ACS consists of three aviation service businesses - Aviation Compliance Solutions, Aviation Consulting and Training, and Aviation Solutions Recruitment - that operate under the ACS Aviation Solutions brand. The businesses provide auditing, consulting, training, and recruitment services. ACS is accredited by IATA as one of eight audit organizations worldwide and is ISO 9001 certified. It has over 400 audit experiences and has been in business for 11 years, expanding globally and rated number 1 by IATA for quality control.