| HB Fitness Ltd | Arts & recreation | 2023 |
| HB2021 FIC Limited | Other services | 2021 |
| HBC Partners Ltd | Professional & scientific | 2026 |
| HBG Construction Scotland Limited | Wholesale & retail | 1960 |
| HBJ LLP | | 2009 |
| Hbm-Global LP | | 2018 |
| HBT Investments Limited | Real estate | 2019 |
| HC Brew Ltd | Hospitality | 2024 |
| Hceg (FV) Limited | Professional & scientific | 2016 |
| Hceg Limited | Professional & scientific | 2003 |
| Hceg Trademarks Limited | Professional & scientific | 2018 |
| HCF Estates Limited | Real estate | 2025 |
| HCF Investments Limited | Administrative & support | 2015 |
| HCI (Scotland) Limited | Administrative & support | 1994 |
| HCI L.P. | | 2006 |
| HCL Consulting Limited | Professional & scientific | 2008 |
| HCM Management Ltd | Extraterritorial | 2011 |
| HCM Travel Limited | Administrative & support | 2024 |
| HCO Global GP LLP | | 2020 |
| HCP LR JV LP | | 2022 |
| HCS (Scotland) Limited | Professional & scientific | 2019 |
| HD Arts Productions Community Interest Company | Arts & recreation | 2013 |
| HD Hairdressing Ltd | Other services | 2023 |
| HD Logistic Management LLP | | 2024 |
| HD Official Ltd | Wholesale & retail | 2025 |
| HD2 Developments Ltd | Construction | 2022 |
| HD2 Properties Limited | Real estate | 2023 |
| HDA Futures Ltd | Extraterritorial | 2023 |
| HDL Coding Services Ltd | Information & communication | 2022 |
| HDM Schools Solutions (Holdings) Limited | Professional & scientific | 2007 |
| HDM Schools Solutions Ltd. | Construction | 2006 |
| Hdrc Carry LP | | 2016 |
| Hdrf Media Limited | Information & communication | 2026 |
| HE SHE EAT Company Limited | Hospitality | 2020 |
| Head Freehold Management Limited | Real estate | 2019 |
| Head Impact Trauma Limited | Information & communication | 2017 |
| Head International Ltd | Professional & scientific | 2020 |
| Head Sight Limited | Professional & scientific | 2013 |
| Headcrown Alliance LP | | 2013 |
| Headington SLP | | 1998 |
| Headliner Productions Ltd | Arts & recreation | 2025 |
| Headlock Capital LP | | 2014 |
| Headon Developments Limited | Construction | 2016 |
| Headon Group Limited | Other services | 2021 |
| Headon Health Ltd | Information & communication | 2019 |
| Headon Holdings Limited | Real estate | 1994 |
| Headon Holdings ST Andrews West Limited | Real estate | 2018 |
| Headon Properties Limited | Construction | 1997 |
| Headon Residential ST Andrews West Limited | Real estate | 2025 |
| Headon S1 ST Andrews West Limited | Other services | 2021 |
| Headon ST Andrews West Limited | Real estate | 2017 |
| Headway Blue Limited | Other services | 2015 |
| Headway Group Holdings LP | | 2019 |
| Headway Investment Partners II L.P. | | 2007 |
| Headway Investment Partners Ii-A L.P. | | 2009 |
| Headway Investment Partners, L.P. | | 2005 |
| Headway Quality Evolution Limited | Information & communication | 2013 |
| Headway Wellbeing Ltd | Professional & scientific | 2019 |
| Healing Hearth Supported Living Ltd | Health & social care | 2025 |
| Healing Therapy Centre Ltd | Real estate | 2019 |
| Healing With the Stars LP | | 2024 |
| Health ALL Round | Health & social care | 2011 |
| Health and Beauty Market Access LP | | 2015 |
| Health by Science Ltd CIC | Education | 2017 |
| Health Collider Ltd | Information & communication | 2025 |
| Health for YOU LP | | 2012 |
| Health in Mind | Health & social care | 1990 |
| Health Industry Holding & Co | | 2006 |
| Health Law Limited | Professional & scientific | 2015 |
| Health Products (UK) Limited | Administrative & support | 2009 |
| Health Safety Security Environment Services Limited | Administrative & support | 2015 |
| Health Works Plus Ltd | Health & social care | 2025 |
| Healthcare (ST Andrews) Limited | Construction | 2007 |
| Healthcare News Scotland Limited | Professional & scientific | 2018 |
| Healthcare Practice Hub Limited | Administrative & support | 2017 |
| Healthcare Private Equity Limited Partnership | | 2002 |
| Healthcorp Trade LP | | 2014 |
| Healthpinnacle Services Ltd | Extraterritorial | 2025 |
| Healthstart Property Ltd | Real estate | 2022 |
| Healthstart Trading Ltd | Health & social care | 2020 |
| Healthtech Group Ltd | Information & communication | 2023 |
| Healthvista Solutions Ltd | Extraterritorial | 2025 |
| Healthwear Limited | Professional & scientific | 2016 |
| Healthy Attitude Limited | Health & social care | 2023 |
| Healthy Coffee Company Ltd | Manufacturing | 2016 |
| Healthy Essentials Investments LP | | 2013 |
| Healthy Hemp Products Ltd | Manufacturing | 2013 |
| Healthy Information Limited | Professional & scientific | 2020 |
| Healthy Mojo Ltd | Manufacturing | 2019 |
| Healthy Thinking Wellness Ltd | Health & social care | 2026 |
| Healy Management LP | | 2012 |
| Healy Property Investments Limited | Real estate | 2024 |
| Heams Limited | Real estate | 2018 |
| Hean Development Group Limited | Construction | 2017 |
| Heaped Solutions LP | | 2016 |
| Hear Here Scotland Ltd | Health & social care | 2017 |
| Hearing & Wellbeing Limited | Wholesale & retail | 2018 |
| Hearing Diagnostics Limited | Information & communication | 2017 |
| Heart and Bottle Ltd | Wholesale & retail | 2024 |
| Heart of Midlothian PLC | Arts & recreation | 1905 |