| K Charles Locum Limited | Health & social care | 2014 |
| K City Tyres Limited | Wholesale & retail | 2016 |
| K Concepcion Builders Limited | Construction | 2019 |
| K Courier Services Limited | Transport & logistics | 2015 |
| K D & B Lettings Ltd | Real estate | 2023 |
| K D Drinks Ltd | Hospitality | 2015 |
| K D Engines Limited | Professional & scientific | 2023 |
| K Dhillon Ltd | Transport & logistics | 2025 |
| K G Consulting Services Limited | Professional & scientific | 2022 |
| K G H Mechanical Services Limited | Administrative & support | 2006 |
| K G Joiner & Builder Ltd | Construction | 2023 |
| K Invest Limited | Real estate | 2026 |
| K J Enigma Consultancy Limited | Information & communication | 2020 |
| K J General Trading Ltd | Wholesale & retail | 2025 |
| K J. Carpentry and Joinery Limited | Construction | 2006 |
| K Jadva Logistics Limited | Transport & logistics | 2026 |
| K K (GB) Limited | Wholesale & retail | 2009 |
| K K Enterprise Limited | Wholesale & retail | 2009 |
| K K Fruit and Vegetable Ltd | Wholesale & retail | 2024 |
| K K Group Limited | Wholesale & retail | 2025 |
| K K Installations (Leicester) Limited | Construction | 2023 |
| K K Kulfi Ltd | Manufacturing | 2026 |
| K K West Bridgford Ltd | Wholesale & retail | 2020 |
| K Krishan Contractors Ltd | Construction | 2019 |
| K LUE Carpentry Limited | Construction | 2004 |
| K M & M C Mehta Ltd | Real estate | 2016 |
| K M Dental Laboratory Ltd | Health & social care | 2022 |
| K M Electricals (Leic) Ltd | Construction | 2015 |
| K M TAM & Associates Limited | Health & social care | 2005 |
| K Makwana Photography Limited | Professional & scientific | 2014 |
| K Mitchell Properties Limited | Real estate | 2022 |
| K N Properties Limited | Real estate | 2006 |
| K Niedbala Ltd | Wholesale & retail | 2016 |
| K O M S Ltd | Information & communication | 2008 |
| K P B Financial Services Ltd | Professional & scientific | 2014 |
| K S Construction Leicester Ltd | Construction | 2014 |
| K S Fashion Limited | Manufacturing | 2024 |
| K S Haulage Ltd | Transport & logistics | 2010 |
| K S K Construction Leicester Ltd | Construction | 2015 |
| K S Land Ltd | Real estate | 2010 |
| K Sharma Investments Ltd | Real estate | 2021 |
| K Singh Builders Ltd | Construction | 2019 |
| K Star Apart Ltd | Hospitality | 2018 |
| K Street 51 Limited | Real estate | 2019 |
| K Sweet Centre Ltd | Wholesale & retail | 2026 |
| K T Cars Limited | Wholesale & retail | 2012 |
| K Textiles Limited | Manufacturing | 2022 |
| K Trades Online Ltd | Wholesale & retail | 2024 |
| K Wadhwa & Co Ltd | Health & social care | 2015 |
| K&A A/V Productions Limited | Wholesale & retail | 2011 |
| K&A Electrical Limited | Construction | 2021 |
| K&A Property Services Ltd | Households | 2025 |
| K&B Foods Limited | Wholesale & retail | 2025 |
| K&C Foods Ltd | Hospitality | 2025 |
| K&D Consultants Ltd | Construction | 2015 |
| K&G Service Crowborough Ltd | Wholesale & retail | 2018 |
| K&J Investment Properties Ltd | Real estate | 2026 |
| K&K Accounts and Tax Associates Ltd | Professional & scientific | 2026 |
| K&K UK Investments Ltd | Real estate | 2025 |
| K&M Vehicle Movement Ltd. | Transport & logistics | 2024 |
| K&P Elevate Space Solutions Ltd | Administrative & support | 2026 |
| K&R Khaira Properties Ltd | Real estate | 2025 |
| K&R Lettings Ltd | Real estate | 2014 |
| K&S Farms Ltd | Wholesale & retail | 2022 |
| K&S Investments Ltd | Financial services | 2023 |
| K&V Parker Ltd | Hospitality | 2019 |
| K'S Cooks Ltd | Manufacturing | 2024 |
| K-Direct Link Ltd | Extraterritorial | 2024 |
| K-Jal Retail Ltd | Wholesale & retail | 2026 |
| K-Lalia Ltd | Information & communication | 2026 |
| K-Prim Wear Ltd | Wholesale & retail | 2025 |
| K-Tech IT Services Ltd. | Information & communication | 2016 |
| K. & S. Knitting Co. Limited | | 1982 |
| K. Antiques and Fine Arts Limited | Real estate | 1983 |
| K. E. Carter and SON Limited | Construction | 2009 |
| K. Lockwood & R.Slater Limited | Manufacturing | 2003 |
| K. T. (Leicester) Ltd | Health & social care | 2010 |
| K. T. Corporate Advisory Ltd | Professional & scientific | 2026 |
| K.A.F. Doci Ltd | Administrative & support | 2020 |
| K.A.P Transport (Leicester) Ltd | Transport & logistics | 2016 |
| K.A.R Associates Limited | Health & social care | 2007 |
| K.A.R. Corporation Limited | Health & social care | 2011 |
| K.C. Building and Groundworks Limited | Construction | 2006 |
| K.E. Hibberd Limited | Real estate | 1988 |
| K.G. Bailey Limited | Wholesale & retail | 1999 |
| K.G. the Bay Ltd | Manufacturing | 2022 |
| K.H Piping & Welding Solutions Ltd | Construction | 2014 |
| K.Higgins Limited | Manufacturing | 2017 |
| K.I. (Leicester) Limited | Education | 2001 |
| K.J. Logistics Ltd | Transport & logistics | 2018 |
| K.J.S Acquisitions Ltd | Wholesale & retail | 2019 |
| K.K Magic House Renovation Ltd | Construction | 2025 |
| K.K. Developments (UK) Limited | Real estate | 2002 |
| K.M Food & Drinks Ltd | Wholesale & retail | 2018 |
| K.Mel Solutions Ltd | Hospitality | 2025 |
| K.O. Electrics Limited | Construction | 1999 |
| K.S.Holland Ltd | Construction | 2018 |
| K.T.R. Garments (UK) Limited | Wholesale & retail | 2009 |
| K05 Investments Limited | Wholesale & retail | 2023 |
| K1 Projects Ltd | Information & communication | 2017 |