| THE Sattva Collective CIC | Education | 2025 |
| THE School Lane Roxton Management Company Limited | Other services | 2003 |
| THE SDC EBT Limited | Professional & scientific | 2004 |
| THE Sensational Studio Ltd | Wholesale & retail | 2025 |
| THE Sewist & Co Ltd | Wholesale & retail | 2021 |
| THE SFS Manufacturing Group Limited | Manufacturing | 2009 |
| THE Shade Borough Limited | Information & communication | 2018 |
| THE Share a Smile Project CIC | Education | 2026 |
| THE Shop at Harlington Ltd | Wholesale & retail | 2023 |
| THE Shower Tray Company Ltd. | Manufacturing | 2014 |
| THE Sidhu Portfolio Ltd | Real estate | 2018 |
| THE Sidings (Buckingham) Management Company Limited | Real estate | 2016 |
| THE Skilled Youth Ltd | Education | 2026 |
| THE Skills Consortium Ltd. | Education | 2022 |
| THE Skipping Ninja Ltd | Health & social care | 2023 |
| THE Social Edit by Jade Limited | Professional & scientific | 2025 |
| THE Solid Wall Insulation Guarantee Agency | Construction | 2009 |
| THE SOS Studios Holdings Ltd | Wholesale & retail | 2025 |
| THE Space - Psychological Services Ltd | Health & social care | 2018 |
| THE Spice Tree Sharnbrook Ltd | Hospitality | 2019 |
| THE Spud Girls Limited | Hospitality | 2025 |
| THE ST Davimy Consultancy Ltd | Professional & scientific | 2025 |
| THE Stationery Boutique Limited | Wholesale & retail | 2011 |
| THE Store Bedford Ltd | Wholesale & retail | 2019 |
| THE Strong Yogini Ltd | Education | 2018 |
| THE Structural Battery Company Ltd | Manufacturing | 2022 |
| THE Stylers Sittingbourne Limited | Other services | 2015 |
| THE Swim Staff Service Ltd | Administrative & support | 2026 |
| THE Tempeh MAN Ltd | Wholesale & retail | 2021 |
| THE Thomas Christie Almshouse and Relief in Need Charity | Health & social care | 2009 |
| THE Threaded Quarter Ltd | Wholesale & retail | 2024 |
| THE Tiger Bedford Ltd | Hospitality | 2022 |
| THE Time of Your Life Ltd | Information & communication | 2002 |
| THE Transformation Group Limited | Professional & scientific | 2015 |
| THE Trap House Limited | Other services | 2018 |
| THE Trauma Recovery School Limited | Professional & scientific | 2023 |
| THE Travel Group Limited | Administrative & support | 2017 |
| THE Travel Researcher Ltd | Administrative & support | 2007 |
| THE Tree People (Bedford) Limited | Other services | 2003 |
| THE Tritax Industrial 2 Limited Partnership | | 2010 |
| THE Tritax Quorum Retail & Office Limited Partnership | | 2011 |
| THE TT Shop Limited | Wholesale & retail | 2004 |
| THE UK Grain Testing Network Limited | Agriculture & fishing | 2024 |
| THE UK Mortgage Broker Ltd | Financial services | 2008 |
| THE University of Bedfordshire Ecumenical Chaplaincy Trust | Other services | 2007 |
| THE VEL Stores Ltd | Wholesale & retail | 2025 |
| THE Video Games Store UK Ltd | Wholesale & retail | 2024 |
| THE Walls Group Ltd | Hospitality | 2025 |
| THE Wardrobe Ampthill Ltd | Wholesale & retail | 2017 |
| THE Warren Estates Management Limited | Real estate | 2023 |
| THE Way of Love | Education | 2014 |
| THE Wellness Portal Ltd | Information & communication | 2025 |
| THE Wilkinson Partnership (Milton Keynes) Limited | Real estate | 2001 |
| THE Williams Partnership Limited | Professional & scientific | 2005 |
| THE Willow Tree Distilling Company Limited | Manufacturing | 2016 |
| THE Willowmead Group Ltd | Real estate | 2019 |
| THE Willows (Flitwick) Management Company Limited | Real estate | 1988 |
| THE Wisteria Rooms Limited | Financial services | 2017 |
| THE Wood Store Barton Ltd | Manufacturing | 2020 |
| THE Working Horse Trust | Health & social care | 1988 |
| THE Workspace Consultants LLP | | 2011 |
| Thear Technology Limited | Other services | 1990 |
| Thearenauk CIC | Information & communication | 2021 |
| Theatrix Faces Ltd | Other services | 2025 |
| Thebookofpilots Ltd | Information & communication | 2025 |
| Themeanwhilecompany Ltd | Professional & scientific | 2024 |
| Themoneyman Ltd | Professional & scientific | 2023 |
| Theora Tilling Ltd | Construction | 2023 |
| There Must BE an Alternative (Themba) | Professional & scientific | 2006 |
| Thermascan Holdings Limited | Administrative & support | 2018 |
| Thesdlabel Ltd | Wholesale & retail | 2025 |
| Theswimskool Ltd | Education | 2022 |
| Thetmb Ltd | Administrative & support | 2019 |
| Thetrendystore Ltd | Wholesale & retail | 2026 |
| Theuniverse Ltd | Real estate | 2024 |
| Thind Covenience Store Ltd | Wholesale & retail | 2017 |
| Thind Holding Ltd | Administrative & support | 2017 |
| Think Bold Ltd | Professional & scientific | 2025 |
| Think Direct Ltd | Extraterritorial | 1999 |
| Think Greenergy (TES1) Limited | Energy | 2012 |
| Think Maxi Limited | Real estate | 2013 |
| Think Office Direct Limited | Other services | 2009 |
| Thinking Reading Ltd | Education | 2011 |
| Thinkoasis Ltd | Information & communication | 2026 |
| THINKTANK64 Limited | Arts & recreation | 2015 |
| Third Way Ltd | Wholesale & retail | 2024 |
| This IS Evolution Limited | Information & communication | 2024 |
| This IS Resource Ltd | Transport & logistics | 2025 |
| This Mama’S Light Ltd. | Education | 2023 |
| Thistle Property Maintenance Services Ltd | Construction | 2005 |
| Thom Laurence Ltd | Manufacturing | 2013 |
| Thomas Beazley & Sons Limited | Agriculture & fishing | 1961 |
| Thomas Brown Recruitment Limited | Administrative & support | 2018 |
| Thomas Joinery Services Limited | Manufacturing | 2026 |
| Thomas Kolodziej Limited | Wholesale & retail | 2017 |
| Thomas P. Jameson Building Ltd | Construction | 2017 |
| Thomas Taylor Community Hub CIC | Other services | 2025 |
| Thomas Whitehouse UK Ltd | Real estate | 2018 |
| Thompson Distribution Ltd | Wholesale & retail | 2026 |
| Thompson Homes Limited | Administrative & support | 2018 |