| Award Leisure Limited | Extraterritorial | 2024 |
| Azaya Ruby Ltd | Wholesale & retail | 2023 |
| B & G Cleaning Limited | Wholesale & retail | 2012 |
| B & G Cleaning Systems Limited | Manufacturing | 1990 |
| B2BAREFOOT Ltd | Wholesale & retail | 2025 |
| BAC Collaboration Services Limited | Information & communication | 2021 |
| Back to Health (UK) Ltd | Health & social care | 2014 |
| Baginton Green Limited | Construction | 2008 |
| Bahari Heat and EAT Ltd | Hospitality | 2025 |
| Balljoint Interiors Ltd | Manufacturing | 2012 |
| Banjo Paraplanning Limited | Financial services | 2016 |
| Barnstone Solutions Ltd | Professional & scientific | 2019 |
| Barriers and Gates Direct Limited | Administrative & support | 2025 |
| Barton Broads Limited | Extraterritorial | 1973 |
| Barton Hover Engineering Limited | | 1969 |
| Barworkbenches Ltd | Manufacturing | 2025 |
| Bashs Barbers Ltd | Other services | 2025 |
| Battlefield Exterior Cleaning Ltd | Administrative & support | 2025 |
| Baxterley Homes Limited | Households | 2023 |
| Bayley Consulting Limited | Real estate | 1997 |
| BDB Lettings Limited | Real estate | 2026 |
| Beaut Skin Clinic Limited | Other services | 2018 |
| BEC Engineering & Design Limited | Administrative & support | 2009 |
| Beeswaxbayfarm Ltd | Agriculture & fishing | 2025 |
| Beetroute Logistics Ltd | Wholesale & retail | 2013 |
| BEN Stockford Ltd | Information & communication | 2021 |
| Benedykt and Sylvester Ltd | Manufacturing | 2020 |
| Bengley Driving Services for Motoring Limited | Transport & logistics | 2025 |
| Benjamin Ralph Ltd | Other services | 2015 |
| Best British Hot Tubs Ltd | Manufacturing | 2016 |
| Bestinput Limited | Professional & scientific | 2019 |
| Biazoru Ltd | Health & social care | 2016 |
| Bijoux Home Limited | Wholesale & retail | 2014 |
| Birmingham Roofing Ltd | Construction | 2006 |
| Bishops Meadow (Austrey) Limited | Households | 2019 |
| Black Moose Cycles Ltd | Manufacturing | 2019 |
| Blue Way Jones Ltd | Real estate | 2024 |
| Blyth Hall Management Services Limited | Other services | 2024 |
| Bog's Chocolate Limited | Manufacturing | 2025 |
| Bosworth Marina Limited | Administrative & support | 2006 |
| BR Espresso Bars Limited | Hospitality | 2018 |
| Breezo Direct Ltd | Wholesale & retail | 2026 |
| Brendsco Limited | Construction | 2024 |
| BRW Engineering Limited | Professional & scientific | 2017 |
| Buckeys Ltd | Hospitality | 2025 |
| Butterworth & Coyle Homes Ltd | Construction | 2023 |
| C & D Construction Services Ltd | Construction | 2019 |
| C F Bastock Limited | Construction | 2010 |
| C F G Property Services Ltd | Real estate | 2021 |
| C F Pipework Limited | Construction | 2021 |
| C F S Mechanical Services Limited | Professional & scientific | 2015 |
| C H Consulting Services Limited | Professional & scientific | 2022 |
| C J J Properties Limited | Administrative & support | 2005 |
| C J Lyons Estate Agents Ltd | Real estate | 2025 |
| C.C. Liggins Electrical Engineering Limited | Professional & scientific | 1992 |
| C.I.Electrical Services Limited | Construction | 2020 |
| C2D Ltd | Construction | 2026 |
| CA Sales Limited | Administrative & support | 2022 |
| Caladrius Ltd | Professional & scientific | 2011 |
| Camm Developers Limited | Construction | 2006 |
| Candr Pictures Limited | Information & communication | 2016 |
| Capital 1 Recruitment Ltd | Administrative & support | 2026 |
| Capital Campers Limited | Wholesale & retail | 2017 |
| Caravan Sales Centre Limited | Extraterritorial | 2007 |
| Carbon LOGISTICS01 Ltd | Wholesale & retail | 2022 |
| Caremed Alrick (UK) Ltd | Health & social care | 2017 |
| Carian Health and Safety Ltd | Professional & scientific | 2018 |
| Carlyon Atherstone Limited | Real estate | 2013 |
| Carlyon Property LLP | | 2014 |
| CARS2INSTANTCASH Ltd | Wholesale & retail | 2020 |
| CB Signalling Limited | Transport & logistics | 2014 |
| Cell Maintenance Services Ltd | Manufacturing | 2023 |
| Center Gravity Limited | Wholesale & retail | 2005 |
| Central & Midland (Baddesley) Limited | Administrative & support | 1997 |
| Central Auto Replacements (UK) Limited | Professional & scientific | 2015 |
| Central Plant Services Limited | Manufacturing | 2010 |
| Centurion Services Limited | Construction | 1999 |
| Ceramic Filter Technology Ltd | Construction | 2014 |
| CH Control Solutions Limited | Professional & scientific | 2013 |
| Chapel Mews (Baddesley) Limited | Households | 2017 |
| Charles Hill Machine Tool Services Ltd | Manufacturing | 2004 |
| Charlie Connor and Aaron Ltd | Financial services | 2025 |
| Checkmate Training Limited | Education | 2006 |
| Cheneler Products Limited | Manufacturing | 1986 |
| Cherished Way Ltd | Hospitality | 2026 |
| Cherum Maze Limited | Professional & scientific | 2024 |
| Cherum Maze Property Limited | Real estate | 2024 |
| Chetwynd Transport Limited | Transport & logistics | 2007 |
| Chile Weebles Limited | Extraterritorial | 2017 |
| Chocnchuckle Ltd | Wholesale & retail | 2026 |
| Choyce Consultancy Limited | Professional & scientific | 2018 |
| Chris Mcavoy Lettings Ltd | Real estate | 2016 |
| Christine Jones Limited | Other services | 2010 |
| Circle of Justice Ltd | Education | 2013 |
| Citygates Homes Ltd | Real estate | 2023 |
| CJR Car Cosmetics Ltd | Administrative & support | 2023 |
| CJS Financial Services Ltd | Financial services | 2018 |
| Ckkj Solutions Ltd | Information & communication | 2017 |
| Clares Barn Limited | Agriculture & fishing | 2008 |
| Clean and CUT Limited | Administrative & support | 2017 |