| Organisation | Category | Projects | Website | |
|---|---|---|---|---|
| Halborn Blockchain security firm — smart contract audits, penetration testing, and advisory across Solana and other ecosystems. | Security | 0 | halborn.com | @HalbornSecurity |
| OtterSec Leading blockchain security auditor | Security | 1 | osec.io | @osec_io |
| Quantstamp Blockchain security firm with deep audit history. Covers Solana Rust programs and Anchor codebases at enterprise scale. | Security | 0 |
| @Quantstamp |
| RugCheck Provides tools to identify potential rug pulls and frauds in blockchain projects. | Security | 0 | rugcheck.xyz | — |
| Sec3 Solana smart contract security auditing | Security | 1 | sec3.dev | @sec3dev |
| Soteria Specialized Solana program security firm — Rust/Anchor audits, formal-style review, and tooling for safer on-chain code. | Security | 0 | soteria.dev | @soteria_dev |
| Tokamai Tokamai offers real-time monitoring for on-chain programs to detect, analyze, and fix errors quickly. | Security | 0 | tokamai.com | — |
| Trail of Bits Premier security research and audit firm. Notable Solana program audits and authored tooling and disclosures across the ecosystem. | Security | 0 | trailofbits.com | @trailofbits |