| 1 Red Frog Limited | Professional & scientific | 2012 |
| 10 the Grange Freehold Limited | Households | 2020 |
| 13 the Avenue Limited | Real estate | 2016 |
| 1901 Agency Ltd | Information & communication | 2023 |
| 1ST Class Fencing & Landscaping Limited | Administrative & support | 2012 |
| 2002DEVELOPMENT Ltd | Construction | 2025 |
| 23 Highbury Park Limited | Households | 2013 |
| 29 ST Philips Avenue Limited | Households | 2017 |
| 304 Ewell Road Ltd | Real estate | 2019 |
| 341 Upper Richmond Road Residential Ltd. | Real estate | 2022 |
| 39/44 Queens Court Residents Association Limited | Real estate | 1999 |
| 3CY Ltd | Financial services | 2023 |
| 3M Cars Ltd | Wholesale & retail | 2026 |
| 3M Lucero Ltd | Health & social care | 2022 |
| 4-6 Merton High Street Freehold Limited | Real estate | 2024 |
| 404 Limited | Other services | 2016 |
| 4X4 Vehicle Hire Surrey & West Sussex Limited | Administrative & support | 2025 |
| 57 Salisbury Road (Worcester Park) RTM Company Limited | Real estate | 2026 |
| 7 Gilbey Road Limited | Administrative & support | 2008 |
| 8PERCENTANDROID Limited | Professional & scientific | 2015 |
| 9S Living Limited | Real estate | 2019 |
| A Bala Construction Ltd | Construction | 2026 |
| A C Hampton Court Services Limited | Transport & logistics | 2015 |
| A DOT Design Limited | Information & communication | 2007 |
| A F E Property Developments Ltd | Real estate | 2023 |
| A J Khan Inc Limited | Real estate | 2014 |
| A Jaffri Consultancy Services Limited | Information & communication | 2018 |
| A M Electrical & Plumbing Services Ltd | Construction | 2023 |
| A PC FIX Centre Ltd | Wholesale & retail | 2021 |
| A R R O Contractors Ltd | Construction | 2019 |
| A Spoonful of Sugar and Co UK Ltd | Arts & recreation | 2015 |
| A Studio of OUR Own Limited | Professional & scientific | 2016 |
| A&D Building and Plumbing Ltd | Construction | 2022 |
| A&P Retail Ltd | Wholesale & retail | 2021 |
| A-G-Design Ltd | Professional & scientific | 2022 |
| A. Greis Design Ltd. | Professional & scientific | 2012 |
| A2B Van Solutions Ltd | Water & waste | 2026 |
| A2Z-MAINTENANCE Limited | Construction | 2012 |
| AA Hospitality Group Ltd | Wholesale & retail | 2025 |
| Aabebhai Ltd | Health & social care | 2024 |
| Aadyasa Ltd | Wholesale & retail | 2020 |
| Aarav Capital Ltd | Real estate | 2021 |
| Aariz & Co. Ltd | Professional & scientific | 2019 |
| Aaron Hall Associate UK Ltd | Construction | 2019 |
| Aarvika Ltd | Real estate | 2024 |
| Aatish Ltd | Hospitality | 2025 |
| AB Access Flooring Ltd | Construction | 2023 |
| AB Roofing & Sons Ltd | Construction | 2025 |
| Abalwood Construction Limited | Construction | 2021 |
| Abam Ltd | Wholesale & retail | 2015 |
| Abianchgian Ltd | Real estate | 2024 |
| Abingdon Close Residents' Company Limited | Administrative & support | 2007 |
| Above and Beyond Event Solutions Ltd | Hospitality | 2024 |
| ABR Food Services Ltd | Hospitality | 2022 |
| Abura Hospitality Ltd | Hospitality | 2022 |
| ABZ Consulting Ltd | Information & communication | 2015 |
| ACA Fire and Security Ltd | Construction | 2026 |
| Acaerus Limited | Professional & scientific | 2019 |
| Acala Healing Ltd | Health & social care | 2022 |
| Acanthe Limited | Information & communication | 2016 |
| Accommodations Sure Ltd | Real estate | 2023 |
| Accountancy 4 NOW Ltd. | Wholesale & retail | 2020 |
| Accuproperty Ltd | Real estate | 2025 |
| Accuradiology Ltd | Health & social care | 2021 |
| Ace Crew Limited | Arts & recreation | 2007 |
| Ace Medicare Ltd | Health & social care | 2019 |
| Acelo Developments Ltd | Real estate | 2019 |
| Acete Limited | Real estate | 2021 |
| Achequer Ltd | Wholesale & retail | 2023 |
| Acit Support Limited | Other services | 2014 |
| Activation Personal Training Ltd | Health & social care | 2017 |
| AD Metal Trading Ltd | Wholesale & retail | 2022 |
| AD Super Ltd | Administrative & support | 2011 |
| Ad&Mgroup Limited | Administrative & support | 2025 |
| Adam Green Limited | Administrative & support | 2017 |
| Adamsammy Limited | Health & social care | 2024 |
| Adeeko & Co Ltd | Real estate | 2020 |
| Adfa Medica Limited | Information & communication | 2016 |
| ADI Executive Coaching Ltd | Professional & scientific | 2018 |
| ADP Consultancy Ltd | Information & communication | 2022 |
| Advanced UK International Ltd | Manufacturing | 2023 |
| Aedy Ltd | Real estate | 2022 |
| Aegis Vaults by Marvel Ltd | Construction | 2026 |
| Aeroart Ltd | Wholesale & retail | 2016 |
| Aether Accounting Ltd | Professional & scientific | 2025 |
| African Data Engineering and Science (Adesa) Ltd | Information & communication | 2019 |
| Afsbespoke Ltd | Construction | 2023 |
| AG Housekeeping Ltd | Other services | 2019 |
| AGA Contracting Ltd | Information & communication | 2015 |
| Ages London Ltd | Construction | 2022 |
| AGM Kitchen Installations Ltd | Construction | 2023 |
| AI Guru Ltd | Information & communication | 2020 |
| Aiko Inc Limited | Information & communication | 2025 |
| AIM Law Ltd | Professional & scientific | 2017 |
| Aircooltech Ltd | Manufacturing | 2011 |
| AIZ Consulting Ltd | Administrative & support | 2014 |
| AJ Mobile Repair Limited | Wholesale & retail | 2025 |
| AK IT Software Venture Ltd | Information & communication | 2019 |
| AKA Divine Ltd | Transport & logistics | 2026 |
| Akisha Ltd | Information & communication | 2025 |