Trail of Bits
High-end security research and engineering firm known for deep code audits, cryptography reviews, and smart-contract security work.
Pricing: Custom (contact sales)
Reviewed by the CyberSecTool editorial team against the public sources cited below · Last reviewed June 2026 · How we review listings
What is Trail of Bits?
Co-founded in 2012 by Dan Guido and headquartered in New York City, Trail of Bits combines academic-style security research with hands-on engineering. The firm is best known for advanced software assurance work across cryptography, AI/ML, blockchain, and low-level systems, and for releasing widely used open-source tooling such as the Slither smart contract analyzer.
- ✓ Strong academic and research-grade reputation with published peer-reviewed work
- ✓ Open-source tooling footprint including Slither, Echidna, Manticore
- ✓ Recognised leader in smart-contract auditing for top-tier protocols
- ✓ Engineering depth that translates findings into custom defensive tooling
- • Premium pricing and limited bench means long lead times
- • Highly specialised, not a fit for routine commodity pentesting
- • No published price list; bespoke statements of work per project
Reported in public reviews and vendor documentation. See sources below.
Key Features
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Quick Info
| Pricing | Custom (contact sales) |
| Model | Fixed-scope research engagements |
| Founded | 2012 |
| Cloud | No |
| Self-Hosted | No |
Last updated: Jun 2, 2026
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