| Aberdeen Solicitors' Property Centre Limited | Aberdeen | 1978 |
| Aberdeen Storage Units Limited | Aberdeen | 2011 |
| Aberdeen Structural Engineering Ltd | Aberdeen | 2023 |
| Aberdeen Surveyors Limited | Aberdeen | 2006 |
| Aberdeen Tax and Accounting Services Ltd | Banchory | 2017 |
| Aberdeen Taxi Centre Limited | Aberdeen | 2007 |
| Aberdeen Tile Distributors Limited | Aberdeen | 2002 |
| Aberdeen Trading Limited | Aberdeen | 2024 |
| Aberdeen University Research and Industrial Services Limited | Aberdeen | 1981 |
| Aberdeen VETS4PETS Limited | Handforth | 2015 |
| Aberdeen Wine Education Ltd | Ellon | 2022 |
| Aberdeen.R.B Services Ltd | Aberdeen | 2011 |
| Aberdeenphoto.Com Limited | Aberdeen | 2008 |
| Aberdeenshire Commercial and Procurement Advisory Limited | Peterhead | 2023 |
| Aberdeenshire Electrical Services Ltd. | Dundee | 2013 |
| Aberdein Considine Secretarial Services Limited | Aberdeen | 2019 |
| Aberdein Considine Trustees Limited | Aberdeen | 2014 |
| Aberdein Considine Wealth Limited | Aberdeen | 2022 |
| Aberdein Consulting Limited | Edinburgh | 2024 |
| Aberdein Ltd | London | 2022 |
| Aberdein Turbine Control Services Ltd | Dundee | 2017 |
| Aberdino Ltd | Milton Keynes | 2021 |
| Aberdonian Business Consulting Ltd | Wakefield | 2026 |
| Aberdour Accountancy Services Ltd | Essex | 1998 |
| Aberdour Advisers Limited | Farnham | 2004 |
| Aberdour Properties Limited | Farnham | 2010 |
| Aberek Ltd | London | 2015 |
| Aberfeldy Consultancy Limited | Hamilton | 2009 |
| Aberfeldy Consultancy Services Ltd | Chichester | 2026 |
| Aberfeldy Limited | London | 2025 |
| Aberfeldy Management Consultancy UK Limited | London | 2026 |
| Aberfeldy Property Services Ltd | Chichester | 2026 |
| Aberfield Communications Limited | Leeds | 2012 |
| Aberford Accountants Limited | Doncaster | 2017 |
| Aberforge Ltd | Aberystwyth | 2025 |
| Aberfoss Limited | Banbury | 2019 |
| Abergele Insurance Consultants Holdings Limited | St Asaph | 2008 |
| Aberko Limited | Glasgow | 1994 |
| Aberland World Service Ltd | Oxford | 2024 |
| Aberley HIX Ltd | London | 2012 |
| Aberley Limited | St. Albans | 1996 |
| Aberloon Services Ltd | Aberdeen | 2025 |
| Aberlour Distillery Company Limited | Dumbarton | 1950 |
| Abermay Ltd | London | 2021 |
| Abermedia Ltd | Ellon | 2019 |
| Abermuir Limited | Dundee | 2011 |
| Abernedd Power Company Limited | Reading | 2007 |
| Abernethy Business Consulting Ltd | North Dorset | 2015 |
| Abernon Consultancy Ltd | Reigate | 2025 |
| Aberrant Architecture Limited | London | 2008 |
| Aberrant Perspectives Limited | Mediacityuk | 2021 |
| Aberrot Limited | East Dulwich | 1959 |
| Abers Software Ltd | | 2003 |
| Abersea Engineering Limited | Weston-Super-Mare | 2014 |
| Abersign Ltd | Fishguard | 2018 |
| Abersoft Technology Limited | Pwllheli | 2026 |
| Abertawe Accountancy Services Limited | Swansea | 1996 |
| Abertawe Engineering Services Ltd | Llanelli | 2010 |
| Abertay Associates Limited | Inverness | 2016 |
| Abertech Services Limited | Milltimber | 2012 |
| Aberteg Ltd | Chester | 2022 |
| Aberthau Consulting Ltd | London | 2018 |
| Abervat Limited | Aberdeen | 2009 |
| Abervere Ltd | Bromley | 2025 |
| Abervino Limited | Edgware | 2014 |
| Aberwell Limited | Livingston | 2002 |
| Abery Business Consulting Ltd | Saxmundham | 2021 |
| Aberystwyth Animal Health Laboratory Ltd | Aberystwyth | 2014 |
| Aberystwyth Management Company Ltd | Aberystwyth | 2007 |
| Abess & Co Limited | Hatfield | 2018 |
| Abest Accounting Ltd | Newcastle Upon Tyne | 2017 |
| Abest Accounts & Payroll Ltd | Newcastle Upon Tyne | 2025 |
| Abest Services Limited | Swansea | 2013 |
| Abet Enterprises Limited | Slough | 2014 |
| Abet Group Ltd | London | 2025 |
| Abeta Accountancy Ltd | Ashford | 2005 |
| Abeto Limited | Nottingham | 2007 |
| Abetos Associates Limited | Manchester | 2023 |
| Abetta Project Delivery Ltd | Belfast | 2025 |
| Abetterwayuk Limited | Portsmouth | 2025 |
| Abettor Consulting Limited | Christchurch | 2016 |
| Abetzi Ltd | London | 2023 |
| Abex Design Ltd | Neston | 2021 |
| Abex Engineering Limited | Halifax | 1987 |
| Abex Solutions Ltd | Sheffield | 2022 |
| Abey Developments (UK) Limited | Grimsby | 2005 |
| Abey London Limited | London | 2017 |
| ABF Accounting Services Ltd | Luton | 2023 |
| ABF Advisory Ltd | Manchester | 2023 |
| ABF Consultancy Ltd | London | 2015 |
| ABF Design and Consultancy Ltd | Liverpool | 2025 |
| ABF Europe Finance Limited | London | 2011 |
| ABF European Holdings Limited | London | 1971 |
| ABF Food Tech Investments Limited | London | 1920 |
| ABF Grocery Limited | London | 1934 |
| ABF Highways Limited | Rochester | 2025 |
| ABF Investments (NO.2) Limited | London | 2023 |
| ABF Investments PLC | London | 1935 |
| ABF Japan Limited | London | 1951 |
| ABF Overseas Limited | London | 1997 |