| Swyft Deliveries UK Ltd | Wholesale & retail | 2022 |
| Sycamore Ashton Limited | Hospitality | 2023 |
| Sycamore Close (Ashton) Management Co. Ltd | Administrative & support | 2008 |
| Synqledger Limited | Information & communication | 2026 |
| Systagenix Wound Management Manufacturing, Limited | Administrative & support | 2008 |
| T & a Ashton Ltd | Wholesale & retail | 2019 |
| T and P Minimarket Limited | Wholesale & retail | 2013 |
| T Blue Lantern Limited | Education | 2021 |
| T C Construction Consultants Ltd | Extraterritorial | 2018 |
| T Hairport Limited | Other services | 2024 |
| T P Motor Engineers Ltd | Wholesale & retail | 2013 |
| T R Taylors Limited | Wholesale & retail | 2007 |
| T&M Shutters Ltd | Wholesale & retail | 2025 |
| T&Tee Blessed Logix Ltd | Transport & logistics | 2025 |
| TAA Tyres Ltd | Wholesale & retail | 2026 |
| Taad Events Limited | Professional & scientific | 2023 |
| Tackswap Ltd | Wholesale & retail | 2026 |
| Tailored Security Solutions Ltd | Administrative & support | 2022 |
| Tailorina Ltd | Manufacturing | 2026 |
| Take a Seat Ltd | Wholesale & retail | 2025 |
| Talal & Sons Limited | Wholesale & retail | 2025 |
| Taluke Properties Ltd | Real estate | 2024 |
| Tamecliff Holdings Ltd | Real estate | 2025 |
| Tameside Archaeological Society Limited | Arts & recreation | 2003 |
| Tameside Canal Boat Trust | Transport & logistics | 2006 |
| Tameside Citizens Advice Bureau Ltd. | Health & social care | 1988 |
| Tameside Enterprise Ltd | Administrative & support | 2020 |
| Tameside Food Ltd | Hospitality | 2026 |
| Tameside Glass & Security Limited | Construction | 2002 |
| Tameside Hbot Centre Limited | Other services | 2015 |
| Tameside Healthcare Limited | Other services | 1998 |
| Tameside INK Company Ltd | Manufacturing | 2004 |
| Tameside Leisure Co Ltd | Administrative & support | 2024 |
| Tameside Pergolas Ltd | Construction | 2022 |
| Tameside School of Gymnastics Community Interest Company | Arts & recreation | 2013 |
| Tameside Shooting Sports Association Limited | Arts & recreation | 2005 |
| Tameside Work Centre Ltd | Real estate | 2014 |
| Tamewater Developments Ltd | Real estate | 2005 |
| Tamim Auto Garage Ltd | Wholesale & retail | 2023 |
| Tangram INV Limited | Professional & scientific | 2016 |
| Tangram Ventures Limited | Professional & scientific | 2010 |
| Tannerz Ltd | Other services | 2023 |
| Tansem Ltd | Hospitality | 2024 |
| TAP Coaches Ltd | Transport & logistics | 2025 |
| Tara K J Ltd | Other services | 2024 |
| Targetbase Limited | Real estate | 1997 |
| Tarps Ashton Limited | Hospitality | 2018 |
| Tasawar Enterprises Ltd | Wholesale & retail | 2025 |
| Taste India (N/W) Ltd | Other services | 2015 |
| Tasty Treats Limited | Wholesale & retail | 2023 |
| Tattoo Baby Limited | Other services | 2021 |
| TAU Press 2020 Limited | Information & communication | 2020 |
| Taunton Property Developments Ltd | Construction | 2019 |
| Taxstats AI Ltd | Professional & scientific | 2023 |
| Taxstats Cloud Ltd | Information & communication | 2024 |
| Taxstats Work Ltd | Administrative & support | 2025 |
| Taylors the Bakers 2011 Limited | Manufacturing | 2011 |
| Tazz Bazzar Ltd | Wholesale & retail | 2025 |
| TC Direct MCR Ltd | Wholesale & retail | 2020 |
| TC Engineering (Glossop) Limited | Professional & scientific | 2011 |
| Tcsco Limited | Wholesale & retail | 2025 |
| Teacake Projects Ltd | Manufacturing | 2021 |
| TEC 2025 Limited | Real estate | 2025 |
| Tech Hive Talent Ltd | Administrative & support | 2025 |
| Tech Repairs Mossley Ltd | Wholesale & retail | 2025 |
| Techalign Ltd | Information & communication | 2017 |
| Technology Monitoring Software Limited | Information & communication | 2015 |
| Teejay Trading Ltd | Wholesale & retail | 2017 |
| Temple Joinery and Property Maintenance Limited | Construction | 2018 |
| Templedownview Ltd | Other services | 2017 |
| Tenacity Training Academy Limited | Professional & scientific | 2011 |
| Tenet Property Group Ltd | Construction | 2025 |
| Tenstone ALL Saints Ltd | Construction | 2018 |
| TG Hairs and More Limited | Other services | 2026 |
| TGC Concerts Limited | Arts & recreation | 2015 |
| Thansai Thai Spa Ltd | Other services | 2022 |
| That Case Ltd | Wholesale & retail | 2023 |
| THE 1 Advisers Limited | Administrative & support | 2006 |
| THE Accountancy Ward Ltd | Professional & scientific | 2023 |
| THE Accounting Club (North) Ltd | Professional & scientific | 2024 |
| THE Affordable Funeral Company Ltd | Other services | 2015 |
| THE Ancoats Estate Agency Limited | Real estate | 2021 |
| THE Ashton Star Inn (2019) Ltd | Hospitality | 2019 |
| THE Breath Club Ltd | Arts & recreation | 2026 |
| THE Clock Shop Limited | Wholesale & retail | 2009 |
| THE Colour Rooms Ltd | Other services | 2020 |
| THE Converter Shop Limited | Wholesale & retail | 2011 |
| THE Cotswold Linen Press Limited | Other services | 2009 |
| THE Cutting Crew Unisex Barbers Limited | Other services | 2012 |
| THE Didsbury Vape Lounge Ltd | Wholesale & retail | 2025 |
| THE Dysarts Arms Mossley Ltd | Hospitality | 2019 |
| THE Eloozaa Store Limited | Wholesale & retail | 2025 |
| THE Fairway Lounge Ltd | Arts & recreation | 2025 |
| THE Family Unit Limited | Health & social care | 2011 |
| THE Food Corner Ltd | Hospitality | 2020 |
| THE Fullcart Business Ltd | Wholesale & retail | 2026 |
| THE Glow Room Aesthetics Clinic Ltd | Extraterritorial | 2024 |
| THE Good Shepherd Church Ltd. | Health & social care | 2016 |
| THE Graphic Atelier Ltd | Arts & recreation | 2024 |
| THE Green Van Group Limited | Construction | 2021 |