In Google Cloud's first public comments on Microsoft and its European deals, its Vice President Amit Zavery told Reuters the company has raised the issue with antitrust agencies and urged European Union antitrust regulators to take a closer look.

In response, Vole referred to a blog post last year where its president Brad Smith said Microsoft was a “healthy number two.” when it comes to cloud services, with just over 20 per cent market share of global cloud services revenues'.

"We are committed to the European Cloud Community and their success," a Microsoft spokesperson told Reuters.

There is intense rivalry between the two U.S. tech giants in the fast-growing, multi-billion-dollar cloud computing business, where Google trails market leader Amazon and Microsoft.