| 1 Southgate Street Ltd | Real estate | 2025 |
| 1030 Milling Ltd | Manufacturing | 2021 |
| 132-138 Poverest Road Limited | Households | 2002 |
| 136 Marissal Road Management Company Ltd | Administrative & support | 2017 |
| 142 Milehouse Road Management Company Limited | Households | 1992 |
| 1899 Limited | Households | 2018 |
| 19TH Hole Golf Group Ltd | Arts & recreation | 2026 |
| 28 ST Thomas Road Management Company Limited | Households | 1989 |
| 35 -39 Priory Park Road Management Company Limited | Real estate | 2020 |
| 3C Design Limited | Arts & recreation | 2020 |
| 3C Estates Limited | Real estate | 2021 |
| 3C Jewellery Ltd | Wholesale & retail | 2024 |
| 48, 50, 52 and 54 Rydon Fields Management Company Limited | Households | 2025 |
| 4TIFYIT Ltd | Information & communication | 2025 |
| 5 Wolsdon Place Management Company Ltd | Households | 2022 |
| 6 Fore Street Totnes Limited | Households | 2018 |
| 60, 62 and 64 Rydon Fields Management Company Limited | Households | 2024 |
| A & M Pallets Limited | Manufacturing | 2001 |
| A & R Gillbard Ltd | Agriculture & fishing | 2021 |
| A Davies Property Investment Ltd | Real estate | 2025 |
| A G N (SW) Ltd | Health & social care | 2018 |
| A G S Architectural Services Limited | Professional & scientific | 2007 |
| A J H Bricklayers Limited | Construction | 2017 |
| A J Nash Builders Limited | Construction | 2005 |
| A J Safer Food Services Ltd | Professional & scientific | 2025 |
| A N Consulting International Ltd | Professional & scientific | 2018 |
| A P S Arks Limited | Administrative & support | 2005 |
| AAA Multi-Drop (South West) Ltd | Transport & logistics | 2023 |
| AAA Multi-Drop Ltd | Transport & logistics | 2012 |
| AAA Racing Ltd | Arts & recreation | 2019 |
| AAA Vehicle Ltd | Administrative & support | 2014 |
| Aaron Dyer Electrical Ltd | Construction | 2026 |
| AB Taxis and Minibus Hire Ltd | Transport & logistics | 2004 |
| AB9 Ltd | Agriculture & fishing | 2021 |
| Abcd Rail Limited | Agriculture & fishing | 2022 |
| Abramelin Limited | Information & communication | 1996 |
| Acamology Ltd | Information & communication | 1997 |
| Accounts & Tax Centre (Southwest) LLP | | 2020 |
| Activ Sports Group Ltd | Extraterritorial | 2015 |
| ACTIV8 (Launceston) Limited | Arts & recreation | 2014 |
| Active Living Fitness (Southwest) Community Interest Company | Arts & recreation | 2026 |
| Adept Living Foundation CIC | Health & social care | 2017 |
| Advance Global Enterprise Limited | Transport & logistics | 2023 |
| Advertiser Series Limited | Information & communication | 2022 |
| AE Performance Centre Ltd | Arts & recreation | 2024 |
| Affiance Integrated Security Solutions Limited | Administrative & support | 2010 |
| Affina Beauty Studio Ltd | Other services | 2013 |
| Agency Zero Ltd | Professional & scientific | 2025 |
| AGH Holdings (SW) Ltd | Real estate | 2023 |
| Agrimech Solutions Ltd | Manufacturing | 2024 |
| AJ & Bond Bakery Ltd | Manufacturing | 2022 |
| AJG Limited | Construction | 2018 |
| ALL About Skips Ltd | Water & waste | 2020 |
| Allos Networks Limited | Information & communication | 2010 |
| ALM Couriers Ltd | Transport & logistics | 2023 |
| ALS Blast and Paintshop Ltd | Construction | 2025 |
| Amber Valley Catering Ltd | Hospitality | 2026 |
| AMC Groundworks SW Ltd | Construction | 2014 |
| AN Daras Multi Academy Trust | Education | 2012 |
| Anderson Renovations Ltd | Construction | 2025 |
| Andy Crofts Engineering Surveys Limited | Administrative & support | 2003 |
| Andy’S Antiques Rebourne Limited | Wholesale & retail | 2023 |
| Antecca Homes Limited | Construction | 2016 |
| Anytime Anywhere Limited | Hospitality | 2003 |
| APB Computer Services Limited | Manufacturing | 2003 |
| Applegate Insurance Consultants Limited | Financial services | 1997 |
| Armar Group Ltd | Real estate | 1954 |
| Arscott Arms (South West) Ltd | Hospitality | 2019 |
| Arthur Knight Ltd | Professional & scientific | 2026 |
| AT Construction (South West) Limited | Extraterritorial | 2015 |
| Athelstan Farm Foods Limited | Wholesale & retail | 2010 |
| Athelstans Letting Agent Ltd | Real estate | 2020 |
| Athena Learning Trust | Education | 2012 |
| Atlantic Glass Works Ltd | Manufacturing | 2016 |
| Atlantic Horizon Holdings Limited | Real estate | 2025 |
| Atlantic Living Limited | Real estate | 2022 |
| Atmosoptix Ltd | Information & communication | 2019 |
| Avalen Way Maintenance Company Limited | Households | 2023 |
| Avalon Chrome Techniques Limited | Manufacturing | 1999 |
| Babbar Street Ltd | Hospitality | 2018 |
| Bako Restaurant Ltd | Hospitality | 2021 |
| Balaratnam Brothers Ltd | Wholesale & retail | 2020 |
| Bank House Press Ltd | Information & communication | 2017 |
| Barden Kasdel Limited | Real estate | 2026 |
| Barlow & Donaldson Investments Limited | Hospitality | 2001 |
| Barn Y Build Limited | Construction | 2026 |
| Barton Farms (SW) Ltd | Agriculture & fishing | 2025 |
| Barton Gate Stables Ltd | Agriculture & fishing | 2024 |
| Bathroom Mobility Manchester Ltd | Construction | 2018 |
| BDP Animal Therapy Limited | Extraterritorial | 2015 |
| Beldon Consulting Ltd | Professional & scientific | 2018 |
| Bennacott Ltd | Professional & scientific | 2017 |
| Berry's Agriculture Ltd | Agriculture & fishing | 2010 |
| Bertram and Lavache Limited | Real estate | 1996 |
| Bigtopmania Ltd | Administrative & support | 2026 |
| Bioaware Ltd | Information & communication | 1999 |
| Biodescaler Ltd | Wholesale & retail | 2018 |
| Black Cat Edufinance Limited | Professional & scientific | 2006 |
| Black Cat Financial Consultancy Limited | Professional & scientific | 2018 |
| Blackbird Holdings (SW) Ltd | Financial services | 2023 |