| 125DB Ltd | Professional & scientific | 2015 |
| 15 Pine Gardens Management Company Limited | Real estate | 2008 |
| 1880 Consulting Ltd | Professional & scientific | 2024 |
| 194 Sydenham Road Residents Association Limited | Real estate | 2018 |
| 19TWELVE Property Ltd | Real estate | 2021 |
| 2 UP 2 Down Limited | Real estate | 2024 |
| 26TH Avenue Limited | Information & communication | 2020 |
| 2TBHLL Limited | Information & communication | 2019 |
| 3 on the DOT Limited | Professional & scientific | 2012 |
| 3 Pine Gardens Limited | Households | 2008 |
| 321 High ST Management Company Ltd | Households | 2021 |
| 323 Supplier Limited | Manufacturing | 2024 |
| 34 Lumley Ltd | Professional & scientific | 2014 |
| 3D Lease & Rental Ltd | Other services | 2016 |
| 3D Tanning Ltd | Other services | 2023 |
| 3PEAT Projects Limited | Administrative & support | 2015 |
| 4 Paws Kennels Ltd | Agriculture & fishing | 2022 |
| 4 Paws Supplies Ltd | Wholesale & retail | 2020 |
| 4 Shakespeare Road Freehold Limited | Real estate | 2008 |
| 42 Engineering Ltd | Professional & scientific | 2021 |
| 44 Developments Limited | Construction | 2015 |
| 4TH Generation Collingwood Ltd | Wholesale & retail | 2020 |
| 50 Massetts Road Limited | Hospitality | 2007 |
| 500 Degrees Sliced Ltd | Hospitality | 2023 |
| 5STAR Electrics Ltd | Construction | 2024 |
| 62 Coolinge Road Limited | Households | 2013 |
| 9G Solutions UK Limited | Transport & logistics | 2020 |
| A & D Recycling Limited | Water & waste | 2022 |
| A Dansie Roofing Limited | Construction | 2013 |
| A Good Sport Limited | Extraterritorial | 2005 |
| A J Rail Limited | Manufacturing | 2002 |
| A Little BIT About Limited | Information & communication | 2013 |
| A R Financial Solutions Ltd | Professional & scientific | 2025 |
| A&R Nails Studio Ltd | Other services | 2026 |
| A-A Quality Care Ltd | Administrative & support | 2016 |
| A-Star Plumbing & Heating (Surrey) Limited | Construction | 2015 |
| A.B.B Automotion Ltd | Wholesale & retail | 2022 |
| A.R.T Group of Pizza Ltd | Hospitality | 2025 |
| A1 FM Solutions Ltd | Professional & scientific | 2019 |
| A13 Trading Ltd | Real estate | 2023 |
| AA Business Services Ltd | Information & communication | 2023 |
| AA Quality Accounting Services Limited | Professional & scientific | 2023 |
| AA Quality Shipping Ltd | Transport & logistics | 2022 |
| AA Standard Healthcare Services Ltd | Public administration | 2024 |
| Aabala & Associates Consulting Ltd | Professional & scientific | 2017 |
| Aadi Ventures Ltd | Transport & logistics | 2025 |
| Aait Limited | Information & communication | 2009 |
| Aarogyam Radiology Services Limited | Professional & scientific | 2023 |
| Aayrtech London Ltd | Wholesale & retail | 2025 |
| Abbey Grange Properties Ltd | Real estate | 2009 |
| Abi&Zo Products Limited | Wholesale & retail | 2025 |
| About Face Academy Ltd | Education | 2019 |
| Above Interiors Limited | Professional & scientific | 2023 |
| Absolute Funding Partners Limited | Financial services | 2023 |
| Absolute Funding Services Ltd | Administrative & support | 2026 |
| Absolutely Everything Travel Limited | Administrative & support | 2025 |
| Accounts BRO Limited | Information & communication | 2025 |
| Achieve Together Physiological Support Ltd | Health & social care | 2023 |
| Acorn Contract Cleaning Limited | Administrative & support | 2010 |
| Acrokingdom Ltd | Agriculture & fishing | 2024 |
| ACS Admin Limited | Other services | 2017 |
| Acta Accounting Limited | Professional & scientific | 2024 |
| AD Food Consultancy Limited | Professional & scientific | 2023 |
| AD Signature Dining Ltd | Hospitality | 2026 |
| Ad&K Retail Ltd | Wholesale & retail | 2026 |
| Ad-Ops Tech Digital Ltd | Information & communication | 2018 |
| Adam West Property Development Limited | Construction | 2024 |
| Adamwest Ltd | Construction | 2018 |
| Adansie Carpentry & Building Ltd | Manufacturing | 2024 |
| Adeco Alliance Development Company Limited | Professional & scientific | 1997 |
| Adetuke Holdings Limited | Other services | 2012 |
| Adom NVA Limited | Real estate | 2023 |
| Adtech Electrical Contracting Limited | Construction | 2000 |
| Advanced System Technologies Ltd | Information & communication | 1997 |
| Advanpress Limited | Arts & recreation | 1958 |
| Adventures on Wheels Ltd | Wholesale & retail | 2024 |
| AES Electrical and Building Contractors Ltd | Construction | 2023 |
| Aesthetix by DR Mensah Ltd | Health & social care | 2022 |
| Affan Cars Ltd | Transport & logistics | 2019 |
| Affinity Heating & Plumbing Limited | Construction | 2022 |
| Affinity Home Improvements Limited | Construction | 2025 |
| Affinity Initiative Limited | Professional & scientific | 2018 |
| Affordable Food & Wine Ltd | Wholesale & retail | 2022 |
| Affordable GAS Supplies Ltd | Wholesale & retail | 2021 |
| Affordable Granite Ltd | Professional & scientific | 2003 |
| Affordable Granite Surrey Limited | Manufacturing | 2010 |
| Africa Community in Surrey & Sussex C.I.C. | Information & communication | 2021 |
| AG Property Lettings Ltd | Real estate | 2021 |
| Agile Analytics Ltd | Administrative & support | 2026 |
| AI Conversations Limited | Information & communication | 2025 |
| Aiguille Business Solutions Limited | Wholesale & retail | 2000 |
| Airport Transport Services Ltd | Transport & logistics | 2023 |
| Airrep (Holdings) Limited | Professional & scientific | 1998 |
| Airwaves Aviation Consultancy Limited | Professional & scientific | 2024 |
| AJ Property Partners Ltd | Real estate | 2023 |
| AJD Risk Partners Ltd | Financial services | 2026 |
| Ajking Landscaping & Groundworks Ltd | Construction | 2021 |
| Akinsanya Ltd | Manufacturing | 2020 |
| Akrise Accountancy Limited | Professional & scientific | 2011 |
| Al-Alam Sons Limited | Transport & logistics | 2025 |