| 1 Limmerick Place Management Company Limited | Households | 1990 |
| 106 Beaufort Street M.C. Limited | Other services | 1998 |
| 123 Parkway Limited | Administrative & support | 2014 |
| 13 Barn Close Management Company Limited | Administrative & support | 2006 |
| 132 North Road (Saltash) Management Company Limited | Households | 2009 |
| 1618 Property Ltd | Real estate | 2024 |
| 19TH Green Ltd | Arts & recreation | 2025 |
| 26 Collingham Place Limited | Hospitality | 1991 |
| 28/30 Beaumont Road Management Company Limited | Households | 1989 |
| 2GC Building Services Ltd | Construction | 2025 |
| 33 Batter Street Management Company Limited | Households | 2021 |
| 49 Valletort Road Management Company Plymouth Limited | Hospitality | 2008 |
| 54 & 58 High Street Corsham Limited | Extraterritorial | 2002 |
| 6 Degrees Sport Ltd | Arts & recreation | 2011 |
| A & B Potatoes Limited | Wholesale & retail | 2012 |
| A D Williams Building Contractors Limited | Construction | 2015 |
| A. R. Haddy & SON Holdings Limited | Financial services | 2016 |
| A. R. Haddy & SON Limited | Transport & logistics | 1959 |
| A.C.D. Electrical Services Limited | Construction | 2002 |
| A38 Caravans Ltd. | Manufacturing | 2011 |
| AAM Woodland Building Contractors Ltd | Construction | 2022 |
| Abbeyfield Saltash Society Limited (the) | Health & social care | 1973 |
| ABC Electrical Contractors Ltd | Construction | 2015 |
| Able Print Limited | Manufacturing | 2004 |
| AC Bricklaying Ltd | Construction | 2018 |
| Accumulus Resources Ltd | Manufacturing | 2010 |
| ACD Electrical Green-Tech Limited | Construction | 2022 |
| Acorn Land and New Homes Ltd | Construction | 2016 |
| Actea Holdings Limited | Financial services | 2021 |
| Adhd & Clinical Services Ltd | Health & social care | 2025 |
| ADS GAS Plumbing & Heating Ltd | Manufacturing | 2015 |
| Advanced Fire Protection (South West) Limited | Public administration | 2008 |
| Adventure Bay Surf Shop Ltd | Wholesale & retail | 2026 |
| ADW Architecture Limited | Professional & scientific | 2015 |
| ADW Electrical SW Ltd | Construction | 2019 |
| AF Protection Limited | Construction | 2016 |
| Affordable Tyres Ltd | Wholesale & retail | 2024 |
| AG Accountancy Ltd | Professional & scientific | 2020 |
| AG Locksmiths Limited | Manufacturing | 2012 |
| Agafix Spares Limited | Wholesale & retail | 2023 |
| Ahimsa (Safer Families) Ltd | Other services | 2005 |
| Ainigma Universe UK Ltd | Professional & scientific | 2024 |
| Air Services South West Limited | Manufacturing | 2018 |
| Airluxe Ltd | Administrative & support | 2006 |
| AJ Holdings South West Limited | Financial services | 2021 |
| AJB Training and Testing Ltd | Education | 2024 |
| Alan Harper Composites Ltd | Manufacturing | 2011 |
| Alberry Property Management Limited | Real estate | 2024 |
| Alex Smith Wealth Management Limited | Professional & scientific | 2023 |
| Alfords Auto Repair (SW) Limited | Wholesale & retail | 2022 |
| Align Carpentry & Joinery Ltd | Construction | 2022 |
| Alin Saltash Ltd | Hospitality | 2024 |
| ALL Home Improvements Cornwall Ltd | Construction | 2020 |
| Allbuild Consultancy Ltd | Construction | 2025 |
| Allbuild Developments SW Ltd | Construction | 2022 |
| Allgas South West Ltd | Construction | 2009 |
| Alloyfish Limited | Professional & scientific | 2005 |
| Allphase Projects Ltd | Manufacturing | 2026 |
| Alphaplas Ltd | Construction | 1995 |
| Am-Dm (Retail) Ltd | Wholesale & retail | 2011 |
| Amari Oakwyn Limited | Construction | 2025 |
| Ameya Consulting Limited | Professional & scientific | 2006 |
| Andanan Coffee and Forest Enterprise (Cafe) CIC | Agriculture & fishing | 2025 |
| Aplomb Care Ltd | Health & social care | 2022 |
| Appleby Westward Group Limited | Wholesale & retail | 1984 |
| Arbenygyow Building Ltd | Construction | 2026 |
| Arcadant BV Ltd | Wholesale & retail | 2019 |
| Archway Bricklayers Limited | Construction | 2007 |
| ARK South West Ltd | Professional & scientific | 2018 |
| Armaurto Limited | Manufacturing | 2015 |
| Arng Limited | Other services | 2025 |
| Artof Limited | Information & communication | 2011 |
| ASH Tree Saltash CIC | Other services | 2025 |
| Ashcroft Civil Engineering Limited | Wholesale & retail | 2005 |
| Ashcroft Demolition (South West) Ltd | Construction | 2018 |
| AST Consultants Ltd | Professional & scientific | 2021 |
| AT Heart Ltd | Health & social care | 2014 |
| Atlas Self Storage & Removals Limited | Transport & logistics | 2012 |
| Attain Zero Ltd | Professional & scientific | 2024 |
| Aura Hygiene & Facilities Group Ltd | Administrative & support | 2025 |
| Aura Hygiene Group Ltd | Administrative & support | 2025 |
| Auroraspring Ltd | Health & social care | 2023 |
| Avandra Change Limited | Professional & scientific | 2025 |
| Avelimus Limited | Information & communication | 2024 |
| Avocette Limited | Information & communication | 1990 |
| Axiom HR Solutions Limited | Administrative & support | 2014 |
| B & B Developments (SW) Ltd | Construction | 2022 |
| B and E SW Ltd | Wholesale & retail | 2020 |
| B&E Brickwork Limited | Construction | 2020 |
| BAD Publications Ltd | Information & communication | 2023 |
| Balance Done Right Ltd | Hospitality | 2024 |
| Balmah JJ Ltd | Wholesale & retail | 2023 |
| Balment Keep Limited | Professional & scientific | 2017 |
| BB Holdings (UK) Limited | Administrative & support | 2009 |
| Beach Marine Services Ltd | Transport & logistics | 2015 |
| Beacon Builds Ltd | Real estate | 2018 |
| Beff Holdings Ltd | Financial services | 2025 |
| Belting Solutions Ltd | Manufacturing | 2020 |
| Bennetts Gardens Management Company Limited | Households | 2008 |
| Bentley Duke Development LLP | | 2022 |