CTK Maintenance provides all maintenance for SAAB, LET, Cessna, Beechcraft and Turbo Thrush aircraft. Services are also available for other aircraft users and operators. CTK Maintenance has the only NICAD battery service station available in Ghana.
CTK Citylink has been in existence for 16 years and is the oldest operating airline in Ghana. Scheduled domestic flights in Ghana were introduced on 18 September 2003 under the name CiTylinK Airlines. Commercial flights were suspended in August 2012.