| AXA XL Underwriting Agencies Limited | London | 1984 |
| Axair Group Limited | Newcastle Under Lyme | 2019 |
| Axajans Holdings Limited | London | 2025 |
| Axalta Coating Systems U.K. (2) Limited | Welwyn Garden City | 2013 |
| Axalta Coating Systems U.K. (3) Limited | Welwyn Garden City | 2023 |
| Axalta Coating Systems UK Holding Limited | Welwyn Garden City | 2012 |
| AXC Investment Ltd | Lancing | 2019 |
| Axcel Capital Ltd | London | 2026 |
| AXCELLOR8 Limited | Harrow On The Hill | 2018 |
| Axcess International (UK) Ltd | London | 2017 |
| Axcess Merchant Services Limited | Leeds | 2007 |
| Axcess Payments Group Limited | Leeds | 2023 |
| Axco Insurance Information Services Limited | Birmingham | 1995 |
| Axcor Holding Ltd | London | 2026 |
| Axcorn Holdings Ltd | Cheadle | 2026 |
| AXD Holdings Ltd | Bolton | 2026 |
| AXE Asset Management Ltd | Sevenoaks | 2022 |
| AXE Capacity Management Ltd | New Eltham | 2025 |
| AXE Capital FS Ltd | Rugby | 2016 |
| AXE Capital Inc Limited | Ilford | 2024 |
| AXE Capital Limited | Sevenoaks | 2022 |
| AXE Capital Management Limited | Edinburgh | 2019 |
| AXE Estates Limited | London | 2017 |
| AXE Gatvol Limited | London | 2024 |
| AXE Head Contracting Ltd | Christchurch | 2016 |
| AXE Holdings Management Limited | Loughton | 2024 |
| AXE Ventures Limited | Nuneaton | 2021 |
| Axea Holdings Limited | Stockton On Tees | 2017 |
| Axea Investments Limited | Belfast | 2025 |
| Axel Investments Limited | Northampton | 2021 |
| Axela Solutions Limited | London | 2024 |
| Axelium Capital Advisory Limited | London | 2019 |
| Axelium Capital Investments Limited | London | 2020 |
| Axelle Group Holdings Limited | Warrington | 2024 |
| Axelstone Holdings Ltd | Bromsgrove | 2025 |
| Axem Holdings Limited | Newcastle Upon Tyne | 2019 |
| Axeman Investments Ltd | Cheadle | 2025 |
| Axenetra Global Positions Ltd | London | 2025 |
| Axent Brokers Ltd | Wolverhampton | 2016 |
| Axent Investments Ltd | Buckinghamshire | 2001 |
| AXENT2N Limited | London | 2019 |
| Axentin Accounting Ltd | London | 2019 |
| Axentin Limited | London | 2014 |
| Axento Capital Ltd | Skelmersdale | 2025 |
| Axentra Holding Limited | London | 2025 |
| Axentra Holdings & Investments Ltd | Dudley | 2024 |
| Axepoint Capital Limited | London | 2018 |
| Axes Holdings Limited | Stourbridge | 2023 |
| Axes Investments Limited | Maidstone | 2012 |
| Axeus Consulting Limited | Bridgwater | 2017 |
| Axevara Holdings Ltd | Horsham | 2026 |
| AXF Limited | London | 2023 |
| AXG Wealth Ltd | Woking | 2025 |
| Axholme Fisheries Holdings Limited | Doncaster | 2024 |
| AXI Capital Group Ltd | London | 2026 |
| AXI D&E Group Limited | Hull | 2024 |
| AXI Digital (UK) Limited | London | 2023 |
| AXI Financial Services (UK) Limited | London | 2007 |
| AXI Group Holdings Limited | Hull | 2022 |
| Axia Capital Advisors Limited | London | 2014 |
| Axia Capital Limited | Herts | 2005 |
| Axia Consortium Limited | Watford | 2001 |
| Axia Financial Limited | London | 2025 |
| Axia Group Holdings Ltd | Liverpool | 2025 |
| Axia Markets Pro Limited | London | 1994 |
| Axia UK Holdings Ltd | Liverpool | 2026 |
| Axial Enterprises Limited | London | 2011 |
| Axial Global Limited | London | 2026 |
| Axial Global Ventures Limited | London | 2026 |
| Axial Health Ltd | London | 2026 |
| Axial Media Limited | Caistor | 2023 |
| Axian Capital Management Limited | Kingston Upon Thames | 2020 |
| Axiata Investments (UK) Limited | London | 2015 |
| Axielmax Capital Limited | Colchester | 2025 |
| Axify Limited | Nottingham | 2025 |
| Axil Capital Limited | Purley | 2022 |
| Axillium Holdings Limited | Lowestoft | 2023 |
| Axim Group Ltd | London | 2023 |
| Aximora Corp Ltd | London | 2025 |
| Axinite Energy Limited | London | 2011 |
| Axinu Ltd | Manchester | 2025 |
| Axiom (Leicester) Limited | Leicester | 2008 |
| Axiom BS Holdings Ltd | Cheltenham | 2023 |
| Axiom Building Solutions Group Ltd | Sutton Coldfield | 2026 |
| Axiom Capital Ventures Ltd | London | 2023 |
| Axiom Care Group Ltd | Hemel Hempstead | 2022 |
| Axiom Core Ventures Ltd | Banstead | 2025 |
| Axiom Dyad Technologies Ltd | Kington | 2026 |
| Axiom Education (Edinburgh) Holdings Limited | Uxbridge | 2006 |
| Axiom Education (Perth & Kinross) Holdings Limited | Uxbridge | 2005 |
| Axiom Engineering Group Ltd | Tamworth | 2021 |
| Axiom Financial Planning Limited | Dorking | 2010 |
| Axiom Financial Services Ltd | Oxford | 2006 |
| Axiom Fleet Holdings Limited | Peterborough | 2021 |
| Axiom Gdtr Limited | Farnham | 2023 |
| Axiom Global Capital Ltd | London | 2026 |
| Axiom Global Payroll UK Parent, Ltd. | London | 2024 |
| Axiom Holdco Ltd | London | 2026 |
| Axiom Hospitality Limited | London | 2020 |
| Axiom IFS Group Ltd | London | 2022 |