| "Waffle Waffle" | | 2006 |
| 1 Onkar Estates Limited | Real estate | 2024 |
| 1 Product Choice Ltd | Wholesale & retail | 2020 |
| 1-4 Trevor Close Management Company Limited | Households | 2000 |
| 10/11 Mulberry Close Freehold Limited | Real estate | 2010 |
| 12 Way Records Ltd | Information & communication | 2021 |
| 121 Embroidery & Print Ltd | Manufacturing | 2025 |
| 123-125 Eastcote Lane Ltd | Households | 2025 |
| 13 to 16 Barn Close Limited | Households | 2020 |
| 1414A Ltd | Extraterritorial | 2017 |
| 15&16 Gulliver Close Freehold Limited | Real estate | 2017 |
| 15-17 Newbury Way Freehold Limited | Households | 2009 |
| 17 to 20 Barn Close Freehold Limited | Real estate | 2016 |
| 1978 Coffee Roasters Ltd | Wholesale & retail | 2026 |
| 1ST BMG Motor Group Ltd | Wholesale & retail | 2025 |
| 1ST House Limited | Other services | 2021 |
| 2014 Construction Limited | Construction | 2013 |
| 28/30 Harvey Road (Ealing) Limited | Households | 2013 |
| 3-FOLD GBL Ltd | Wholesale & retail | 2024 |
| 30 Eaves Street Limited | Real estate | 2022 |
| 35 RRW Witney Limited | Transport & logistics | 2021 |
| 3A London Ltd | Health & social care | 2023 |
| 3CA Interiors Ltd | Wholesale & retail | 2021 |
| 3COM Network Solutions Ltd | Information & communication | 2011 |
| 3D Cabinet Flow Ltd | Extraterritorial | 2024 |
| 3WILL Care Ltd | Administrative & support | 2023 |
| 4 Beaver Ltd | Construction | 2018 |
| 4 U Food & Wine Ltd | Construction | 2015 |
| 4NG Properties Ltd | Real estate | 2025 |
| 5 Rivers Windows & Doors Ltd | Construction | 2024 |
| 51-53 Dabbs Hill Lane Northolt Limited | Households | 2022 |
| 53 Layered Design Ltd | Manufacturing | 2025 |
| 5KIRONWHEELS Ltd | Transport & logistics | 2025 |
| 5RIVER Craves Ltd | Wholesale & retail | 2025 |
| 5YZD Group Ltd | Construction | 2018 |
| 6STAR Trading Ltd | Wholesale & retail | 2020 |
| 7 Days Connection Limited | Administrative & support | 2018 |
| 7 Heaven Property Limited | Real estate | 2024 |
| 7 Street Engineering Ltd | Construction | 2024 |
| 777 Jamaican Catering Ltd | Hospitality | 2024 |
| 99AV Ltd | Real estate | 2021 |
| A & a Accounting Solutions Limited | Professional & scientific | 2018 |
| A B GAS and Plumbing Nation Ltd | Construction | 2025 |
| A I Technology Solutions Ltd | Professional & scientific | 2012 |
| A J Car Hire Ltd | Transport & logistics | 2007 |
| A K Kitchen & Bedroom Ltd | Construction | 2021 |
| A One Beauty Ltd | Wholesale & retail | 2020 |
| A Team Fitness Ltd | Arts & recreation | 2022 |
| A&C Construction Limited | Construction | 2017 |
| A&D Subhsmit Ltd | Real estate | 2025 |
| A&L Structural Alterations Ltd | Construction | 2015 |
| A&M Universal Enterprise Ltd | Hospitality | 2025 |
| A&S Beverages Ltd | Wholesale & retail | 2024 |
| A&T Pharmacare Ltd | Professional & scientific | 2024 |
| A&V Real Estate Ltd | Real estate | 2026 |
| A-Ghg Ltd | Other services | 2019 |
| A.C. Vaale Ltd | Construction | 2021 |
| A.L.L Buildings Development Ltd | Construction | 2025 |
| A1 Concrete & Pumping Ltd | Administrative & support | 2017 |
| A1 Consultants Ltd | Professional & scientific | 2012 |
| A1 Readymix Concrete Limited | Administrative & support | 2018 |
| A2B UK Trading Ltd | Other services | 2026 |
| A4 Production Music Limited | Information & communication | 2022 |
| AA Inceptio Ltd | Real estate | 2021 |
| AA Middlesex Building Ltd | Construction | 2023 |
| AA Probuild Ltd | Construction | 2026 |
| AA Renovations Limited | Construction | 2016 |
| Aa&H Associates Limited | Professional & scientific | 2015 |
| Aa&L Construction Ltd | Construction | 2022 |
| AAA Ceylon Gems Ltd | Wholesale & retail | 2025 |
| AAA Corby Property Limited | Real estate | 2023 |
| AAA Retail Services Ltd | Wholesale & retail | 2019 |
| AAA Team Building Services Limited | Construction | 2018 |
| AAB Security Solitions Ltd | Administrative & support | 2025 |
| Aadveka Solutions Ltd | Administrative & support | 2019 |
| AAI Services Ltd | Construction | 2025 |
| AAJ Brothers Estate Limited | Real estate | 2022 |
| AAM and Associates Ltd | Wholesale & retail | 2025 |
| Aamir Traders Ltd | Wholesale & retail | 2017 |
| Aaridh Consultancy Ltd | Information & communication | 2021 |
| Aathiran Retail Ltd | Wholesale & retail | 2025 |
| AB Admin Services Ltd | Administrative & support | 2025 |
| AB Building Services London Ltd | Construction | 2010 |
| AB Shopspire Ltd | Wholesale & retail | 2026 |
| ABC Estate Agent Limited | Real estate | 2017 |
| ABC Refrigeration & Air Conditioning Ltd | Manufacturing | 2021 |
| Abhconsult Limited | Information & communication | 2020 |
| Abirosh Retail Ltd | Wholesale & retail | 2025 |
| Abnn Limited | Transport & logistics | 2014 |
| Above & Beyond Rigging Limited | Administrative & support | 2009 |
| ABP Wellcare (Northolt) Ltd | Wholesale & retail | 2022 |
| Absolute Flatpack London Ltd | Construction | 2013 |
| Absolute Smart Training Company Limited | Information & communication | 2022 |
| Absorb Limited | Wholesale & retail | 2025 |
| ABU Kharrub Ltd | Hospitality | 2019 |
| ABX Express Ltd | Transport & logistics | 2024 |
| Abyan Decor Ltd | Construction | 2023 |
| Abzvisuals Ltd | Information & communication | 2025 |
| Academy of Tuition 11 Plus Limited | Education | 2023 |
| Access Guard Innovations Ltd | Professional & scientific | 2024 |