Inmarsat (LSE: ISAT) is a British satellite telecommunications company, offering global mobile services. It provides telephone and data services to users worldwide, via portable or mobile terminals which communicate with ground stations through fourteen geostationary telecommunications satellites.[3] Inmarsat's network provides communications services to a range of governments, aid agencies, media outlets and businesses (especially in the shipping, airline and mining industries) with a need to communicate in remote regions or where there is no reliable terrestrial network. The company was listed on the London Stock Exchange until it was acquired by Connect Bidco, a consortium consisting of Apax Partners, Warburg Pincus, the CPP Investment Board and the Ontario Teachers' Pension Plan, in December 2019.

Inmarsat Global Ltd.
TypePrivate company
IndustrySatellite communication
Founded1979; 42 years ago (1979)
HeadquartersLondon, England, UK
Key people
RevenueUS$1,465.2 million (2018)[1]
US$288.7 million (2018)[1]
US$125.0 million (2018)[1]
Number of employees
1,500 (2019)[2]
Inmarsat-3 satellite
Inmarsat satellite telephone in use after a natural disaster in Nias, Indonesia. The unit depicted was manufactured by Thrane & Thrane A/S of Denmark. (April 2005)