Need External Audit of Code/Platform (Security, Code Standards, Code Quality, etc.)

I need a PROFESSIONAL third-party audit of our code and platform, including a report on security, code standards, code quality, etc. This is an audit that we will provide to others interested in acquiring our tech and pursuing a detailed due diligence process. Please only submit a bid if you have completed similar quality audits in the past and understand where the tech and quality should be for a seed-series startup (that is, PRE Series-A startup) as compared to a Series-A, Series-B, or later company. The more experience you can demonstrate with past audits involving seed series startups, the better