| Bethany Services Ltd | Transport & logistics | 2024 |
| Bevolve Investments Ltd | Real estate | 2024 |
| Bevolve Stays Ltd | Real estate | 2025 |
| Bhavik J Shah Family Office (UK) Ltd | Financial services | 2013 |
| Biodynamics Limited | Education | 1987 |
| Birdi & Partners Ltd | Professional & scientific | 2022 |
| Biryani House Wembley Ltd | Hospitality | 2026 |
| BIT Random Ltd | Information & communication | 2022 |
| Blackbird CM2 Ltd | Hospitality | 2026 |
| Blackmount Recruitment Ltd | Administrative & support | 2026 |
| Blakesley Management Limited | Households | 1987 |
| Bluecloud Technologies Ltd | Information & communication | 2017 |
| BMS Minimega Shop Ltd | Wholesale & retail | 2022 |
| Bodyline Fitness Limited | Arts & recreation | 2005 |
| Bond Investment Holdings Ltd | Real estate | 2020 |
| Boomac Limited | Professional & scientific | 2019 |
| Boost in Business Limited | Professional & scientific | 2023 |
| Bosham Shed Company Limited | Real estate | 2015 |
| Bossman Barber Ltd | Other services | 2025 |
| Bramber Developments Ltd | Construction | 2026 |
| Brenda Mcleod and Co Ltd | Real estate | 2023 |
| Brikom Investments Limited | Professional & scientific | 1961 |
| Broadway Living RP Limited | Real estate | 2019 |
| Broadway Specsavers Limited | Wholesale & retail | 1995 |
| Broadway Visionplus Limited | Wholesale & retail | 1995 |
| Brooker Scaffolding Services Limited | Construction | 2007 |
| Bull & Bear Financial Ltd | Professional & scientific | 2016 |
| Buntzen Limited | Financial services | 2024 |
| Calico Sheffield Limited | Construction | 2020 |
| Caman Properties Limited | Real estate | 2015 |
| Cambridge House Residents Association Limited | Households | 1993 |
| Camden Consultancy Ltd | Professional & scientific | 2025 |
| CAN I BE Candid Ltd | Information & communication | 2025 |
| Car Jungle UK Ltd | Wholesale & retail | 2024 |
| Carlton Works Mill Apartments Limited | Real estate | 2019 |
| Castar Limited | Wholesale & retail | 2021 |
| Caxton Accountants Ltd | Professional & scientific | 2020 |
| CBA TV Ltd | Professional & scientific | 2022 |
| Chariton Investments Ltd | Financial services | 2014 |
| Charles Accountancy Limited | Professional & scientific | 2013 |
| Chek & Co Ltd | Professional & scientific | 2014 |
| Chinese & English Culture Services Ltd | Health & social care | 2002 |
| CHL Developments Limited | Construction | 2002 |
| Chuhs (UK) Company Limited | Real estate | 2021 |
| Cimt Limited | Financial services | 2021 |
| Class 22 Property Ltd | Real estate | 2026 |
| Cleanurbnb Limited | Administrative & support | 2025 |
| Cobras AP Ltd | Education | 2025 |
| Cognitionhub.Com Ltd | Information & communication | 2023 |
| Coin Cars Ltd | Wholesale & retail | 2017 |
| COME2HELP Ltd | Construction | 2024 |
| Community Activities Project Ealing (C.A.P.E.) | Health & social care | 1997 |
| Competitive Intelligence Services Limited | Professional & scientific | 1995 |
| Cook Styling Ltd. | Other services | 1999 |
| Copartnership Developments Limited | Construction | 1976 |
| Cornerstone International Ltd | Information & communication | 2007 |
| Cornwall House Freehold Limited | Households | 2012 |
| Counsellors.Ai Limited | Information & communication | 2024 |
| Cousins One Limited | Real estate | 2024 |
| Craven Road Finance Limited | Professional & scientific | 2025 |
| Creative Laboratory Limited | Administrative & support | 2012 |
| Critical Minerals Hub Limited | Information & communication | 2025 |
| Critical Minerals International Ltd | Mining & quarrying | 2024 |
| Crompton Street Apartments Limited | Real estate | 2019 |
| Crown Partnership Ltd | Real estate | 2024 |
| Crystal DRY Cleaning and Tailoring Ltd | Manufacturing | 2020 |
| Culmington Consulting Ltd | Professional & scientific | 2020 |
| Culmington Investments Ltd | Information & communication | 2021 |
| D & M Bars 3 Ltd | Hospitality | 2023 |
| D & M Inns Limited | Other services | 2021 |
| D.F.A. and Accounting Limited | Professional & scientific | 2010 |
| DA Hawaiian Shack Ltd | Hospitality | 2020 |
| DAD Shirt Media Limited | Information & communication | 2024 |
| DAN Fable Ltd | Arts & recreation | 2022 |
| Delta London Contractors Ltd | Construction | 2007 |
| DEM Inns Ltd | Real estate | 2023 |
| Derby Chambers Apartments Limited | Real estate | 2019 |
| Digi Lead Marketing Ltd | Information & communication | 2022 |
| Digital Enmasse Limited | Professional & scientific | 2011 |
| Diverse Tax & Business Accounting Services (Dtbas) Ltd | Professional & scientific | 2015 |
| DM Holdings Sandhurst Ltd | Financial services | 2025 |
| DO SO Films Ltd | Information & communication | 2018 |
| Doherty Construction Limited | Real estate | 1987 |
| Dolphin Money Transfer Ltd | Financial services | 2011 |
| Donart Wood Sand & Restore Ltd | Manufacturing | 2025 |
| Dotlinedot Ltd | Arts & recreation | 2015 |
| Drakes Management Ltd | Construction | 2011 |
| Dream Life Solutions Ltd | Wholesale & retail | 2017 |
| DSK Beauty Limited | Other services | 2023 |
| Dubmay Limited | Real estate | 2002 |
| E H London Services Ltd | Construction | 2024 |
| E Jones Limited | Health & social care | 2009 |
| Ealing Car Wash Limited | Administrative & support | 2024 |
| Ealing Distillery Ltd | Manufacturing | 2018 |
| Ealing Lawn Tennis Club Limited | Arts & recreation | 1982 |
| Ealing Paces Mrcp Limited | Education | 2012 |
| Earth N Leaf Ltd | Wholesale & retail | 2019 |
| Eastmountain Marketing Ltd | Professional & scientific | 2014 |
| Eaton Rise Limited | Manufacturing | 2018 |
| EB Trainings Ltd | Other services | 2025 |