The UK's Competition and Markets Authority (CMA) has launched a formal investigation into Amazon Web Services (AWS) and Microsoft Azure, scrutinizing their dominance in the cloud computing sector. This probe could reshape the competitive landscape for UK businesses relying on cloud services, with potential implications for pricing, innovation, and market accessibility.

Why the CMA is Investigating AWS and Azure

The CMA's investigation stems from concerns that AWS and Azure collectively control over 70% of the UK's cloud infrastructure market. Key issues under examination include:

  • Anti-competitive licensing practices (particularly Microsoft's software bundling with Azure)
  • Egress fees making it expensive to switch providers
  • Discount structures that may lock customers into long-term commitments
  • Interoperability barriers between cloud platforms

Microsoft Azure Under the Microscope

Microsoft faces particular scrutiny regarding:

  1. Windows Server licensing costs when run on competing clouds
  2. Office 365 integration advantages with Azure
  3. Hybrid cloud incentives favoring Azure Stack

A 2022 Ofcom study found Microsoft's practices added 15-20% to costs when using alternatives to Azure.

Potential Outcomes of the Investigation

The CMA could impose several remedies if it finds anti-competitive behavior:

  • Mandatory interoperability standards
  • Price caps on egress fees
  • Restrictions on discount structures
  • Divestiture requirements (in extreme cases)

Impact on UK Businesses

For UK organizations, this investigation may lead to:

  • More cloud provider choices as smaller competitors gain footing
  • Reduced costs through increased competition
  • Better portability between cloud platforms
  • More innovation in niche cloud services

Timeline and Next Steps

The CMA expects to:

  • Publish preliminary findings by Q2 2024
  • Consult with industry through 2024
  • Issue final orders by early 2025

This investigation coincides with the EU's Digital Markets Act, creating potential for coordinated regulatory action across Europe.

What Businesses Should Do Now

Organizations using AWS or Azure should:

  1. Review current cloud contracts for flexibility clauses
  2. Document any vendor lock-in experiences
  3. Participate in CMA's consultation process
  4. Evaluate alternative providers like Google Cloud or UK-based options

While the investigation unfolds, businesses may see more competitive offerings from cloud providers aiming to demonstrate market fairness.