Register of SOA-Qualified Companies
The Register of SOA-qualified companies – also referred to as the SOA company register or official register of qualified contractors—is the tool used to verify all companies holding a valid SOA attestation.
The register is prepared, maintained, and made publicly available by ANAC, the authority responsible for supervising the entire contractor qualification system.

Qualified companies
The complete and up-to-date list of companies holding SOA attestation

OG and OS categories and qualification classes
The qualification categories (OG and OS) and corresponding class levels

Validity and status
Issue date, validity period, current status, and expiry of the attestation
What Is It Used For?
- Verification of qualification: immediate confirmation of SOA attestation
- Checking categories and classes: verification of eligibility against tender requirements
- Confirming validity and status: expiry date and current standing of the attestation
- Consulting official information prior to selection or contract award
- Comparing companies based on the SOA categories they hold
How to Access the Register
Simple, fast, and completely free
To view the full list of SOA-qualified companies, visit the official ANAC website in the section dedicated to the search of qualified contractors.
- Access the ANAC Portal
Visit the official ANAC website and go to the section for searching SOA-qualified companies.
No registration is required. - Run a Search
Search by company name, tax code, or VAT number for precise results.
Search by name, tax code, or VAT number





