| HF Properties Holding Limited | Professional & scientific | 2023 |
| HF Properties Holding LP | | 2023 |
| HG IFA Limited | Professional & scientific | 2024 |
| HHB Management Consultants Limited | Professional & scientific | 1989 |
| Higgins Refurbishment Ltd | Construction | 2020 |
| High SPY Limited | Health & social care | 2010 |
| Highbury Green Developments Ltd | Construction | 2025 |
| Highcroft Liphook MAN Co Ltd. | Households | 2007 |
| Higher Frontiers Limited | Professional & scientific | 2017 |
| Higher Ground Coffee Ltd | Hospitality | 2025 |
| Higher Purpose Club Ltd | Arts & recreation | 2025 |
| Highfield Heating Ltd | Professional & scientific | 2014 |
| Highlands (Shortheath Road Farnham) Limited | Households | 1987 |
| Highlight Farnham Ltd | Other services | 2019 |
| Highpoint Recruitment Consultants Limited | Administrative & support | 2002 |
| Highs & Hills Company Limited | Households | 2010 |
| Highwood Building Co. Ltd | Construction | 2010 |
| Hildart Limited | Real estate | 2020 |
| Hiltis Construction Limited | Construction | 2017 |
| Hiltis UK Limited | Construction | 2008 |
| Hines International Ltd | Wholesale & retail | 2011 |
| Hiopz Ltd | Information & communication | 2025 |
| Hipps Property Limited | Real estate | 2025 |
| Hirsteel Limited | Manufacturing | 1998 |
| HIT Air UK Limited | Wholesale & retail | 2011 |
| HIT NET Zero Ltd | Professional & scientific | 2021 |
| Hive Helpers CIC | Agriculture & fishing | 2021 |
| Hjamedia Ltd | Information & communication | 2025 |
| HJJ Property Investments Limited | Real estate | 2024 |
| HL Wills Limited | Professional & scientific | 2019 |
| HMC Property Management Ltd | Real estate | 2026 |
| HML Independent Medical Advice Limited | Health & social care | 2017 |
| HMS Mechanical Service Limited | Construction | 2026 |
| HOB & Aesthetics Limited | Other services | 2021 |
| Hofac Ltd | Administrative & support | 2013 |
| Hog's Back Associates Limited | Wholesale & retail | 1998 |
| Hogan & Co., (Investigations & Security) Limited | Administrative & support | 1986 |
| Hogan Investments Limited | Real estate | 2012 |
| Hogs Back Ltd | Transport & logistics | 2017 |
| Hogs Back Security Ltd | Administrative & support | 2021 |
| Hohfurren Consulting Limited | Information & communication | 2017 |
| Holcroft Automotive Consulting Limited | Administrative & support | 2017 |
| Hold That Thought Limited | Professional & scientific | 2015 |
| Holding the Cloud Ltd | Financial services | 2026 |
| Holistic Dental Centre Limited | Health & social care | 2010 |
| Holland Advisors London Ltd | Financial services | 2010 |
| Holland Hall Developments Limited | Real estate | 2014 |
| Holland Place Management Limited | Households | 2013 |
| Hollidge Investments Ltd | Real estate | 2021 |
| Hollidge Property Management LLP | | 2020 |
| Hollingsworth Growth Advisory Ltd | Professional & scientific | 2026 |
| Hollis Techs Ltd | Information & communication | 2018 |
| Holloway Media Ltd | Information & communication | 2022 |
| Holmesdale Consulting Limited | Information & communication | 2013 |
| Holmesdale TEN Limited | Households | 1990 |
| Holt Arboriculture Limited | Professional & scientific | 2024 |
| Holt Industrial Coatings Ltd | Construction | 2026 |
| Holt Pound Garage Ltd | Wholesale & retail | 2023 |
| Holte END Holdings Limited | Extraterritorial | 2021 |
| Holtwood Manor Residents Management Company Limited | Households | 2026 |
| Holybourne Homes Ltd | Real estate | 2020 |
| Holybourne Residential Ltd | Real estate | 2026 |
| Homageuk Ltd | Construction | 2022 |
| Home & Company Limited | Health & social care | 2012 |
| Home Buyer Systems Ltd. | Information & communication | 1994 |
| Home Counties Land Agency Ltd | Real estate | 2026 |
| Home Help Heroes Ltd | Other services | 2024 |
| Home of Legends Limited | Administrative & support | 2004 |
| Home Portfolio Limited | Real estate | 2013 |
| Home-Start in Waverley | Health & social care | 2007 |
| Home-Start Surrey | Other services | 2013 |
| Homebuild Builders Limited | Construction | 2018 |
| Homecert Projects Limited | Construction | 2009 |
| Homepark House RTM Company Ltd | Households | 2023 |
| Homeseal Treatments Ltd | Construction | 2025 |
| Hometogo Ltd | Real estate | 2019 |
| Hone Properties Management Limited | Real estate | 1968 |
| Honest Voip Comms Ltd | Information & communication | 2025 |
| Honey Engineering Limited | Manufacturing | 2015 |
| Honeybee Design and Build Limited | Construction | 2014 |
| Honeyrock Limited | Professional & scientific | 2020 |
| Hoo-Ha Limited | Professional & scientific | 2003 |
| Hood People Solutions Limited | Administrative & support | 2023 |
| Hoodies for Dads Ltd | Wholesale & retail | 2026 |
| Hooj D Ltd | Professional & scientific | 2026 |
| Hope Doris Andrea Ltd | Administrative & support | 2025 |
| Hope Walk Management Limited | Households | 2013 |
| Hopkiln (Farnham) Limited | Households | 1994 |
| Horizon SIX Limited | Information & communication | 2024 |
| Hornsby Investments Ltd | Financial services | 2016 |
| Horse India Ltd | Administrative & support | 2016 |
| Horti-Health-Happiness Ltd | Arts & recreation | 2021 |
| Hoskins Court (Camberley) Management Company Limited | Households | 2012 |
| Hospitality Cleaning Limited | Wholesale & retail | 2016 |
| Hospitality Management Services (the Sands) Ltd | Hospitality | 2024 |
| Hot Coals Productions Ltd | Information & communication | 2025 |
| Hot Coals Theatre Limited | Arts & recreation | 2020 |
| Hot Holdings Limited | Real estate | 2013 |
| Hotf Ltd | Professional & scientific | 2021 |
| Hothead Aerials Limited | Information & communication | 2021 |