Best 3 audit company in Solana: Based on experience
If you want to increase transparency towards your community, you should include companies that can audit your smart contracts.
Nowadays in crypto it is very difficult to trust projects of any kind, that is why auditors emerge as a solution when presenting a company to the market. Since they function as a strong third party testimonial.
In this top 3, we're going to give you our opinion on the 3 best auditors on Solana based on all the ones we've tried (and there have been many), and which turned out to have the most demanding and transparent processes of all.
What is an audit in Solana
A Solana audit is a process performed by a third party where all the vulnerabilities of a Smart Contract are evaluated, a feedback is given to correct problems and then a repository is uploaded to Github with the whole process in a report format.
Audits are essential in Solana, as it gives a very strong reference about which contracts are secure and which are not, which will allow people to decide whether or not to connect their wallet to a dApp.
Top 3 best auditors in Solana
Smithii has audits from several dApps auditors that we will show you in this Top. It is important that you learn to identify their certificates, as it will allow you to stay safe in the ecosystem by differentiating the trusted platforms from the untrusted ones.
That said, let's start with this Top 3 companies for crypto auditing.
1- Halborn

Halborn is basically the standard of excellence at Solana, to back this up it can be noted that its portfolio of clients is among the largest and most respected in the entire ecosystem.
Moreover, they work in a very fast and autonomous way. Once they have access to the repositories their team starts to perform the audit, where they then provide feedback in a very easy to read and understand format.
One thing we really liked about Halborn (which if you didn't have the experience with them you may not see it written anywhere else) is that they follow up with the client during all the processes, even during the feedback.
If you are interested in knowing some of the audits performed by Halborn, here are some examples.
Smithii Vesting Audit
The audit of our vesting is public and has been published on Halborn's own website, so you can access thereport. In short, vesting is the tool we provide that allows users to lock part of the supply tokens to increase transparency in the community.
It is important to us that project creators can lock their tokens and that other users can see that they are locked. Through the vesting tool, it is possible to lock tokens and share the certificate issued by our platform.
During the audit, Halborn reviewed these aspects:
- Important security vulnerability in the code.
- Verification of the locking methodology in general.
- Verification that only authorized parties can perform sensitive actions.
- Evaluation of the management status to corroborate update functions.
- Review of logical faults that may generate unexpected program behavior.
- Best practices for development monitoring in Solana.
This audit identified 0 critical errors, 0 high-risk errors, 1 logical error, and 1 minimal error, along with 5 recommendations for justification in the code. Smithii worked immediately to follow up on the recommendations.
You may be interested in how to use the Solana vesting tool offered by Smithii
Ripple Audit
Halborn has four separate audits for Ripple: Credentials, Permissioned Domains, Batch Transactions, and Single Asset Vault.
The scope covered identity/roles, domain access controls, atomicity in clustered operations and granular asset safekeeping-a package that forces a review of logic, permissions and cross-module vectors in a mature Layer 1 stack.
If you're launching a memecoin more complex utilities or tools, this case study from Ripple demonstrates that Halborn can scale from simple smart to protocol changes.
2- CoinFabrik

CoinFabrik is a very good and accessible choice on web3: a decade auditing, +200 multichain projects and a special focus on Solana (SPL, DeFi, NFT infra programs).
That track record (visible in their public repo of reports and their role within initiatives such as Polkadot Assurance Legion or Stellar Audit Bank) gives them a level of credibility that few others match.
Like Halborn, they work fast and autonomously: as soon as they receive access to the repo, their team starts with manual review, static analysis and fuzzing of their own; within a few days they deliver a clear, prioritized and easy-to-digest report for the devs.
The differential of CoinFabrik is their "hands-on" post-audit: they validate patches, document reproducible tests and, if needed, integrate their Scout framework for continuous checks. This closeness during and after feedback guarantees that each issue is really closed before release.
Some examples of the audits given by them are as follows.
Allbridge Audit
End-to-end testing of the smart connecting EVM to Solana. The team found 0 critical, 2 medium and 1 minor bug, strengthened the fee logic, improved signature checks and validated patches before merge to mainnet. You can review the Allbridge report from the CoinFabrik repository for full details.
Smithii Audit
CoinFabrik undertook a contract review of absolutely every tool Smithii deploys on every blockchain under the Mantis protocol. CoinFabrik polished the overflow checks, analyzed vulnerabilities in the smart contracts and left a reproducible test suite that is now part of Smithiis day-to-day operations.
Smithii s entire infrastructure has been delegated to CoinFabrik to perform a full and complete audit to assess and correct potential vulnerabilities. Currently, all recommendations and warnings were taken into account to support our mission as a dApp in Solana.
3 - OtterSec

Solana native firm that combines formal verification, differential fuzzing and incident response. It collaborates with the Solana Foundation and has protected more than 36 B USD of chain TVL. Their "audit-plus-monitor" model includes chain alerts while your program runs.
If we analyze its collection of audits, we can find these.
Raydium CLMM (Concentrated Liquidity) Audit
OtterSec occupies an incredible role as it was in charge of auditing the CLMMs of Raydium, the most important dex in all of Solana. This report is joined by many others to the main DEXs of Solana and other Blockchains.
They performed an analysis of the new concentrated AMM and refactor of the order-book; it covered pools, staking and farming, closing risks of ordering and tick abuse before the public release. The result of this audit is public and is visible from Raydiums repository or OtterSec's repository.
Jito Labs (Restaking Program Audit
OtterSec did multi-active permissions and vaults evision. OtterSec detected a bug that allowed bypassing withdrawal tickets; 8 findings in total, all resolved prior to mainnet, as shown in the final report.
One thing to note is that they issued Jito s preliminary report in less than 3 weeks, being Jito a company of immense complexity and volume.
Frequently Asked Questions
How much does it cost to audit my contracts in Solana?
The typical range is from USD 5,000 to USD 50,000. Halborn and OtterSec are in the high band because of their senior team and formal verification; CoinFabrik offers more affordable pricing for complex MVPs or memecoins and maintains continuous QA.
Do I need more than one audit?
If your LTV aims to exceed 1M USD or you integrate permissionless composability, two independent looks are advisable. A common practice is a first pass with CoinFabrik (quick smoke-test) and a second pass with OtterSec or Halborn for the final deep-dive.
Does the audit guarantee that there will be no hacks?
No. It reduces risk drastically, but security is a continuous process: chain monitoring, bug-bounties, dependency updates and analysis after every upgrade. A single audit without follow-up leaves blind spots.
Who uses audits?
Third-party audits are essential for decentralized ecosystems. Those who want to develop dApps or launch any Web3 project to the public look to auditors to corroborate code security, structure and transparency.
Conclusion
Tolaunch quickly and build trustfrom day one, combine CoinFabrik’s agility with OtterSec’s formal verification and real-time coverage (or Halborn’s enterprise seal). This hybrid approach balancescost, speed, and credibility, maximizes the community’s perception of security, and increases the likelihood of attracting liquidity as soon as your token the market.
Industrial Engineer. Member of the Smithii's marketing team. Solana trader. Collaborator in the $SHRIMP memecoin launch.

