The Pharmaceutical Quality Group (PQG) is the CQI's longest established special interest group, and has been supporting quality professionals in the pharma industry for more than 30 years.

The CQI Construction Special Interest Group (ConSIG) provides a forum for quality professionals in the construction sector to learn, share, support each other’s development and influence the industry.

The CQI's Deming Special Interest Group (DemSIG) brings together quality professionals to explore the ideas and work of the renowned quality pioneer W Edwards Deming.

The CQI's Next Generation Network works to support and encourage young quality professionals, and foster an interest in quality among future generations.

The role of the DSIG is to ensure that the Defence Sector is appropriately represented within the CQI by providing Sector specific feedback to the CQI and influencing key CQI programmes such as the functional competence framework.

The CQI’s Rail Special Interest Group provides a forum for quality professionals in the rail industry to learn, share, support each other’s development and influence the industry.

The CQI’s Integrated Management Special Interest Group (IMSIG) was established in 1996 as a forum for those interested in the quality of management, governance and implementing fully integrated management systems. That address the totality of an organisation without boundaries.

The CQI's Nuclear Special Interest Group (NucSIG) provides a forum for quality professionals in the nuclear sector to learn, share, support each other’s development and influence the industry.