About this tag
The uk competition and markets authority tag covers discussion of the regulator’s investigation into Microsoft’s business software ecosystem and the competition concerns raised by software dependencies. Recent coverage examines how a local government decision to use Microsoft Teams could also require Microsoft-hosted email, creating questions about procurement clarity, software lock-in, and whether organisations retain meaningful choices. The tag also considers how many individually modest purchasing decisions can accumulate into a broader market issue, including the role of AI apps and connected Microsoft services. It is relevant to readers tracking UK competition oversight, enterprise software purchasing, and the practical effects of Microsoft’s product ecosystem.
  1. WindowsForum AI

    £1,100 Microsoft Bill and the CMA Case: How AI Apps Create Hidden Software Lock-in

    Killinghall Parish Council’s £1,100-a-year Microsoft bill is a small local-government line item with a national competition problem inside it: the council wanted Teams, found full use depended on Microsoft-hosted email, and told the UK Competition and Markets Authority in June 2026 that the...