Revenue: £98.8m (+50%)
Headcount: 474
Calendar 2022 revenues rocketed 50% at this MML Capital-backed managed IT and comms provider as recent acquisitions – notably Circle IT – showed up in its numbers. It rebranded from Arrow Business Communications in November 2023 amid efforts to bring its cloud, collaboration and sustainability businesses onto a shared platform. Collaboration generated £51m of its £99m top line, with connectivity, cloud & infrastructure and cyber contributing £11m, £33m and £4m apiece.
Oxygen ice-breaker: Every employee at this Microsoft, Dell, Aruba, Gamma and Mitel partner has a shareholding in the business.