| Highpro Properties Limited | Real estate | 2022 |
| HII Enterprises Ltd | Households | 2023 |
| Hijama Therapy Yorkshire Ltd | Health & social care | 2024 |
| Hillcrest Court Property Management Company Limited | Households | 2023 |
| Hims Investments Ltd | Financial services | 2019 |
| Hirlen Ltd | Wholesale & retail | 2025 |
| HJ First Step Care Limited | Health & social care | 2025 |
| HJ Technology Limited | Information & communication | 2022 |
| HKL Thornton Ltd | Information & communication | 2025 |
| Hkmk Properties Ltd | Households | 2025 |
| Hksphere (UK) Ltd | Wholesale & retail | 2025 |
| HL Motor Group Limited | Wholesale & retail | 2019 |
| HM Delivery Services Limited | Transport & logistics | 2020 |
| HM Motor Sourcing Ltd | Wholesale & retail | 2023 |
| HMS Auto Group Limited | Wholesale & retail | 2023 |
| Hnzd Properties Ltd | Households | 2022 |
| Holderness Windows Ltd | Construction | 2022 |
| Holiday Tour & Travel Ltd | Administrative & support | 2025 |
| Holliday Fielding Hocking Limited | Manufacturing | 2007 |
| Holz Panels Ltd | Manufacturing | 2017 |
| Home Design (Yorkshire) Ltd | Manufacturing | 2019 |
| Home Nest Property Solutions Ltd | Real estate | 2024 |
| Home Outlet Deals Limited | Manufacturing | 2019 |
| Home Revival Solutions Ltd | Real estate | 2025 |
| Home Shopping Centre Ltd | Wholesale & retail | 2025 |
| Homeitemsstore Ltd | Wholesale & retail | 2026 |
| Homely Retreats UK Ltd | Real estate | 2026 |
| Homeology HF Ltd | Wholesale & retail | 2023 |
| Homesprung Limited | Real estate | 2020 |
| Homfy Ltd | Wholesale & retail | 2025 |
| Honeysuckle Childcare Ltd | Administrative & support | 2005 |
| Hoorain Designer Wear Ltd | Wholesale & retail | 2020 |
| Horizon Executives Ltd | Wholesale & retail | 2013 |
| Horizon Print & Embroidery Ltd | Professional & scientific | 2011 |
| Hotspot Car Valeting Centre Ltd | Administrative & support | 2025 |
| Houd's Group Ltd | Wholesale & retail | 2023 |
| House of Dolce Aesthetics Ltd | Other services | 2023 |
| House of Fragrances Ltd | Wholesale & retail | 2012 |
| House of Orsini Ltd | Wholesale & retail | 2020 |
| Housing Research Library Limited | Other services | 2025 |
| HP Commerce Limited | Wholesale & retail | 2025 |
| HP EYE Care Limited | Wholesale & retail | 2023 |
| HP Transportation's Ltd | Transport & logistics | 2026 |
| HQ Branch Ltd | Financial services | 2018 |
| HQ Studio Limited | Administrative & support | 2023 |
| HR Courier Services Ltd | Transport & logistics | 2021 |
| HR Service Parts Ltd | Wholesale & retail | 2024 |
| HS Autos Dewsbury Ltd | Wholesale & retail | 2025 |
| HS Group 2000 Limited | Financial services | 2015 |
| HSA Manufacturing Ltd | Manufacturing | 2008 |
| HSN Drive Limited | Transport & logistics | 2026 |
| Hub Alhaya Wholesale Limited | Wholesale & retail | 2023 |
| Huba Catering Ltd | Hospitality | 2025 |
| HUD Consultants Limited | Professional & scientific | 2021 |
| Huddersfield Homes Limited | Real estate | 2020 |
| Hudina Transport Ltd | Transport & logistics | 2025 |
| Hugh Beds Ltd | Wholesale & retail | 2021 |
| Hukhan Ltd | Health & social care | 2025 |
| Huma Consulting Ltd | Wholesale & retail | 2023 |
| Humberside Blocks (2012) Limited | Manufacturing | 2012 |
| Hungry Buddy Limited | Wholesale & retail | 2017 |
| Huntley Beds Limited | Wholesale & retail | 2021 |
| HV Group Ltd | Wholesale & retail | 2025 |
| Hybrid Hire Dewsbury Ltd | Administrative & support | 2025 |
| Hyde Park Wood Ltd | Wholesale & retail | 2026 |
| Hyder Beds Yorkshire Limited | Manufacturing | 2019 |
| Hyder Furnishings Ltd | Wholesale & retail | 2022 |
| Hyders Beds Ltd | Manufacturing | 2024 |
| I & S Investment Ltd | Construction | 2019 |
| I & S Windows Limited | Construction | 2022 |
| I M Autoline Limited | Wholesale & retail | 2020 |
| I Nisar Limited | Wholesale & retail | 2025 |
| I Valli (UK) Ltd | Transport & logistics | 2018 |
| I&C Management Ltd | Real estate | 2023 |
| I-Kraft Joiners Limited | Extraterritorial | 2023 |
| I.C.S. (Northern) Holdings Limited | Financial services | 2021 |
| I.C.S. (Northern) Limited | Wholesale & retail | 1986 |
| I.G.P. Plumbing and Heating Limited | Construction | 2016 |
| I.S. Oral Healthcare Ltd | Health & social care | 2025 |
| I.S. Trading (Yorkshire) Ltd | Wholesale & retail | 2018 |
| IA DIY Contracts Ltd | Other services | 2025 |
| IA Medic Ltd | Health & social care | 2021 |
| IAS Health Limited | Health & social care | 2015 |
| IAS Oasis Ltd | Hospitality | 2017 |
| IBA Consultants Limited | Financial services | 2018 |
| Ibex Sport Ltd | Manufacturing | 2017 |
| IC Driveways Ltd | Administrative & support | 2025 |
| Icare Trading Yorkshire Ltd | Wholesale & retail | 2020 |
| Ice Green Ltd | Real estate | 2025 |
| Idrive Exec Limited | Administrative & support | 2025 |
| Idrive Prestige Limited | Extraterritorial | 2007 |
| Ifahm's Ltd | Wholesale & retail | 2021 |
| IGH Group Ltd | Water & waste | 2026 |
| Ignition Go Solutions Limited | Wholesale & retail | 2017 |
| IHA Investments Ltd | Real estate | 2023 |
| Iiily Investments Limited | Real estate | 2025 |
| IJE Vehicle Installations Limited | Wholesale & retail | 2020 |
| IK Comfy Beds Ltd | Manufacturing | 2023 |
| IK Rentals Ltd | Real estate | 2018 |
| IM Finally Free Car Company Ltd | Wholesale & retail | 2025 |