Microsoft and Amazon , Face Antitrust Probe in UK.br Microsoft and Amazon , Face Antitrust Probe in UK.br On Oct. 5, Britain's Competition and Markets Authority (CMA) said it is investigating Microsoft and Amazon's cloud infrastructure services, CNN reports.br On Oct. 5, Britain's Competition and Markets Authority (CMA) said it is investigating Microsoft and Amazon's cloud infrastructure services, CNN reports.br The probe comes after the country's media and communications regulator, Ofcom, issued a report br stating that the U.K.'s supply of cloud infrastructure br is concentrated while competition is limited.br When examining Britain's cloud br infrastructure services market, .br Ofcom says that Microsoft and Amazon br Web Services (AWS) "had a combined market share of 70-80" last year, CNN reports.br Ofcom says that Microsoft and Amazon br Web Services (AWS) "had a combined market share of 70-80" last year, CNN reports.br Google, the closest competitor, br had a market share of 5-10.br We welcome Ofcom’s referral of br public cloud infrastructure services br to us for in-depth scrutiny. , Sarah Cardell, CMA CEO, via statement.br This is a £7.5 billion market br that underpins a whole host br of online services — from social br media to [artificial intelligence] br foundation models, Sarah Cardell, CMA CEO, via statement.br Many businesses now completely rely br on cloud services, making effective br competition in this market essential, Sarah Cardell, CMA CEO, via statement.br The investigation is expected br to conclude by April 2025.br The investigation is expected br to conclude by April 2025.br Amazon and Microsoft have agreed to "constructively" work with the CMA, CNN reports.br Amazon and Microsoft have agreed to "constructively" work with the CMA, CNN reports.br We are committed to ensuring the br U.K. cloud industry remains innovative, highly competitive and an accelerator for growth across the economy.