LL-C (Certification) Group | 2,104 followers on LinkedIn. LL-C Group is a global Certification Body for Testing, Inspection and Certification (TIC) services. Its comprises several sister and partner companies. The management system of LL-C (Certification) has been designed and implemented to conform to processes employed also by the others group-members companies and to inspire trust in the certification body on the part of clients, government authorities, non-governmental organizations, consumers, and other representatives of the public.