52. Advania UK

Revenue: £81.1m (-4.1%)

Staff: N/A

Advania is the newly unveiled brand of Microsoft partner Content+Cloud, which was acquired by the Nordic reseller in December 2022.

The London-based Microsoft partner, which billed itself as a cloud services and digital transformation provider, generated revenues of £81.1m for its year ending 31 March 2022 and ranked dropped one place in this year's list.

But with the added Advania scale, this outfit is poised for growth in the coming years, according to CEO Geoff Kneen.

In the time since the acquisition, Advania's business has been helping clients accelerate their adoption of AI and automation.