Aerospace Consulting & Services GmbH (founded in 1986), with Head offices based in Wildau (Berlin) offer expertise in Engineering Consultancy, Advanced Subject Matter Expertise, Training and Simulation, Integrated Logistics and Technical Publications.

The subsidiary AC&S SLU, of the AC&S GmbH, was founded 2006 and has enjoyed steady growth thanks to its innovative and pragmatic approach to meet the needs of its customers. It offers Engineering, Training, Consulting, Lifecycle services and tailored solutions to the Spanish Industry.

Since its incorporation into the ESG Group in 2008, AC&S has a greater portfolio of technology-based solutions.