| Abbeymultilinks Limited | Construction | 2021 |
| Abbeynest Limited | Information & communication | 1998 |
| Abbeynet Enterprises Limited | Professional & scientific | 1987 |
| Abbeyquest Limited | Other services | 2021 |
| Abbeyrockins Limited | Transport & logistics | 2025 |
| Abbeys Trading Company Ltd | Hospitality | 2023 |
| Abbeyson One Limited | Construction | 2015 |
| Abbeyspring Management Ltd | Households | 2023 |
| Abbeystar Limited | Other services | 2026 |
| Abbeystead Estates Limited | Construction | 1974 |
| Abbeystone Properties Limited | Real estate | 2017 |
| Abbeytown Limited | Construction | 1975 |
| Abbeyunion Limited | Real estate | 1997 |
| Abbeyvalley Limited | Real estate | 2018 |
| Abbeyway Ltd | Households | 2022 |
| Abbeywell Associates Ltd | Administrative & support | 2026 |
| Abbeywest Management Limited | Real estate | 2010 |
| Abbeywest Solutions Limited | Other services | 2026 |
| Abbeywillow Properties Limited | Real estate | 1997 |
| Abbeywise Limited | Other services | 2018 |
| Abbeywood DRY Cleaners Ltd | Administrative & support | 2016 |
| Abbeywood Properties Ltd | Real estate | 2019 |
| Abbeywoods Global Limited | Financial services | 2018 |
| Abbeyworld Avenue Limited | Real estate | 2017 |
| Abbeyworld Limited | Professional & scientific | 1999 |
| Abbeyworld Property Limited | Financial services | 2017 |
| Abbeyx Ltd | Information & communication | 2021 |
| Abbey’S Kitchen & Pasties Royale Limited | Hospitality | 2026 |
| Abbf Ltd | Manufacturing | 2017 |
| Abbi & ME Ltd | Professional & scientific | 2014 |
| Abbi Becka Accountancy Limited | Professional & scientific | 2010 |
| Abbi Hire Ltd | Wholesale & retail | 2015 |
| Abbi Property Maintenance and Developers Ltd | Administrative & support | 2016 |
| Abbicoleman Ltd | Health & social care | 2022 |
| Abbie DE Bunsen Design Limited | Arts & recreation | 2009 |
| Abbie Gagaboxs Limited | Wholesale & retail | 2025 |
| Abbie MAC Limited | Construction | 2016 |
| Abbie Whitehead Architects Ltd | Professional & scientific | 2023 |
| Abbieglo Ltd | Wholesale & retail | 2024 |
| Abbies Driving School Ltd | Education | 2019 |
| Abbies Properties Limited | Real estate | 2015 |
| Abbigrace Productions Limited | Information & communication | 2022 |
| Abbiih Limited | Wholesale & retail | 2015 |
| Abbili Limited | Information & communication | 2019 |
| Abbingdon Knight LLP | | 2011 |
| Abbingdons 2 Limited | Extraterritorial | 2011 |
| Abbingley Limited | Manufacturing | 2018 |
| Abbington Contracts & Services UK Ltd | Construction | 2017 |
| Abbis Meat Ltd | Wholesale & retail | 2017 |
| Abbiss Cadres LLP | | 2008 |
| Abbiys Limited | Information & communication | 2017 |
| Abbl Construction Ltd | Construction | 2024 |
| Abbled Limited | Other services | 2020 |
| Abbnan Limited | Professional & scientific | 2002 |
| Abbnex Limited | Wholesale & retail | 2025 |
| Abbon Limited | Manufacturing | 2026 |
| Abbot Fire Group HC Limited | Financial services | 2013 |
| Abbot Fire Group Limited | Manufacturing | 2002 |
| Abbot Homes Limited | Households | 1981 |
| Abbot Management Services Limited | Real estate | 1974 |
| Abbot Secretaries Limited | Professional & scientific | 1974 |
| Abbotdeal Property Management Company Limited | Households | 1996 |
| Abbotplace Limited | Real estate | 1996 |
| Abbots Group Ltd | Construction | 2026 |
| Abbots House Freehold Limited | Households | 2007 |
| Abbots Park RTM Company Limited | Households | 2026 |
| Abbots Properties Limited | Real estate | 2017 |
| Abbots Property Services Limited | Real estate | 2017 |
| Abbots Ripton Solar Energy Holding Limited | Energy | 2011 |
| Abbots Ripton Solar Energy Limited | Energy | 2013 |
| Abbotsbury House Management Company Limited | Households | 1962 |
| Abbotsford Avenue N15 Limited | Households | 2022 |
| Abbotsford Funding Issuer PLC | Administrative & support | 2022 |
| Abbotsford Funding Limited | Administrative & support | 2022 |
| Abbotsford Industries Limited | Information & communication | 2026 |
| Abbotsford Property Group Limited | Real estate | 2016 |
| ABBOTSFORD-68 Ltd | Real estate | 2020 |
| Abbotshall Cafe Trading Limited | Hospitality | 2025 |
| Abbotshall Healthy Lifestyle Centre | Arts & recreation | 2018 |
| Abbotshaugh Energy Storage Limited | Other services | 2021 |
| Abbotsound Investments Limited | Financial services | 2010 |
| Abbotstar Trading Ltd | Professional & scientific | 2006 |
| Abbotstone Law LLP | | 2013 |
| Abbotstone Limited | Real estate | 2019 |
| Abbotsview Management Limited | Households | 2015 |
| Abbotswood Amenity Land Limited | Households | 1996 |
| Abbotswood Drive Management Ltd | Households | 2017 |
| Abbotswood Premises Limited | Real estate | 2019 |
| Abbotswood Tax Ltd | Extraterritorial | 2021 |
| Abbott & Abbott Eyewear Limited | Manufacturing | 2024 |
| Abbott & Abbott Holdings Limited | Financial services | 2020 |
| Abbott & Abbott Limited | Wholesale & retail | 2014 |
| Abbott & Abbott Pangbourne Limited | Wholesale & retail | 2021 |
| Abbott & Abbott Retail Limited | Wholesale & retail | 2018 |
| Abbott and Brown Limited | Professional & scientific | 2025 |
| Abbott and Holder Limited | Administrative & support | 2000 |
| Abbott and Taylor Limited | Information & communication | 2012 |
| Abbott Baker Limited | Wholesale & retail | 2023 |
| Abbott Capital (Europe), Ltd | Other services | 2011 |
| Abbott Cycles Ltd | Manufacturing | 2023 |