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 CMA plans to expand its probe into Amazon and Microsoft’s dominance in the cloud market, citing anti-competitive practices and lock-in effects under the new DMCC Act.

The UK’s top antitrust body just named names, and it is Microsoft and Amazon. On Thursday, the Competition and Markets Authority (CMA) said both companies are