Indian Register Quality Systems (IRQS) is a department functioning under the parent organization Indian Register of Shipping (IRS) formed as a Public Limited Company under Section 25 of the Companies Act 1956.

IRQS exclusively deals with the certification of Quality Management System (QMS) ISO 9001:2008, Environmental Management Systems (EMS) ISO 14001:2004 and Occupational Health and Safety Management Systems (OHSAS) 18001:2007, ISO / TS 16949 & Food Safety Management System (HACCP) ISO 22000:2005, Information Security Management Systems ( ISMS ) ISO 27001:2005, Security Management System for Supply Chain (SMS) ISO 28000:2007.