| . Kaushal and Sons Limited | Health & social care | 2024 |
| 01793 Tree Surgeons Ltd | Agriculture & fishing | 2025 |
| 0215 Limited | Hospitality | 2015 |
| 071727 Limited | Hospitality | 2025 |
| 07874512 Limited | Information & communication | 2011 |
| 1 RAJ Ltd | Manufacturing | 2023 |
| 1-6 Evergreen Walk Management Ltd | Households | 2025 |
| 10 Property Services Limited | Construction | 2011 |
| 10 Yetis Marketing & PR Limited | Administrative & support | 2005 |
| 100 PL Limited | Wholesale & retail | 2021 |
| 100 Properties Ltd | Real estate | 2025 |
| 1026 Media Limited | Real estate | 2023 |
| 107 Honor Oak Park Management Ltd | Households | 2025 |
| 108 Okus Limited | Professional & scientific | 2008 |
| 10TH Planet JIU Jitsu Swindon Ltd | Administrative & support | 2025 |
| 1119 Ltd | Administrative & support | 2021 |
| 113EVENTS Limited | Arts & recreation | 2012 |
| 11PLUSSCHOOL LLP | | 2016 |
| 12-18 Cloatley Crescent (Wootton Bassett) RTM Company Limited | Extraterritorial | 2014 |
| 120 County Road Limited | Households | 2026 |
| 1204 Enterprises Ltd | Health & social care | 2022 |
| 121 Express Limited | Professional & scientific | 2005 |
| 13 Oxford Road Management Company Limited | Households | 2007 |
| 132 Queens Road Limited | Construction | 2013 |
| 14 Orca Limited | Administrative & support | 2021 |
| 144 Victoria Road Management Company Limited | Households | 2002 |
| 147 Swindon Ltd | Arts & recreation | 2016 |
| 149 County Road Management Limited | Households | 2014 |
| 151-153 County Road Management Limited | Households | 2013 |
| 16 Redcliffe Square Limited | Households | 1997 |
| 17 Solutions Consulting Ltd | Professional & scientific | 2024 |
| 188A Acton Lane Limited | Households | 2024 |
| 19/20 Milton Road (Swindon) Limited | Real estate | 2011 |
| 1989 Properties Limited | Real estate | 2020 |
| 1PESWA Ltd | Information & communication | 2019 |
| 1ST Airborne Drones Ltd | Transport & logistics | 2024 |
| 1ST Choice Inventories Ltd | Other services | 2023 |
| 1ST Commercial FM Ltd | Construction | 2025 |
| 1ST Commercial GAS & Mechanical Ltd | Construction | 2019 |
| 1ST for CBT Ltd | Health & social care | 2018 |
| 1ST Impressions Signs and Graphics Limited | Administrative & support | 2006 |
| 1ST Logistics Courier Services Limited | Transport & logistics | 2025 |
| 1ST Pent Property Ltd | Real estate | 2022 |
| 1ST Star Limited | Administrative & support | 2013 |
| 1UP Brand Ltd | Professional & scientific | 2024 |
| 2 Canfield Gardens RTM Company Ltd | Households | 2024 |
| 20 Church Street Stratton ST. Margaret Management Co. Limited | Hospitality | 1988 |
| 2040 Innovations Ltd | Information & communication | 2025 |
| 217-219 Well Street Ltd | Real estate | 2018 |
| 23 OPS Ltd | Transport & logistics | 2025 |
| 24 HR Gym Limited | Arts & recreation | 2013 |
| 24 the Oval Ltd | Real estate | 2022 |
| 24/7 Divine Care Ltd | Health & social care | 2020 |
| 24/7 PTS Fleet Ltd | Administrative & support | 2023 |
| 24/7 Recovery/Transport Swindon Ltd | Transport & logistics | 2026 |
| 247 Road Rescue Ltd | Transport & logistics | 2022 |
| 24K Events Ltd | Arts & recreation | 2022 |
| 254 Brand Ltd | Other services | 2025 |
| 26-42 Daisy Brook (Wootton Bassett) RTM Company Limited | Real estate | 2013 |
| 284 Franciscan Road Management Ltd | Households | 2025 |
| 29 to 31 Onslow Gardens Limited | Households | 1996 |
| 29-43 Daisy Brook (Wootton Bassett) RTM Company Limited | Real estate | 2013 |
| 2B2 Consulting Limited | Information & communication | 2014 |
| 2CG Coating Ltd | Other services | 2014 |
| 2KR Transport Ltd | Transport & logistics | 2020 |
| 30 Pennard Limited | Real estate | 2025 |
| 300 Consulting Limited | Information & communication | 2008 |
| 300 Sales Limited | Administrative & support | 2004 |
| 31 Park Street Management Company Limited | Real estate | 2022 |
| 31 Wood Street (Swindon) Management Company Ltd | Administrative & support | 2003 |
| 33 Swindon Street (Highworth) Management Company Limited | Households | 2021 |
| 3340 Limited | Administrative & support | 2016 |
| 34 Stormont Road Freehold Limited | Households | 2017 |
| 36 Anerley Park Management Company Limited | Households | 2000 |
| 360 M&E Ltd | Other services | 2022 |
| 360PRO - Decorating Services Ltd | Construction | 2022 |
| 365 Coding Solutions Ltd | Information & communication | 2022 |
| 365 Power Ltd | Construction | 2022 |
| 37, Dixon Street Management Ltd | Real estate | 2009 |
| 39 Deacon Street Management Company Limited | Real estate | 1992 |
| 3C Management Limited | Information & communication | 2017 |
| 3G and PAT Healthcare Limited | Health & social care | 2018 |
| 3J Event Planners Limited | Hospitality | 2019 |
| 3J&D Company Limited | Health & social care | 2022 |
| 3RD Career Ltd | Administrative & support | 2025 |
| 3SIXTY IQ Limited | Professional & scientific | 2024 |
| 3XN Holdings Ltd | Hospitality | 2023 |
| 4 Coffee Cafe Ltd | Hospitality | 2025 |
| 4 Lakes Waterski School Ltd | Arts & recreation | 2018 |
| 4 Point Innovation Ltd | Information & communication | 2025 |
| 4 Reels Pro Ltd | Information & communication | 2025 |
| 4 Seasons - Home & Garden Solutions Ltd | Administrative & support | 2023 |
| 4 Steam Ahead Ltd | Hospitality | 2026 |
| 4 Way Construction Limited | Construction | 2015 |
| 4 YOU Media Limited | Information & communication | 2017 |
| 4-9 Herschel Close RTM Company Limited | Households | 2007 |
| 40/42 Cranley Gardens Management Limited | Households | 1996 |
| 445 Fleet Care Ltd | Wholesale & retail | 2024 |
| 45-47 Clarence Street Cheltenham Limited | Real estate | 2006 |
| 48 Pont Street Limited | Households | 1996 |