96. Proact

Revenue: £45.1m (-8%)

Staff: 210

Supply chain issues blighted H2 of calendar 2021 for the UK arm of this pan-European storage specialist, sparking an eight per cent revenue dip (despite its integration of October 2020 acquisition Cetus Solutions during the period). Plans to add a NOC at its Manchester location have been approved, its strategic report stated. Operating in 13 countries and headquartered in Sweden, the wider Proact business boasts 1,000 staff and revenues approaching £300m.