| 12 Seaview Road Management Company Limited | Households | 1999 |
| 13 Hanbury Road Management Company (Bristol) Limited | Households | 1981 |
| 13 the Esplanade (Management) Limited | Households | 2004 |
| 14 Kingsway Road Management Company Limited | Households | 1988 |
| 14 the Esplanade (Management) Ltd | Households | 2005 |
| 19, the Esplanade, Burnham-On-Sea, Management Co. Limited | Households | 1981 |
| 1ST Support Group Ltd | Administrative & support | 2019 |
| 25 the Esplanade Management Company Limited | Households | 1999 |
| 2BECOME1 Ltd | Administrative & support | 2025 |
| 49 Meadow Street (Weston-S-Mare) Management Limited | Real estate | 2005 |
| 59 the Esplanade Burnham on Sea Management Limited | Households | 1990 |
| 6 College Street Management Company Limited | Households | 1984 |
| 6 Shrubbery Terrace (WSM) Management Company Limited | Households | 2025 |
| 62 Esplanade Limited | Households | 2006 |
| A & F Estate Agents Limited | Real estate | 2018 |
| A & F Lettings Limited | Real estate | 2017 |
| A & L Housing Ltd | Real estate | 2026 |
| A James Properties Limited | Real estate | 2020 |
| Abbotsley Electrical Ltd | Construction | 2015 |
| Abbott & Frost Ltd. | Real estate | 2012 |
| Ability Care Solutions Ltd | Health & social care | 2024 |
| Academy of Assessors Limited | Education | 2019 |
| Adventure Motor Homes Limited | Wholesale & retail | 2010 |
| Ag&Co Trading Ltd | Wholesale & retail | 2026 |
| AGA Pizzeria UK Ltd | Hospitality | 2025 |
| Ager Enterprise Ltd | Professional & scientific | 2025 |
| AGL Attractions Limited | Arts & recreation | 2014 |
| AH Fabrication & Wrought Iron Work Ltd | Manufacturing | 2025 |
| Air Quality Assessments Ltd | Professional & scientific | 2014 |
| Albayrak Barber Ltd | Other services | 2020 |
| Alivia Rose Limited | Health & social care | 2009 |
| ALL Brite Solutions Limited | Administrative & support | 2018 |
| ALL in the Dog House Ltd | Wholesale & retail | 2025 |
| Amesbury Investments Ltd | Real estate | 2024 |
| Amethyst Mortgage Services Ltd | Financial services | 2015 |
| Amplio Invest LLP | | 2017 |
| Amplio Renewable Energy LLP | | 2019 |
| Ancor Labs Ltd | Information & communication | 2026 |
| Apex (BOS) Travel Ltd | Transport & logistics | 2024 |
| Apex Mobility Limited | Wholesale & retail | 2023 |
| Apollo Workflow Consultancy Ltd | Manufacturing | 2019 |
| APS Building Services (South West) Limited | Construction | 2020 |
| Archi Intelligence Limited | Professional & scientific | 2014 |
| Ardwyn-Channon Ltd | Professional & scientific | 2007 |
| Art of Leadership (NC) Limited | Professional & scientific | 2017 |
| Ashmira Limited | Wholesale & retail | 2024 |
| Aspire Sporting Academy Ltd | Education | 2010 |
| Assist Law Ltd | Professional & scientific | 2014 |
| Aston Brothers Carpentry Ltd | Manufacturing | 2017 |
| Atlanta Key Maintenance Company Limited | Professional & scientific | 1967 |
| Atlantis Gate Ltd | Wholesale & retail | 2023 |
| Atlas Skills & Development Ltd | Education | 2017 |
| AWJ Accountancy Services Limited | Professional & scientific | 2011 |
| Aznur Ltd | Hospitality | 2026 |
| B S J Management Services Limited | Professional & scientific | 1997 |
| B.D.B. (GB) Limited | Wholesale & retail | 2000 |
| Baglikaya Ltd | Hospitality | 2019 |
| Barrington & Sons Limited | Professional & scientific | 2010 |
| Bason Bridge Garage Ltd | Wholesale & retail | 2025 |
| BB33 Limited | Wholesale & retail | 2017 |
| BBN Somerset Ltd | Education | 2013 |
| Beach View Glass Ltd | Construction | 2011 |
| Bearded Clan Ltd | Wholesale & retail | 2024 |
| Belfield (Burnham-On-Sea) Limited | Households | 1972 |
| Bergerac Consult and Build Limited | Professional & scientific | 2018 |
| Berrow Development Consultancy Ltd | Professional & scientific | 2023 |
| Berrow Garage Ltd | Wholesale & retail | 2025 |
| Berrow Motors Limited | Wholesale & retail | 2021 |
| Berrowtech Ltd | Information & communication | 2024 |
| Better BOS CIC | Other services | 2024 |
| Beyondskate Ltd | Arts & recreation | 2024 |
| Blackmore Property Services Limited | Construction | 2022 |
| Blsd Limited | Hospitality | 2023 |
| Blue Ridge Runners Ltd | Other services | 2011 |
| Bluebird Restaurant Limited | Hospitality | 2016 |
| Bmsl Consultancy Limited | Professional & scientific | 2022 |
| Board Game BUD Ltd | Manufacturing | 2020 |
| Boiler Heating Components Ltd | Wholesale & retail | 2009 |
| BOS Carpets and Flooring Ltd | Wholesale & retail | 2025 |
| BOS Curry Limited | Hospitality | 2019 |
| BOS Lettings Limited | Real estate | 2023 |
| BOS Vape Shop Ltd | Wholesale & retail | 2025 |
| Bosh Baits Ltd | Wholesale & retail | 2025 |
| Bps-Tech Limited | Information & communication | 2018 |
| Break a LEG Theatre Company CIC | Arts & recreation | 2026 |
| Brean Down Holidays Limited | Hospitality | 2025 |
| Brean Indian Restaurant Limited | Hospitality | 2019 |
| Bridgwater Electronics Limited | Manufacturing | 1999 |
| Briggs & Co (Design & Marketing) Limited | Administrative & support | 2006 |
| Brown's Regal Group Ltd | Real estate | 2024 |
| Bulutt Limited | Hospitality | 2017 |
| Burlington Court (Burnham-On-Sea) Limited | Households | 1985 |
| Burnham Building Contractors Limited | Construction | 2025 |
| Burnham Consult and Maintenance Ltd | Construction | 2022 |
| Burnham Environmental Ltd | Administrative & support | 2008 |
| Burnham Environmental Services Limited | Administrative & support | 1996 |
| Burnham Heritage Centre Ltd | Arts & recreation | 2021 |
| Burnham Mortgage Adviser Ltd | Financial services | 2020 |
| Burnham O2 Hand Car Wash Ltd | Wholesale & retail | 2025 |
| C & H Carpets & Flooring Limited | Wholesale & retail | 2008 |