| H&N Estate&Investments Ltd | Financial services | 2023 |
| H&N Financial Services Ltd | Financial services | 2025 |
| H&N Halal Butchers Ltd | Wholesale & retail | 2025 |
| H&O Oakspire Group Ltd | Wholesale & retail | 2025 |
| H&P Homes Ltd | Real estate | 2024 |
| H&R Logistics Ltd | Transport & logistics | 2024 |
| H&R Property Solutions Limited | Real estate | 2021 |
| H&S Family Investment Company Limited | Financial services | 2025 |
| H&S Group Security Services Ltd | Administrative & support | 2024 |
| H&S Halal Meat Ltd | Wholesale & retail | 2024 |
| H&S Invest Ltd | Real estate | 2025 |
| H&S Kitchens and Bedrooms Ltd | Manufacturing | 2016 |
| H&S Medical Limited | Health & social care | 2011 |
| H&S Retailers Ltd | Wholesale & retail | 2025 |
| H&S-Mart Ltd | Wholesale & retail | 2026 |
| H&Sc Support Services Ltd | Education | 2020 |
| H&T Green Ltd | Wholesale & retail | 2023 |
| H&T Property Holdings Ltd | Real estate | 2024 |
| H&T Services Limited | Administrative & support | 2025 |
| H&W Healthcare Ltd | Wholesale & retail | 2025 |
| H&W Restaurants Limited | Hospitality | 2016 |
| H&Y Invest Limited | Real estate | 2024 |
| H&Z Autos Ltd | Wholesale & retail | 2024 |
| H&Z Couriers Ltd | Transport & logistics | 2022 |
| H-J Wealth Planning Limited | Financial services | 2011 |
| H. & F. Parkes Limited | Households | 1960 |
| H. & K. (Industrial Services) Limited | Manufacturing | 1975 |
| H. Financial Solutions Ltd | Professional & scientific | 2024 |
| H. Property Solutions Ltd | Real estate | 2025 |
| H. Recruitment Limited | Administrative & support | 2025 |
| H. Towell Ltd | Extraterritorial | 2005 |
| H. Y. Property Management Limited | Administrative & support | 2015 |
| H.A (Midlands) Motor Company Ltd | Wholesale & retail | 2016 |
| H.A Enterprises Ltd | Information & communication | 2019 |
| H.A Properties and Investments Group Limited | Real estate | 2025 |
| H.A Tyres Ltd | Wholesale & retail | 2025 |
| H.A. Core Ltd | Construction | 2026 |
| H.A. Transportation Ltd | Transport & logistics | 2026 |
| H.A.C Compressed Air Limited | Wholesale & retail | 2020 |
| H.A.C. Pipeline Supplies Limited | Wholesale & retail | 1985 |
| H.A.D Hardware Co Ltd | Wholesale & retail | 2024 |
| H.A.D Investment Group Ltd | Real estate | 2026 |
| H.A.D. Kitchen' Bedroom & Shopfittings Ltd | Administrative & support | 2016 |
| H.A.F.S.Retail Ltd | Wholesale & retail | 2017 |
| H.A.N.R.I Ltd | Real estate | 2019 |
| H.Abdulle Ltd | Health & social care | 2021 |
| H.An.G Recruitment Ltd | Administrative & support | 2023 |
| H.B Work Limited | Health & social care | 2025 |
| H.B. Perry (Holdings) Limited | Financial services | 2024 |
| H.B. Perry Limited | Administrative & support | 1953 |
| H.B.Z Germany Limited | Administrative & support | 2004 |
| H.C. Ceilings and DRY Linings Ltd | Construction | 2002 |
| H.C. Habby Limited | Wholesale & retail | 2008 |
| H.D. Marketing Limited | Wholesale & retail | 2001 |
| H.G.A Brothers Ltd | Professional & scientific | 2024 |
| H.G.O.C. Ltd | Real estate | 2018 |
| H.Hassan Deliveries Ltd | Transport & logistics | 2025 |
| H.Hipkiss and Company,Limited | Manufacturing | 1901 |
| H.J.I. Engineering Ltd | Manufacturing | 2014 |
| H.J.Welding & Fabrication Ltd | Construction | 2015 |
| H.L Surgery Limited | Health & social care | 2008 |
| H.L.F. Logistics Ltd | Administrative & support | 2015 |
| H.M. Fashion Limited | Manufacturing | 1997 |
| H.M.Lowe & SON Limited | Wholesale & retail | 1952 |
| H.Mo Motors Ltd | Wholesale & retail | 2020 |
| H.Nazari Logistics 2502 Ltd | Transport & logistics | 2025 |
| H.Orton & Sons,Limited | Transport & logistics | 1917 |
| H.P.P. (U.K.) Limited | Manufacturing | 1982 |
| H.R.A Solutions Ltd | Information & communication | 2013 |
| H.Richards & Sons Limited | Water & waste | 1955 |
| H.S. Ibrahim Ltd | Real estate | 2019 |
| H.S. Support Services Ltd | Administrative & support | 2026 |
| H.S.C Renovations Ltd | Construction | 2023 |
| H.S.James Electrical, Construction & Rail Contractors Ltd | Construction | 2020 |
| H.T. Brigham & Company Limited | Manufacturing | 1958 |
| H.T.A Meats Limited | Wholesale & retail | 2021 |
| H.U.M.A.N. (Help Unify Mankind and Nations) CIC | Education | 2020 |
| H.U.R.Z. Limited | Financial services | 2018 |
| H.U.Y.S Homes Ltd | Health & social care | 2024 |
| H.V.A.C. Services (2020) Ltd | Administrative & support | 2018 |
| H.W. Taroni (Metals) Limited | Wholesale & retail | 1961 |
| H.W. Wyld & Co. Limited | Manufacturing | 1973 |
| H1 Cleaning Ltd | Professional & scientific | 2022 |
| H1 Housing Ltd | Hospitality | 2025 |
| H2 Beauty Co Ltd | Other services | 2025 |
| H2 Customs Ltd | Wholesale & retail | 2022 |
| H2 Event Services Ltd | Other services | 2020 |
| H2 Marketing Ltd | Professional & scientific | 2023 |
| H2 Real Estate Ltd | Real estate | 2024 |
| H20 Plumbing and Trade Bathroom's Ltd | Wholesale & retail | 2010 |
| H20HSU Designs Limited | Professional & scientific | 2010 |
| H2H Homes Ltd | Real estate | 2025 |
| H2H Housing Ltd | Hospitality | 2025 |
| H2O Environmental Services Limited | Construction | 2003 |
| H2O Market Ltd | Wholesale & retail | 2024 |
| H2O Projects Ltd | Professional & scientific | 2025 |
| H2O Valet Parking Services Ltd | Administrative & support | 2022 |
| H2O Vape Limited | Wholesale & retail | 2021 |
| H2R Services Ltd | Administrative & support | 2026 |
| H2T Investment Ltd | Real estate | 2025 |