Trøndelag County Library in Trondheim functions as a public library with a wide range of services. The library offers digital resources and e-books through the BookBites platform, which gives users access to a diverse selection of literature. In addition, the library organizes the Mimes Brønn (Mimes Well) non-fiction book festival, which promotes non-fiction and knowledge. Courses and meetings are also offered for library employees, which contributes to improving competence in library services.
The library has specialized services in Southern Sami and operates library transport to ensure accessibility to resources. The focus is on promoting a love of reading, life skills and social participation. Trøndelag County Library also supports sustainable community workshops in several municipalities, and offers the "Lend a Scientist" program for those who want deeper learning. In addition, the library has a culture and library bus that makes it possible to reach a wider audience.