| Hawaiian Shirt Shop Limited | Wholesale & retail | 2017 |
| Heartwood Creations Ltd | Construction | 2022 |
| Hedgehopper Marketing and Events Limited | Administrative & support | 2026 |
| Highdown Property Investments Ltd | Real estate | 2023 |
| Highdown Property Sourcing Ltd | Financial services | 2023 |
| Hinch the Winch Ltd | Arts & recreation | 2018 |
| HJ Entertainment Limited | Arts & recreation | 2026 |
| HM Laser Design Ltd | Manufacturing | 2017 |
| Homesick Angel Ltd | Information & communication | 2007 |
| HRL Retail Limited | Wholesale & retail | 2024 |
| HRT ME Ltd | Manufacturing | 2023 |
| Hugh Johnson Limited | Professional & scientific | 1987 |
| Hythe Against Crime | Information & communication | 2003 |
| Ihhr Ltd | Professional & scientific | 2025 |
| J P Willard Limited | Real estate | 2025 |
| Jare Limited | Construction | 2013 |
| JL Property Invest Ltd | Real estate | 2024 |
| JPM Productions Limited | Information & communication | 2022 |
| Just Benjamin Ltd | Professional & scientific | 2024 |
| K Drury & Sons Ltd | Transport & logistics | 2016 |
| K.E. Porter Ltd | Administrative & support | 2003 |
| Ledger Line Productions Ltd | Information & communication | 2017 |
| Lewis Curzon Skincare Ltd | Manufacturing | 2022 |
| Lighthouse Physiotherapy Limited | Health & social care | 2014 |
| Little Bear Productions Ltd | Information & communication | 2019 |
| Little Ellen Ltd | Wholesale & retail | 2019 |
| Manic Paintball Europe LLP | | 2008 |
| Mark Skinner Ltd | Construction | 2003 |
| MBS Mobile Ltd | Wholesale & retail | 2015 |
| Mill Barn Farm Ltd | Manufacturing | 2025 |
| ML & CL Property Ltd | Real estate | 2024 |
| Mole Associates Limited | Professional & scientific | 2017 |
| MOVEU2 Ltd | Transport & logistics | 2024 |
| Mtacs-Uk Limited | Information & communication | 2025 |
| MTG Harris Limited | Real estate | 2017 |
| NDF Projects Limited | Professional & scientific | 2010 |
| NEU Road Limited | Information & communication | 2026 |
| Nicol Developments Limited | Construction | 2013 |
| Noakley Innovations Ltd | Professional & scientific | 2022 |
| North Marley Holdings Ltd | Financial services | 2022 |
| Novadais UK Ltd | Information & communication | 2019 |
| NZE50 Consulting Limited | Professional & scientific | 2020 |
| Oakdown House Finance Ltd | Health & social care | 2018 |
| Oaks Close (Etchingham) Management Co Limited | Real estate | 1999 |
| OB Construction and Property Maintenance Ltd | Construction | 2021 |
| Ockham Management Limited | Arts & recreation | 2004 |
| Oliver John Contracts and Maintenance Limited | Construction | 2009 |
| Oliver John Shopfitters Limited | Manufacturing | 2015 |
| One Earth Energy Ltd | Manufacturing | 2023 |
| One Earth Partnership Ltd | Professional & scientific | 2026 |
| Oscola PUB Co Ltd | Hospitality | 2019 |
| P&T FOX Ltd | Construction | 2019 |
| Pebl Lessons Ltd | Education | 2026 |
| PHN Financial Risk Consultancy Limited | Professional & scientific | 2016 |
| Physalia Associates Ltd | Professional & scientific | 2020 |
| Piranha Group Holdings Limited | Professional & scientific | 1980 |
| Planters (East Sussex) Ltd | Wholesale & retail | 2024 |
| Precision Catering Ltd | Hospitality | 2021 |
| Pro South East Ltd | Construction | 2022 |
| Progress Scaffolding Limited | Construction | 2025 |
| Prospect Bainton Limited | Financial services | 2013 |
| Provincial MCT Ltd | Transport & logistics | 2025 |
| Provincial Motorcycle Tours Ltd | Administrative & support | 2021 |
| R.P. Engineering (Sussex) Limited | Real estate | 1985 |
| Rapid Ramp Ltd | Manufacturing | 2007 |
| RD Electrical South Ltd | Construction | 2023 |
| Realize Projects Limited | Administrative & support | 2012 |
| Rebellion Campers Limited | Hospitality | 2020 |
| Red Barn Developments Limited | Construction | 1989 |
| Redleaf IV Limited Partnership | | 2002 |
| Registered Care Association Limited | Other services | 2015 |
| Repeat Offenders Ltd | Information & communication | 2008 |
| Rhoden Limited | Information & communication | 2002 |
| Richard Barnes (Farms) Limited | Agriculture & fishing | 1980 |
| Riverside Transport Services Ltd | Transport & logistics | 2025 |
| Room to Grow Limited | Professional & scientific | 1999 |
| Rupert and Barnaby Ltd | Construction | 2023 |
| Salico Holdings Ltd | Financial services | 2024 |
| Sandstones Project Services Ltd. | Professional & scientific | 2014 |
| Sasha Hunt Limited | Financial services | 2012 |
| SB Electrical Design Ltd | Professional & scientific | 2022 |
| Seagull Tech Solutions Ltd | Information & communication | 2026 |
| Sedlescombe Pre-School Ltd | Education | 2014 |
| Serenity Construction Limited | Construction | 2020 |
| Seven Tales Entertainment Ltd | Information & communication | 2023 |
| Sexton and Stigger Limited | Real estate | 1949 |
| Sheep Hot Limited | Professional & scientific | 2015 |
| Shooting Films Limited | Information & communication | 2007 |
| Shoyswell Woodlands Limited | Extraterritorial | 2014 |
| Silverbank Construction Services Limited | Construction | 2005 |
| SK Classic Ltd | Wholesale & retail | 2016 |
| SK Conversions Ltd | Manufacturing | 2016 |
| Snuffle & Co Ltd | Manufacturing | 2024 |
| Socialside Insight Ltd | Professional & scientific | 2016 |
| South Beach Management (Bexhill) Limited | Real estate | 2017 |
| Southover Place (Management) Limited | Households | 1986 |
| Spark Solutions (South East) Ltd | Construction | 2014 |
| Speaking Signs Limited | Construction | 2017 |
| Spicer Catering Limited | Hospitality | 2019 |
| ST Anne's Green Residents Company Ltd | Households | 2023 |