| 1952 Projects Limited | Professional & scientific | 2023 |
| 1965 Property Limited | Construction | 2023 |
| 22 Wilbury Villas Hove Limited | Households | 1996 |
| 3 Madeira Road Ventnor Limited | Households | 2014 |
| 3 Oakfield ST Freehold Ltd | Households | 2025 |
| 7 Joiners Ltd | Construction | 2019 |
| 7 Seas Fabrications Limited | Manufacturing | 2024 |
| 75 Devonshire Road Limited | Households | 2003 |
| 9 of Cups Productions Ltd | Information & communication | 2021 |
| A & N Bathrooms Limited | Construction | 2011 |
| A B Properties (IOW) Ltd | Real estate | 2026 |
| A J Careless Limited | Professional & scientific | 2013 |
| A J P Composites Ltd | Manufacturing | 2018 |
| A J'S B & B Limited | Hospitality | 2018 |
| A Professional Property Service Limited | Construction | 2022 |
| A.G.T. Surveys Limited | Construction | 1997 |
| AAA Holdings (IOW) Limited | Financial services | 2015 |
| Abigail Marwaha Aesthetics Ltd | Other services | 2025 |
| Accountancy Results Limited | Professional & scientific | 2024 |
| Advenauk Limited | Hospitality | 2016 |
| Aeolus Group Limited | Agriculture & fishing | 2017 |
| Affiliation of Crystal Healing Organisations Limited | Education | 2007 |
| AGF Cottages Ltd | Hospitality | 2022 |
| AGF Groundworks Limited | Agriculture & fishing | 2021 |
| Air B & Clean Limited | Other services | 2022 |
| Aireen Management Limited | Hospitality | 2025 |
| Ajar Homes Ltd | Real estate | 2017 |
| Alimst Ltd | Professional & scientific | 2024 |
| Alpine Road Management Company Limited | Real estate | 2015 |
| ALS Guitar Services Limited | Manufacturing | 2025 |
| Altair Live Limited | Arts & recreation | 2026 |
| Althor Limited | Hospitality | 2026 |
| Amwind Ltd | Construction | 2025 |
| Andrews Garage Sales Limited | Wholesale & retail | 2009 |
| Angry MAN Studios Ltd | Information & communication | 2023 |
| Animals at Home (Isle of Wight) Limited | Professional & scientific | 2020 |
| Antithesis Research Limited | Administrative & support | 2022 |
| Applied Polymer Developments Limited | Professional & scientific | 2013 |
| April MEI Ltd | Hospitality | 2022 |
| AR Waste Ltd | Water & waste | 2022 |
| Arno Park Ltd | Real estate | 1981 |
| Arthur and LEO Homes Ltd | Real estate | 2024 |
| ASL GRP Limited | Manufacturing | 2012 |
| Avonmore Court Limited | Households | 2016 |
| Ayre Sales Ltd | Agriculture & fishing | 2025 |
| Ayres Punchard Investment Management Limited | Financial services | 2008 |
| Badger Ground Care Limited | Other services | 2026 |
| Badger Island Limited | Construction | 2020 |
| Bankend Farm Holdings Ltd | Financial services | 2021 |
| Barbrooksblades Ltd | Professional & scientific | 2024 |
| Barnes Babysitters Limited | Health & social care | 2020 |
| Barnes Counselling Services Limited | Health & social care | 2021 |
| Barrel & Bubbles Limited | Hospitality | 2023 |
| Basically Book-Keeping Limited | Professional & scientific | 1999 |
| Before WE WED Events Limited | Administrative & support | 2025 |
| Bella Home Developments Ltd | Construction | 2022 |
| Belmont House Ventnor Limited | Real estate | 2018 |
| Bernard Salloum Ltd | Information & communication | 2021 |
| Besh Cleaning Services Ltd | Administrative & support | 2024 |
| Bespoke Hire Limited | Administrative & support | 2024 |
| Betapak Limited | Wholesale & retail | 2007 |
| Bicester Buildings Limited | Construction | 2025 |
| Bicester Products Limited | Professional & scientific | 1980 |
| Binnel Bay Ltd | Hospitality | 2017 |
| Bodster Equine Assisted Learning Community Interest Company | Education | 2012 |
| Bold Line Ltd | Professional & scientific | 2017 |
| Bonchurch Holdings Limited | Real estate | 2019 |
| Bonchurch Property Developments Limited | Construction | 2020 |
| Boniface Developments Ltd | Households | 2024 |
| Bowcombe View Shooting Ground Limited | Arts & recreation | 2012 |
| Brian Mayne Limited | Administrative & support | 2014 |
| Bright Properties ( I of W) Limited | Hospitality | 2014 |
| Brook Cottage Catering Ltd | Hospitality | 2015 |
| Brownriggs Farm Shop Limited | Real estate | 2013 |
| Caballus Equine Ltd | Professional & scientific | 2018 |
| Capic Ltd. | Information & communication | 2002 |
| Carlton Sports IOW Limited | Information & communication | 2025 |
| Castle Vectix Ltd | Professional & scientific | 2024 |
| Celia Wilkinson Ltd | Arts & recreation | 2013 |
| Certainty Centre Ltd | Arts & recreation | 2023 |
| Chale Recreation Ground Limited | Arts & recreation | 2011 |
| Chale Service Station Limited Liability Partnership | | 2004 |
| Chambers Design IOW Limited | Professional & scientific | 2025 |
| Charlie’S Detailing Ltd | Wholesale & retail | 2024 |
| Cheetah Marine International Ltd | Manufacturing | 2019 |
| Cheetah Marine LLP | | 2002 |
| Cheetah Technologies Ltd | Professional & scientific | 2011 |
| Chesterash Residents Company Limited | Households | 1989 |
| Chestons Plumbing Heating & Building Services Limited | Administrative & support | 2016 |
| Church END Investments Limited | Professional & scientific | 1999 |
| Church View IOW Ltd | Real estate | 2020 |
| Cjadvancedtechnical Ltd | Professional & scientific | 2026 |
| CLA Holmes Ltd | Financial services | 2026 |
| Claire's Bookkeeping Services Limited | Professional & scientific | 2015 |
| Clayton Smith Strategies Ltd | Professional & scientific | 2025 |
| Cleeve Hyrst (Ventnor) Limited | Professional & scientific | 1999 |
| Cliff Investment Properties Limited | Extraterritorial | 1996 |
| Cliff View (Ventnor) Management Company Limited | Hospitality | 2003 |
| Clover Farm Investments Limited | Real estate | 2024 |
| Coach House IOW Ltd | Real estate | 2020 |