The Competition and Markets Authority (CMA) issued its final report Thursday following a nearly three-year-long investigation that began with a review by Ofcom and was handed over to the CMA in October 2023.

The findings conclude that Microsoft and Amazon hold "significant unilateral market power" in the UK's cloud infrastructure services market – a dominance that the regulator says has led to financial returns far outpacing their capital investments.

According to the report [pdf], Microsoft Azure and Amazon Web Services (AWS) each control 30% to 40% of UK customer spending in the infrastructure-as-a-service (IaaS) market, a segment that includes processing, storage, and networking via remote datacentres.

Read the full article on Computing here.