| 10 High Street Management Ltd | Households | 2019 |
| 15 Acres Ltd | Real estate | 2022 |
| 2020 Plan Limited | Professional & scientific | 2020 |
| 3CRINGLEMIRE Limited | Real estate | 2025 |
| 50 Craig Walk Limited | Households | 2019 |
| 8587 Stricklandgate Management Company Limited | Households | 2023 |
| A D Chipmunks Limited | Agriculture & fishing | 2003 |
| A J Riley Ltd | Information & communication | 2020 |
| A LA Carte Landscapes and Paving Limited | Administrative & support | 2014 |
| A. Johnson Joinery Ltd. | Construction | 2007 |
| A.W. Builders (South Lakes) Limited | Construction | 2006 |
| Abbotsford Flats Limited | Households | 1978 |
| Achieving Performance Delivery Limited | Professional & scientific | 2022 |
| Acre Moss & White Moss Court Management Company Limited | Households | 2022 |
| Aftree Limited | Real estate | 2020 |
| Aghoco 1709 Limited | Financial services | 2018 |
| AJ Group Property Lettings Ltd | Real estate | 2024 |
| AJ Lakes Ltd | Professional & scientific | 2020 |
| AJ Mastermind Limited | Real estate | 2022 |
| AJ Property Windermere Limited | Real estate | 2020 |
| Alertacall Limited | Information & communication | 2004 |
| Alfa Smart Holdings Limited | Real estate | 2025 |
| Alice Howe Joinery Ltd | Construction | 2011 |
| Alistair Morgan & Associates Limited | Health & social care | 2014 |
| ALL 4 Ltd | Construction | 2016 |
| ALL Seasons Rest Limited | Hospitality | 2017 |
| Alpenrose Treks Ltd | Administrative & support | 2017 |
| Ambleside Assembly Rooms Company Limited | Real estate | 1893 |
| Ambleside Jewellers Limited | Wholesale & retail | 2002 |
| Ambleside Lakes Ltd | Hospitality | 2019 |
| Ambleside Sports Association Limited | Other services | 2011 |
| Ambleside Taxi Company Ltd | Transport & logistics | 2024 |
| Andrew Backhouse Chimney Sweep Limited | Other services | 2012 |
| Andrew Norton Professional Painter and Decorator Limited | Construction | 2011 |
| Andrews Ward James (AWJ) Limited | Administrative & support | 2006 |
| Angela Fell Training Ltd | Wholesale & retail | 2012 |
| Anna Kapuvari Garden Design Ltd | Administrative & support | 2024 |
| Apex Evisure Ltd | Professional & scientific | 2026 |
| Apex Strategic Group Ltd | Professional & scientific | 2025 |
| Applegarth Hotel Limited | Hospitality | 2002 |
| Applethwaite Hall Management Company Limited | Households | 2017 |
| Applethwaite Lodges Limited | Hospitality | 2009 |
| Archers Meadow Management Company Ltd | Households | 1999 |
| Architectural Design Limited | Professional & scientific | 1983 |
| Aria Medical Limited | Wholesale & retail | 2013 |
| Armour Software (Windermere) Ltd | Information & communication | 2024 |
| ARO Productions Limited | Information & communication | 2015 |
| Arun Property Lettings Ltd | Real estate | 2012 |
| Arun Radiocom Ltd | Professional & scientific | 2011 |
| AS95 Limited | Real estate | 2023 |
| Ashdownjones the Dales Limited | Real estate | 2021 |
| Ashdownjones the Lakes Limited | Real estate | 2017 |
| Ashdownjones the Lune Valley Ltd | Real estate | 2023 |
| Ashton Place (Lancaster) Management Company Ltd | Households | 2024 |
| ASM (UK) Limited | Construction | 2007 |
| Athena Roofing Consultancy Ltd | Construction | 2026 |
| Attain Construction Northwest Ltd | Construction | 2019 |
| Attimot Ltd | Hospitality | 2022 |
| AV Holdings (Cumbria) Limited | Real estate | 2022 |
| Avenue Homes Ltd | Real estate | 2019 |
| AX Gold Software Limited | Information & communication | 2001 |
| B J Moran (Electrical Services) Ltd | Energy | 2004 |
| Bandz Properties Limited | Real estate | 2022 |
| Barbon Hillclimb Limited | Arts & recreation | 2008 |
| Barden Mead Procurement Ltd | Real estate | 2018 |
| Bartworks Limited | Wholesale & retail | 2025 |
| Base Pizza Limited | Hospitality | 2014 |
| Baseline Consultancy and Management Ltd | Professional & scientific | 2025 |
| Beathwaite Gardens Management Company Limited | Households | 2010 |
| Beaumont B&B Windermere Limited | Hospitality | 2021 |
| Beech House Windermere Ltd | Hospitality | 2021 |
| Beeline Events Limited | Education | 2018 |
| Bellman Ground Limited | Households | 2007 |
| Bellman Properties Windermere Ltd | Hospitality | 2021 |
| BEN Barden Photography Limited | Professional & scientific | 2006 |
| BEN Harrison Ltd | Construction | 2013 |
| Benson Auto Electrical Ltd | Wholesale & retail | 2016 |
| Beresford's Restaurant & PUB Limited | Hospitality | 2002 |
| Berners Close Apartments Limited | Households | 1999 |
| Berners Close Management Company Limited | Households | 1998 |
| Berry Blockchain Ltd | Information & communication | 2018 |
| Berryprop Ltd. | Administrative & support | 2019 |
| Big Fish Darts Ltd | Arts & recreation | 2025 |
| Birch Tree Guest House Ltd | Hospitality | 2025 |
| Birkhead Management Limited | Real estate | 2014 |
| Birthwaite Edge Management Company Limited | Households | 2008 |
| Bleamere Ltd | Administrative & support | 2017 |
| Blue Goose Bowness Limited | Hospitality | 2016 |
| Blue Goose Windermere Ltd | Hospitality | 2016 |
| Boardwalk Bar & Grill Ltd | Hospitality | 2020 |
| Bobbin Properties Ltd | Real estate | 2024 |
| Book Pack Relax Ltd | Households | 2022 |
| Bosbai Ltd | Professional & scientific | 2022 |
| Bowe IO Ltd | Information & communication | 2013 |
| Bowness Acquisitions Limited | Extraterritorial | 2006 |
| Bowness Management Company Limited | Households | 2007 |
| Bowness PUB Company Ltd | Hospitality | 2025 |
| Bowness Treats Ltd | Hospitality | 2022 |
| Bownessie Ltd | Wholesale & retail | 2026 |
| Bpba Limited | Arts & recreation | 2018 |