| DL & AL Ltd | Hospitality | 2018 |
| Dockray Hotel Ltd | Hospitality | 2023 |
| DRB Civils & Services Limited | Construction | 2018 |
| DSR Landscaping Limited | Administrative & support | 2015 |
| Dunkley Court Management Limited | Administrative & support | 1999 |
| E-Venture Bikes Limited | Wholesale & retail | 2017 |
| E. Clark & SON Limited | Agriculture & fishing | 2002 |
| Edwin Thompson Property Services Limited | Real estate | 2010 |
| Eigentum Limited | Construction | 2025 |
| Elevated Systems Technology Ltd | Professional & scientific | 2013 |
| Elipse Management Limited | Professional & scientific | 2009 |
| Ersf - Ethnic Restaurants Safety Federation | Hospitality | 2020 |
| ES Bar DOS Limited | Hospitality | 2016 |
| ES Bar Limited | Hospitality | 2014 |
| Escape Paragliding Ltd | Other services | 2022 |
| F & W Green Funeral Directors Limited | Other services | 2015 |
| Fabrica Nova Ltd | Hospitality | 2024 |
| Fairfield Labs Limited | Information & communication | 2025 |
| Fairweather Brothers Ltd | Construction | 2020 |
| Fear Limited | Real estate | 2024 |
| Fellbot Ltd | Information & communication | 2025 |
| Fellpack Limited | Hospitality | 2017 |
| Fellside Sauna Limited | Health & social care | 2024 |
| Fieldside Grange Management Limited | Real estate | 2008 |
| Finedine Restaurant Limited | Hospitality | 2018 |
| Fitz Park Dental Practice Limited | Health & social care | 2016 |
| Fjell Tipi Tent Hire Company Limited | Administrative & support | 2011 |
| Flight Park Services Limited | Other services | 2023 |
| Flock-In Limited | Hospitality | 2003 |
| Foodrink Ltd | Hospitality | 2014 |
| Foodservice Online Limited | Information & communication | 2018 |
| Footprints Education Limited | Administrative & support | 2011 |
| Forbes Painting and Decorating Ltd | Construction | 2025 |
| Friars (Ambleside) Limited | Wholesale & retail | 2014 |
| Friars Packing Limited | Wholesale & retail | 2023 |
| Friars RM Limited | Wholesale & retail | 2021 |
| G T Birkett Limited | Agriculture & fishing | 2014 |
| Garry Loan Joinery Limited | Construction | 2005 |
| Gatesgarth Management Limited | Real estate | 2005 |
| Glitterball for the Mind Limited | Education | 2020 |
| Golden Hills Chinese Restaurant (Keswick) Limited | Hospitality | 2011 |
| Grange Park Residents Association (Keswick) Limited | Administrative & support | 1979 |
| Graythwaite Adventure Limited | Administrative & support | 2020 |
| Green Space Events Limited | Arts & recreation | 2018 |
| Greta Developments Limited | Real estate | 2015 |
| Greta Motor Body Works Limited | Wholesale & retail | 1961 |
| Greta Side Flats Limited | Households | 1995 |
| Ground UP Guiding Ltd | Arts & recreation | 2024 |
| H2 Run Coaching Ltd | Health & social care | 2023 |
| Harry Holme Production Services Limited | Arts & recreation | 2024 |
| Hause Gate Limited | Hospitality | 2018 |
| Hbch Ltd | Hospitality | 2021 |
| Hearth Services Limited | Professional & scientific | 2024 |
| Heather Garth Limited | Households | 2006 |
| Helvellyn Street Bakery Ltd | Manufacturing | 2021 |
| Herdwick Croft Holiday Enterprises Limited | Hospitality | 2003 |
| High Hill Automotive Limited | Wholesale & retail | 2013 |
| High Hill Management Limited | Real estate | 1964 |
| Honister Slate Mine Limited | Mining & quarrying | 2002 |
| Hope Leisure Limited | Hospitality | 2011 |
| Hopegill Gardens (Braithwaite) Limited | Households | 2021 |
| Horizons Limited | Wholesale & retail | 1987 |
| Horse Shoe Inn Limited | Hospitality | 2003 |
| Howrahs Court Limited | Households | 1995 |
| Inchnadamph Lodge Limited | Hospitality | 2021 |
| Independent Properties Limited | Real estate | 1996 |
| Interlude Ceramics Limited | Manufacturing | 2003 |
| J & P Wilson Developments Limited | Construction | 1975 |
| J M Richardson Ltd | Construction | 2004 |
| J&L Kirwan Ltd | Hospitality | 2024 |
| J.B.Dixon Limited | Administrative & support | 1952 |
| Jadaal Properties Limited | Construction | 2002 |
| Jan's Lakeland Sandwich Shop Ltd | Hospitality | 2012 |
| Jason Chambers Photography Limited | Professional & scientific | 2014 |
| Jenkin Hill Ltd | Real estate | 2025 |
| JLC Sales Ltd | Construction | 2025 |
| JMS Pawar Ltd | Hospitality | 2021 |
| John Bryson (Keswick) Limited | Manufacturing | 1994 |
| John Young Furnishings Limited | Wholesale & retail | 2005 |
| Jordan Street Development Management LLP | | 2014 |
| Joybells (Cafe) Limited | Hospitality | 2014 |
| Kat's Kitchen Ltd | Hospitality | 2016 |
| KBE (Homes) Limited | Construction | 2006 |
| KEN Hebson Limited | Construction | 2011 |
| Kerry Regan Trading Ltd | Hospitality | 2022 |
| Keskadale Farm Limited | Extraterritorial | 2022 |
| Kestrel Lodge Limited | Hospitality | 2008 |
| Keswick Agricultural Society Limited | Health & social care | 2011 |
| Keswick Alhambra Ltd | Information & communication | 2016 |
| Keswick Bikes Ltd | Wholesale & retail | 2005 |
| Keswick Boot Co Ltd | Wholesale & retail | 2012 |
| Keswick Camping Keswick Ltd | Hospitality | 2026 |
| Keswick Climbing Wall Limited | Arts & recreation | 2013 |
| Keswick Community Asset Company Limited | Real estate | 2015 |
| Keswick Community Rugby Trust Limited | Arts & recreation | 2013 |
| Keswick Computer Services Limited | Information & communication | 2002 |
| Keswick Consulting Services Ltd | Professional & scientific | 2025 |
| Keswick Convention Project Limited | Hospitality | 1995 |
| Keswick Convention Projects (Rawnsley) Limited | Real estate | 1998 |
| Keswick Cottages Limited | Hospitality | 2016 |