| 10 Leamington Park Limited | Households | 2008 |
| 17 Newburgh Road Limited | Real estate | 2015 |
| 178 Coombe Lane West Limited | Construction | 2024 |
| 180 Coombe Lane West Limited | Construction | 2024 |
| 1WAYFIT Limited | Education | 2025 |
| 2 York Road Acton Ltd | Households | 2025 |
| 21/23 Cumberland Park Acton (Management) Limited | Households | 1994 |
| 30 and 30A Birkbeck Grove Limited | Real estate | 2008 |
| 35 Myrtle RD Ltd | Households | 2016 |
| 47 Paddenswick RD Flats 1-3 Limited | Real estate | 2026 |
| 47 Paddenswick Road Limited | Construction | 2024 |
| 9 Cumberland Road Freehold Limited | Households | 2020 |
| A Place to Stay Limited | Real estate | 2004 |
| A&N Design Ltd | Wholesale & retail | 2018 |
| A. P. Miller Limited | Other services | 2011 |
| A.Karwani Services Ltd | Health & social care | 2018 |
| A1V1 and Infosecurity Ltd | Education | 2015 |
| A3SK LLP | | 2026 |
| Absolutely NOT Bland Housing Ltd | Real estate | 2021 |
| ACT on Technology Limited | Professional & scientific | 2011 |
| Acton Cricket Club Limited | Arts & recreation | 2025 |
| Acton Oriental Stores (UK ) Ltd | Wholesale & retail | 2025 |
| Acton Palac Ltd | Hospitality | 2015 |
| Affix Workshop Works Ltd | Professional & scientific | 2016 |
| Agdp Ltd | Real estate | 2024 |
| AHK Home & Flooring Ltd | Wholesale & retail | 2019 |
| AI ALL Connect Ltd | Information & communication | 2022 |
| Albies Auto Body Ltd | Wholesale & retail | 2023 |
| Alkamist Ltd | Arts & recreation | 2016 |
| Alma Food Ltd | Hospitality | 2021 |
| Alqaysi Ltd | Professional & scientific | 2024 |
| Alternative Business Machines Limited | Administrative & support | 1987 |
| Andrew Stansfield TV Ltd | Information & communication | 2015 |
| Angels Therapists Ltd | Health & social care | 2025 |
| APA Translations Limited | Professional & scientific | 2003 |
| Arlo of London Ltd | Other services | 2007 |
| Art Photographic Ltd | Professional & scientific | 2024 |
| AS Claims UK Limited | Professional & scientific | 2025 |
| Asnal Limited | Professional & scientific | 2023 |
| Atelier of Being Ltd | Other services | 2021 |
| ATH Scenery Limited | Information & communication | 2014 |
| Azimuth Editions Limited | Information & communication | 1990 |
| Azza Businesses Ltd | Professional & scientific | 2025 |
| B&X Construction Ltd | Construction | 2015 |
| B&X Developments Ltd | Construction | 2022 |
| B&X Holdings Ltd | Financial services | 2022 |
| Bare GAS Promotions Ltd | Professional & scientific | 2018 |
| Bascomb & Drew Propco Ltd | Real estate | 2024 |
| Basses Ribes Limited | Construction | 2002 |
| Bayti Estates Ltd | Real estate | 2024 |
| BBQ Hot Ltd | Hospitality | 2021 |
| Beevers Accounting Services Limited | Professional & scientific | 2006 |
| Black Arrow House Holdco Limited | Real estate | 2025 |
| Black Arrow House Propco Limited | Real estate | 2025 |
| Black Stena Limited | Real estate | 2023 |
| Bollo Lane Studios Limited | Real estate | 1998 |
| Brain Dead Studios Limited | Wholesale & retail | 2020 |
| Brickridge Limited | Other services | 2004 |
| Britannia Investment Group Limited | Real estate | 2021 |
| Burlington Motors (Acton) Limited | Wholesale & retail | 2017 |
| Bushbash Academy CIC | Education | 2026 |
| Business Creation Solutions Ltd | Wholesale & retail | 2024 |
| Buttercup Buildings Limited | Real estate | 2000 |
| BVL Investments Holdings Limited | Financial services | 2020 |
| BVL Investments Limited | Real estate | 2018 |
| Castle ST Property Ltd | Real estate | 2024 |
| Cathy Walton Associates Limited | Professional & scientific | 2019 |
| Cato Productions Limited | Arts & recreation | 1998 |
| Caushi Ltd | Construction | 2024 |
| Centre for Armenian Information and Advice | Information & communication | 2001 |
| Cfolean Limited | Professional & scientific | 2014 |
| Chalfont Foodhalls Limited | Wholesale & retail | 1982 |
| Charge Core Ltd | Wholesale & retail | 2025 |
| Chatsworth Guesthouse Ltd | Real estate | 2021 |
| Classix ALB Ltd | Other services | 2013 |
| Clean Cuffs Ltd | Other services | 2022 |
| Clean Planet Recycling Ltd | Water & waste | 2024 |
| Clunies-Ross Design Limited | Real estate | 2012 |
| Cody Studios Acton Ltd | Education | 2022 |
| Collinson Management Limited | Real estate | 2022 |
| Comedy Tonight Ltd | Information & communication | 2023 |
| Composure Creative Ltd | Professional & scientific | 2010 |
| Cozy Homes & Contracts Ltd | Hospitality | 2019 |
| Craft Facades Limited | Construction | 2019 |
| Craft Infrastructure Limited | Construction | 2019 |
| Craft Metier Limited | Construction | 2019 |
| Crafted Homes London Ltd | Construction | 2023 |
| Crate Cricket Limited | Transport & logistics | 2021 |
| Crep Protect China Ltd | Wholesale & retail | 2020 |
| Crep Protect Limited | Wholesale & retail | 2014 |
| Crep Protect Partnerships Ltd | Administrative & support | 2019 |
| Crepto Ltd | Financial services | 2019 |
| CSI Property Limited | Real estate | 2001 |
| Cynea AI Ltd | Information & communication | 2025 |
| Cúpla Studio Ltd | Professional & scientific | 2021 |
| D & a Hair Salon Limited | Other services | 2014 |
| Daniel Mikael Ltd | Real estate | 2015 |
| Dawson Storage Limited | Real estate | 2023 |
| DC Homes & Investments Ltd | Real estate | 1990 |
| Debucare (Broadstairs) Ltd | Other services | 2022 |