| TGL Holdco Limited | Financial services | 2013 |
| That Mattered Limited | Arts & recreation | 2022 |
| THE Bell Hotel Burgh LE Marsh Ltd | Hospitality | 2025 |
| THE Bespoke Joinery and Construction Company Limited | Construction | 2018 |
| THE Black BAT Box Ltd | Wholesale & retail | 2024 |
| THE Bodyshop (Skegness) Limited | Wholesale & retail | 1997 |
| THE Candy Cove Ltd | Wholesale & retail | 2019 |
| THE Candy Shack Ltd | Wholesale & retail | 2024 |
| THE Caravan Agents Ltd | Wholesale & retail | 2022 |
| THE Caravan Decking Company Limited | Construction | 2011 |
| THE Cherry Tree, Ingoldmells Ltd | Hospitality | 2024 |
| THE Chuckling Cheese Company Limited | Wholesale & retail | 2015 |
| THE Circus (Block a) Management Company Limited | Real estate | 2012 |
| THE Circus (Block D) Management Company Limited | Construction | 2014 |
| THE Crawford Hotel Limited | Hospitality | 2011 |
| THE Dart DEN Ltd | Wholesale & retail | 2025 |
| THE Drumstick Diner Ltd | Hospitality | 2025 |
| THE Ellis Community Sports Club Limited | Arts & recreation | 2015 |
| THE Elms Farming Limited | Extraterritorial | 2012 |
| THE Empire Heritage Hospitality Ltd | Hospitality | 2025 |
| THE Empire Heritage Hotel Skegness Limited | Hospitality | 2026 |
| THE Family HUT Ltd | Hospitality | 2019 |
| THE Florist Limited | Wholesale & retail | 2016 |
| THE Fridge Fellas Limited | Transport & logistics | 2025 |
| THE Garment House Ltd | Wholesale & retail | 2025 |
| THE Guardian Press (Boston) Limited | Manufacturing | 1949 |
| THE Hideout Cafe (Skegness) Ltd | Hospitality | 2026 |
| THE Household Handyman Service Limited | Construction | 2016 |
| THE Island Armoury Ltd | Wholesale & retail | 2025 |
| THE Knot Group & Co. Ltd | Wholesale & retail | 2025 |
| THE Kunfayakon Ltd | Wholesale & retail | 2025 |
| THE Leisure Company (UK) Ltd | Wholesale & retail | 2007 |
| THE Melton Vape Shack Limited | Extraterritorial | 2019 |
| THE Moss MAN Limited | Administrative & support | 2016 |
| THE Northdale Hotel Ltd | Hospitality | 2022 |
| THE Perky Pepper Ltd | Hospitality | 2026 |
| THE Sandancer Limited | Hospitality | 2023 |
| THE Singlecote Hotel Ltd | Hospitality | 2023 |
| THE Style Bloom Ltd | Wholesale & retail | 2025 |
| THE Teeth Fairies Ltd | Health & social care | 2024 |
| THE Tipsy COW Bar & Grill (Lumley) Ltd | Hospitality | 2024 |
| THE Tipsy COW Bar and Grill Ltd | Hospitality | 2020 |
| THE Village Church Farm | Arts & recreation | 2011 |
| THE Vine Hotel (Skegness) Limited | Hospitality | 2000 |
| Thehall@Skegness Ltd | Other services | 2025 |
| Thelittlehealthbar Ltd | Wholesale & retail | 2025 |
| Themedicalskincompany Ltd | Health & social care | 2026 |
| Thorngate Limited | Real estate | 2004 |
| Thoughtfully Outdoors Ltd | Hospitality | 2019 |
| Thurston Properties Lincolnshire Ltd | Real estate | 2025 |
| TJB Ltd | Information & communication | 2024 |
| TLS Publishing Ltd | Information & communication | 2021 |
| TMM Franchising Limited | Administrative & support | 2025 |
| TNT Community Fitness Ltd | Arts & recreation | 2024 |
| Tofthouse Limited | Other services | 2010 |
| Tomlinson's Leisure Park Limited | Hospitality | 2003 |
| Tony Berridge BMS Ltd | Professional & scientific | 2021 |
| Torque Moto Ltd | Professional & scientific | 2026 |
| Towncentral Residents Management Limited | Households | 1988 |
| Toynton Property Services Ltd | Real estate | 2024 |
| Tramco Cambridge Limited | Financial services | 2013 |
| Tramco Residential Limited | Financial services | 2013 |
| Trilogy Transport Ltd | Transport & logistics | 2023 |
| Trip Tock Limited | Professional & scientific | 2025 |
| TRJ Electric & PV Solar Ltd | Construction | 2022 |
| Truckmasters Hire Limited | Administrative & support | 1997 |
| Truckmasters Solutions Ltd | Other services | 2011 |
| Trunch Lane Chippy Limited | Hospitality | 2025 |
| Tuktuktaxis Ltd | Transport & logistics | 2020 |
| Turas Mara Limited | Construction | 2024 |
| TV Distribution Services Limited | Construction | 2006 |
| Tyre Demon Ltd | Wholesale & retail | 2020 |
| UK Klan Limited | Professional & scientific | 2019 |
| UK Leisure Breaks Ltd | Hospitality | 2025 |
| UK Shaving Time Ltd | Wholesale & retail | 2024 |
| UK Static Caravans Ltd | Other services | 2023 |
| Ukpass Ltd | Administrative & support | 2025 |
| Unique Developments Contractors Ltd | Construction | 2015 |
| Urban Edge Property Care Ltd | Construction | 2025 |
| Vac-Con Ltd | Manufacturing | 2020 |
| Valence Electrical Services Ltd | Professional & scientific | 2016 |
| Varietcup CIC | Wholesale & retail | 2025 |
| Vernon Equestrian LLP | | 2020 |
| Vertigo Construction Group Ltd | Construction | 2016 |
| Vesta Upholstery Company Limited | Arts & recreation | 1982 |
| Viber Ceilings Ltd | Construction | 2019 |
| Vickers Building & Interiors Ltd | Construction | 2015 |
| Vickers Decorators Limited | Construction | 2011 |
| Viking Floors Ltd | Construction | 2025 |
| VS Enterprise Skegness Ltd | Wholesale & retail | 2017 |
| W.B. Lamyman | Agriculture & fishing | 1955 |
| Wa'Shum and DRY Limited | Other services | 2003 |
| WAF Leisure Lincs Ltd | Construction | 2019 |
| Wags World of Angling Limited | Wholesale & retail | 2015 |
| Wainfleet 20 Limited | Professional & scientific | 2023 |
| Walsh's Holiday Park Limited | Hospitality | 2020 |
| Walton's Facilities Management Ltd | Administrative & support | 2019 |
| Waraf Ltd | Health & social care | 2019 |
| WE ARE Static Buyers Limited | Wholesale & retail | 2024 |
| Webb & Sons Holdings Ltd | Financial services | 2024 |