SMART CONTRACT AUDITS · HEAD TO HEAD

Sparrow & Co. vs Trail of Bits

Q: Sparrow & Co. or Trail of Bits?

Both are vetted Smart Contract Audits providers on Onyx. Sparrow & Co. rates 4.8 out of 5 across 18 reviews, Trail of Bits rates 4.9 across 188. Match the specialties to your need.

Q: Are both providers vetted by Onyx?

Yes. Both passed Onyx provider vetting. Listing reflects vetting, not payment, and a commission is earned only on a closed engagement.

Side by side

Rating

4.8/5

4.9/5

Reviews

18

188

Response time

< 24h

1–2 weeks

Lead time

2–3 weeks

8–14 weeks

Team size

3

142

Past mandates

38

412

Vetted since

Apr 22, 2025

Jan 15, 2024

Sparrow & Co. specialties

SolidityDEXDeFi primitivesNFT

Trail of Bits specialties

SolidityFormal verificationCryptographyCross-chain

FAQ

Sparrow & Co. or Trail of Bits?

Both are vetted Smart Contract Audits providers on Onyx. Sparrow & Co. rates 4.8 out of 5 across 18 reviews, Trail of Bits rates 4.9 across 188. Match the specialties to your need.

Are both providers vetted by Onyx?

Yes. Both passed Onyx provider vetting. Listing reflects vetting, not payment, and a commission is earned only on a closed engagement.