Oxygen 250 2026

Gross invoiced income: £2.1bn (+16%) Staff: 1,150 This LSE-listed software licensing, cloud and security giant has “a very ambitious growth target for the next few years and is...

Revenue: £1.11bn (-1%) Staff: 1,577 Built on the 2015 acquisition of Kelway, the UK arm of the world’s largest reseller claims to have 5,500 clients, including 30% of...

Revenue: £915.7m (-3%) Staff: 2,101 The Rigbys remain “deeply committed” to this Birmingham-based reseller and services firm 50 years after its inception, Sir Peter Rigby stressed as he...

GII: £741.7m (+16%) Staff: 998 This York-based public sector-focused VAR is “on a trajectory towards” £1bn GII following its “yinyang” merger with private sector-leaning peer Ultima in October,...

Revenue: £540m (+61%) Staff: 662 XMA began 2026 with a bang, promoting Kelvin Lee to CEO, moving its HQ from St Albans to Reading and opening a Glasgow...

Revenue: £506.8m (-52%) Staff: 909 Headline revenues at this Portsmouth-based IT infrastructure provider roughly halved in its year to 31 March 2025 as it chose to go forward...

Revenue: £483.4m (-3%) Staff: 1,187 Services and solutions were a “key strategic focus” for the UK arm of this global reseller in calendar 2024 as it posted higher...

Revenue: £452m (0%) Staff: 1,400 Advania UK now possesses “all the capabilities and vendor relationships needed to manage clients’ entire IT spend”, Group CEO Hege Støre proclaimed last...