| 10 Finsbury Square Limited | | 2022 |
| 25 Cannon Street Limited | | 2022 |
| 4 Cannon Street Limited | | 2022 |
| Abiding Assets Ltd | Extraterritorial | 2021 |
| Abpd Ltd | Real estate | 2025 |
| Abrahams Garden Services Limited | Administrative & support | 2013 |
| Action Fundraisers Limited | Information & communication | 2016 |
| Adams IT Limited | Information & communication | 2008 |
| Advanced Control Electrical Ltd | Construction | 2018 |
| AKA Kitchen Ltd | Hospitality | 2025 |
| Alderstar Limited | | 2022 |
| ALL Trees Limited | Agriculture & fishing | 2001 |
| AM Coordination Services Ltd | Professional & scientific | 2023 |
| AMS Maintenance Solutions Ltd | Manufacturing | 2019 |
| Ancel Ltd | Real estate | 2024 |
| Anglemarine Limited | Professional & scientific | 2017 |
| Antares Reinsurance Company Limited | | 2015 |
| AP Pembrokeshire Stays Ltd | Real estate | 2026 |
| Applied Manufacturing Technologies Ltd | Administrative & support | 2003 |
| Aquaclear Water Management Ltd | Construction | 2025 |
| Archer Safety Limited | Professional & scientific | 2023 |
| Arcswood C.I.C. | Agriculture & fishing | 2011 |
| Argent Property SPV Limited | Real estate | 2026 |
| Ariana S Dream Cuisine Ltd | Hospitality | 2024 |
| Arnold Construction Ltd | Construction | 2021 |
| Ashdale Care Limited | Health & social care | 2000 |
| Ashleigh House Property Management Limited | Households | 2023 |
| Asta Group Pembs Ltd | Construction | 2026 |
| Atmiya Decors Ltd | Manufacturing | 2023 |
| B D Priestley Limited | Construction | 2010 |
| B&R Property Maintenance Ltd | Construction | 2025 |
| B.B.A.J Limited | Construction | 2013 |
| Badgerswood Limited | Wholesale & retail | 2025 |
| Balshamill Limited | | 2024 |
| BC Construction (Pembs) Ltd | Construction | 2025 |
| BEE Green Waste Ltd | Water & waste | 2023 |
| Black Swan Services Limited | | 2023 |
| Blitz Crewing Ltd | Information & communication | 2020 |
| Bluestone Composites Limited | Manufacturing | 2024 |
| Born to Thrive CIC | Professional & scientific | 2026 |
| BP Pipe Solutions Limited | Manufacturing | 2020 |
| Brace and Vaughan Construction Ltd | Construction | 2024 |
| Brighton Mews Management Company (1995) Limited | Real estate | 1995 |
| Bush House Pembroke Limited | Health & social care | 2008 |
| Bush House West Wales Limited | Health & social care | 2008 |
| Byways Management Company Limited | Professional & scientific | 2001 |
| C & N News Limited | Wholesale & retail | 2010 |
| C D P (Pembs) Ltd | Administrative & support | 2025 |
| Candy Express Ltd | Wholesale & retail | 2021 |
| Carew Car and Commercial Sales Ltd | Wholesale & retail | 2019 |
| Carew Car Dismantlers 1990 Ltd | Administrative & support | 2025 |
| Carew Car Dismantlers Limited | Administrative & support | 2018 |
| Carew Farm Cottages Management Company Limited | Households | 2009 |
| Cash Rules Limited | Financial services | 2024 |
| Castle Nails Ltd | Other services | 2019 |
| Castle Photography Limited | Wholesale & retail | 2003 |
| Castle Quay Metal Recyclers Limited | Water & waste | 2014 |
| Celtic Engineering Holdings Limited | Professional & scientific | 2009 |
| Celtic Futures Wills and Trusts Ltd | Professional & scientific | 2025 |
| Celtic Homes (Properties) Limited | Real estate | 2004 |
| Celtic Homes Ltd | Construction | 2000 |
| Celtic Wills & Trust Ltd | Professional & scientific | 2016 |
| Ceylan Logistics Import and Export Ltd | Wholesale & retail | 2019 |
| CG 95 Electrical Ltd | Construction | 2026 |
| Charlie Creations Limited | Manufacturing | 2011 |
| Charlie Harry Limited | Real estate | 2014 |
| Chilton's Cars Pembroke Limited | Wholesale & retail | 2023 |
| Christopher Ryder Ltd | Other services | 2022 |
| CK Plant & Commercial Ltd | Manufacturing | 2023 |
| Clarbeston Developments Ltd | Construction | 2018 |
| Cleddau Properties Limited | Real estate | 2013 |
| CNT Group Ltd | Administrative & support | 2025 |
| Collins Brothers Pembs Ltd | Administrative & support | 2004 |
| Complete Planning Ltd | Other services | 2013 |
| Country Supplies 2012 Limited | Wholesale & retail | 2012 |
| Craig Wheeler Welding Services Limited | Construction | 2015 |
| Cresselly Farms Limited | Real estate | 2025 |
| Cube Business Services Limited | Professional & scientific | 2012 |
| Cucumber Games Limited | Information & communication | 2017 |
| Customs Wise UK Ltd | Other services | 2022 |
| D & a Rentals Pembs Ltd | Administrative & support | 2025 |
| D R Engineering Limited | Construction | 2018 |
| D T Distribution Ltd | Transport & logistics | 2019 |
| Dampco Damp & Timber Specialists Ltd | Construction | 2026 |
| Davies Holdings (Pembroke) Limited | Financial services | 2015 |
| Davies Marine Services Ltd | Manufacturing | 2020 |
| Deflo Ltd | Water & waste | 2010 |
| Dental Excellence Pembroke Ltd | Health & social care | 2017 |
| DHP Logistics Ltd | Transport & logistics | 2025 |
| Dinas Country Club Ltd | Hospitality | 2017 |
| DMA Trustees Ltd | Financial services | 2025 |
| DMD Trustees Ltd | Financial services | 2025 |
| DR. Weick Consulting Limited | Professional & scientific | 2016 |
| Dream Scout Ltd | Real estate | 2019 |
| Drsmcole Limited | Health & social care | 2025 |
| Drysdale Properties Ltd | Real estate | 2016 |
| Dunmore Tenby Limited | Households | 2025 |
| East Croft Close Management Company Limited | Households | 2022 |
| East Gate Creative HWB CIC | Wholesale & retail | 2021 |
| East Orielton and Old Farm Management Limited | Professional & scientific | 1998 |