Applus+ IDIADA | 156,258 followers on LinkedIn. Your development partner | Applus+ IDIADA is a global partner to the automotive industry with over 30 years’ experience supporting our clients in product development activities by providing design, engineering, testing, and homologation services. IDIADA’s success in product development is built on a unique blend of highly experienced engineers, state-of-the-art test and development facilities and the constant drive towards innovation. The company has over 3,500 professionals and an international network of subsidiaries and branch offices in 24 countries, ensuring our clients receive customized, added-value solutions.