| Tidal Productions Ltd | Professional & scientific | 2023 |
| Tidal Sails UK Ltd | Energy | 2022 |
| Tidan Ltd | Professional & scientific | 2021 |
| Tide and Vine Catering & Beverage Co. Ltd | Hospitality | 2026 |
| Tide Hearing Ltd | Wholesale & retail | 2025 |
| Tidecraft Ltd | Professional & scientific | 2024 |
| Tidings Newsagents Limited | Wholesale & retail | 2011 |
| Tidmarsh Barns Management Company Limited | Households | 2010 |
| Tidwell Pro Cleaning Ltd | Administrative & support | 2026 |
| Tidy Touch Ltd | Other services | 2013 |
| Tifecakesnmore Ltd | Hospitality | 2026 |
| Tiffey Administrators Ltd | Administrative & support | 2022 |
| Tiffey Valley Ltd | Agriculture & fishing | 2017 |
| Tiger Builders Limited | Construction | 2018 |
| Tiger EYE Consulting Limited | Information & communication | 2005 |
| Tiger FOX Power (Norfolk) Limited | Administrative & support | 1993 |
| Tiger Lily Tutoring Limited | Education | 2025 |
| Tiger Motorsport Recovery Limited | Arts & recreation | 2016 |
| Tiger Racing RC Ltd | Wholesale & retail | 2026 |
| Tiger Style Tattoo Ltd | Arts & recreation | 2021 |
| Tiger Wood Limited | Real estate | 2022 |
| Tiger Write Ltd | Professional & scientific | 2018 |
| Tiili Ltd | Real estate | 2020 |
| Tile Direct Ltd | Construction | 2020 |
| Tile Media Ltd | Information & communication | 2022 |
| Tilea Ltd | Transport & logistics | 2021 |
| Tili's Food Ltd | Hospitality | 2021 |
| Tilia (Foulsham) Limited | Agriculture & fishing | 2008 |
| Tilia Business Park Limited | Real estate | 2002 |
| Tilia Court Management Company Limited | Households | 2011 |
| Tilia JAC Limited | Real estate | 2006 |
| Tilia Properties Limited | Construction | 1965 |
| Tilia Trading Group Limited | Financial services | 2003 |
| Tillwicks Close Management Company Limited | Professional & scientific | 2007 |
| Tilly Piccalilli Limited | Manufacturing | 2016 |
| TIM Duncan Women's Healthcare Ltd | Health & social care | 2017 |
| TIM Green Executive Search Limited | Administrative & support | 2013 |
| TIM Moll Consultancy Ltd | Financial services | 2019 |
| TIM Powter-Robinson Architect Limited | Professional & scientific | 2025 |
| Tim&Jo Clothing Co. Ltd | Wholesale & retail | 2025 |
| Timber Star Limited | Wholesale & retail | 2025 |
| Timber Tanks Ltd | Construction | 2022 |
| Timberhill Norwich Nail Ltd | Other services | 2019 |
| Timbers Boarding Cattery Ltd | Other services | 2022 |
| Time Norfolk | Health & social care | 2011 |
| Time to Work Ltd | Professional & scientific | 2025 |
| Time Tree Consult Ltd | Information & communication | 2025 |
| TIME2RISE Wellbeing CIC | Education | 2025 |
| TIME4GARDENS Limited | Administrative & support | 2015 |
| Timelesstune Ltd | Information & communication | 2024 |
| Timell Ltd | Health & social care | 2014 |
| Timely Holdings Ltd | Extraterritorial | 2022 |
| Timeout Escapes Limited | Hospitality | 2022 |
| Timereel Limited | Professional & scientific | 2011 |
| Timewell Consulting Limited | Administrative & support | 2014 |
| Timewell Holdings Limited | Real estate | 2023 |
| Timewell Properties Limited | Hospitality | 1963 |
| Timothy HAY Properties Limited | Hospitality | 2005 |
| Timothy P Gibson Management Services Ltd | Professional & scientific | 2026 |
| Timsco Ltd | Administrative & support | 2011 |
| TIN Folk Ltd | Manufacturing | 2026 |
| Tinkable Stourbridge Ltd | Health & social care | 2012 |
| Tinkable Sutton Coldfield Ltd | Other services | 2015 |
| Tiny Brains Ltd | Information & communication | 2018 |
| Tiny Film Editor Limited | Information & communication | 2024 |
| Tiny Teacups Play Cafe Limited | Arts & recreation | 2017 |
| Tiny Tehya Limited | Administrative & support | 2025 |
| Tipis at Mapledurham Limited | Arts & recreation | 2026 |
| Tipple and East PUB Company Limited | Hospitality | 2016 |
| Tiprc Limited | Information & communication | 2007 |
| Tipsy Anchor Holdings Ltd | Financial services | 2019 |
| Tipsy Anchor Online Ltd | Wholesale & retail | 2020 |
| Tipsy Cheese Limited | Wholesale & retail | 2021 |
| Tipsyjar Norwich Limited | Hospitality | 2019 |
| Tirasleen Limited | Other services | 2020 |
| Tisket Limited | Information & communication | 2024 |
| Tita Marketing Ltd | Professional & scientific | 2026 |
| Titan Apex Commerce Ltd | Wholesale & retail | 2024 |
| Titan Business Services Ltd | Real estate | 2015 |
| Titan Capital Advisers Ltd | Information & communication | 2018 |
| Titan Environmental Surveys Limited | Professional & scientific | 1999 |
| Titan Grips Ltd. | Information & communication | 2005 |
| Titan Guarding & Events Ltd | Administrative & support | 2026 |
| Titan Heating and Mechanical Services Ltd | Manufacturing | 2022 |
| Titan Inc. Limited | Other services | 2019 |
| Titan Pipework & Engineering Ltd | Construction | 2025 |
| Titan Rain Ltd | Information & communication | 2016 |
| Titan Resourcing Solutions Ltd | Administrative & support | 2025 |
| Titan Technology Ltd | Wholesale & retail | 2021 |
| Titan Training (East) Ltd | Education | 2010 |
| Titash International Balti Restaurant Limited | Hospitality | 2003 |
| Tividale Foodstore Limited | Wholesale & retail | 2020 |
| Tizzleshop UK Limited | Wholesale & retail | 2025 |
| Tizzoreo Limited | Information & communication | 2019 |
| TJ & TJ Hallam Ltd | Construction | 2018 |
| TJ Chiro Ltd | Health & social care | 2025 |
| TJ Gifts Ltd | Wholesale & retail | 2025 |
| TJ Gold Ltd | Extraterritorial | 2023 |
| TJC Truck & Trailer Services Ltd | Wholesale & retail | 2023 |
| TJD Engineering Ltd | Manufacturing | 2015 |