| Bounce Buddies North West Ltd | Administrative & support | 2025 |
| Bouncin MAD Ltd | Arts & recreation | 2020 |
| Boxilicious Ltd | Extraterritorial | 2021 |
| Bpfe Ltd | Manufacturing | 2023 |
| BPS Plumbing Services Ltd | Construction | 2018 |
| Brabbs Motor Works Limited | Wholesale & retail | 2006 |
| Braddock Brickworks Ltd | Construction | 2024 |
| Bradley Contract Decorators Limited | Construction | 2013 |
| Bradshawgate Ltd | Hospitality | 2024 |
| Brambly House Montessori School Limited | Education | 2006 |
| Brands and Trade Limited | Wholesale & retail | 2025 |
| Bravix Properties Ltd | Real estate | 2025 |
| Brewery Leigh Ltd | Hospitality | 2021 |
| Brian Goddard Limited | Health & social care | 2017 |
| Bridgewater Facilities Management Ltd | Administrative & support | 2021 |
| Bridgewater View Maintenance Limited | Households | 2022 |
| Bright Plan Kitchens Ltd | Wholesale & retail | 2025 |
| Brockwater Limited | Professional & scientific | 2021 |
| Brook Housing Association Ltd | Hospitality | 2017 |
| Brook Street Interior Design Limited | Professional & scientific | 2026 |
| Brooklands (Leigh) Limited | Real estate | 1969 |
| Brothers 1 Ltd | Construction | 2026 |
| Browzi Limited | Information & communication | 2010 |
| Brunsman Ltd | Construction | 2022 |
| Bubble Care Group Ltd | Health & social care | 2019 |
| Bubble Holdings Ltd | Real estate | 2025 |
| Bubble Homes Ltd | Real estate | 2025 |
| Bubble Operations Ltd | Transport & logistics | 2024 |
| Building Services & Facilities Management Ltd | Construction | 2014 |
| Bumper Bumper Car Wash Ltd | Other services | 2024 |
| Bunnii Estate Limited | Real estate | 2021 |
| Burlington Building Services Limited | Construction | 1999 |
| Burmac Consultant Design Services Limited | Construction | 1977 |
| Busybees at the Beehive CIC | Arts & recreation | 2023 |
| Buy NOW Mobiles & Vape Limited | Wholesale & retail | 2025 |
| Buzz Legal Ltd | Professional & scientific | 2026 |
| Buzz Money Ltd | Education | 2026 |
| Buzz Owners Club UK Ltd | Administrative & support | 2025 |
| C & E Property Development Limited | Construction | 2015 |
| C & J Property Services Ltd | Hospitality | 2018 |
| C & L Plant Repairs Ltd | Manufacturing | 2017 |
| C Chicken Ltd | Hospitality | 2026 |
| C MEE Project Management Ltd | Administrative & support | 2024 |
| C O B Maintenance Ltd | Construction | 2024 |
| C. & J. Plumbing & Heating Limited | Construction | 2003 |
| C.A Flooring Limited | Construction | 2015 |
| CAD Inspection Services Ltd | Professional & scientific | 2018 |
| Cakes & Dreams Ltd | Wholesale & retail | 2015 |
| Calibration & Consultancy Services (UK) Limited | Professional & scientific | 2007 |
| Calibration and Consultancy Services Limited | Professional & scientific | 1992 |
| Calibre Building Solutions Ltd | Construction | 2016 |
| Calibre Property and Developments Group Ltd | Construction | 2025 |
| Call the Car Ltd | Transport & logistics | 2011 |
| Calm Frequency Co Limited | Other services | 2026 |
| Camber Gardening Services Limited | Administrative & support | 2026 |
| Canine Lore Ltd | Other services | 2025 |
| Care 2 Connect AS Ltd | Health & social care | 2023 |
| Care 4 Health First Ltd | Health & social care | 2024 |
| Care Competency Group Limited | Professional & scientific | 2026 |
| Caring Options Limited | Health & social care | 2001 |
| Carlease (UK) Ltd | Financial services | 2014 |
| Carpathian Vitality Ltd | Manufacturing | 2025 |
| Carrara Property Investments Limited | Real estate | 2019 |
| Carter Legacy Co. Ltd | Professional & scientific | 2022 |
| Carter Piling Operators Ltd | Construction | 2025 |
| Casa Transilvania Limited | Wholesale & retail | 2026 |
| Cass&Curt Ltd | Health & social care | 2021 |
| Cassidy Traffic Management Ltd | Construction | 2024 |
| Cassidys Properties Ltd | Real estate | 2025 |
| Castle Construction Leigh Limited | Construction | 2026 |
| Catapult AI OS Ltd | Information & communication | 2026 |
| Cathy Brown Photography Ltd | Professional & scientific | 2020 |
| Catonlloyd Limited | Information & communication | 2015 |
| Cava Holdings Limited | Professional & scientific | 2020 |
| CB Community Fitness CIC | Arts & recreation | 2025 |
| CB Neuro Fitness Ltd | Arts & recreation | 2017 |
| CBE Consultants Limited | Professional & scientific | 2013 |
| CC Dynamic Limited | Information & communication | 2016 |
| CD Brick & Stone Limited | Wholesale & retail | 2021 |
| CDA Business Services Ltd | Other services | 2010 |
| Centurion UK Rentals & Services Limited | Administrative & support | 1995 |
| CEO Sovereign HQ Ltd | Professional & scientific | 2024 |
| Certifyd Consent Ltd | Wholesale & retail | 2026 |
| Cfcommercialandresidentialholdings Ltd | Real estate | 2024 |
| Chaldon Homes Limited | Real estate | 2003 |
| Chandler Investments Limited | Real estate | 2006 |
| Chapel Convenience (PVT) Ltd | Wholesale & retail | 2026 |
| Chapel Covenience Ltd | Wholesale & retail | 2023 |
| Chapel Foods Leigh Ltd | Hospitality | 2025 |
| Chapelgreen Contracts Ltd | Construction | 2012 |
| Chapelgreen Property Ltd | Real estate | 2024 |
| Chapelverde Holdings Ltd | Real estate | 2025 |
| Chapter II Ltd | Wholesale & retail | 2025 |
| Chassis and CAB Specialists Limited | Wholesale & retail | 1986 |
| Chavda's Trading Limited | Wholesale & retail | 2016 |
| CHB Property Services Ltd | Construction | 2022 |
| Cherry Lodge Properties Limited | Professional & scientific | 2004 |
| Cherry Lodge Rest Home Limited | Health & social care | 2009 |
| Cheryls (Leigh) Ltd | Wholesale & retail | 2011 |
| Cheshire Care Limited | Administrative & support | 1992 |