| Atwal MN Limited | Hospitality | 2020 |
| Auto Cottage Limited | Wholesale & retail | 2014 |
| Autolink Automatics Limited | Wholesale & retail | 2012 |
| Averley Qwara Healthcare Ltd | Health & social care | 2022 |
| Ayresome Products Ltd | Arts & recreation | 2008 |
| Ayyappa Minimart Ltd | Wholesale & retail | 2025 |
| Azra Fish Bar Ltd | Hospitality | 2013 |
| Azure International Limited | Manufacturing | 1993 |
| B a Fitch Limited | Wholesale & retail | 2014 |
| B Future Innovation UK Ltd | Wholesale & retail | 2024 |
| Badlees Brewing Limited | Manufacturing | 2025 |
| Bafi-Show Solutions Ltd | Wholesale & retail | 2026 |
| Baitmate Ltd | Administrative & support | 2025 |
| Baker Developments South East Ltd | Construction | 2023 |
| Ballbros Ltd | Real estate | 2026 |
| Barden Management Limited | Other services | 2002 |
| Barfur Ltd | Transport & logistics | 2024 |
| Barham Protection Services Ltd | Administrative & support | 2023 |
| Bark N Bubbles Pet Grooming Ltd | Other services | 2025 |
| Bastion Civil Engineering Ltd | Construction | 2023 |
| BCB Scaffolding Ltd | Construction | 2015 |
| BCG Consulting Ltd | Professional & scientific | 2015 |
| BE Body Confident Campaign CIC | Arts & recreation | 2025 |
| BE Local Kent Ltd | Wholesale & retail | 2021 |
| Beacon Bridge Holdings Limited | Financial services | 2026 |
| Beacon Bridge Property Limited | Real estate | 2026 |
| Beacon Property Investments & Management Ltd | Real estate | 2026 |
| Beagle Property Rental Ltd | Real estate | 2022 |
| Beauty Poetry Ltd | Other services | 2018 |
| Beautybykels Limited | Other services | 2025 |
| BEE CEE Commercials Limited | Wholesale & retail | 2022 |
| BEE Ceestorage Limited | Transport & logistics | 2020 |
| Beeline Home Improvements Ltd | Construction | 2024 |
| Beez Neez (Kent) Ltd | Other services | 2009 |
| Bensproperty Limited | Other services | 2020 |
| Berllaque Properties Ltd | Real estate | 2020 |
| Bespoke Beauty Construction Ltd | Manufacturing | 2020 |
| Bespoke Bikes UK Ltd | Wholesale & retail | 2019 |
| Beyond a Box Ltd | Construction | 2024 |
| BFG Estates Ltd | Real estate | 2025 |
| BFG Solutions Ltd | Wholesale & retail | 2025 |
| Bhatia Tuition Ltd | Education | 2014 |
| Billing & Co Limited | Professional & scientific | 2012 |
| Billy's Bakehouse Ltd | Hospitality | 2015 |
| BIN Cleaned Kent Ltd | Administrative & support | 2025 |
| BIS Consult Ltd | Professional & scientific | 2025 |
| Bismillah Car Port Ltd | Wholesale & retail | 2026 |
| Bits & Bobs (Kent) Ltd | Wholesale & retail | 2024 |
| Bland's Property Ltd | Real estate | 2019 |
| Blays Carpentry & Construction Ltd | Construction | 2025 |
| BLC Haulage Ltd | Transport & logistics | 2025 |
| BLM Mangal Ltd | Hospitality | 2023 |
| Blossom Hill Floral Design Ltd | Wholesale & retail | 2025 |
| Blue Raven Aesthetics Ltd | Health & social care | 2022 |
| Blue Raven Dental and Facial Cosmetics Ltd | Health & social care | 2019 |
| Blue Raven Dental Training Academy Ltd | Education | 2021 |
| Blue Town Remembered | Arts & recreation | 2010 |
| BOB Coates Motors Ltd | Wholesale & retail | 2013 |
| Boldglen Limited | Administrative & support | 1988 |
| Bond Display Cabinets Limited | Extraterritorial | 2013 |
| Bond Industries Limited | Extraterritorial | 2015 |
| Bond Retail Holdings Limited | Financial services | 2020 |
| Bond Retail Services Limited | Manufacturing | 1999 |
| Boogie Tots Ltd | Arts & recreation | 2022 |
| Bostock Electrical Ltd | Construction | 2012 |
| Boyce's Bakery Limited | Manufacturing | 2001 |
| BPA Plastics Ltd | Wholesale & retail | 2021 |
| Brackley Accounting Limited | Professional & scientific | 2012 |
| Brackley Tipping Services Limited | Water & waste | 2014 |
| Bradley J Taylor Jewellery Ltd | Wholesale & retail | 2017 |
| Brambledown Car Wash Ltd | Wholesale & retail | 2021 |
| Brandonvale Limited | Hospitality | 1983 |
| BRH Plumbing & Heating Ltd | Construction | 2025 |
| Bridge Country Parks Ltd | Hospitality | 2023 |
| Bright Bridge HR Consultancy Limited | Professional & scientific | 2026 |
| Britannia Caravan Parks Ltd | Real estate | 2021 |
| British Association of Construction Heads Limited | Other services | 2024 |
| Broadway Investments (UK) Limited | Real estate | 1995 |
| Bronco Plant Limited | Manufacturing | 2025 |
| Brooks Installations Ltd | Construction | 2022 |
| Brookwood Group Ltd | Wholesale & retail | 2024 |
| Bubbooz Limited | Health & social care | 2021 |
| Budania Group Limited | Hospitality | 2024 |
| Build Your Presence Ltd | Information & communication | 2019 |
| Bumat Healthcare Ltd | Health & social care | 2019 |
| Burns Jesse Ltd | Construction | 2025 |
| Business Solutions Technology Limited | Professional & scientific | 2019 |
| Butler-Hills Limited | Construction | 2024 |
| Butterz Beauty Ltd | Wholesale & retail | 2020 |
| Button & Family Funeral Services Limited | Other services | 2021 |
| BWC Carpentry Limited | Manufacturing | 2022 |
| Bwilsonconsult Ltd | Professional & scientific | 2026 |
| BZB Media Ltd | Wholesale & retail | 2008 |
| C.D. Supplies (Holdings) Limited | Administrative & support | 2011 |
| C.D. Supplies Limited | Wholesale & retail | 1990 |
| Caffeine Nights Limited | Information & communication | 2013 |
| Camacel Limited | Health & social care | 2016 |
| Camping by the River Limited | Hospitality | 2025 |
| Cams Nail Supply Limited | Wholesale & retail | 2014 |
| Canham Renovations Limited | Construction | 2022 |