| Spencer Financial Contracting Limited | Financial services | 2010 |
| Spitfire Lighting & Productions Limited | Information & communication | 2019 |
| SPL Acoustics Limited | Professional & scientific | 2002 |
| Springfield Court (Whetstone) Management Company Limited | Households | 1991 |
| ST Clements Church Hall Company Limited | Households | 1990 |
| Starlink Enterprises and Logistics Ltd | Other services | 2018 |
| Steve Wood Services (Leics) Limited | Construction | 2005 |
| Steven Hocking-Robinson Limited | Professional & scientific | 2002 |
| Steven Reid Coaching Limited | Arts & recreation | 2020 |
| Stitch and Knit LLP | | 2019 |
| Stonewater Developments Limited | Construction | 2018 |
| Stoneygate 123 Limited | Professional & scientific | 2016 |
| Strawcall Limited | Wholesale & retail | 2003 |
| Studio K London Limited | Administrative & support | 2021 |
| Sunlight Lofts (UK) Limited | Construction | 2012 |
| SZ Consultancy Services Ltd | Other services | 2018 |
| T P Keville Construction Limited | Construction | 1982 |
| T1 Developments Ltd | Real estate | 2017 |
| Tait House Limited | Households | 1989 |
| Taku Consulting LLP | | 2009 |
| Talent Connection Group Limited | Professional & scientific | 2024 |
| Taylstone Limited | Financial services | 2017 |
| Tech Brains Consulting Ltd | Administrative & support | 2019 |
| Technical Financial Planning Limited | Financial services | 2013 |
| Tels Global UK Limited | Transport & logistics | 2001 |
| Templar Retail Displays Limited | Wholesale & retail | 2025 |
| TEN Recruitment Limited | Administrative & support | 2009 |
| Tenco Property Limited | Real estate | 2024 |
| TF Distribution Ltd | Wholesale & retail | 2025 |
| THE 1489 High Road Whetstone Management Company Limited | Households | 2021 |
| THE 6IX Bakehouse Limited | Hospitality | 2023 |
| THE AGE of NO Retirement Community Interest Company | Professional & scientific | 2016 |
| THE Culture Capital Exchange Ltd | Professional & scientific | 2011 |
| THE Hideaway Beeston Nottm Limited | Hospitality | 2025 |
| THE Life Goddess Store Street Limited | Administrative & support | 2014 |
| THE Light House (Leicester) Limited | Wholesale & retail | 2003 |
| THE Limes Whetstone Limited | Real estate | 2014 |
| THE Lions Share (UK) Limited | Professional & scientific | 2009 |
| THE Matching Room Limited | Administrative & support | 2024 |
| THE Pumping Station (Cropston) Limited | Hospitality | 2022 |
| THE Pumping Station Kitchen Limited | Hospitality | 2022 |
| THE Ruth Strauss Foundation | Professional & scientific | 2019 |
| THE Tick Tock Repair Shop Ltd | Wholesale & retail | 2023 |
| THE Wealth for Life Partnership UK Limited | Financial services | 2014 |
| THE Whittle Cafe Limited | Hospitality | 2025 |
| Thomas Anthony Wealth Management Limited | Financial services | 2004 |
| Tiffen and Associates Ltd | Professional & scientific | 2012 |
| Tileyard Clothing Limited | Manufacturing | 2020 |
| Timespot Property Management Limited | Households | 1987 |
| Tissue & Cell Technologies Limited | Health & social care | 2019 |
| Topsail Transitions Limited | Professional & scientific | 2006 |
| Torque & Tomahawk Limited | Hospitality | 2026 |
| Totteridge Consultancy Limited | Professional & scientific | 2014 |
| TPF Processors Ltd | Manufacturing | 2019 |
| Trent Building Surveyors Limited | Professional & scientific | 2023 |
| TRT Utilities Ltd | Energy | 2017 |
| True North Improvement Services Limited | Professional & scientific | 2016 |
| Twenty Seven Park Ridings Limited | Households | 2007 |
| Two Visual Limited | Professional & scientific | 2013 |
| Tyresure Limited | Wholesale & retail | 2008 |
| Tyrone Mings Academy Limited | Arts & recreation | 2015 |
| UK Care Team Ltd | Health & social care | 2013 |
| V9 Academy Limited | Education | 2016 |
| V9 Media Limited | Other services | 2015 |
| Vapeliqs Ltd | Wholesale & retail | 2017 |
| VE Ventures Limited | Professional & scientific | 2024 |
| Veron Limited | Construction | 2011 |
| Virtuoso Care Ltd | Administrative & support | 2019 |
| Vista Services Limited | Real estate | 2013 |
| Vital Ojas Ltd | Wholesale & retail | 2023 |
| VOK Limited | Other services | 2009 |
| W P Smith Limited | Wholesale & retail | 2018 |
| Walfield House Limited | Administrative & support | 1985 |
| Ward Massey Limited | Financial services | 2018 |
| Warm Storm Ltd | Information & communication | 2020 |
| Wayling Properties Limited | Real estate | 2022 |
| WB North London Limited | Education | 2013 |
| WBC Design Co Ltd | Construction | 2013 |
| WE Will Find IT Limited | Information & communication | 2019 |
| Wedmore Court Management Company Limited | Households | 1986 |
| Wedmore Gardens Limited | Households | 1993 |
| Weldon Products Limited | Transport & logistics | 1984 |
| Wendy Pamela Carol Teall Ltd | Administrative & support | 2024 |
| Wesmore Services Limited | Real estate | 2000 |
| Western Furriers Limited | Construction | 1935 |
| Wetherby Developments Limited | Construction | 2014 |
| Wilkinson & Co Custom Homes Limited | Real estate | 2015 |
| Wilkinson Brothers,Limited | Manufacturing | 1890 |
| Willow Farm and RFY Limited | Other services | 2011 |
| WJG Maynard Limited | Other services | 2003 |
| Woodentots Montessori Limited | Administrative & support | 2001 |
| Woody's Boys Clothing Company Limited | Wholesale & retail | 1995 |
| Woody's Clothing Company Limited | Extraterritorial | 1997 |
| Yellowsunuk Ltd | Health & social care | 2023 |
| Yerhurst Limited | Real estate | 1968 |
| Yvette Pearson Advisory Limited | Professional & scientific | 2022 |
| Zenith Empire Limited | Construction | 2017 |
| Zigzag Projects Limited | Real estate | 2023 |
| Zipt Ltd | Professional & scientific | 2012 |