Yes.
All of Ready's smart contracts undergo independent external security audits.
You can view the audit reports for our Starknet smart contracts here:
https://github.com/argentlabs/argent-contracts-starknet/tree/main/audit
In addition, we run a public bug bounty program for our Starknet smart contracts:
https://www.ready.co/ready-bug-bounty
Our smart contracts are also open source, allowing anyone to review the code and contribute to improving the security of the Ready ecosystem.