| Forest Community Radio | Information & communication | 2003 |
| Forest Edge Developments Ltd | Construction | 2021 |
| Forest Edge Engineering Ltd | Wholesale & retail | 2022 |
| Forum Vehicles Limited | Wholesale & retail | 2012 |
| Fresh Echo Ltd | Professional & scientific | 2025 |
| Fusion Architects Ltd | Professional & scientific | 2023 |
| Fusion Construction Ltd | Construction | 2020 |
| Fusion Logistics Limited | Transport & logistics | 2021 |
| Fusion Wifi Limited | Other services | 2024 |
| Futureworth Limited | Extraterritorial | 2019 |
| G.Armstrong Electrical Ltd | Administrative & support | 2023 |
| G.C. Residents Association Limited | Households | 1991 |
| G.T. Woodlands Limited | Agriculture & fishing | 1996 |
| GB Paving & Driveways Ltd | Construction | 2016 |
| George and James Architects Limited | Professional & scientific | 2017 |
| Glce Homes Ltd | Real estate | 2021 |
| Gledhill Ltd | Extraterritorial | 2011 |
| GLO Tanning Studio Verwood Ltd | Other services | 2019 |
| Global Filters Limited | Manufacturing | 1996 |
| Goff Engineering and Management Limited | Professional & scientific | 2022 |
| Goodfin Holdings Ltd | Financial services | 2026 |
| Grant Sellers Limited | Professional & scientific | 2003 |
| Green Ninja Software Solutions Limited | Information & communication | 2017 |
| Grizzly Productions Limited | Information & communication | 2015 |
| Guy's Plant Hire Limited | Administrative & support | 2010 |
| Guy's Plant Holdings Ltd | Financial services | 2026 |
| Guy's Plant Sales Ltd | Wholesale & retail | 2018 |
| Hall-Mclean & DE Watts (Hm-D) Ltd | Wholesale & retail | 2020 |
| Hampshire Money Ltd | Financial services | 2021 |
| Handweavers Limited | Wholesale & retail | 2009 |
| Hannol UK Limited | Financial services | 2026 |
| Harlyl Boutique Ltd | Manufacturing | 2020 |
| Harold G. Walker (Solicitors) Limited | Professional & scientific | 1989 |
| Harper's Financial Services Ltd | Financial services | 2016 |
| Hawke and Parker House Limited | Real estate | 2020 |
| Hawkins Marine Services Ltd | Manufacturing | 2021 |
| HB Conveyancing Ltd | Professional & scientific | 2023 |
| Heating Supplies Direct Ltd | Wholesale & retail | 2026 |
| Hedges Building Services Ltd | Construction | 2014 |
| Hello Thai Ltd | Hospitality | 2025 |
| HGW Trustees 1 Limited | Professional & scientific | 2014 |
| HGW Trustees 2 Limited | Professional & scientific | 2014 |
| Hillmeadow FPS Ltd | Professional & scientific | 2012 |
| Hm-D Capital Ltd | Administrative & support | 2024 |
| Hm-D Hire Ltd | Administrative & support | 2023 |
| Home Furniture Design Limited | Wholesale & retail | 2024 |
| Horizon Publishing (South) Ltd | Extraterritorial | 2017 |
| Horizon Publishing Ltd | Information & communication | 2004 |
| Household Division Veteran Riders Club Limited | Other services | 2025 |
| Howard Ridge Management Limited | Households | 1987 |
| Hsie Limited | Professional & scientific | 2007 |
| HTS Accounts Limited | Professional & scientific | 2022 |
| Husky Medics Ltd | Health & social care | 2024 |
| Hydro Heating Solutions Limited | Construction | 2010 |
| IGS Records Ltd | Information & communication | 2026 |
| Imperial Games Studios Ltd | Information & communication | 2024 |
| Imperial Independent Mortgage Services Limited | Financial services | 2007 |
| Infinza Limited | Information & communication | 2022 |
| Ingram Walk Management (Wimborne) Limited | Hospitality | 1998 |
| INSPIRED4LIFE Ltd | Education | 2015 |
| Isoptic Limited | Professional & scientific | 2000 |
| Itserv Services Limited | Professional & scientific | 2008 |
| J & K Keable Ltd | Hospitality | 2023 |
| J3 Electrical Ltd | Construction | 2024 |
| Jacobs Building Solutions Limited | Construction | 2003 |
| James Cunniffe Partnership Limited | Construction | 1991 |
| JAW Cleaning Services Limited | Administrative & support | 2021 |
| JB Sales & Marketing Consultancy Ltd | Professional & scientific | 2019 |
| Jgs-Invest Ltd. | Financial services | 2016 |
| JJP Legal Ltd | Real estate | 2023 |
| JJP Property & Investment Ltd | Financial services | 2025 |
| Jmdb Project Management Limited | Construction | 2015 |
| Jmdbprop Limited | Financial services | 2019 |
| JP Direct Sales Ltd | Wholesale & retail | 2024 |
| JRK Tech Ltd | Information & communication | 2014 |
| JSD Construction (Southern) Ltd | Construction | 2015 |
| JST Analytics Ltd | Financial services | 2026 |
| K Brothers Decorating LLP | | 2026 |
| KCI Accountancy Limited | Professional & scientific | 2017 |
| Kennard-White Developments Ltd | Real estate | 2023 |
| Khom Fabrics Limited | Wholesale & retail | 2022 |
| Kingfishers Cleaning Ltd | Administrative & support | 2021 |
| Kingfishers Commercial Cleaning Ltd | Administrative & support | 2022 |
| Kiwi Design Group Limited | Construction | 2025 |
| Kiwi Design Limited | Construction | 1986 |
| Kiwi Design Trustees Limited | Professional & scientific | 2025 |
| Knights Electrical Services Limited | Construction | 2009 |
| Knightsun Ltd | Administrative & support | 2021 |
| Kubertec Ltd | Information & communication | 2014 |
| Land and Plot Finder Limited | Real estate | 2010 |
| Lcsc Consulting Ltd | Professional & scientific | 2020 |
| Legacy Life Solutions Ltd | Financial services | 2025 |
| LF Transport Ltd | Transport & logistics | 2022 |
| Libra Care and Support Ltd | Health & social care | 2020 |
| Lmbc Maintenance Services Ltd | Construction | 2023 |
| Lockwood Land and Property Limited | Real estate | 2020 |
| Longfleet Road Freehold Limited | Households | 2016 |
| Lucy Paul Limited | Information & communication | 2025 |
| Luke Charsley Ltd | Professional & scientific | 2025 |
| M and M Holdings (Verwood) Ltd | Real estate | 2025 |