Amazon is still the biggest cloud provider. But amid the AI boom, analysts wonder if Microsoft is catching up.

The dominant position of Amazon and Microsoft in cloud computing is harming competition, with their impact exacerbated by technical and commercial barriers to switching, an inquiry group from Britain's antitrust regulator said.

The UK’s cloud computing market is “not working well” and conduct requirements should be considered for the sector’s two main players, Microsoft and Amazon, according to the competition watchdog.The final report from an independent inquiry group of the Competition and Markets Authority (CMA) has found that Microsoft and Amazon Web Services (AWS) are hurting competition in the cloud computing sector.