| 1 Craft 1 Limited | Wholesale & retail | 2015 |
| 1ST Class Research Limited | Professional & scientific | 2023 |
| 46 Cowpasture Road Ilkley Limited | Households | 2001 |
| 911 Sport Limited | Professional & scientific | 2005 |
| A R Cleans Ltd | Administrative & support | 2026 |
| A Riddel and Sons Scrap Metal and Skip Hire Limited | Water & waste | 2000 |
| A&H Freehold Ltd | Real estate | 2021 |
| A.A. Read (Farms) Limited | Agriculture & fishing | 2004 |
| A.D.Growing Solutions Ltd | Administrative & support | 2021 |
| A1 Flowscreed Ltd | Construction | 2016 |
| Abbey Tyre Co. (Cambridge) Ltd | Wholesale & retail | 1960 |
| Absolute Cleaning Services UK Limited | Administrative & support | 2007 |
| Acematch Limited | Information & communication | 1986 |
| Achio Media Ltd | Professional & scientific | 2026 |
| Acorn Eggs Limited | Agriculture & fishing | 2020 |
| Action Properties Limited | Hospitality | 2025 |
| Adlivia Ltd | Wholesale & retail | 2026 |
| Agra Horncastle Limited | Hospitality | 2002 |
| AI Cashflow Studio Ltd | Information & communication | 2026 |
| AJF Engineering Services Ltd | Manufacturing | 2023 |
| AJH Social Work Ltd | Health & social care | 2023 |
| Alamo Holdings Limited | Financial services | 2021 |
| Alamo Properties Limited | Real estate | 2021 |
| ALB Leisure Ltd | Hospitality | 2020 |
| Allround Tyres Limited | Wholesale & retail | 2006 |
| Alsyncro Ltd | Professional & scientific | 2026 |
| Anadent Limited | Health & social care | 2011 |
| Apex Agri Ltd | Manufacturing | 2023 |
| Ardzs Ltd | Arts & recreation | 2026 |
| ARK Design and Build Ltd | Construction | 2022 |
| Astley House (Mablethorpe) Limited | Households | 2003 |
| Atcost Construction Limited | Real estate | 2007 |
| Aura-Soma Products Limited | Manufacturing | 1987 |
| Aurora 4 Excellence Ltd | Professional & scientific | 2025 |
| B a Bush (Holdings) Limited | Professional & scientific | 2012 |
| Badgeworld Limited | Manufacturing | 2013 |
| Badley Ashton Ltd | Professional & scientific | 2017 |
| Badley, Ashton & Associates Limited | Professional & scientific | 1982 |
| Bain Produce Limited | Agriculture & fishing | 2005 |
| Bainvalley Limited | Agriculture & fishing | 2007 |
| Balcan Engineering Limited | Manufacturing | 1972 |
| Balcan Engineering Safety Equipment Limited | Professional & scientific | 1982 |
| Bamburgh Farms Ltd | Financial services | 2015 |
| Barn Holt Limited | Extraterritorial | 2008 |
| Bashfarms Limited | Agriculture & fishing | 2001 |
| Beachside Court Management Group Ltd | Households | 2026 |
| Beamond Property Maintenance Ltd | Administrative & support | 2014 |
| Bearded BBQ Ltd | Hospitality | 2024 |
| Bell & Company Surveyors Limited | Financial services | 2020 |
| Blacklight Limited | Information & communication | 2025 |
| Blacksmiths Lane Management Company Ltd | Households | 2021 |
| Blackthorn Lane Management Company Ltd | Households | 2018 |
| Bournes Motors Limited | Wholesale & retail | 2015 |
| Brian Todd Homes Limited | Construction | 2004 |
| Broadway Roofing (Lincs) Ltd | Construction | 2026 |
| Bryantscroft Puppies Limited | Agriculture & fishing | 2021 |
| C.H. Crust (Farms) Limited | Agriculture & fishing | 1978 |
| Came Court (Management) Company Limited | Households | 2000 |
| Carbon Dog Ltd | Manufacturing | 2025 |
| Cask Limited | Hospitality | 2003 |
| Cesspool SID Limited | Water & waste | 2020 |
| Cfmoto UK Limited | Wholesale & retail | 2021 |
| Chakwenya Ltd | Financial services | 2024 |
| Chattertons Group Holdings Limited | Financial services | 2025 |
| Chattertons Group Limited | Financial services | 2021 |
| Chattertons Legal Services Limited | Professional & scientific | 2015 |
| Chattertons Professional Services Limited | Financial services | 2016 |
| Chattertons Trustee Corporation Limited | Professional & scientific | 2015 |
| Chattertons Wealth Management Limited | Financial services | 2015 |
| Children's Links | Education | 1997 |
| Chris Mckenzie Ltd | Financial services | 2018 |
| Chubby Chalk Properties Limited | Hospitality | 2020 |
| Clear Head Investments Ltd | Real estate | 2014 |
| Cleardon House Limited | Manufacturing | 2025 |
| Cloughfarming Ltd | Extraterritorial | 2026 |
| Compliqa Consultancy Services Ltd | Professional & scientific | 2023 |
| Conging Street Management Company Limited | Other services | 2002 |
| Countrywide Properties (Lincs) Ltd | Construction | 2002 |
| Crazy Cutz Limited | Wholesale & retail | 2013 |
| Creasey Plant and Machinery Sales Ltd | Wholesale & retail | 2022 |
| Crossley Thompson Wealth Management Limited | Professional & scientific | 2018 |
| Crystal Seas Ltd | Professional & scientific | 2017 |
| CSB Civils Ltd | Construction | 2021 |
| CSB Concrete Ltd | Manufacturing | 2023 |
| CSB Groundworks Ltd | Construction | 2020 |
| CSB Holdings (Lincolnshire) Ltd | Financial services | 2023 |
| CSB Properties (Lincolnshire) Ltd | Real estate | 2023 |
| CUP & Dough Ltd | Hospitality | 2024 |
| Cupit & Newton Properties Limited | Real estate | 2013 |
| Curious Bazaar Ltd | Wholesale & retail | 2023 |
| Cynergi Limited | Professional & scientific | 2010 |
| D & J Brown Huttoft Ltd | Real estate | 2022 |
| D & S Trustees Ltd | Professional & scientific | 2023 |
| D.A.Read(Farms)Limited | Extraterritorial | 1972 |
| Dambuster Roofing Group Ltd | Construction | 2025 |
| Data Shred Lincs Limited | Manufacturing | 2011 |
| Dave Cross Body Repairs Limited | Wholesale & retail | 2002 |
| DCZ Group Ltd | Professional & scientific | 2010 |
| Delcomsgroup Ltd | Construction | 2024 |
| Dexter & Sharpe (Lincoln) Limited | Professional & scientific | 2017 |