| Foutu World Ltd | Extraterritorial | 2023 |
| G & R Plumbing & Heating Contractors Ltd | Construction | 2018 |
| G-Tech Coper Limited | Manufacturing | 1966 |
| GB Site Services Limited | Extraterritorial | 2025 |
| Generix Facades International Limited | Manufacturing | 2015 |
| Generix Facades Ltd. | Manufacturing | 2013 |
| Glen 1963 Limited | Extraterritorial | 2013 |
| Golby & Luck Arboriculture Limited | Professional & scientific | 2018 |
| Golby & Luck Ltd | Professional & scientific | 2014 |
| Gracie Jaynes Limited | Wholesale & retail | 2020 |
| GSM Plumbing & Heating Limited | Construction | 2014 |
| Hada Mechanical Services Ltd | Construction | 2020 |
| Haltams Holdings Limited | Real estate | 2021 |
| Harnham Limited | Real estate | 2018 |
| Hero Property Management Ltd | Households | 2022 |
| Higgotts Limited | Wholesale & retail | 2018 |
| Horizontravelgroup Ltd | Transport & logistics | 2026 |
| Horn Distribution UK Limited | Wholesale & retail | 2022 |
| Hosefix Plant Hose Services (UK) Limited | Extraterritorial | 2011 |
| Hosta Consulting Limited | Other services | 2014 |
| Hybrid Nest Limited | Construction | 2024 |
| Ibstock Bites Ltd | Hospitality | 2024 |
| Ibstock Bites Takeaway Ltd | Hospitality | 2024 |
| Ibstock Brick Aldridge Property Limited | Extraterritorial | 1930 |
| Ibstock Brick Holding Company Limited | Professional & scientific | 1963 |
| Ibstock Building Products Limited | Professional & scientific | 2014 |
| Ibstock Catering Ltd | Hospitality | 2025 |
| Ibstock Electrical Limited | Construction | 2007 |
| Ibstock Fish & Chips Limited | Hospitality | 2017 |
| Ibstock Fish Bar Ltd | Hospitality | 2024 |
| Ibstock Hathernware Limited | Extraterritorial | 1946 |
| Ibstock Mangal Ltd | Hospitality | 2026 |
| Ibstock Manufacturing Services Limited | Manufacturing | 2019 |
| Ibstock PLC | Manufacturing | 2015 |
| Ibstock Telling GRC Limited | Professional & scientific | 2015 |
| Igmd Group Limited | Professional & scientific | 2016 |
| Igmd Ltd | Manufacturing | 2016 |
| Inner Light Digital Ltd | Professional & scientific | 2022 |
| Interactive Fish Holdings Limited | Information & communication | 2016 |
| Interactive Fish Limited | Information & communication | 2016 |
| ION Daniel Vatau Limited | Transport & logistics | 2025 |
| J S Swann Ltd | Administrative & support | 2022 |
| J.T. Newbold and Sons (Ibstock) Limited | Transport & logistics | 1984 |
| James Read (Accountant) Ltd. | Professional & scientific | 2012 |
| Jams Products Ltd | Wholesale & retail | 2023 |
| Jason Wilford Services Limited | Manufacturing | 2007 |
| JB Developments (Midlands) Ltd | Construction | 2026 |
| Jedi Media Limited | Information & communication | 2011 |
| JHE Livestock Limited | Agriculture & fishing | 2010 |
| Jlwarner Ltd | Real estate | 2025 |
| JMT Construction Limited | Construction | 2022 |
| K Bennesch Limited | Professional & scientific | 2021 |
| K S Local Limited | Wholesale & retail | 2021 |
| KA & DK Watts Agencies Ltd | Administrative & support | 2002 |
| Kanon Liquid Handling Ltd | Manufacturing | 2003 |
| Katie Sutton Limited | Other services | 2020 |
| Kauai Lifestyle Ltd | Health & social care | 2023 |
| Kevington Building Products Limited | Manufacturing | 1987 |
| Kiral Limited | Health & social care | 2017 |
| Kittsy Ltd | Professional & scientific | 2025 |
| L&R Home Maintenance Ltd | Other services | 2017 |
| LAR Homes Limited | Real estate | 2024 |
| Latitude Complete Solutions Ltd | Manufacturing | 2023 |
| Left Field Collective Limited | Professional & scientific | 2022 |
| Letts Structural Engineering Limited | Professional & scientific | 2021 |
| Lewis Domestic Services Ltd | Construction | 2022 |
| Lewis Wainde Plumbing & Heating Limited | Construction | 2020 |
| LG Plumbing & Heating Limited | Construction | 2017 |
| Liberi Investments Limited | Financial services | 2018 |
| Lilley & Co (UK) Limited | Professional & scientific | 2015 |
| Lola Rose Properties Limited | Real estate | 2026 |
| Longley Concrete Ltd | Manufacturing | 1947 |
| Longley Holdings Limited | Professional & scientific | 1986 |
| Loopfire Systems Limited | Real estate | 2000 |
| Loughborough Road Nurseries Ltd | Wholesale & retail | 2004 |
| Loxx Hair Salon Ltd | Other services | 2017 |
| Lumenico Limited | Manufacturing | 2013 |
| M & F Electrical Limited | Construction | 2015 |
| M Archer Butchers Ltd | Manufacturing | 2026 |
| Maliko Plumbing & Heating Ltd | Construction | 2024 |
| Marlow Joinery Ltd | Manufacturing | 2023 |
| Massala Ibstock Limited | Hospitality | 2025 |
| Massala Takeaway Indian Limited | Hospitality | 2023 |
| Matt Marston Plumbing and Heating Limited | Construction | 2012 |
| Mcinnes Site Services Limited | Construction | 2011 |
| MDB Building Solutions Limited | Construction | 2020 |
| Media Confidential Limited | Administrative & support | 2007 |
| MG Home Finance Limited | Financial services | 2006 |
| Michaelmas House Limited | Wholesale & retail | 2016 |
| Mideco Engineering Limited | Wholesale & retail | 1982 |
| MJ Electrical Midlands Ltd | Construction | 2020 |
| Mmaluty Ltd | Construction | 2023 |
| Momentum Promotions Ltd | Arts & recreation | 2026 |
| Monax Clothing Limited | Wholesale & retail | 2024 |
| Monni B'S Limited | Professional & scientific | 2021 |
| Monni's Brow & Beauty Limited | Extraterritorial | 2023 |
| Moore & Sons Limited | Mining & quarrying | 1911 |
| Moore Finance Operations Ltd | Professional & scientific | 2025 |
| Moore Management Ltd | Information & communication | 2020 |
| MR Chen 16888 Ltd | Hospitality | 2025 |