Thailand's DBD DataWarehouse can help identify registered juristic persons associated with legal-service activities. It verifies company records, not whether an individual is licensed to practise law.
Search the legal name or use a legal-activities classification such as TSIC 69100 where the service permits it. Match the returned juristic person carefully; similar trading names do not establish the same registered entity.
A DBD record can support company identity and registration checks. It does not establish professional competence, current engagement terms or an individual lawyer's licence.
When a decision depends on a named lawyer's authority or standing, use the relevant professional verification channel in addition to the company record. Do not treat an activity code as a recommendation.