The Asociación del Terciario Avanzado de Valencia (Association of the Advanced Third Sector of Valencia, ATAV) is a not for profit business association which unifies and represents more than 40 companies who have two distinct characteristics:
- Third Sector: they provide services to entities of any other activity.
- Advanced: they are specialists in the transfer and application of a combination of analysis, management and knowledge linked to the areas of company management, organisation, human resources, information management, design, investigation, publicity, internet, quality, environment, engineering etc.

The association is a dynamizing factor in the economic life of Valencia and a guarantee of the services offered by the associated companies.