| KUGANIRA25 LLP | | 2025 |
| KUGANIRA25 Properties Ltd | Real estate | 2025 |
| Kumar Quality & Consultancy Ltd | Professional & scientific | 2025 |
| Kumplicit Media Limited | Arts & recreation | 2024 |
| Kumsar IT Solutions Ltd | Information & communication | 2010 |
| Kuner IT Solutions Ltd | Professional & scientific | 2010 |
| Kurd G Barber Ltd | Other services | 2024 |
| Kurt Wyman Surveyors Limited | Real estate | 2013 |
| Kvik Link Ltd | Transport & logistics | 2023 |
| KW 1000 Limited | Water & waste | 2018 |
| KW 1002 Limited | Water & waste | 2018 |
| KW Lilleybrook Limited | Water & waste | 2018 |
| KW Quality Solutions Limited | Professional & scientific | 2013 |
| Kwave Ltd | Construction | 2026 |
| Kwikomfi (Leominster) Ltd | Real estate | 2024 |
| Kwikomfi (UK) Ltd | Wholesale & retail | 2024 |
| Kwt-Inspired Ltd | Health & social care | 2014 |
| KYA Services Ltd | Construction | 2019 |
| KYM Scott Consultancy Limited | Education | 2015 |
| Kymac Builders & Renovations Ltd | Construction | 2023 |
| L & H Enterprises Ltd | Transport & logistics | 2019 |
| L & L Sporting Ltd | Arts & recreation | 2026 |
| L & R Precision Engineering Ltd | Professional & scientific | 2013 |
| L & S Lifestyle Limited | Wholesale & retail | 2021 |
| L a Tempest Design Ltd | Arts & recreation | 2017 |
| L C & O S Group Limited | Administrative & support | 2023 |
| L D Lucas Limited | Professional & scientific | 2016 |
| L Floyd Electrical Contractors Ltd | Construction | 2015 |
| L J House Construction Ltd | Construction | 2015 |
| L M Private Hire Pershore Limited | Transport & logistics | 2019 |
| L Morman Ltd | Information & communication | 2026 |
| L Murdock Rentals Ltd | Real estate | 2022 |
| L Peck Electrical Ltd | Construction | 2022 |
| L Uzzell Freelance Ltd | Professional & scientific | 2018 |
| L&P Developments Ltd | Construction | 2023 |
| L&R Bar Leisure Ltd | Hospitality | 2026 |
| L&W Bricklaying & Building Contractors Ltd | Construction | 2013 |
| L.A.C.S. Management Ltd | Households | 2019 |
| L.B. Bentley Limited | Manufacturing | 1972 |
| L.S. Salvage & SON Limited | Construction | 2003 |
| L2 Global Technologies PVT Ltd | Information & communication | 2025 |
| L4 Agriculture Ltd | Wholesale & retail | 2021 |
| LA Bella Havens. Limited | Manufacturing | 2026 |
| LA Durum Limited | Hospitality | 2023 |
| LA Lisiere Limited | Professional & scientific | 2022 |
| LA Manga Villa Rental Limited | Administrative & support | 2014 |
| LA Mattina CIC | Arts & recreation | 2025 |
| LA Pieuvre Technologique Ltd | Information & communication | 2025 |
| LA Serenissima Limited | Arts & recreation | 2013 |
| LAB 171 Limited | Information & communication | 2019 |
| Lab/Ora Press Ltd | Information & communication | 2022 |
| Laburnum Villas (Hartpury) Management Limited | Households | 2017 |
| Lace and Lashes Limited | Arts & recreation | 2026 |
| Lace Street Capital Limited | Construction | 2015 |
| Lacey Homes Ltd | Real estate | 2019 |
| Lacey Lettings Ltd | Households | 2020 |
| Ladis Haus Limited | Wholesale & retail | 2026 |
| Lady Jane Events Limited | Administrative & support | 2004 |
| Lady Janey Ltd | Administrative & support | 2024 |
| Ladybellegate Estates Limited | Real estate | 2015 |
| Ladym Healthcare Limited | Health & social care | 2016 |
| Laguna Holdings Limited | Construction | 2019 |
| Laibaasghar PVT. Limited | Wholesale & retail | 2026 |
| Laiva Ltd | Information & communication | 2021 |
| LAJ Cleaning Services Ltd | Administrative & support | 2023 |
| Lake Farm Enterprises Limited | Hospitality | 2020 |
| Lakeshore Leisure (Clawton) Limited | Administrative & support | 2019 |
| Lakeshore Leisure (Dunkeswell) Limited | Administrative & support | 2019 |
| Lakeshore Leisure (Upottery) Limited | Administrative & support | 2019 |
| Lakeshore Leisure Group Limited | Administrative & support | 2019 |
| Lakeside Blinds Ltd | Wholesale & retail | 2025 |
| Lakeside Enterprises Limited | Households | 1993 |
| Lakin Electrical Ltd | Construction | 2026 |
| Lammas Court Homes Limited | Real estate | 2003 |
| Lancett & Co Limited | Financial services | 2011 |
| Lanciano Brickwork Ltd | Construction | 2025 |
| Land Redefined Ltd | Real estate | 2025 |
| Land Stock Limited | Real estate | 2024 |
| Landit.Jobs Limited | Administrative & support | 2025 |
| Landmark Investments Limited | Construction | 1974 |
| Laners Lettings Limited | Real estate | 2024 |
| Lanescapes Ltd | Administrative & support | 2023 |
| Langate Managers Limited | Households | 1984 |
| Langford Property Developments Ltd | Construction | 2020 |
| Langley Wellington LLP | | 2011 |
| Langley Wellingtons (Gloucester) Limited | Professional & scientific | 1999 |
| Langstone Travel Goods Ltd | | 2009 |
| Lansdown Hockey Club Limited | Arts & recreation | 2023 |
| LAP Enterprises Ltd | Financial services | 2022 |
| Lapye Properties Limited | Financial services | 2023 |
| Laqa Digital Limited | Information & communication | 2016 |
| Lara Butler Dressage Ltd | Arts & recreation | 2026 |
| Larchtower Engineering Limited | Manufacturing | 1987 |
| Larian Construction (Glos) Ltd | Construction | 2023 |
| Lark Ascent Limited | Construction | 2019 |
| Lark Cooper Holdings Ltd | Financial services | 2021 |
| Lark Cooper Ltd | Construction | 2021 |
| Larkins Limited | Real estate | 2021 |
| Laser Alarms Limited | Administrative & support | 1985 |
| Lassington Court Management Co. Limited | Households | 2002 |