| Happi Property Group Limited | Financial services | 2006 |
| Happies Limited | Administrative & support | 2008 |
| Happiness Events Hall Ltd | Hospitality | 2020 |
| Happly Ltd | Information & communication | 2026 |
| Happtiness - the Psychology of Exercise Ltd | Extraterritorial | 2023 |
| Happy & Healthy Limited | Administrative & support | 2017 |
| Happy 2 Clean Ltd | Administrative & support | 2021 |
| Happy Alrewas Ltd | Hospitality | 2025 |
| Happy and Freedom C.I.C. | Education | 2023 |
| Happy Aura Ltd | Wholesale & retail | 2026 |
| Happy Autistic Lady Ltd | Wholesale & retail | 2023 |
| Happy Bajwa Constructions Ltd | Construction | 2021 |
| Happy Bamboo Garden Ltd | Hospitality | 2025 |
| Happy BT7 Limited | Hospitality | 2025 |
| Happy Cacti Limited | Wholesale & retail | 2023 |
| Happy Care Living Ltd | Health & social care | 2021 |
| Happy Children Care Ltd | Health & social care | 2021 |
| Happy China Ltd | Hospitality | 2023 |
| Happy Ching YEE Ltd | Hospitality | 2023 |
| Happy Contracts Ltd | Transport & logistics | 2025 |
| Happy Corporation Ltd | Financial services | 2022 |
| Happy Day Creche Limited | Arts & recreation | 2014 |
| Happy Days Automotive Ltd | Manufacturing | 2012 |
| Happy Days Nursery Limited | Education | 2002 |
| Happy Dentures Ltd | Health & social care | 2025 |
| Happy Educational Consultancy Ltd | Education | 2020 |
| Happy Family Fireworks Ltd | Wholesale & retail | 2025 |
| Happy FAR East Ltd | Hospitality | 2025 |
| Happy Feet Podiatry Ltd | Health & social care | 2011 |
| Happy Frog 2011 Ltd | Wholesale & retail | 2012 |
| Happy Gabriels Ltd | Hospitality | 2015 |
| Happy Goose Limited | Wholesale & retail | 2023 |
| Happy Gourmet SAN Ltd | Hospitality | 2025 |
| Happy Halal Ltd | Hospitality | 2025 |
| Happy Happy Together Ltd | Hospitality | 2024 |
| Happy Headspace Psychotherapies Ltd | Health & social care | 2023 |
| Happy Hearts Foster Care Limited | Health & social care | 2021 |
| Happy Hearts Residential Ltd | Health & social care | 2026 |
| Happy Helping Hands Limited | Health & social care | 2023 |
| Happy Home Easy Life Ltd | Wholesale & retail | 2020 |
| Happy Homes Property Ltd | Real estate | 2014 |
| Happy Hooves Happy Hearts CIC | Education | 2025 |
| Happy Jade House Ltd | Hospitality | 2025 |
| Happy Kids Nursery Limited | Health & social care | 2017 |
| Happy Kidz 1 Limited | Administrative & support | 2003 |
| Happy Kitchen 1 Limited | Hospitality | 2023 |
| Happy Kitchen 9 Ltd | Hospitality | 2024 |
| Happy Kitchens ENT Limited | Wholesale & retail | 2023 |
| Happy Landing Care Services Ltd. | Health & social care | 2015 |
| Happy Lemon Franchise UK Ltd | Hospitality | 2014 |
| Happy Lucky 88 Ltd | Wholesale & retail | 2024 |
| Happy Meow Company Limited | Real estate | 2022 |
| Happy Mondays Group Ltd | Real estate | 2026 |
| Happy Moon Ice-Cream Ltd | Manufacturing | 2024 |
| Happy Mulan Limited | Hospitality | 2025 |
| Happy Nails Great Barr 12 Ltd | Other services | 2025 |
| Happy Nest 168 Ltd | Hospitality | 2018 |
| Happy New Four Seasons Ltd | Hospitality | 2025 |
| Happy Orient Ltd | Hospitality | 2024 |
| Happy Oriental Kitchen Ltd | Hospitality | 2023 |
| Happy Pancakes Ltd | Manufacturing | 2015 |
| Happy Panda Express Ltd | Hospitality | 2025 |
| Happy Path Consultancy Ltd | Information & communication | 2017 |
| Happy People Care Limited | Administrative & support | 2023 |
| Happy Power Dragon Ltd | Hospitality | 2025 |
| Happy Realty Ltd | Real estate | 2022 |
| Happy Seven Birmingham Ltd | Hospitality | 2023 |
| Happy Smart Learners LLP | | 2025 |
| Happy Software Ltd | Information & communication | 2026 |
| Happy Soul Plants Ltd | Wholesale & retail | 2025 |
| Happy Southam Ltd | Hospitality | 2023 |
| Happy Soya Limited | Hospitality | 2022 |
| Happy Spot Ltd | Hospitality | 2025 |
| Happy Talkers Ltd | Health & social care | 2022 |
| Happy Tea Ltd | Hospitality | 2019 |
| Happy Times (UK) Limited | Administrative & support | 2009 |
| Happy Tots Learning Daycare Limited | Health & social care | 2025 |
| Happy Tots Learning Limited | Health & social care | 2025 |
| Happy Town 35 Ltd | Hospitality | 2021 |
| Happy Training Ltd | Administrative & support | 2024 |
| Happy Union Management Limited | Real estate | 2021 |
| Happy Valley Investments Limited | Real estate | 2016 |
| Happy Valley Lodges Ltd | Other services | 2025 |
| Happy Valley Residence Holdings Ltd | Other services | 2025 |
| Happy Villa BT42 Ltd | Hospitality | 2026 |
| Happy WOK 12 Ltd | Hospitality | 2023 |
| Happy Wong House Ltd | Hospitality | 2025 |
| Happy Zone Ltd | Real estate | 2018 |
| Happyday Wholesale Ltd | Wholesale & retail | 2017 |
| Happydolphin Ltd | Health & social care | 2019 |
| Happyglow Limited | Financial services | 2011 |
| Happylife Care Ltd | Health & social care | 2014 |
| Hapyhr Limited | Information & communication | 2026 |
| HAQ ALI Limited | Hospitality | 2025 |
| HAQ Bahu Meat and Poultry Limited | Wholesale & retail | 2020 |
| HAQ GP Limited | Health & social care | 2022 |
| HAQ Halal Shop Ltd | Wholesale & retail | 2022 |
| HAQ Installation Services Ltd. | Construction | 2018 |
| HAQ Medicare Limited | Administrative & support | 2013 |
| HAQ Teaching Limited | Education | 2023 |