| Homeylet Ltd | Hospitality | 2023 |
| Homies Pizza Ltd | Hospitality | 2022 |
| Homilo Ltd | Wholesale & retail | 2025 |
| Homo Deus Trading LP | | 2021 |
| Hone Pilates Ltd | Arts & recreation | 2017 |
| Honest Conversations Limited | Administrative & support | 2021 |
| Honest Sales Ltd | Wholesale & retail | 2021 |
| Honest Technology L.P. | | 2012 |
| Honey & Corals Limited | Agriculture & fishing | 2025 |
| Honey Club & Events Ltd | Administrative & support | 2025 |
| Honey Hill 29 LP | | 2013 |
| Honeyboom LLP | | 2017 |
| Honeycomb & Co Cafe's Ltd | Hospitality | 2017 |
| Honeycomb & Co Events Ltd | Hospitality | 2017 |
| Honeycomb Housing Limited | Real estate | 2020 |
| Honeydew Edinburgh Lettings Ltd | Real estate | 2025 |
| Honeymoon Investments Limited | Real estate | 2018 |
| Honeytech Ltd | Information & communication | 2023 |
| Hong Kong City Holdings Limited | Real estate | 2015 |
| Hong Yang Edinburgh Ltd | Hospitality | 2020 |
| Hong Yuan Edinburgh Ltd | Hospitality | 2018 |
| Hongkong Zheng Limited | Hospitality | 2024 |
| Hongnian Lettings Limited | Real estate | 2024 |
| Hongyi Property Ltd | Real estate | 2024 |
| Honor Consultants LP | | 2002 |
| Hood Harrison LLP | | 2010 |
| Hood Magazine Digital Ltd | Information & communication | 2024 |
| Hoodlums Barbershop Limited | Other services | 2023 |
| Hoohah Limited | Information & communication | 2012 |
| Hookson Limited | Other services | 2001 |
| Hoolie Software Ltd | Information & communication | 2024 |
| Hooller Mzone Limited | Wholesale & retail | 2026 |
| Hoonoh Ltd | Information & communication | 2022 |
| Hoorainglobal Ltd | Wholesale & retail | 2025 |
| Hoose Properties Ltd | Real estate | 2024 |
| Hootenannies Ltd | Arts & recreation | 2022 |
| Hoots Sauce Co Ltd | Manufacturing | 2021 |
| HOP Software Limited | Information & communication | 2016 |
| Hop-Fast LP | | 2015 |
| Hopa Coffee Ltd | Hospitality | 2025 |
| Hope & Sons Demolition Contractors Ltd | Construction | 2017 |
| Hope 4RA Limited | Hospitality | 2024 |
| Hope and Honor Ltd | Arts & recreation | 2021 |
| Hope City Church Edinburgh | Other services | 2018 |
| Hope Medical Communications Ltd | Health & social care | 2026 |
| Hope Sixteen (Properties) Limited | Professional & scientific | 1988 |
| Hope Sixteen (Trustees) Limited | Professional & scientific | 1971 |
| Hope SLP | | 1997 |
| Hope Trading 01 Ltd | Hospitality | 2021 |
| Hopefield Property Co Ltd | Real estate | 2021 |
| Hopeful Healthcare Ltd | Health & social care | 2024 |
| Hopeston Import LP | | 2012 |
| Hopetoun Homes Ltd | Real estate | 2026 |
| Hopetoun Renewables Limited | Energy | 2010 |
| Hopetoun Village Owners Ltd | Households | 2015 |
| Hopgard Trade LP | | 2014 |
| Hopkinson Cameron Learning Ltd | Education | 2023 |
| Hopler Wood Co Ltd | Manufacturing | 2021 |
| Hopper's Caledonia Ltd | Real estate | 2019 |
| Hopscotch Children's Charity | Arts & recreation | 1998 |
| Hopscotch Industries Limited | Information & communication | 2008 |
| Hopwood Invest LP | | 2013 |
| Horae Weather Solutions Ltd | Professional & scientific | 2018 |
| Horai Candles Ltd | Manufacturing | 2025 |
| Horchheim Ltd | Professional & scientific | 2020 |
| Horcon Projects Limited | Professional & scientific | 2011 |
| Hordeum Botanical Studio Ltd | Wholesale & retail | 2022 |
| Horisk Leslie Development Ltd | Information & communication | 2011 |
| Horison Group Ltd | Wholesale & retail | 2022 |
| Horizon (Glasgow) Limited | Professional & scientific | 1998 |
| Horizon (GP) Limited | Professional & scientific | 2014 |
| Horizon Access Europe Ltd | Professional & scientific | 2022 |
| Horizon Capital (Additional Co-Investment) LP | | 2015 |
| Horizon Capital (Cathedral CIP) GP LLP | | 2023 |
| Horizon Capital (CIP2) GP LLP | | 2021 |
| Horizon Capital (CIP3) GP LLP | | 2023 |
| Horizon Capital 2000 Limited | Financial services | 1993 |
| Horizon Capital 2013 CIP Limited | Financial services | 2012 |
| Horizon Capital 2013 CIP Limited Partnership | | 2012 |
| Horizon Capital 2013 General Partner Limited | Financial services | 2012 |
| Horizon Capital 2013 GP Limited Partnership | | 2012 |
| Horizon Capital 2018 CIP Limited Partnership | | 2017 |
| Horizon Capital 2018 Limited Partnership | | 2018 |
| Horizon Capital 2018 SPV Limited Partnership | | 2021 |
| Horizon Capital 2019 Syndication Carry LP | | 2019 |
| Horizon Capital Cathedral CIP Limited Partnership | | 2023 |
| Horizon Capital II CIP Limited Partnership | | 2021 |
| Horizon Capital III CIP Limited Partnership | | 2023 |
| Horizon Cremation (Cannock) Limited | Other services | 2018 |
| Horizon Cremation (East Renfrewshire) Limited | Other services | 2018 |
| Horizon Elite LP | | 2016 |
| Horizon Global Investments L.P. | | 2014 |
| Horizon Holding Business LP | | 2012 |
| Horizon Intertrade L.P. | | 2009 |
| Horizon Long Lease Housing L.P. | | 2014 |
| Horizon Motor Centre Ltd | Wholesale & retail | 2026 |
| Horizon Options LP | | 2016 |
| Horizon Organisation L.P. | | 2010 |
| Horizon Play Ltd | Information & communication | 2026 |
| Horizon Professional Advisory Ltd | Professional & scientific | 2026 |