| 1ST4DRIVING Ltd | Education | 2005 |
| 77 Property Ventures Ltd | Real estate | 2018 |
| 913 Management Limited | Real estate | 2011 |
| A & D Engineering Ltd | Agriculture & fishing | 1997 |
| A C Future Limited | Construction | 2020 |
| A D Williams Building & Civil Engineering Contractors Limited | Construction | 2013 |
| A D Williams Employee Ownership Trustee Limited | Professional & scientific | 2020 |
| A D Williams Holdings Limited | Financial services | 2020 |
| A F Hewitson Limited | Wholesale & retail | 2003 |
| A J Dance Limited | Professional & scientific | 2014 |
| A Maid in Heaven Ltd. | Households | 2001 |
| A Star Access Ltd | Construction | 2022 |
| A.P. Planning & Logistics Limited | Professional & scientific | 2003 |
| A1 Construction & Maintenance (Cornwall) Limited | Wholesale & retail | 2009 |
| Abko Limited | Manufacturing | 1997 |
| About Time Technologies Limited | Information & communication | 2023 |
| ABT Valeting Services Ltd | Administrative & support | 2026 |
| Ace's Pools to Schools CIC | Education | 2025 |
| Acme Integration Ltd | Information & communication | 2017 |
| Acnestis Consulting Limited | Administrative & support | 2020 |
| Acorn Building & Plumbing Ltd | Construction | 2022 |
| ACW CAD Consultants Limited | Information & communication | 2010 |
| Adrian Corey Construction Limited | Construction | 2014 |
| Adventus Transcription Services Limited | Professional & scientific | 2002 |
| Aerworld Ltd | Wholesale & retail | 2026 |
| AGE of Peers Limited | Information & communication | 2015 |
| Agrimanuals Limited | Information & communication | 2020 |
| Ales & Tails Ltd | Hospitality | 2021 |
| Alison Battersby Psychiatric Services Ltd | Health & social care | 2014 |
| Allsop Matcham Limited | Real estate | 2006 |
| Alsery Farm Limited | Administrative & support | 2005 |
| AMC Electrical Limited | Construction | 2021 |
| AMF Property Solutions Limited | Construction | 2024 |
| AMS Plant & Agri Ltd | Manufacturing | 2025 |
| ANC Services (SW) Ltd | Construction | 2022 |
| Andrew Bloomfield (Building) Limited | Construction | 2002 |
| APN Consulting Limited | Professional & scientific | 2026 |
| Appleby Rest Homes Limited | Health & social care | 1987 |
| Archico Ltd | Professional & scientific | 2021 |
| Archway Dental (Saltash) Ltd | Health & social care | 2023 |
| Arnold Enterprises Ltd | Real estate | 2025 |
| Asbo Autos Performance Centre Ltd | Wholesale & retail | 2018 |
| ASH Refurbishments Ltd | Construction | 2012 |
| Ashton Contractors Limited | Transport & logistics | 2022 |
| Aspire Personal Training Limited | Other services | 2020 |
| Atlantic Industrial Group Ltd | Construction | 2025 |
| AVM Fabrications Limited | Extraterritorial | 2009 |
| AWE Fibreglass Flat Roofing Limited | Construction | 2023 |
| Azimuth MB Ltd | Information & communication | 2016 |
| Babydam Limited | Wholesale & retail | 2018 |
| Baccs SW Limited | Other services | 2016 |
| Baker Cafes Limited | Hospitality | 2012 |
| Baker Inns Limited | Wholesale & retail | 2002 |
| Ball & Ball Farm Services Limited | Manufacturing | 2012 |
| Banjaara Limited | Wholesale & retail | 2022 |
| Bard IT Ltd | Information & communication | 2020 |
| Barrowgate Developments Limited | Extraterritorial | 2012 |
| Bawden's Ltd | Manufacturing | 2020 |
| Beanos Estates Limited | Administrative & support | 2005 |
| Beaver (UK) Limited | Construction | 2005 |
| Beaver Teeth Services Limited | Agriculture & fishing | 2017 |
| Behind the DOT Limited | Information & communication | 2006 |
| BEN Young Lowloader & General Haulage Ltd | Transport & logistics | 2024 |
| Bent Wood Ltd | Professional & scientific | 2024 |
| Bertoli Brothers Ltd | Real estate | 2022 |
| Bibby Engineers Limited | Manufacturing | 1949 |
| Big Reach Power Wash Ltd | Administrative & support | 2024 |
| Black Magic Performance Centre Ltd | Wholesale & retail | 2019 |
| Blackdown Agri Limited | Wholesale & retail | 2019 |
| Blacksmith Meadow Management Company Limited | Households | 2025 |
| Blacksmith Park Limited | Agriculture & fishing | 2015 |
| Blastcoatz Limited | Construction | 2022 |
| Blencathra Capital LLP | | 2010 |
| Blokes Hub CIC | Education | 2026 |
| Bolthole Solutions Limited | Extraterritorial | 2000 |
| Boost Social Media Ltd | Extraterritorial | 2015 |
| Born to Grill Ltd | Hospitality | 2019 |
| Boroncana 219 Limited | Real estate | 2012 |
| BPA Bodyshop Ltd | Wholesale & retail | 2020 |
| BPW Windows Limited | Manufacturing | 2006 |
| Bramley Shire Limited | Real estate | 2022 |
| Brenton Construction Limited | Construction | 2022 |
| Brewtique Coffee and Cake Limited | Hospitality | 2025 |
| Bridgemoor Group Ltd | Manufacturing | 2025 |
| Britannia Navigation Systems Ltd | Information & communication | 2026 |
| Brookside Ecology Limited | Professional & scientific | 2023 |
| C L W Retail Ltd | Wholesale & retail | 2022 |
| C.F.S.Developments Ltd | Construction | 2026 |
| CA Wyatt Construction Services Limited | Construction | 2019 |
| Callington Fabrication Limited | Construction | 2020 |
| Callington Motors Limited | Wholesale & retail | 2010 |
| Callington Preloved Ltd | Wholesale & retail | 2025 |
| Callington School of Art Limited | Hospitality | 2012 |
| Callington Self Storage Limited | Transport & logistics | 2015 |
| Callington Town Forum Community Interest Company | Health & social care | 2016 |
| Calweton Building Construction Limited | Construction | 1973 |
| Captainlynn Limited | Real estate | 1983 |
| Carneth Ltd | Construction | 2021 |
| Cartech Electronics Ltd | Wholesale & retail | 2012 |
| Centaur JIU Jitsu Ltd | Education | 2025 |