| Stack-In-A-Box Ltd | Information & communication | 2021 |
| Stage Force Ltd | Professional & scientific | 2012 |
| Stainless Services (UK) Ltd. | Manufacturing | 2005 |
| Starfury Networks Ltd | Information & communication | 2023 |
| Steel Tree Structures Limited | Arts & recreation | 2015 |
| Steve Bidmead Limited | Construction | 2010 |
| Steve Williams Building Services Ltd | Construction | 2020 |
| Steven Bower Limited | Professional & scientific | 2012 |
| STJ Consultancy Solutions Ltd | Professional & scientific | 2021 |
| Stock Take UK (West) Ltd | Administrative & support | 2012 |
| Stone Rock Foodies Ltd | Other services | 2012 |
| Stonehouse Flooring Limited | Wholesale & retail | 2025 |
| Strategic Project Control Ltd | Administrative & support | 2022 |
| Structural Metal Roof Decks Limited | Construction | 2019 |
| Structural Metal Roofing Limited | Construction | 2019 |
| Stuart House Properties Ltd | Real estate | 2020 |
| Studio South West Ltd | Information & communication | 2021 |
| Studwelders Composite Floor Decks Ltd | Construction | 2009 |
| Studwelders Holdings Ltd | Construction | 2021 |
| Sturdy Design Ltd | Information & communication | 2025 |
| Sunnybank Farm Agricultural Ltd | Agriculture & fishing | 2020 |
| Sunshine Lighting Control Ltd | Administrative & support | 2021 |
| Sunshine Specialist Cleaning Ltd | Administrative & support | 2010 |
| Super FWD Ltd | Manufacturing | 2011 |
| Supplyflow Limited | Wholesale & retail | 2025 |
| Supremelogic Limited | Households | 1997 |
| Sure Connect Ltd | Professional & scientific | 2019 |
| Suziemuircleaningservices Limited | Administrative & support | 2024 |
| Swallet Management Solutions Limited | Professional & scientific | 2004 |
| SWC 2013 Ltd | Administrative & support | 2013 |
| Swish Socials Ltd | Professional & scientific | 2025 |
| SWL Investments Ltd | Professional & scientific | 2011 |
| Symek (UK) Ltd | Construction | 2024 |
| Synchronised Admin Solutions Limited | Information & communication | 2014 |
| Synergy Race Engineering Limited | Professional & scientific | 2023 |
| Systemic Exchange Ltd | Professional & scientific | 2025 |
| T Baines Electrical Services Ltd | Construction | 2015 |
| T Green Enterprises Ltd | Hospitality | 2026 |
| T K Property Enterprises Ltd | Real estate | 2025 |
| T W Greenall Ltd | Professional & scientific | 2019 |
| Tai-Bach Limited | Real estate | 2002 |
| Take to the Oars Ltd | Information & communication | 2023 |
| Talanos Cybersecurity Holdings Limited | Information & communication | 2024 |
| Talanos Cybersecurity Limited | Information & communication | 2023 |
| Talent Media Entertainment Ltd | Information & communication | 2025 |
| Talk About Health CIC | Education | 2021 |
| Tankerspares Ltd | Manufacturing | 2012 |
| Tankwise Ltd | Manufacturing | 2015 |
| Tapp Plumbing and Heating Limited | Construction | 2023 |
| Technology Plus (Solutions) Ltd | Information & communication | 2021 |
| Tectrow Ltd | Information & communication | 2011 |
| Tethys Delta Limited | Administrative & support | 2022 |
| Tethys Epsilon Limited | Administrative & support | 2022 |
| THB Inspection Ltd | Professional & scientific | 2014 |
| THE Art of Sustainability Limited | Education | 2015 |
| THE Banana Leaf Ltd | Hospitality | 2025 |
| THE Berkeley Chepstow Ltd | Real estate | 2024 |
| THE Boat Inn (Chepstow) Limited | Hospitality | 2019 |
| THE Boat Penallt Ltd | Real estate | 2019 |
| THE Bolted Frame Company Ltd | Construction | 2014 |
| THE Brass Academy Ltd | Education | 2011 |
| THE Bristol Shakespeare Festival CIC | Arts & recreation | 2012 |
| THE Bucket Manufacturing Company Limited | Manufacturing | 2003 |
| THE Clouds Network Ltd | Administrative & support | 2012 |
| THE Cool Club (Chepstow) Limited | Education | 2015 |
| THE Cwtch B&B (Chepstow) Ltd | Hospitality | 2017 |
| THE DAD Vibes Ltd | Education | 2021 |
| THE DEN Hereford Ltd | Hospitality | 2018 |
| THE Dobney Corporation Limited | Information & communication | 2001 |
| THE Durran PUB Co Ltd | Hospitality | 2008 |
| THE Emotional Intelligence Company Limited | Professional & scientific | 2001 |
| THE Fitness Hub (South West) Limited | Arts & recreation | 2011 |
| THE Flooring Collective Limited | Professional & scientific | 2023 |
| THE Fungi Folks Ltd | Agriculture & fishing | 2022 |
| THE Furniture and Fabric Store Limited | Wholesale & retail | 2012 |
| THE George Hotel Chepstow Ltd | Hospitality | 2025 |
| THE George Tintern Ltd | Hospitality | 2018 |
| THE Hearing Clinic Group Limited | Health & social care | 2022 |
| THE Hub Ice Cream Limited | Wholesale & retail | 2012 |
| THE Huntsman Hotel (Chepstow) Limited | Hospitality | 2012 |
| THE Invitations Were Limited | Real estate | 2026 |
| THE Landbank Partnership Ltd | Extraterritorial | 2010 |
| THE Lower WYE Valley Building Preservation Trust | Arts & recreation | 2014 |
| THE Luxus Group Ltd | Real estate | 2018 |
| THE Oakgrove Foundation | Health & social care | 2015 |
| THE Parva Workshop Ltd | Professional & scientific | 2023 |
| THE Pet Butler Ltd | Agriculture & fishing | 2024 |
| THE Real KK Ltd | Information & communication | 2026 |
| THE Real Wolf Hall Ltd | Information & communication | 2026 |
| THE Seasonist Fragrance Ltd | Wholesale & retail | 2025 |
| THE Solder Connection Limited | Wholesale & retail | 2008 |
| THE Surrey Centre Limited | Health & social care | 2010 |
| THE Tape Dispenser Limited | Professional & scientific | 2024 |
| THE Tree Surgeons Ltd | Administrative & support | 2008 |
| THE Two Brewers Ltd | Hospitality | 2019 |
| THE Wellbeing Centre Ltd | Health & social care | 2012 |
| THE Wick Sanctuary Ltd | Manufacturing | 2024 |
| THE Works Doctor Limited | Health & social care | 2019 |
| Thermotech Upvc Products Limited | Construction | 2005 |
| Think Upcycle C.I.C. | Water & waste | 2025 |