| John Delany Motors Limited | Wholesale & retail | 2003 |
| John Dervin Limited | Wholesale & retail | 2003 |
| John Douglas Limited | Wholesale & retail | 2006 |
| John Fletcher Solicitors Limited | Professional & scientific | 2007 |
| John G. Winterbottom (Charlesworth) Limited | Wholesale & retail | 1975 |
| John Lennon Airport Parking Ltd | Extraterritorial | 2008 |
| John Leslie Mellor Estate Agents Ltd. | Real estate | 1993 |
| John Maxwell of Wilmslow Limited | Administrative & support | 2004 |
| John Murphy Construction Ltd | Construction | 2007 |
| John R. Boone Limited | Manufacturing | 1931 |
| John Southworth Builders Limited | Construction | 1989 |
| John Westall Limited | Professional & scientific | 1971 |
| John Wood Group Finance Limited | Professional & scientific | 2025 |
| John Wood Group Funding Limited | Professional & scientific | 2025 |
| Johnathan Gilbert Properties Ltd | Construction | 2008 |
| Johnsons of Nantwich Limited | Manufacturing | 1960 |
| Jolanka (UK) Limited | Wholesale & retail | 1999 |
| Jones & Reeves Limited | Extraterritorial | 2008 |
| Jones Nuttall Limited | Manufacturing | 1976 |
| Jones Residential Limited | Professional & scientific | 1990 |
| Joseph Benjamin Ltd | Hospitality | 2006 |
| Joseph Wilcox & SON Limited | Extraterritorial | 1957 |
| Joule Estate Limited | Real estate | 1949 |
| Journey Compliance Ltd | Professional & scientific | 2018 |
| JRB Enterprise Limited | Manufacturing | 2001 |
| JS Electrical Construction Ltd | Construction | 2017 |
| Jsgm Ltd | Professional & scientific | 2007 |
| JSS Interiors Ltd | Construction | 2018 |
| JT Physiotherapy Limited | Health & social care | 2005 |
| Jubilee Court Holmes Chapel Management Company Limited | Households | 1981 |
| Judith Brass (Solicitor) Limited | Professional & scientific | 2007 |
| Judith Craig Limited | Manufacturing | 1986 |
| Juggu Tech Ltd | Information & communication | 2018 |
| Julian Benson Associates Limited | Professional & scientific | 2003 |
| Junnar Limited | Administrative & support | 2006 |
| Just a Weekend Limited | Administrative & support | 2000 |
| Juvesca Limited | Information & communication | 2006 |
| JW Global Traders Ltd | Wholesale & retail | 2026 |
| K & H Akhtar Ltd | Health & social care | 2003 |
| K & M Joinery and Building Services Limited | Construction | 2004 |
| K & S (287) Limited | Construction | 1996 |
| K Allman Electrics Limited | Administrative & support | 2005 |
| K D Care Limited | Administrative & support | 2011 |
| K H Farming Limited | Extraterritorial | 2005 |
| K Hodgkinson Builders Ltd | Construction | 2019 |
| K M Investments UK Limited | Real estate | 2005 |
| K P Jordan Ltd | Construction | 2003 |
| K Shaw (Cramlington) Ltd | Real estate | 1993 |
| K. Shaw (Holdings) Limited | Financial services | 1988 |
| K.H. Lancaster Transport Limited | Transport & logistics | 2001 |
| K.R.B. Transport Ltd | Transport & logistics | 1997 |
| K.S. Dents Limited | Wholesale & retail | 2004 |
| Kaden Inc Ltd | Financial services | 2022 |
| KAM Marketing Associates Limited | Administrative & support | 2004 |
| Kandou Crafts Ltd | Manufacturing | 2021 |
| Kane Business Solutions Limited | Professional & scientific | 1999 |
| Kardon Kontracts Ltd | Financial services | 1977 |
| Karen Atkinson Medical Communications Limited | Health & social care | 2022 |
| Karlock Limited | Professional & scientific | 2003 |
| Kay's Atlas Brewery Limited | Extraterritorial | 1896 |
| KB Private Dining Ltd | Administrative & support | 2021 |
| KBS 88 Limited | Other services | 2006 |
| KCP Cleans Limited | Transport & logistics | 2023 |
| KCP Nursery Ltd | Financial services | 2021 |
| KDZ North West Limited | Real estate | 1988 |
| Keith Duffy Ltd | Financial services | 2005 |
| Kendra Boffey Limited | Health & social care | 2006 |
| Kensington Enterprises (NW) Ltd | Wholesale & retail | 2006 |
| Kenswanton Limited | Real estate | 1963 |
| Kessel Projects Limited | Professional & scientific | 2023 |
| Kestrel Building Products Limited | Professional & scientific | 1991 |
| Key Leisure Group Limited | Extraterritorial | 1994 |
| Key Performance Solutions Limited | Information & communication | 2007 |
| Keyfax Manchester Limited | Wholesale & retail | 2004 |
| Kiddicove Day Nursery Limited | Health & social care | 2020 |
| Killa Limited | Professional & scientific | 2007 |
| Kilmor Consulting Limited | Professional & scientific | 2020 |
| Kinder & Janes Limited | Professional & scientific | 1960 |
| Kindertons Property Development Limited | Construction | 2005 |
| Kingsley Electrical Services Ltd | Construction | 2001 |
| Kinsey Consulting Ltd | Information & communication | 2006 |
| Kirsty Meakin Nail Academy Ltd | Wholesale & retail | 2020 |
| Knight Construction (North West) Ltd | Wholesale & retail | 2003 |
| Knight Estates Properties Limited | Real estate | 2019 |
| Knightlow Children's Partnership Limited | Education | 2004 |
| KNO Sport Limited | Information & communication | 2003 |
| Knutsford Domestic Fuel OIL Company Limited | Professional & scientific | 1960 |
| Knutsford Heritage Centre | Arts & recreation | 1998 |
| Kofab Engineering Limited | Manufacturing | 2003 |
| Konnekt Offsite Ltd | Manufacturing | 2022 |
| Krakatoa Consultants Limited | Financial services | 1991 |
| KSL Transport Limited | Transport & logistics | 2002 |
| KTP Textile Related Services Limited | | 1992 |
| Kudos Corporate Finance Limited | Financial services | 2007 |
| Kwick and Natural Foods Limited | Hospitality | 2006 |
| L & L Estates Limited | Real estate | 2006 |
| L Woodward & Sons Limited | Transport & logistics | 1997 |
| L. & J. Formal Hire Limited | Other services | 2002 |
| L.G.K. Investment Properties Limited | Real estate | 1992 |
| L.I.A. Limited | Real estate | 2004 |