| 1044 Ringwood Ltd | Real estate | 2025 |
| 13 Kingsbridge Road (Lower Parkstone) Ltd | Extraterritorial | 2016 |
| 14B Grange Road Management Company Limited | Real estate | 2002 |
| 1ST 4 Self Storage Ltd | Transport & logistics | 2017 |
| 1ST Choice Removals Ltd | Transport & logistics | 2020 |
| 1ST Choice Vehicle Rentals Ltd | Administrative & support | 2023 |
| 1ST Class Electrical (Poole) Ltd | Construction | 2017 |
| 38999 Ltd | Other services | 2014 |
| 390 Bitterne Road Limited | Households | 2020 |
| 506 Christchurch Road RTM Company Limited | Extraterritorial | 2020 |
| 58 Chesterfield Road Management Company Limited | Households | 1993 |
| 75 Uppleby Road Ltd | Real estate | 2021 |
| @ Ltd | Information & communication | 2022 |
| A Ellis Construction Limited | Other services | 2018 |
| A Richens Insight Ltd | Administrative & support | 2026 |
| A Tarrier Limited | Wholesale & retail | 2015 |
| A&A Pro Smile Ltd | Financial services | 2025 |
| A.P.T. Services (Dorset) Ltd | Other services | 2018 |
| Aashwin Enterprise Limited | Wholesale & retail | 2020 |
| AB Carpentry Dorset Ltd | Manufacturing | 2025 |
| Abco Electrical Distributors Limited | Wholesale & retail | 1989 |
| Abingdon Nuffield Manco Limited | Real estate | 2021 |
| Able Landscaping Ltd | Construction | 2022 |
| Acorn Consultancy & Investments Limited | Construction | 2007 |
| Act-Uk Ltd | Information & communication | 2021 |
| Actio Sports Ltd | Wholesale & retail | 2017 |
| Active Energy UK Limited | Construction | 2007 |
| Adam Plant Flooring Ltd | Construction | 2013 |
| Admiral Europe Ltd | Transport & logistics | 2002 |
| Agency Kilo Limited | Professional & scientific | 2010 |
| Agile Flooring Ltd. | Construction | 2018 |
| Ahap Limited | Financial services | 2017 |
| Airbnb 279 Ashley Road Ltd | Real estate | 2024 |
| Airbnb 285 Ashley Road Ltd | Real estate | 2024 |
| Airbnb 285A Ashley Road Ltd | Real estate | 2024 |
| Airbnb 287 Ashley Road Ltd | Real estate | 2024 |
| Airbnb 5 Westhill Road Ltd | Real estate | 2022 |
| Airbnb 541 Wimborne Road Ltd | Real estate | 2022 |
| Airbnb 683 Wimborne Road Ltd | Real estate | 2022 |
| Airbnb 934A Wimborne Road Ltd | Real estate | 2022 |
| Albert Road Holdings Ltd | Administrative & support | 2022 |
| Alcyone Properties Limited | Real estate | 2021 |
| Alesco Care Services Ltd | Health & social care | 2014 |
| Alinalex Ltd | Health & social care | 2014 |
| Alison Hunter and Chris Goodwin LLP | | 2009 |
| Allen Engineering (Ferndown) Ltd | Wholesale & retail | 2019 |
| Allround Autos Ltd | Wholesale & retail | 2012 |
| Allways Landscaping Ltd | Administrative & support | 2025 |
| Almast Limited | Financial services | 2006 |
| Altitude Operations Advisory Ltd | Professional & scientific | 2026 |
| Aman Barakah Limited | Hospitality | 2025 |
| Ameydoor Services Limited | Construction | 2014 |
| AMH Electrical Ltd | Construction | 2025 |
| Among the Boughs Ltd | Arts & recreation | 2021 |
| Amount Ltd | Professional & scientific | 2022 |
| Amvilire Ltd | Real estate | 2020 |
| Andrew Cairns Limited | Financial services | 2007 |
| Andrew Vrettos Wealth Management Ltd | Professional & scientific | 2015 |
| Andy White Marketing Ltd | Other services | 2011 |
| Anesh Ltd | Wholesale & retail | 2015 |
| Angels Removals Ltd | Water & waste | 2024 |
| Anhm Limited | Health & social care | 2022 |
| ANIMATE2COMMUNICATE Ltd | Information & communication | 2021 |
| Anvermead Properties Limited | Construction | 1990 |
| Anvil Court Management Company Limited | Households | 1981 |
| Aquasmart Ltd | Construction | 2007 |
| AR & AR Surveyors Ltd | Professional & scientific | 2025 |
| Arkhaus Limited | Arts & recreation | 1989 |
| Artisan Glass Limited | Manufacturing | 1995 |
| ASH Consultancy Ltd | Construction | 2023 |
| Ashley 191 Limited | Real estate | 2021 |
| AST Rentals Ltd | Real estate | 2021 |
| Aster Court RTM Company Limited | Households | 2017 |
| Atlas Pre-Development Services Limited | Professional & scientific | 2025 |
| Atrevida Limited | Wholesale & retail | 2022 |
| Auto-Care (Parkstone) Limited | Wholesale & retail | 2003 |
| Autogenous Consultants Limited | Information & communication | 1990 |
| Avergas Ltd | Construction | 2017 |
| AW Stock Control Limited | Administrative & support | 2007 |
| Azgan Property Services Ltd | Real estate | 2016 |
| B C Taxis Limited | Transport & logistics | 2004 |
| B Global - Real Estate Consultancy Ltd | Real estate | 2026 |
| B.D.R.Motors Limited | Wholesale & retail | 2003 |
| BA Flooring Ltd | Construction | 2024 |
| Bachcorp Ltd | Information & communication | 2024 |
| Badgerwifi Limited | Information & communication | 2019 |
| Balena Future Investments Ltd | Administrative & support | 2022 |
| Balloon Property Services Ltd | Administrative & support | 2013 |
| Balmal House Limited | Households | 1962 |
| Ban-Devoted Services Ltd | Transport & logistics | 2012 |
| Bareessentials Medical Aesthetics Ltd | Health & social care | 2026 |
| Barking Barbers Limited | Other services | 2021 |
| Barton Property Management (UK) Ltd | Real estate | 2014 |
| Bay Developments UK Limited | Administrative & support | 2002 |
| Bazalgette Consultancy Ltd | Public administration | 2026 |
| BDS & Sons Ltd | Real estate | 2023 |
| Bellflower Aesthetics Ltd | Other services | 2025 |
| Bespoke Builds Carpentry Ltd | Real estate | 2023 |
| Beta Center Ltd | Professional & scientific | 2018 |
| Bewley Millward Limited | Real estate | 2016 |