| G P West Limited | Construction | 2008 |
| G&J Hospitality and Technology Solutions Limited | Information & communication | 2025 |
| G.D.Hardy Limited | Hospitality | 1971 |
| G.G. Wilkinson Building Limited | Real estate | 1997 |
| G.H. Electrical (Lincs) Ltd | Construction | 2004 |
| G.H. Parker (North Cotes) Limited | Agriculture & fishing | 1953 |
| Galaxy Bridal Limited | Administrative & support | 2007 |
| Garden Room Studios Ltd | Construction | 2022 |
| Gary Lodge (Holdings) Limited | Transport & logistics | 2023 |
| Gary Starr Creative Limited | Arts & recreation | 2016 |
| GD Hardy Holdings Limited | Financial services | 2026 |
| Ge'Bargaindeals Ltd | Wholesale & retail | 2025 |
| Gentle Care Group Holdings Ltd | Public administration | 2025 |
| Gentle Care Group Ltd | Other services | 2021 |
| George F. Walker & Sons (Skegness) Limited | Wholesale & retail | 1972 |
| Georgian Court (Skegness) Limited | Households | 1981 |
| Georgina Properties Limited | Real estate | 1999 |
| Georgina’S Crafts Ltd | Wholesale & retail | 2026 |
| Gerardo's (Lincs) Limited | Hospitality | 2022 |
| German Tyre Warehouse Ltd | Wholesale & retail | 2012 |
| Gibraltar Road South Management Co Limited | Households | 2026 |
| Gifthub Limited | Wholesale & retail | 2022 |
| Gilmarsh Ltd | Construction | 2020 |
| GKK Logistics Limited | Transport & logistics | 2019 |
| Glen Lodge Country Park Group Limited | Financial services | 2022 |
| Glow Club Lincs Limited | Other services | 2025 |
| Goat Ground Services Ltd | Administrative & support | 2026 |
| Going-Sweety-Nuts Ltd | Manufacturing | 2024 |
| Golden Mill Takeaway Ltd | Hospitality | 2024 |
| Goldrush Leisure Group Limited | Arts & recreation | 2016 |
| Goodbuy International Ltd | Wholesale & retail | 2026 |
| Goodhand and SON Limited | Construction | 2016 |
| Graham Coupland Limited | Construction | 1978 |
| Graikos Ltd | Hospitality | 2025 |
| Grand Parade Cafe Limited | Hospitality | 2018 |
| Grange Farm Shop Limited | Hospitality | 2003 |
| Gravis Domestic Electrical Services Ltd | Construction | 2025 |
| Graydean Holdings Limited | Financial services | 2026 |
| Grays Farm Investments Ltd | Real estate | 2012 |
| Greenhalgh Johnson Ltd | Professional & scientific | 2003 |
| Greenland Square Management Co Limited | Real estate | 2022 |
| Greenshore Property Limited | Construction | 2017 |
| Gridmoor Limited | Wholesale & retail | 2025 |
| Group Together Limited | Education | 2012 |
| Grova Ltd | Wholesale & retail | 2025 |
| GY Pubs Ltd | Hospitality | 2023 |
| H J & S Harris Limited | Wholesale & retail | 2015 |
| Ha&Rs Holdings Ltd | Financial services | 2025 |
| Hagan Antiques Limited | Wholesale & retail | 2026 |
| Haigh Holdings Ltd | Financial services | 2017 |
| Haines Watts Skegness Limited | Professional & scientific | 2020 |
| Hall Leisure Limited | Extraterritorial | 1987 |
| Hallgate (Lincs) Limited | Construction | 2004 |
| Hallhome Developments Limited | Real estate | 1995 |
| Hames Chocolates Limited | Manufacturing | 2009 |
| Hang in Balance Ltd | Arts & recreation | 2025 |
| Hanmark International Limited | Wholesale & retail | 1989 |
| Hanmark Limited | Real estate | 2013 |
| Hanson Property Management Ltd | Real estate | 2014 |
| Happy Days FUN Pool Limited | Arts & recreation | 2014 |
| Hardy Taylor Holdings Limited | Financial services | 2026 |
| Hardys Animal Farm Limited | Arts & recreation | 2006 |
| Hardys Farm Group Holdco 2026 Limited | Financial services | 2026 |
| Hardys Farm Group Holdings Limited | Financial services | 2026 |
| Hardys Farm Group Limited | Professional & scientific | 2016 |
| Hardys Farm Limited | Agriculture & fishing | 2015 |
| Harlon Trading Ltd | Administrative & support | 2022 |
| Harry Property Ltd | Real estate | 2024 |
| HAS Grill Ltd | Hospitality | 2018 |
| HAS Holdings Ltd | Real estate | 2019 |
| Hats and Shades UK Limited | Wholesale & retail | 2014 |
| Haven House Barn Ltd | Hospitality | 2017 |
| Havenhouse Farm Ltd | Hospitality | 2025 |
| Hawaii Trading Ltd | Wholesale & retail | 2021 |
| Hawkins Property Rentals Ltd | Real estate | 2016 |
| Hawksmead Parks Limited | Agriculture & fishing | 2025 |
| Hbala Ltd | Administrative & support | 2025 |
| Healey's Accident Repair Group Ltd | Wholesale & retail | 2025 |
| Heath Home Care Ltd | Health & social care | 2024 |
| Hedgerow Homes Limited | Real estate | 2006 |
| Hedges Estates Limited | Real estate | 2020 |
| Hemswell House Management Company Limited | Real estate | 2017 |
| Hewes Trading Ltd | Manufacturing | 2024 |
| High Ferry Enterprises Ltd | Agriculture & fishing | 2020 |
| High Road Management Company Ltd | Real estate | 2020 |
| High Tide Bookkeeping Limited | Professional & scientific | 2026 |
| High-Tech Fire and Security Limited | Public administration | 2015 |
| Hillview Contracts (Lincolnshire) Limited | Hospitality | 2002 |
| Hillview Leisure Limited | Hospitality | 1999 |
| HK Retail Group PVT Limited | Wholesale & retail | 2026 |
| Hmla Limited | Professional & scientific | 2010 |
| Hodgkinsons Solicitors Limited | Professional & scientific | 2011 |
| Hollands Caravan Park Limited | Hospitality | 2012 |
| Holly Road Management Company Limited | Extraterritorial | 2023 |
| Holly Road Properties Limited | Real estate | 2023 |
| Homestar Ltd | Hospitality | 2017 |
| Homist Interiors Limited | Professional & scientific | 2025 |
| Hong Kong Delight Ltd | Hospitality | 2023 |
| Hooper Haulage Ltd | Transport & logistics | 2019 |
| Hooper Storage Ltd | Transport & logistics | 2023 |