[1] It was formed on 29 March 2003 through a merger of Singaporean land transport companies Comfort Group and DelGro Corporation.

[3] In May 1970, the National Trades Union Congress (NTUC) announced plans to provide a cooperative taxi and minibus service.

[10] The listed company was owned by Singapore Labour Foundation (41.7%), its owner-drivers as a single block (approximately 20%) and the public (35%).

[20] At the time of the merger announcement in 2002, DelGro operated public bus services, taxis and car rental in Singapore, Malaysia, United Kingdom and the People's Republic of China.

DelGro had also just been awarded the operation of the North East MRT line and the Sengkang and Punggol light rail systems.

[12] In its joint announcement, the merger aimed to "consolidate the transportation businesses of the Companies in order to enhance profitability and shareholder value".

Today, its Customer Contact Centre caters to over 32 million taxi bookings annually.

[26] On 20 April 2022, ComfortDelGro launched its mobile application under a fresh name to offer services through one platform.

[28] VICOM is offering testing and inspection services to a wide spectrum of industries such as automotive, petrochemical, aerospace, manufacturing, building, construction, marine and gas.

The Centre provides driving instruction for motorcars, motorcycles, bus and taxi vocational licences as well as corporate training.

[22][30] ComfortDelGro Rent-A-Car operates as a car-rental and leasing-service provider in Singapore with a fleet of more than 1,100 vehicles.

[22][31] ComfortDelGro Insurance Brokers is an associate company of the Group, and its principal activities relate to risk protection and transfer solutions through the disciplines of insurance broking, employee benefits consulting, risk management operations, claims and loss management and customised solutions.

[33] As of 2020, Moove Media offers an integrated outdoor advertisement platforms, reaching commuters islandwide, through: MRT & LRT lines operated by SBS Transit (with their respective stations inclusive): Since 2011, Moove Media offers similar outdoor advertising services in Sydney and Melbourne, Australia.

[51] In May 2019 ComfortDelGro acquired Blanch's Bus Company and Brunswick Valley Coaches in the Northern Rivers region.

[56] In China, the Group operates and manages an inter-city bus station, Tianhe Coach Terminal, in Guangzhou.

Hengyang's CityCab Bus Services, in which the Group owns a 25% stake, operates 88 buses.

Besides being a vehicle inspection centre, it also operates the sales of automotive parts and components in Chengdu.

[22][62] In Malaysia, ComfortDelGro offers car-leasing and rental services through CityLimo Leasing (M) Sdn Bhd.

[63] In addition to leasing, the company also provides a round-the-clock mobile back-up service that offers assistance to customers in the event of an emergency.

Fare revenue is then proportionately allocated to operators on a mileage basis and meeting the performance targets set in the contract.

[70] In May 2006, the Group acquired Onward Travel, a private car-hire business in Edinburgh, Scotland.

[77] Under ComfortDelGro, Adventure Travel has seen substantial expansion with a new rebrand and the termination of all overseas coach work due to the COVID-19 pandemic.

[83] [84] Comcab, also known as Computer Cab, operates taxis in London, Edinburgh, Aberdeen and Liverpool, and operates a fleet of 6,300 radio taxis and private hire vehicles providing a service to local business and private customers.

[89] Competition with Uber and Grab, along with spending with the aim of increasing service quality and maintaining the taxi fleet, led to a decrease in profit to only VNĐ235 million (US$10,300) in 2017.