| 00361265 Limited | Arts & recreation | 1940 |
| 1 Crabtree Road Management Limited | Hospitality | 2012 |
| 11 Frame Films Limited | Information & communication | 2018 |
| 11 Neswick Street Management Co. Ltd | Real estate | 2015 |
| 1440 Ltd | Manufacturing | 2015 |
| 156 Bathurst Gardens Management Company Limited | Households | 1996 |
| 16 Beams Trading Ltd | Information & communication | 2024 |
| 1997 European Property Investments Limited | Real estate | 2007 |
| 1ST Class Auto Repairs Ltd | Manufacturing | 2014 |
| 1ST Fire Solutions Ltd | Construction | 2003 |
| 1STMAN Ltd | Manufacturing | 2021 |
| 21 Epsom Road RTM Company Limited | Households | 2018 |
| 214 Westward Road Limited | Households | 2025 |
| 21C Innovations Ltd | Manufacturing | 2017 |
| 22 Yards Cricket Centre Ltd | Arts & recreation | 2023 |
| 25 Bromells Road Management Company Limited | Households | 2005 |
| 27 Lansdown Management Company Limited | Households | 2023 |
| 28 Maude Road Residents Association Limited | Administrative & support | 1988 |
| 28 Strathblaine Residents Association Limited | Households | 1995 |
| 29 CU & Co. Ltd | Professional & scientific | 2015 |
| 2TF Ltd | Information & communication | 2018 |
| 3 Esmond Road Management Company Ltd | Households | 2013 |
| 3 Hand Design Limited | Professional & scientific | 2016 |
| 35 Percent Ltd | Professional & scientific | 2018 |
| 36 West Ltd | Information & communication | 2025 |
| 369 Rapid Recovery Ltd | Transport & logistics | 2026 |
| 3JN Ltd | Administrative & support | 2008 |
| 41 Curzon Road Limited | Households | 2003 |
| 47 Stratford Road Management Company Limited | Households | 1998 |
| 5 Valley Alarms Ltd | Construction | 2012 |
| 5 Valley's Lifting Ltd | Construction | 2024 |
| 53 High Street Management Company Limited | Real estate | 2013 |
| 55 High Street Management Company Ltd | Households | 2013 |
| 55 Parklands Malmesbury Limited | Real estate | 2012 |
| 5VHIRE Ltd | Administrative & support | 2023 |
| 63 Exmouth Street RTM Company Limited | Households | 2013 |
| 64 Million Artists Ltd | Arts & recreation | 2014 |
| 64 Slad Road Management Company Limited | Households | 2003 |
| 64 Stafford Road (Caterham) Limited | Households | 2002 |
| 71 Sugden Road Limited | Professional & scientific | 2004 |
| 74 Bath Road Management Limited | Hospitality | 1989 |
| 7OFFICE Supplies Ltd | Wholesale & retail | 2013 |
| 987 Limited | Professional & scientific | 2009 |
| A C Cleaning Services (Gloucestershire) Limited | Administrative & support | 2014 |
| A C Reclamation (2025) Limited | Construction | 2019 |
| A Dunne Consultants Limited | Real estate | 2025 |
| A GUY I Know Limited | Education | 2021 |
| A Latham Building Services Ltd | Construction | 2012 |
| A Maisuria Limited | Professional & scientific | 2023 |
| A Spider's Web Studio Limited | Information & communication | 2025 |
| A Star Mechanical Ltd | Construction | 2022 |
| A Star Smile Limited | Health & social care | 2019 |
| A&E Street Food Limited | Hospitality | 2025 |
| A&S Wright Property Management Ltd | Real estate | 2021 |
| A+Bility Limited | Health & social care | 2009 |
| A-Tech Installations Limited | Construction | 2012 |
| A-Tech Offshore Limited | Professional & scientific | 2014 |
| A. D. Decorators Limited | Construction | 2006 |
| A.G.W. Howell (Builder) Limited | Construction | 2006 |
| A1 Commercial Cleaning Ltd | Administrative & support | 2013 |
| A1 Cotswold Carpet Cleaners Ltd | Administrative & support | 2003 |
| AAA Removals & Storage Ltd | Transport & logistics | 2024 |
| Aapt Retail Ltd | Wholesale & retail | 2024 |
| Aaron MAY Ltd | Arts & recreation | 2026 |
| Aaron Smith Catering Limited | Hospitality | 2017 |
| AB Carpentry South West Limited | Construction | 2019 |
| AB Design Flooring Ltd | Administrative & support | 2009 |
| Abacus Upholstery Contracts Ltd | Other services | 2015 |
| Abberley Design Limited | Professional & scientific | 2002 |
| Abbeyhall Limited | Transport & logistics | 2006 |
| Abbott Portfolio Ltd | Real estate | 2024 |
| ABE Advertising Limited | Professional & scientific | 2025 |
| Abels Surveyors Ltd | Professional & scientific | 1999 |
| Aberlink Holdings Limited | Financial services | 2020 |
| Aberlink Limited | Manufacturing | 2011 |
| Abhc Limited | Extraterritorial | 2008 |
| Abigail Edwards Limited | Professional & scientific | 2009 |
| Ability Inclusion CIC | Education | 2016 |
| Ability Supported Living Limited | Health & social care | 2013 |
| Abjc Ltd | Administrative & support | 2024 |
| Ablegrowth Ltd | Professional & scientific | 2014 |
| Abode Clearances Limited | Other services | 2012 |
| Absolute Design Limited | Wholesale & retail | 2020 |
| Absolutely Fabulous Beauty Limited | Other services | 2023 |
| Accountants and Taxation Agents Limited | Professional & scientific | 2002 |
| Ace Comfort Cooling Ltd | Construction | 2007 |
| Ace of Spades Gardens of Gloucestershire Ltd | Administrative & support | 2024 |
| ACJ Air Conditioning & Heating Ltd | Energy | 2020 |
| Acre Planning Ltd | Professional & scientific | 2018 |
| Acre Wines Ltd | Wholesale & retail | 2025 |
| Actionflux Limited | Information & communication | 1988 |
| Active Wardrobe Limited | Wholesale & retail | 2019 |
| Actnow Coaching Ltd | Extraterritorial | 2024 |
| Acupuncture-Guru Limited | Health & social care | 2015 |
| AD Cave Solutions Limited | Health & social care | 2015 |
| ADD My Support Limited | Information & communication | 2008 |
| Admin Centre Ltd | Professional & scientific | 2014 |
| Adtech Holdings Limited | Professional & scientific | 2017 |
| Advantage Equipment Ltd | Wholesale & retail | 2011 |
| Advantage Networks (UK) Ltd | Information & communication | 2009 |