Nvidia £30 billion takeover of ARM faces national security inquiry

Nvidia chief executive and president Jensen Huang founded the company in 1993
Nvidia chief executive and president Jensen Huang founded the company in 1993
MANDEL NGAN/AFP/GETTY IMAGES

Ministers are poised to pull the trigger on a full-blown investigation into the sale of ARM, Britain’s biggest technology company, in a move that threatens to scupper the controversial $40 billion (£30 billion) deal.

Nadine Dorries, digital and culture secretary, will this week order a “phase 2” probe into US chip giant Nvidia’s acquisition of the Cambridge-based semiconductor design company from Japan’s SoftBank. She will instruct the competition watchdog to carry out an in-depth inquiry into antitrust concerns, as well as scrutinise national security fears raised by the takeover, which was agreed in September 2020.

The Competition & Markets Authority said it had “serious competition concerns” after delivering its findings from the “phase 1” probe in July to Dorries’ predecessor, Oliver Dowden. Dorries must accept