| 1 Cecil Road Management Company Ltd | Households | 2017 |
| 1 MUM & 2 Daughters Limited | Extraterritorial | 2015 |
| 10, Morton Crescent Flats Management Co. Limited | Households | 1974 |
| 104 ST Andrews Road (Exmouth) Limited | Households | 1990 |
| 11 Amity Place Management Company Limited | Professional & scientific | 2007 |
| 123 Clean Ltd | Administrative & support | 2017 |
| 124 Westexe South Management Company Limited | Real estate | 2010 |
| 16 Alexandra Terrace RTM Company Limited | Households | 2015 |
| 165 Coffee & Provisions Ltd | Hospitality | 2020 |
| 17 Morton Crescent Management Ltd | Households | 2015 |
| 19 Morton Crescent Limited | Real estate | 2015 |
| 2 Pelicans Ltd | Professional & scientific | 2026 |
| 20 Haldon Road (Exeter) Limited | Households | 1997 |
| 20 Hartley Road Management (Exmouth) Limited | Households | 2001 |
| 20 Morton Road (Exmouth) Limited | Households | 2023 |
| 21 Pennsylvania Road Management Company Limited | Real estate | 2014 |
| 22 Alexandra Terrace RTM Company Limited | Households | 2015 |
| 22 Ermington Terrace Management Company Limited | Households | 2007 |
| 22 Westcliff Management Company Limited | Real estate | 2014 |
| 247 Land & Planning Ltd | Real estate | 2020 |
| 247 Property Auctions Ltd | Real estate | 2019 |
| 28 Victoria Road Management Ltd | Households | 2017 |
| 30 Morton Road (Management) Limited | Households | 2007 |
| 313 Electrics Ltd | Construction | 2025 |
| 34 Douglas Avenue Management Company Limited | Administrative & support | 2016 |
| 34 Withycombe Road Management Company Limited | Hospitality | 2001 |
| 347 Logistics Limited | Transport & logistics | 2009 |
| 35 Salterton Road Management Company (Exmouth) Limited | Households | 1995 |
| 4 Alexandra Terrace Company Limited | Households | 2011 |
| 4 Seasons Air Conditioning Limited | Construction | 2008 |
| 45 Radlix Road Ltd | Real estate | 2023 |
| 4D Consulting Limited | Professional & scientific | 2013 |
| 6 Rolle Road Management Company Limited | Households | 2026 |
| 7 the Beacon Management Company Limited | Real estate | 2006 |
| 76 Exeter Road Ltd | Households | 2020 |
| 79 ST Johns Road Management Company Limited | Households | 2011 |
| 8 Louisa Terrace (Exmouth) Ltd | Households | 2018 |
| 83 Salterton Road Management Company Limited | Real estate | 2018 |
| 84 Exeter Road (Exmouth) Limited | Households | 2026 |
| 9 the Beacon Management Company Limited | Real estate | 2006 |
| 94 North Road East 1998 Limited | Households | 1998 |
| A & a Garage Doors Limited | Construction | 2009 |
| A & H Security Consultancy Ltd | Administrative & support | 2022 |
| A & T Electrical Solutions Limited | Construction | 2017 |
| A C S Solutions Limited | Information & communication | 1997 |
| A J Distribution Limited | Administrative & support | 2004 |
| A R C Cleaning (Devon) Limited | Administrative & support | 2018 |
| A&W Education Ltd | Professional & scientific | 2025 |
| Aalochate Properties Ltd | Real estate | 2024 |
| Abbey Classics Limited | Arts & recreation | 2025 |
| Abbeyfield (Exmouth) Society Limited (the) | Hospitality | 1970 |
| Absolute Choice Photography Ltd | Professional & scientific | 2012 |
| Access Inventories Ltd | Real estate | 2025 |
| Accounting on US Bookkeeping Ltd | Professional & scientific | 2019 |
| Acepup Ltd | Professional & scientific | 2026 |
| Acorn Tyres and Exhausts Ltd | Wholesale & retail | 2019 |
| Acquisition Marketing Limited | Information & communication | 2022 |
| Acre Strategy Ltd | Real estate | 2023 |
| Acres Overland Limited | Administrative & support | 2021 |
| Across the Universe Ltd | Information & communication | 2018 |
| Action for Life Training Limited | Health & social care | 2023 |
| ADA Deliveries Ltd | Transport & logistics | 2026 |
| Adagio Consulting Limited | Professional & scientific | 1997 |
| Adams Contracting Ltd | Professional & scientific | 2017 |
| Advanced Decking Limited | Construction | 2017 |
| Aerial Crown Ltd | Construction | 2025 |
| Affinity Search Limited | Administrative & support | 2004 |
| AG Insite Limited | Professional & scientific | 2025 |
| AGC Electrical Ltd | Manufacturing | 2009 |
| AGC Energy Ltd | Construction | 2025 |
| Agency Assistance Day Care Limited | Other services | 2022 |
| Agency Assistance Limited | Health & social care | 2021 |
| Agile Edge Performance Ltd | Administrative & support | 2019 |
| Agros Marketing Limited | Professional & scientific | 2014 |
| AHE Properties Co. Limited | Administrative & support | 2006 |
| Airdropgolf Limited | Wholesale & retail | 2020 |
| AJ Siting Ltd | Professional & scientific | 2025 |
| Aj's Holdings (Exmouth) Limited | Financial services | 2025 |
| Aj's Taxis (Exmouth) Limited | Transport & logistics | 2009 |
| Ajax Consultants Limited | Professional & scientific | 2014 |
| Ajima Ltd | Hospitality | 2020 |
| AKD Furniture Limited | Wholesale & retail | 2021 |
| Akyra Ltd | Professional & scientific | 2007 |
| Alan Hillman Building Contractors Limited | Construction | 2012 |
| Alan Todd & SON Limited | Construction | 2004 |
| Albert Close Management Ltd | Professional & scientific | 2007 |
| Albion Cobblers Ltd | Other services | 2019 |
| Alex and James ARE Dead Limited | Arts & recreation | 2021 |
| Alex Richardson Bricklaying & Building Services Limited | Construction | 2024 |
| Alexander House (Exeter) Management Company Limited | Households | 2020 |
| Alexandra Photography and Marketing Ltd | Professional & scientific | 2025 |
| Alexandria Property Limited | Real estate | 2013 |
| Ali's House Ltd | Hospitality | 2025 |
| Alifas Property Ltd | Real estate | 2022 |
| Aliston House Management Company Limited | Real estate | 2010 |
| ALL Aspects Roofing & Maintenance Ltd | Construction | 2009 |
| Allchurch&Sons Ltd | Households | 2025 |
| Alleyn Court Management Company Limited | Households | 1990 |
| Allgadgets Ltd. | Wholesale & retail | 2005 |
| Allparts (Holdings) Limited | Financial services | 2013 |