| Swanage Disabled Club Ltd | Other services | 2009 |
| Swanage Emporium Ltd | Wholesale & retail | 2026 |
| Swanage Fairy Festival Community Interest Company | Arts & recreation | 2022 |
| Swanage Fish & Food Festival Limited | Hospitality | 2025 |
| Swanage Flat Management Co Limited | Real estate | 1998 |
| Swanage Folk Festival CIC | Arts & recreation | 2024 |
| Swanage Haven Management Limited | Households | 1988 |
| Swanage Holiday Properties Limited | Hospitality | 2001 |
| Swanage Insurance Brokers Limited | Financial services | 1996 |
| Swanage Jazz Festival | Arts & recreation | 2003 |
| Swanage Literary Festival CIC | Arts & recreation | 2025 |
| Swanage Museum | Arts & recreation | 2011 |
| Swanage Newsagents Limited | Wholesale & retail | 2008 |
| Swanage Pier Company | Other services | 1959 |
| Swanage Pier Trust(The) | Arts & recreation | 1984 |
| Swanage Regatta and Carnival | Arts & recreation | 2003 |
| Swanage Removals Ltd | Transport & logistics | 2018 |
| Swanage Sailing Club Limited | Arts & recreation | 2025 |
| Swanage Sea Fishing Limited | Agriculture & fishing | 2013 |
| Swanage Self Storage Solutions Ltd | Transport & logistics | 2023 |
| Swanage Sparks Ltd | Construction | 2022 |
| Swanage Town & Herston FC Ltd | Arts & recreation | 2023 |
| Swanage Tyres and Tuning Limited | Manufacturing | 2012 |
| Swanbrook Mews (Swanage) Management Company Limited | Households | 1987 |
| Sweet Swanage Limited | Information & communication | 2023 |
| Sweetpea Property Rentals Ltd | Real estate | 2021 |
| Swiss House Management Company Limited | Households | 2001 |
| Symondsbury Residents Association Limited | Households | 2008 |
| Sæxia Ltd | Public administration | 2025 |
| T C Haigh Limited | Professional & scientific | 2007 |
| T-Ags Trans Ltd | Transport & logistics | 2025 |
| Talisei Ltd | Financial services | 2025 |
| Tanhill Management Limited | Real estate | 2017 |
| Tatnam Beauty Ltd | Other services | 2013 |
| Tawny's Wine Bar Ltd | Hospitality | 2002 |
| Teabreaks Catering Limited | Hospitality | 2017 |
| TEN4 Events Ltd | Arts & recreation | 2022 |
| Tghs Limited | Hospitality | 2004 |
| THE 8 ST Georges Street Management Company Ltd | Households | 2009 |
| THE Amarone in Ringwood Ltd | Hospitality | 2014 |
| THE Arches Swanage Ltd | Hospitality | 2023 |
| THE Bayside Trading Co. Limited | Extraterritorial | 2023 |
| THE Beach Kiosk Swanage Ltd | Extraterritorial | 2024 |
| THE Bodyboard Depot Limited | Wholesale & retail | 2015 |
| THE Brick Swanage Ltd | Hospitality | 2025 |
| THE Cabin (Swanage) Limited | Hospitality | 1988 |
| THE Cellar Bar (Swanage) Ltd | Hospitality | 2019 |
| THE Chines Management Company Limited | Administrative & support | 2004 |
| THE Cleaning Lady Ltd | Other services | 2022 |
| THE Crows Nest Inn Swanage Ltd | Hospitality | 2017 |
| THE Fish Place Dorset Limited | Hospitality | 2022 |
| THE Fish Plaice (Swanage) LLP | | 2004 |
| THE Fonc Lounge Ltd | Hospitality | 2023 |
| THE Forgotten Salt PIG Ltd | Wholesale & retail | 2025 |
| THE Guild, Building Conservation and Restoration Ltd | Construction | 2024 |
| THE Hampstead Jazz Club C.I.C. | Arts & recreation | 2022 |
| THE In-Marketing Partnership Limited | Professional & scientific | 2003 |
| THE Italian Bakery Ltd | Wholesale & retail | 2018 |
| THE Italian Kitchen (Dorset) Ltd | Hospitality | 2016 |
| THE Loft Community Centre Swanage CIC | Health & social care | 2023 |
| THE Lookout Swanage Management Company Limited | Households | 2021 |
| THE Lulworth Stores Ltd | Wholesale & retail | 2011 |
| THE Malverns Residents Company (Swanage) Limited | Households | 2001 |
| THE Marketing Academy Ltd | Professional & scientific | 2026 |
| THE Master Florist Limited | Extraterritorial | 1997 |
| THE Mowlem Institute Charity Limited | Arts & recreation | 2010 |
| THE Natural Flint Co Ltd | Wholesale & retail | 2025 |
| THE Office Cafe Ltd | Hospitality | 2017 |
| THE Old Forge Studio Ltd | Wholesale & retail | 2025 |
| THE Old Rocks Construction Co Ltd | Construction | 2024 |
| THE Old Town Salt PIG Limited | Wholesale & retail | 2025 |
| THE Orchids Management (NO 1) Limited | Households | 1989 |
| THE Original Vape Shop (High Howe) Ltd | Wholesale & retail | 2023 |
| THE Property Gang Ltd | Construction | 2023 |
| THE Property of DSC Ltd | Financial services | 2015 |
| THE Purbeck Hamper Company Ltd | Hospitality | 2025 |
| THE Purbeck Plaza Limited | Hospitality | 2023 |
| THE Purbeck Stone Centre Trust Limited | Education | 2007 |
| THE Robert Burrow Consultancy LLP | | 2004 |
| THE Salon at 53 Ltd | Other services | 2013 |
| THE Salt PIG Ltd | Wholesale & retail | 2009 |
| THE Salt PIG TOO Limited | Hospitality | 2017 |
| THE Sandhaven Ltd | Hospitality | 2014 |
| THE Sandy Salt PIG Ltd | Wholesale & retail | 2022 |
| THE Shekinah School of Psychospiritual Training Limited | Education | 2004 |
| THE Shell Bay Cafe Limited | Hospitality | 1996 |
| THE Shell Bay Marine Limited | Extraterritorial | 1996 |
| THE Sisside&Co. Ltd | Wholesale & retail | 2024 |
| THE Sourcing Studio Ltd | Wholesale & retail | 2021 |
| THE Swanage Beach Cabin Limited | Hospitality | 2017 |
| THE Tech People Group Ltd | Information & communication | 2024 |
| THE Wessex Astrologer Limited | Wholesale & retail | 1996 |
| THE White Swan Swanage Ltd | Hospitality | 2018 |
| THE Wight Bear ALE House Ltd | Hospitality | 2015 |
| THE Wild Adventure Group Limited | Arts & recreation | 2026 |
| THE Wild Swimming Co. Ltd | Hospitality | 2023 |
| THE Winchester Beach Co Ltd | Real estate | 2000 |
| THE Wool and Craft Shop Limited | Wholesale & retail | 2002 |
| THE Wool Hub CIC | Education | 2023 |
| Thlm Swanage Management Company Limited | Households | 2005 |