LONDON — Microsoft has announced a significant investment of £22 billion (approximately $30 billion) in the United Kingdom, aimed at bolstering artificial intelligence infrastructure and operations from 2025 through 2028. This substantial financial commitment includes $15 billion dedicated to constructing a supercomputer designed to meet the growing demand for AI technology.

Brad Smith, Microsoft’s vice chair and president, emphasized the significance of this investment during a press briefing. He noted that it would represent over two-thirds of all tech investment announcements made in the UK this week. Smith asserted that the focus is on tangible contributions rather than mere promises, assuring stakeholders of the sincerity behind each pound committed.

The investment announcement coincided with a £5 billion investment by Google aimed at enhancing AI efforts in the UK, which Smith referenced as a backdrop to highlight Microsoft’s notable financial commitment. He characterized the new investment as a “very substantial increase” compared to previous funding levels.

Smith detailed that this investment would facilitate the creation of the country’s largest supercomputer, featuring more than 23,000 advanced GPUs, in collaboration with the UK-based Nscale. This move signifies not only Microsoft’s financial commitment but also its intention to deepen partnerships within the UK tech ecosystem, enhancing existing data centers while expanding capabilities.

The timing of Microsoft’s announcement aligns with the arrival of US President Donald Trump in Britain for his second state visit. While Smith clarified that the investment was not a request from the Trump administration, he acknowledged that the UK government’s timing of the announcement was fortuitous.

This latest move marks a stark contrast to Microsoft’s previously strained relationship with the UK. Just a couple of years back, Smith openly criticized the UK’s Competition and Markets Authority for blocking a major acquisition involving Activision Blizzard, expressing that his confidence in the UK was “severely shaken.” Recently, however, he has praised the regulatory environment, reflecting a shift in Microsoft’s perspective on doing business in the UK.

In his remarks, Smith commended both the administration of former Prime Minister Rishi Sunak and the current government led by Prime Minister Keir Starmer for their efforts in reforming planning processes, increasing electricity supply, and creating a more stable regulatory landscape that supports large-scale investments.

The investment also highlights the ongoing competition among tech giants, as Google has confirmed the opening of a new data center in Waltham Cross, Hertfordshire. Chancellor Rachel Reeves referred to this development as a “powerful vote of confidence” in the UK’s economy. Meanwhile, Starmer echoed similar sentiments regarding Microsoft’s investment, calling it a validation of the UK’s leadership in AI and innovation.

Half of Microsoft’s considerable investment will be directed toward ongoing operations in the UK, reinforcing its commitment to its workforce of approximately 6,000 employees. Despite the closure of its flagship store in London earlier this year, Microsoft maintains a robust presence in the country, with offices in key locations such as Cambridge and Reading.

This substantial investment signals a commitment to advancing AI capabilities and fostering technological growth in the UK, reinforcing the nation’s position as a critical player in the global tech landscape.