| Swindon GAS Services Ltd | Other services | 2013 |
| Swindon Grab Hire Limited | Water & waste | 2013 |
| Swindon Halal Fresh Meat Fish and Vegetables Market Ltd | Wholesale & retail | 2025 |
| Swindon Hand Carwash Ltd | Administrative & support | 2019 |
| Swindon Handyman Services Ltd | Construction | 2026 |
| Swindon Hearing Specialists Ltd | Wholesale & retail | 2018 |
| Swindon Home & Garden Ltd | Extraterritorial | 2024 |
| Swindon Home Control Limited | Construction | 2018 |
| Swindon Home Store Ltd | Wholesale & retail | 2025 |
| Swindon Homes Limited | Real estate | 2017 |
| Swindon Housing (Rent) Company Limited | Construction | 2017 |
| Swindon Housing Company Limited | Construction | 2017 |
| Swindon Housing Development Company Limited | Construction | 2017 |
| Swindon Hydrotherapy Limited | Professional & scientific | 2014 |
| Swindon Indoor Golf Centre Ltd | Arts & recreation | 2020 |
| Swindon Inns Ltd | Hospitality | 2019 |
| Swindon Interiors LLP | | 2012 |
| Swindon Internet Cafe' Ltd | Administrative & support | 2018 |
| Swindon Laundry Ltd | Other services | 2018 |
| Swindon Lightning Cheerleading Club CIC | Education | 2024 |
| Swindon Lightning Ltd | Education | 2026 |
| Swindon Loft Conversions (BE) Ltd | Construction | 2023 |
| Swindon Logistics Limited | Transport & logistics | 2003 |
| Swindon Makerspace C.I.C. | Other services | 2015 |
| Swindon Martial Arts Centre Ltd | Arts & recreation | 2012 |
| Swindon Masonic Association Limited | Other services | 1971 |
| Swindon Memorials Ltd | Manufacturing | 2019 |
| Swindon Mentoring and Self Help Youth Project | Other services | 2002 |
| Swindon Metal Recycling Holdings Limited | Financial services | 2018 |
| Swindon Metal Recycling Limited | Water & waste | 2008 |
| Swindon Metal Solutions Limited | Administrative & support | 1998 |
| Swindon Mobility Ltd | Wholesale & retail | 2021 |
| Swindon Motors Ltd | Wholesale & retail | 2024 |
| Swindon Muck Away Ltd | Water & waste | 2019 |
| Swindon Multi Trades Limited | Construction | 2016 |
| Swindon Multisports Limited | Arts & recreation | 2019 |
| Swindon Music Co-Operative Limited | Administrative & support | 1998 |
| Swindon Oak Ltd | Manufacturing | 2025 |
| Swindon Osteopath Ltd | Other services | 2021 |
| Swindon Pates BUS Ltd | Administrative & support | 2024 |
| Swindon Pet Care Services Limited | Professional & scientific | 2025 |
| Swindon Pickleball Club CIC | Education | 2023 |
| Swindon Pizza and Burger Ltd | Hospitality | 2024 |
| Swindon Pizza Limited | Hospitality | 2022 |
| Swindon Plastering Ltd | Construction | 2025 |
| Swindon Powertrain Limited | Manufacturing | 1964 |
| Swindon Private Hire Ltd | Transport & logistics | 2026 |
| Swindon Private Medical and Wellness Centre Limited | Real estate | 2024 |
| Swindon Property Group Limited | Financial services | 2007 |
| Swindon Property Management Limited | Real estate | 2025 |
| Swindon PUB Watch Ltd | Other services | 2021 |
| Swindon Restaurant Cervejaria Ltd | Wholesale & retail | 2026 |
| Swindon Rewires Ltd | Extraterritorial | 2025 |
| Swindon Rugby Football Club Limited | Arts & recreation | 2014 |
| Swindon School of Gymnastics | Education | 1997 |
| Swindon Send Families Voice CIC | Information & communication | 2019 |
| Swindon Services Limited | Construction | 2021 |
| Swindon Shutters Limited | Construction | 2024 |
| Swindon Signs Limited | Manufacturing | 2020 |
| Swindon Silicon Systems Limited | Manufacturing | 1978 |
| Swindon Sisters Alliance C.I.C. | Wholesale & retail | 2020 |
| Swindon Skate Social CIC | Arts & recreation | 2025 |
| Swindon Skip Hire Ltd | Extraterritorial | 2022 |
| Swindon Skips Ltd | Extraterritorial | 2023 |
| Swindon Smoke Station Limited | Wholesale & retail | 2019 |
| Swindon Spice Ltd | Hospitality | 2024 |
| Swindon Sports and Prestige Ltd | Wholesale & retail | 2024 |
| Swindon STI Ltd. | Hospitality | 2025 |
| Swindon Storage Solution Ltd | Transport & logistics | 2026 |
| Swindon Supermarine Football Club Limited | Arts & recreation | 2012 |
| Swindon Supermarine Land Limited | Arts & recreation | 2005 |
| Swindon Swim School Limited | Education | 2019 |
| Swindon Tabula Rasa Limited | Health & social care | 2024 |
| Swindon Taxi Hire Ltd | Administrative & support | 2026 |
| Swindon Technical Services Limited | Wholesale & retail | 1991 |
| Swindon Therapy Centre for Multiple Sclerosis | Health & social care | 1995 |
| Swindon Town FC Community Foundation | Education | 2007 |
| Swindon Town Football Company Limited | Arts & recreation | 1897 |
| Swindon Town Taxi Rentals Ltd | Administrative & support | 2026 |
| Swindon Trade Centre Limited | Wholesale & retail | 2023 |
| Swindon Traders Ltd | Wholesale & retail | 2025 |
| Swindon Trading Ltd | Wholesale & retail | 2017 |
| Swindon Trailers Limited | Manufacturing | 2017 |
| Swindon Training Ltd | Administrative & support | 2025 |
| Swindon Transfers.Com Ltd | Transport & logistics | 2019 |
| Swindon Truck School Limited | Education | 2023 |
| Swindon Turkish Restaurant Ltd | Hospitality | 2025 |
| Swindon Tyres Ltd | Manufacturing | 2019 |
| Swindon Tyres Service Ltd | Wholesale & retail | 2012 |
| Swindon United AFC Ltd | Arts & recreation | 2026 |
| Swindon Valley Pizza Ltd | Hospitality | 2026 |
| Swindon Vape Shop Ltd | Wholesale & retail | 2024 |
| Swindon Vapour Blasting Limited | Administrative & support | 2020 |
| Swindon Vehicle Recovery Ltd | Transport & logistics | 2021 |
| Swindon Volleyball Club Limited | Arts & recreation | 2024 |
| Swindon Watersports Ltd | Wholesale & retail | 2018 |
| Swindon Web Development Limited | Information & communication | 2017 |
| Swindon Wildcats Hockey Ltd | Arts & recreation | 2013 |
| Swindon Wildcats Limited | Arts & recreation | 2004 |
| Swindon Youth Theatre | Arts & recreation | 2013 |