| P.J. Buchanan Building Services Ltd | Construction | 2013 |
| PC Pitstop Limited | Information & communication | 2011 |
| Perfect Panels and Fences Ltd | Manufacturing | 2021 |
| Pony Pals Lakeland CIC | Education | 2024 |
| Quill Essential Limited | Wholesale & retail | 2025 |
| R S Mottram Limited | Professional & scientific | 2003 |
| Rawcollectables Ltd | Wholesale & retail | 2023 |
| Retreat Beauty (Cumbria) Ltd | Other services | 2013 |
| Riverstone Kitchen Ltd | Hospitality | 2025 |
| Rrocks Property Limited | Real estate | 2019 |
| Sahara 24 Ltd | Hospitality | 2024 |
| Samlakesfix Ltd | Manufacturing | 2025 |
| Sasra Limited | Arts & recreation | 2010 |
| SC Industries Limited | Wholesale & retail | 2021 |
| Sherwens Terrace 1964 Limited | Extraterritorial | 2015 |
| ST Bees Little Learners Nursery Ltd | Health & social care | 2020 |
| ST Thomas Cross Hydraulics Ltd | Manufacturing | 2011 |
| Star Takeaway 29 Ltd | Hospitality | 2024 |
| STAR29EGREMONT Ltd | Hospitality | 2025 |
| Steve Edgar Limited | Construction | 2003 |
| Strength Cartel Limited | Arts & recreation | 2020 |
| Stuart Holliday Limited | Construction | 2013 |
| Surveying and Regulatory UK Ltd | Professional & scientific | 2026 |
| TC Electrical Inspection & Testing Ltd | Energy | 2023 |
| Tekbag UK Limited | Financial services | 2003 |
| Telford Building Contractors Limited | Construction | 2003 |
| Teza Masala Limited | Hospitality | 2026 |
| THE Four Corners (Cumbria) Ltd | Hospitality | 2026 |
| THE ISO Specialists Ltd | Professional & scientific | 2020 |
| THE IT Repairs Stop Limited | Information & communication | 2012 |
| THE Lounge Beauty Spa Ltd | Other services | 2026 |
| THE Lounge Health Hub CIC | Public administration | 2026 |
| THE Perfect Gift Co (Whitehaven) Ltd | Wholesale & retail | 2003 |
| TJC Paving Limited | Construction | 2018 |
| Tka(Egremont) Limited | Hospitality | 2019 |
| TN Electrical Services Ltd | Construction | 2023 |
| Toman Contracting Ltd | Construction | 2019 |
| Tonks Property Developments Ltd | Real estate | 2023 |
| TRD Wright Developments Ltd | Real estate | 2024 |
| Trisha's Dishes Ltd | Hospitality | 2025 |
| Tyler B Housing Ltd | Real estate | 2018 |
| UK Screening Solutions Ltd | Other services | 2010 |
| Visuals by David Houghton Ltd | Information & communication | 2019 |
| Vixen Automotive & Motorsport Services Ltd | Wholesale & retail | 2022 |
| Watson Hill Farm | Agriculture & fishing | 2006 |
| West Coast Tattoo Studio Limited | Other services | 2003 |
| West Cumbria Basketball Ltd | Education | 2024 |
| Whitehaven Barber Ltd | Other services | 2021 |
| Windscale Rifle Club CIC | Arts & recreation | 2025 |
| Winscales Holding Limited | Financial services | 2020 |
| Winscales Property Limited | Real estate | 2020 |
| Wood BEE Happy Ltd | Manufacturing | 2025 |
| Woodend Vintage Ltd | Wholesale & retail | 2023 |