| THE Resilient SME Ltd | Professional & scientific | 2026 |
| THE Restaurant at the Farm Limited | Administrative & support | 2014 |
| THE Rewired Mindset Academy Limited | Information & communication | 2026 |
| THE Rhino Tea Company Ltd | Manufacturing | 2018 |
| THE Richard III Society | Education | 2019 |
| THE ROA Group Limited | Administrative & support | 2023 |
| THE Rock Group (Estates) Ltd | Real estate | 2020 |
| THE Roofing Centre Ltd | Construction | 2015 |
| THE Roofing Company Limited | Construction | 2016 |
| THE Roost Group Limited | Real estate | 2022 |
| THE Roost Group SA Limited | Real estate | 2021 |
| THE Root Cause Health Coach Ltd | Other services | 2025 |
| THE Rose Clothing Boutique Limited | Wholesale & retail | 2025 |
| THE Roundhouse Consultancy MK Ltd | Administrative & support | 2010 |
| THE RUB BBQ Catering Ltd | Hospitality | 2019 |
| THE RUB BBQ MK Ltd | Hospitality | 2022 |
| THE Saab Centre Milton Keynes Limited | Wholesale & retail | 2012 |
| THE Saffron Elephant Ltd | Wholesale & retail | 2024 |
| THE Sahara MK Restaurant Ltd | Hospitality | 2021 |
| THE Samuel Group Ltd | Real estate | 2018 |
| THE Saville Road Management Company (Blaby) Limited | Real estate | 2019 |
| THE Sculptress Ltd | Health & social care | 2025 |
| THE Sea Shed Limited | Wholesale & retail | 2018 |
| THE Second Priory Meadow Residents Association Limited | Households | 1989 |
| THE Shadowed Self Ltd | Wholesale & retail | 2020 |
| THE Shape Studio MK Ltd | Other services | 2026 |
| THE Shed Events Limited | Hospitality | 2021 |
| THE Shed Hospitality Services (Leominster) Limited | Hospitality | 2023 |
| THE Shenley Retreat Ltd | Other services | 2003 |
| THE Sherington Green Energy Company Ltd | Extraterritorial | 2015 |
| THE Shires PUB Co Ltd | Financial services | 2025 |
| THE Showtime Group Limited | Arts & recreation | 2016 |
| THE Sidings Freehold Limited | Real estate | 2013 |
| THE Sidings Lower Stondon Limited | Extraterritorial | 2023 |
| THE Single Malt Trading (UK) Ltd | Wholesale & retail | 2023 |
| THE Singleborough Honey Company Limited | Agriculture & fishing | 2025 |
| THE Skin Investment Clinic Birmingham Limited | Health & social care | 2026 |
| THE Sky Kitchen (MK) Limited | Hospitality | 2026 |
| THE Sleep Haven Limited | Wholesale & retail | 2023 |
| THE Slow Down Collective Ltd | Wholesale & retail | 2020 |
| THE Small Faces Limited | Professional & scientific | 1990 |
| THE Snooker Gym Limited | Education | 2005 |
| THE Social Refinery Ltd | Professional & scientific | 2022 |
| THE Softweyr Company Ltd | Information & communication | 2022 |
| THE Soul Laundry Ltd. | Wholesale & retail | 2013 |
| THE Sourdough Pizza Co Limited | Hospitality | 2025 |
| THE Southhand Ltd | Wholesale & retail | 2023 |
| THE Sports Hub Ltd | Hospitality | 2025 |
| THE ST. Paul's Arts Trust (Trading) Ltd | Hospitality | 2021 |
| THE Stable Block (Whitchurch) Management Company Ltd | Households | 2022 |
| THE Stables Theatre Limited | Wholesale & retail | 2000 |
| THE Staffroom Agency Ltd | Administrative & support | 2014 |
| THE Standard Consultancy Limited | Information & communication | 2022 |
| THE Step (Milton Keynes) Limited | Professional & scientific | 2004 |
| THE Stitchery (Needlework) Limited | Manufacturing | 2018 |
| THE Stitchery Sisters Limited | Manufacturing | 2024 |
| THE Sultan Collective Ltd | Information & communication | 2025 |
| THE Supplement Toolbox Ltd | Wholesale & retail | 2025 |
| THE Sustainable Bathroom Company Ltd | Manufacturing | 2019 |
| THE Sweet Affair Ltd | Hospitality | 2025 |
| THE Tandem Club Ltd | Arts & recreation | 2017 |
| THE Tannery (Cosgrove) Management Company Limited | Professional & scientific | 2015 |
| THE TAP Corp Ltd | Financial services | 2024 |
| THE Tavistock Trust for Aphasia | Health & social care | 2009 |
| THE Teacher Trainer Ltd | Education | 2013 |
| THE Temple Talent Limited | Administrative & support | 2024 |
| THE Think Ahead Group (UK) Limited | Information & communication | 2024 |
| THE Third EYE Emporium Ltd | Wholesale & retail | 2025 |
| THE Third Priory Meadow Residents Association Limited | Households | 1989 |
| THE Three Tuns (BC) Ltd | Hospitality | 2026 |
| THE Three Tuns (Bishops Castle) Limited | Hospitality | 2025 |
| THE Thyme Collective Ltd | Hospitality | 2014 |
| THE Ticket HUT Limited | Extraterritorial | 2006 |
| THE Tiles Superstore Limited | Wholesale & retail | 2025 |
| THE Toffee Crumble Collective Ltd | Information & communication | 2023 |
| THE Toybox Charity | Professional & scientific | 2000 |
| THE Trading Beat Ltd | Other services | 2023 |
| THE Transformers Network Ltd | Other services | 2020 |
| THE Treatment LAB Ltd | Health & social care | 2015 |
| THE Trees Estate Ltd | Households | 2024 |
| THE True Wealth Partnership Ltd | Administrative & support | 2022 |
| THE TV & Film AD Company Ltd | Information & communication | 2021 |
| THE Twelve Accountancy Professional Ltd | Professional & scientific | 2017 |
| THE Two Sisters Bookshop Ltd | Wholesale & retail | 2023 |
| THE UK DEC Fest Ltd | Hospitality | 2025 |
| THE UK Examinations Board Ltd | Education | 2021 |
| THE Unlimited Child Ltd | Health & social care | 2014 |
| THE Unusual Company Limited | Hospitality | 2004 |
| THE UP and Down Journey Ltd | Wholesale & retail | 2025 |
| THE Urban Hood Ltd | Wholesale & retail | 2025 |
| THE Urban OFF Switch Ltd | Arts & recreation | 2025 |
| THE Vegan African Ltd | Hospitality | 2021 |
| THE Velvet VOW Ltd | Wholesale & retail | 2026 |
| THE Village Plaice Ashland Ltd | Hospitality | 2019 |
| THE Vine Ashby Limited | Hospitality | 2015 |
| THE Vinyl and Wood Flooring Warehouse MK Limited | Wholesale & retail | 2025 |
| THE Wacky Barber ST Albans Limited | Other services | 2021 |
| THE Wagyu Bistro Ltd | Hospitality | 2024 |
| THE Wandering Satchel Limited | Wholesale & retail | 2026 |
| THE Wasdale Collection Limited | Arts & recreation | 2014 |