| Firswood Guesthouse Limited | Hospitality | 2002 |
| Fisher Advisory Ltd | Professional & scientific | 2016 |
| Flower Meadow Construction Limited | Construction | 2014 |
| Foleys Garage Ltd | Wholesale & retail | 2005 |
| Food Choice Investments Limited | Financial services | 2004 |
| Food for Fish Ltd | Wholesale & retail | 2018 |
| FOOD2YOU Swanage Ltd | Transport & logistics | 2026 |
| Forbes Business Development Ltd. | Professional & scientific | 2015 |
| Fore Adventure Ltd | Education | 2020 |
| Forgetmenot Home Care Purbeck Ltd | Health & social care | 2022 |
| Form Waterjet Limited | Manufacturing | 2006 |
| Forte's Food Sales Limited | Manufacturing | 2002 |
| Fortes (Swanage) Ltd | Wholesale & retail | 2000 |
| Fortes Ice Cream Ltd | Manufacturing | 2012 |
| Freckled Design Ltd | Arts & recreation | 2023 |
| Freezone Retreat | Health & social care | 2012 |
| Fringe Surf Inc. Ltd | Manufacturing | 2022 |
| FRU Tholstrup Art Ltd | Professional & scientific | 2017 |
| Full of Life Gardens Ltd | Administrative & support | 2015 |
| Funky FOX Ltd | Wholesale & retail | 2018 |
| Fusion Hairdressing Ltd | Other services | 2012 |
| G E Carpets Ltd | Wholesale & retail | 2019 |
| Gainsborough House Swanage Limited | Households | 2004 |
| Gannetts Park Ventures Ltd. | Financial services | 2002 |
| Garden Services (Purbeck) Limited | Administrative & support | 2000 |
| Garfield Management Company Limited | Households | 1995 |
| Gcdm Holdings Limited | Financial services | 2022 |
| Gender Neutral Limited | Information & communication | 2010 |
| Geofieldwork Ltd | Education | 2018 |
| GIM GIM Swanage Limited | Hospitality | 2026 |
| Ginger Resources Ltd | Construction | 2014 |
| Glasshaus Limited | Wholesale & retail | 2008 |
| Glebe Broadband CIC | Information & communication | 2022 |
| Glenbridge Leisure Limited | Hospitality | 1974 |
| Glendale House (Swanage) Limited | Households | 2014 |
| Gold Beech Construction Ltd | Construction | 2024 |
| Golden AGE Models Limited | Wholesale & retail | 2004 |
| Golden AGE Railways Limited | Wholesale & retail | 2010 |
| Goldrush Amusements Ltd | Arts & recreation | 2002 |
| Grand Hotel Swanage Limited(The) | Hospitality | 1984 |
| Grand View, Burlington Road Limited | Households | 1986 |
| Grange TEC Solutions Ltd | Information & communication | 2000 |
| Grapevine Telecom (Bath) Limited | Extraterritorial | 2004 |
| Grapevine Telecom Limited | Wholesale & retail | 1997 |
| Grapevine Telecom Trustees Limited | Professional & scientific | 2023 |
| Grease Monkeys (UK) Limited | Wholesale & retail | 2011 |
| Great Oak Estate Ltd | Real estate | 2026 |
| Green Future Electrical Ltd | Construction | 2021 |
| Green Homes Eco Limited | Real estate | 2013 |
| Greenheat Plumbing & Heating Ltd | Construction | 2012 |
| Greyseeds Aqua Ltd | Water & waste | 2025 |
| Griffin House Interiors Limited | Other services | 2001 |
| H and J Swanage Ltd | Real estate | 2023 |
| H2OADVENTURES Ltd | Arts & recreation | 2016 |
| Hair Visions Dorset Limited | Other services | 2013 |
| Halcyon Advisors Limited | Financial services | 2019 |
| Hamiltons Hjsn Ltd | Administrative & support | 2023 |
| Hancock Flies Limited | Manufacturing | 2016 |
| Happy Investor Ltd | Administrative & support | 2025 |
| Harberton Management Co. Limited | Households | 1983 |
| Harbour View (Swanage) Management Company Limited | Households | 2007 |
| Hardingredmans Limited | Professional & scientific | 2011 |
| Hardy Close Management Company (Swanage) Limited | Households | 1986 |
| Hardy Marine Services Ltd | Other services | 2024 |
| Harphill Services Ltd | Hospitality | 2017 |
| Harrison & Wilson Building Contractors Limited | Construction | 2003 |
| Harrison & Wilson Properties Limited | Real estate | 2000 |
| Harvey's Home Improvements Ltd | Construction | 2020 |
| Hatadventures Limited | Education | 2006 |
| Hattie Brown's Brewery Ltd | Manufacturing | 2015 |
| Haven Court (Swanage) Limited | Households | 1988 |
| Hawker Fowle Estates Limited | Real estate | 2019 |
| Haycrafts House (Swanage) Limited | Households | 2013 |
| Haymans Bakery Ltd | Administrative & support | 2017 |
| HCB Group Holdings Limited | Financial services | 2020 |
| HCB Properties Limited | Real estate | 2020 |
| HCB Trading Limited | Wholesale & retail | 2019 |
| HCN Property Ltd | Real estate | 2024 |
| HD Soil Investigations Limited | Professional & scientific | 2021 |
| Healing Hunter Limited | Administrative & support | 2021 |
| Helen Tawse Design Ltd | Professional & scientific | 2020 |
| Heroes Haven Swanage | Other services | 2010 |
| Herston LOG Cabins Limited | Hospitality | 2012 |
| Herston UK Ltd | Real estate | 2014 |
| High Right Roofing Ltd | Construction | 2025 |
| Highview Flats Ltd | Households | 2025 |
| Hillcrest Heating & Plumbing Ltd | Construction | 2024 |
| Hillcrest Residents Association Limited | Households | 1986 |
| Holland Leisure Holdings Limited | Financial services | 2021 |
| Holland Leisure Limited | Arts & recreation | 1968 |
| Holly Oak House Management Company Limited | Real estate | 2014 |
| Holme Nurseries Limited | Wholesale & retail | 2002 |
| Holmedene Lettings Ltd | Real estate | 2023 |
| Holmedene Property Ltd | Real estate | 2023 |
| Home ED Hub Swanage Ltd | Education | 2022 |
| Honalee Media Ltd | Arts & recreation | 2013 |
| Honnor Marine Brokerage Ltd | Wholesale & retail | 2018 |
| Honnor Marine Classics Limited | Manufacturing | 2017 |
| Horizons Swanage Management Company Limited | Households | 2013 |
| Houlgate Housing Ltd | Real estate | 2025 |