Web3 Development / Smart contract audits
Smart contract audits that close every finding before launch.
Independent audits and multi-chain deployment, with every finding worked through before contracts go live.
Astra Short on time? Ask about this page in plain words.
Smart contract audit services. Security work that happens before deployment, not after.
Full security audit
A line-by-line review of contract logic and permissions.
Finding remediation
Every finding worked through and closed before go-live.
Third-party audits
Audits for contracts Avinya did not write, as a standalone service.
Multi-chain deployment
Deployment coordinated across every chain in scope.
DeFi logic review
Swap and market maker logic checked for correctness.
Access control review
Admin keys, roles and upgrade paths checked.
Test coverage
Tests that exercise the edge cases attackers look for.
Deployment checklist
A verified, repeatable path to mainnet.
Post-launch review
Checks after deployment across every chain.
Security work we have shipped. Each result comes from a delivered engagement.
Smart contract audit & deployment
A full audit and multi-chain deployment, closing every finding before launch.
0 critical findings Web3 · ExchangeCentralized crypto exchange
Matching engine, custody and KYC/AML built from scratch in a 20-week build.
99.9% uptime since launch Web3 · TokenizationTokenization platform
A token economy and DAO-ready governance for a real-world-asset platform.
Market-ready token designNeed contracts audited before launch?
How an audit runs. Four stages, ending in a clean deployment.
-
Scoping
Agree the contracts, chains and launch date in scope.
Audit scope
- Contracts in scope
- Chains in scope
- Launch date
-
Audit
Review logic, permissions and edge cases.
Findings
- Findings by severity
- Suggested fixes
- Test cases
-
Remediation
Work through every finding with your team.
Remediation
- Fixes reviewed
- Findings closed
- Final report
-
Deploy
Coordinated deployment across every chain in scope.
Deployment
- Deployment checklist
- Multi-chain rollout
- Post-launch checks
Why Avinya for smart contract audits. Findings closed before launch, not left in a report.
Every finding closed
Findings are worked through and closed before contracts go live.
Zero critical findings at launch
Our most recent audit launched with zero critical findings.
Line-by-line review
Contract logic and permissions reviewed in full, including admin keys, roles and upgrade paths.
Multi-chain deployment
Deployment coordinated across every chain in scope.
Audits for contracts we did not write
Third-party contracts can be reviewed as a standalone service.
Web3 and AI under one team
One studio for on-chain infrastructure and, where it helps, AI systems.
Results from our security work. Each number links to the engagement it came from.
Engagement models. Pick the shape that fits where you are.
Dedicated team
A dedicated team that works as an extension of yours, from first release to scale.
Project-based
A defined scope, milestones and delivery date for a specific product or workflow.
Consulting & advisory
Architecture and readiness advice before you commit to a build.
What our clients say.
“The custom-built DEX solution exceeded our expectations. The UI/UX was smooth, and the automated market maker (AMM) worked flawlessly. Security and speed were top-notch, making user onboarding effortless!”
“We tokenized real estate assets on the blockchain with Avinya Labs, and they made the complex process feel simple.”
Guides on this topic. Plain answers to the questions buyers ask first.
Smart Contract Audit Cost: What Drives the Price (2026)
What drives the price of an audit, and how to prepare for one.
Read the guide → GuideSmart Contracts Explained: How They Work, Uses, Risks
What smart contracts are, where businesses use them and how to keep them secure.
Read the guide → GuideHow to Choose a Web3 Development Partner: A Checklist
What to check before hiring a blockchain development company.
Read the guide →Smart contract audit FAQs.
Do you audit contracts you did not write?
Yes. Third-party audits are a standalone service.
What happens to the findings?
We work through every finding with your team before contracts go live. Our most recent audit launched with zero critical findings outstanding.
Can you deploy across multiple chains?
Yes. We coordinate deployment across every chain in scope as one engagement.
How long does an audit take?
It depends on the size and complexity of the contracts. We agree the scope and timeline up front.
What does a smart contract audit cover?
Logic errors, access control, upgrade risks and known attack patterns, followed by a written report and a fix review. Our smart contract audit services start from the ethereum.org guide to smart contracts and the standards your contracts use.
How much does a smart contract audit cost?
A smart contract audit with us starts from USD 2,000 and rises as the scope grows, depending on the scope of work, complexity and length of engagement. Our guide to smart contract audit cost explains what is covered and how to prepare.