| 1 Cavendish Crescent Bath (Management) Company Limited | Households | 1994 |
| 1 Potley Lane Freehold Limited | Real estate | 2026 |
| 10 Burlington Street Bath Management Limited | Households | 1988 |
| 100 Earlsfield Road Limited | Real estate | 2014 |
| 11 Station Road Bath Limited | Real estate | 1994 |
| 110-136 Hughenden Road RTM Company Limited | Households | 2016 |
| 117 High ST, Twerton Management Company Ltd | Households | 2022 |
| 12 & 12A ST. Mary Street Chippenham Management Company Limited | Households | 2008 |
| 150 High Street Twerton Bath Management Company Limited | Households | 1986 |
| 16 Henrietta Street (Bath) Limited | Households | 1986 |
| 17-18 Walcot Parade Management Company Limited | Households | 2000 |
| 17/18 Henrietta Street (Bath) Limited | Households | 1976 |
| 19 Marlborough Buildings (Bath) Limited | Households | 1978 |
| 19 Royal Crescent Limited | Households | 2004 |
| 2 Dover Place Management Company Limited | Households | 1990 |
| 2 Kensington Place Bath (Management) Limited | Households | 1982 |
| 2-20 Hughenden Road RTM Company Limited | Households | 2016 |
| 20 High Street Corsham Limited | Households | 2005 |
| 21 Brock Street (Bath) Limited | Households | 1983 |
| 22 Grosvenor Place (Bath) Management Co. Limited | Households | 1987 |
| 22-44 Hughenden Road RTM Company Limited | Households | 2016 |
| 23 & 23A Hungerford Gardens Bristol Management Company Limited | Households | 2021 |
| 24 Vineyards (Bath) Limited | Households | 2014 |
| 24/7 Plumbing & Heating (South West) Limited | Construction | 2009 |
| 27/28 Marlborough Buildings (Bath) Limited | Households | 1991 |
| 276-298 the Ridgeway RTM Company Limited | Households | 2016 |
| 28 Grosvenor Place (Bath) Management Limited | Households | 2020 |
| 3-5 Cavendish Crescent (Bath) Limited | Households | 1984 |
| 30 Great Pulteney Street Limited | Households | 1975 |
| 30-31 Stall Street Limited | Households | 2023 |
| 300-314 the Ridgeway RTM Company Limited | Households | 2016 |
| 31 Charles Street Management (NO 1) Limited | Households | 2016 |
| 3DI Solutions Limited | Information & communication | 2008 |
| 4 Ashgrove Road Management Limited | Households | 1993 |
| 4 Marlborough Buildings Bath (Management) Limited | Households | 1991 |
| 4 ST James Square Bath Management Limited | Households | 1988 |
| 4 Vane Street Bath Management Company Limited | Households | 1997 |
| 45 High Street Corsham Limited | Real estate | 2011 |
| 46-68 Hughenden Road RTM Company Limited | Households | 2016 |
| 49 Newbridge Road Management Company Limited | Households | 1987 |
| 4D Digital Ltd | Information & communication | 2018 |
| 5 Upper Church Street Management Company Limited | Households | 1995 |
| 5143NORTH Limited | Professional & scientific | 2026 |
| 52 Frome Road Management Company Ltd | Households | 2014 |
| 6 Cavendish Place Flat Maintenance Limited | Households | 1975 |
| 61 Great Pulteney Street Bath (Management) Limited | Households | 1991 |
| 6MM Air Ltd | Wholesale & retail | 2024 |
| 7 Devonshire Villas Bath (Management) Limited | Households | 1988 |
| 70-84 Hughenden Road RTM Company Limited | Households | 2016 |
| 78 Lower Oldfield Park Bath Management Limited | Households | 1987 |
| 8 Camden Crescent Bath Limited | Households | 2003 |
| 8 Kensington Place (Bath) Limited | Households | 1985 |
| 86-108 Hughenden Road RTM Company Limited | Households | 2016 |
| 9-LINE Media Ltd | Information & communication | 2017 |
| 9/10 Johnstone Street Bath (Management Company) Limited | Households | 1986 |
| 93 Sydney Place Limited | Households | 1989 |
| 9AND Limited | Administrative & support | 2017 |
| A Gill Services Limited | Construction | 2023 |
| A W Global Management Limited | Professional & scientific | 2001 |
| A&E Engineering Services Ltd | Professional & scientific | 2018 |
| A.J.M. Engineering Limited | Manufacturing | 1981 |
| Aanya Property Holdings & Investments Ltd | Real estate | 2020 |
| Abbey Masonry Limited | Construction | 2000 |
| Absolute Brickwork South West Limited | Construction | 2023 |
| AC Automotive Wiltshire Ltd | Wholesale & retail | 2021 |
| Acanthus Architecture and Design Ltd | Construction | 2018 |
| ACC Luxury Travel Ltd | Transport & logistics | 2025 |
| Acio Investments Ltd | Real estate | 2022 |
| Acorn I.S. Limited | Information & communication | 2000 |
| Acorn Joinery Bath Ltd | Manufacturing | 2010 |
| AER Studios Ltd | Information & communication | 2005 |
| Aesculapia Limited | Health & social care | 2003 |
| Afeni Healthcare Limited | Health & social care | 2021 |
| Afeni Limited | Extraterritorial | 2025 |
| Afeni Properties Limited | Real estate | 2023 |
| AH Frame Artist Ltd | Manufacturing | 2025 |
| AJ Haasbroek Ltd | Health & social care | 2020 |
| AJB Funerals Ltd | Other services | 2004 |
| AJR Design Ltd | Professional & scientific | 2025 |
| Alexander House (Corsham) Management Company Limited | Households | 1991 |
| ALL in the Therapy of Music Ltd | Education | 2024 |
| Allen Reid Investments Limited | Real estate | 1950 |
| Alliance Purchasing Limited | Administrative & support | 2013 |
| Allmanhall Group Limited | Financial services | 2019 |
| Allmanhall Ltd | Wholesale & retail | 2006 |
| Alpha Cyber Limited | Professional & scientific | 2024 |
| Alverstone House Limited | Professional & scientific | 2015 |
| Amberol Limited | Manufacturing | 1969 |
| Amblewood Limited | Information & communication | 2005 |
| American School BUS UK Ltd | Wholesale & retail | 2025 |
| Amore Bar and Restaurant Limited | Hospitality | 2024 |
| AMP4HEALTH Ltd | Health & social care | 2021 |
| Anay Consultancy Services Ltd | Information & communication | 2004 |
| Andrew Higham Landscaping Limited | Administrative & support | 2003 |
| Andrew's Propco Limited | Real estate | 2014 |
| Andymd Limited | Information & communication | 2016 |
| Angelstar Investments Limited | Financial services | 2023 |
| Angerwick Real Estate Limited | Construction | 2018 |
| Anguilla Station Limited | Financial services | 2024 |
| Anka Metal Coatings Limited | Manufacturing | 2008 |