural soundness, economic attack vectors, and authority structure security.

Accretion Audit Service analyzes Solana protocol code for security vulnerabilities and technical issues. The service includes source code review, vulnerability assessment, and documentation analysis. Audit reports detail identified security concerns with technical explanations. Development teams receive findings through a structured review process that includes initial assessment, code analysis, and final recommendations.

BlockSec Auditing is a smart contract security auditing service with automated analysis tools and manual verification processes. The service covers technical, business, and financial aspects with detailed vulnerability detection and remediation recommendations.

Guvenkaya provides comprehensive security assessment services for both blockchain and traditional systems. The service examines smart contracts on NEAR, Solana, Aptos, Sui platforms, Substrate chains, and virtual machines. Security professionals test web applications, wallets, cloud infrastructure, and mobile apps for vulnerabilities. The service includes code review, penetration testing, DevSecOps guidance, and phishing simulations.

Trail of Bits provides security assessments for blockchain applications, including audits of smart contracts, design assessments, and early-stage reviews.

Smart Contract Audits by ABDK is a security evaluation service for smart contracts that identifies vulnerabilities and offers optimization recommendations. The service includes a comprehensive review of the code's security, functionality, and efficiency, delivering detailed reports on potential issues and remediation steps.

Cairo Security Clan provides comprehensive security audits for Cairo and Starknet projects. The service includes code review, vulnerability identification, and detailed reports.

Professional security auditing services for smart contracts written in Solidity, Rust, Clarity, Go, Soroban, Substrate, and TEAL. The service provides comprehensive vulnerability analysis, preliminary security reports, remediation support, and optional public report publishing. Audit process includes code review, vulnerability identification, and validation of fixes implemented by development teams.

Hashlock provides comprehensive smart contract security audits through manual analysis and automated testing across multiple blockchain protocols. The service conducts line-by-line code review, vulnerability assessment, and security recommendations for Solidity, Rust, Cairo, and Move smart contracts. Audits identify critical security flaws including reentrancy attacks, integer overflows, access control issues, and logic errors before deployment.

Pashov Audit Group provides smart contract security audits that identify vulnerabilities through manual code reviews. The service examines all aspects of contract implementations including access controls, input validation, business logic, and economic models.

Enigma Dark provides a blockchain security service for audit and testing. It helps teams reduce vulnerabilities through manual review, custom tests, and operational risk assessment.

Implements comprehensive security assessment protocols through penetration testing and code analysis, enabling vulnerability identification in smart contracts and Web3 applications. The system conducts static analysis and dynamic testing while maintaining focus on zero-knowledge proof implementations and StarkNet infrastructure.

KammAudits provide security review services for smart contracts across multiple programming languages including Solidity, Rust, Move, Go, Circom, and zero-knowledge protocols. The service provides vulnerability detection, security assessment, and audit reports for blockchain protocols and decentralized applications.

Security consulting service that reviews cryptographic protocols and distributed system architectures in smart contracts, advanced cryptography, zero-knowledge protocols, and consensus protocols.

Smart Contract Security Audits provides manual code review, automated analysis, and formal verification for Move smart contracts, decentralized applications, and blockchain infrastructure deployed on Aptos, Sui, and Movement Labs networks. The audit process includes testing, automated analysis, code review, and formal verification methodology with seven-step engagement from initial contact through ongoing monitoring.