| 25 ST Julian's Road Limited | Households | 2005 |
| 3 Beaches SW Ltd | Real estate | 2024 |
| 98 Vision Limited | Professional & scientific | 2018 |
| A D Billing Plumbing and Heating Ltd | Extraterritorial | 2018 |
| A J Williams Builders Limited | Construction | 2000 |
| A R P Reid Limited | Other services | 2009 |
| A. C. Moore Limited | Real estate | 2006 |
| ABC Wedding Dresses Company Limited | Wholesale & retail | 2002 |
| Absolute Cards Limited | Wholesale & retail | 2012 |
| Active at Altitude Limited | Education | 2022 |
| Adrian Stables LLP | | 2021 |
| Advanced Resin Solutions Ltd | Construction | 2016 |
| Agency FIG Ltd | Professional & scientific | 2022 |
| AIM Training South West Limited | Arts & recreation | 2015 |
| Aims Electrical Limited | Construction | 2009 |
| AJG Physiotherapy Limited | Health & social care | 2014 |
| Allinsonlaw Limited | Professional & scientific | 2013 |
| Almonry Weddings Ltd | Hospitality | 2023 |
| Alves & Hadleigh Properties Ltd | Real estate | 2025 |
| ANN Hartland Ltd | Other services | 2026 |
| Annarob Ltd | Other services | 2019 |
| Anthony Kent Associates Limited | Professional & scientific | 1988 |
| Antony JAY Productions Limited | Arts & recreation | 1988 |
| AOB Sailing Ltd | Manufacturing | 2016 |
| Arcadia LAT Limited | Administrative & support | 2015 |
| Arcadia Legal Limited | Professional & scientific | 2019 |
| Arcadia Tax and Accounts Limited | Professional & scientific | 2019 |
| Arcadia Trust Corporation Limited | Professional & scientific | 2018 |
| Arcadia Trust Group Limited | Financial services | 2019 |
| Archengine Ltd. | Professional & scientific | 2019 |
| Arthur's Bridge Farm Residents Limited | Households | 2014 |
| Ascf Ltd | Other services | 2002 |
| Astara Consulting Ltd | Professional & scientific | 2016 |
| Audiffy Limited | Information & communication | 2025 |
| Avalon Surfacing and Construction Co. Limited | Construction | 1978 |
| B S Building Ltd | Construction | 2020 |
| BAE Estates Ltd | Construction | 2024 |
| Bampton Minehead. Ltd | Real estate | 2021 |
| Bartletts ELM Langport Management Company Limited | Real estate | 2013 |
| Baywarmth GAS, Heating and Plumbing Ltd | Construction | 2001 |
| Better Call Millsey Ltd | Public administration | 2022 |
| Bibelot Wine Ltd | Manufacturing | 2002 |
| Bibic | Health & social care | 1996 |
| BIN Blasters Ltd | Administrative & support | 2025 |
| Bineham Court Management Company Limited | Extraterritorial | 1999 |
| Black Sheep Butchers Ltd | Hospitality | 2018 |
| Blackberry Court (Drayton) Management Company Limited | Households | 2022 |
| Blake Street Management Company (Bridgwater) Ltd | Households | 2021 |
| BO Tree Limited | Hospitality | 1991 |
| Bohea Ltd | Information & communication | 2012 |
| Bookfulness Limited | Wholesale & retail | 2025 |
| BOW Court Management Limited | Households | 2010 |
| Bradley Lewis Garden Maintenance Ltd | Administrative & support | 2024 |
| Braebrook Ltd | Professional & scientific | 2019 |
| Bramblewood Accountancy Ltd | Professional & scientific | 2015 |
| Bridgwater Tankwash Limited | Other services | 2009 |
| Brightpsych Services Limited | Health & social care | 2023 |
| Bristows Electrical Ltd | Construction | 2015 |
| BTW Tanker Rental Ltd | Extraterritorial | 2017 |
| Buckle Group (SW) Ltd | Construction | 2021 |
| Burton Farm Barns Management Limited | Water & waste | 2005 |
| Business Money Card Company Limited | Financial services | 2014 |
| Business Money Insurance Services Limited | Financial services | 2008 |
| Business Money Limited | Information & communication | 2009 |
| BY Holiday Letting Ltd | Real estate | 2023 |
| C.H.S. (Langport) Management Limited | Real estate | 1988 |
| Cabretta Consulting Limited | Administrative & support | 2023 |
| Cadens Health Ltd | Wholesale & retail | 2026 |
| Carers Academy Ltd | Education | 2024 |
| Ceratex Engineering Limited | Manufacturing | 1995 |
| Charming Stoves Limited | Construction | 2018 |
| Chartbot Ltd | Information & communication | 2020 |
| Chef Paul Collins Ltd | Hospitality | 2011 |
| Chris Howard Building Limited | Construction | 2019 |
| Christopher Interiors Ltd | Manufacturing | 2023 |
| Chubby's Foods Station Ltd | Hospitality | 2025 |
| Chubby's Kebabs Ltd | Hospitality | 2024 |
| Clive Miller & Associates Limited | Professional & scientific | 2003 |
| Clive Miller Planning Limited | Professional & scientific | 2017 |
| Clovis Developments Limited | Professional & scientific | 2002 |
| Cobinium Ltd | Information & communication | 2023 |
| Colegrave Construction Limited | Construction | 2015 |
| Collective Security Solutions Ltd | Administrative & support | 2024 |
| Consulting Partners Ltd | Professional & scientific | 2014 |
| Conveyancing Property Lawyers Ltd | Professional & scientific | 2023 |
| Cowling Agriculture Limited | Wholesale & retail | 2026 |
| CPC Event, Food, Consultancy Ltd. | Hospitality | 2013 |
| Creech ST Michael Effluent Treatment Company Limited | Administrative & support | 2005 |
| Crisp Clean Services Limited | Manufacturing | 1991 |
| Curly Doodle Ltd | Professional & scientific | 2016 |
| D&D Marketing Ltd | Professional & scientific | 2025 |
| DAN Leonard Personal Training Ltd | Arts & recreation | 2018 |
| David Civil Engineering Limited | Construction | 2006 |
| David Developing Limited | Construction | 2013 |
| David Gauld Medical Limited | Health & social care | 2016 |
| David Group Ltd | Financial services | 2024 |
| David Holmes Consulting Limited | Administrative & support | 2002 |
| David Little Ltd | Professional & scientific | 1997 |
| David Sims Pictures Ltd | Professional & scientific | 2015 |
| DCC Train Automation Ltd | Wholesale & retail | 2023 |