| 11MJM Ltd | Real estate | 2023 |
| 12 Orchards Limited | Professional & scientific | 2015 |
| 171-173 Bermondsey Street Limited | Real estate | 2005 |
| 20 Brick Ltd | Wholesale & retail | 2020 |
| 2THEALPS Limited | Information & communication | 2017 |
| 3000 Limited | Arts & recreation | 2008 |
| 360EAST Ltd | Professional & scientific | 2022 |
| 3AT Solutions Ltd | Wholesale & retail | 2019 |
| 4X4 Pro Ltd | Wholesale & retail | 2022 |
| 8-10 Pope Street Limited | Construction | 2018 |
| A & D PSV Services Limited | Wholesale & retail | 2024 |
| A & S Electrical Contractors Limited | Construction | 2015 |
| A I W Transport Services Limited | Water & waste | 2000 |
| AAA Business Plans Ltd | Administrative & support | 2018 |
| Abrahams J Limited | Wholesale & retail | 2022 |
| Accumulated Knowledge Ltd | Wholesale & retail | 2025 |
| Acorn Village (Acorns) Limited | Wholesale & retail | 2007 |
| Acorn Village (Trading) Limited | Hospitality | 1994 |
| Acorn Villages Limited | Health & social care | 1972 |
| Action Outdoors Limited | Wholesale & retail | 2003 |
| Adam DRY IT Limited | Information & communication | 2014 |
| Adapt Plumbing and Heating Limited | Construction | 2019 |
| Adelya Limited | Financial services | 2018 |
| Advance Marketing Design & Advertising Ltd | Professional & scientific | 2008 |
| Advance Mobility Club Ltd | Manufacturing | 2025 |
| Agentic Tech Solutions Ltd | Wholesale & retail | 2026 |
| Agripep UK Ltd | Wholesale & retail | 2016 |
| Airtrax Engineering Ltd | Professional & scientific | 2015 |
| AJC Transport and Storage Limited | Administrative & support | 2017 |
| Ajora Ltd | Wholesale & retail | 2020 |
| Algroup Window Installation Ltd | Construction | 2018 |
| Almanac Properties Limited | Real estate | 2015 |
| Altorian Financial Management Limited | Professional & scientific | 2002 |
| AM of Boisdale Limited | Professional & scientific | 2009 |
| AMC Advisors Limited | Professional & scientific | 2010 |
| AMM Water Marine Engineering Limited | Professional & scientific | 2023 |
| Amos Electrical Ltd | Manufacturing | 2015 |
| Amplify the People Limited | Education | 2025 |
| ANA DE Costa Fine Jewellery Ltd | Manufacturing | 2010 |
| Andrew Davidson & SON Limited | Agriculture & fishing | 1956 |
| Anglia Adventures Limited | Administrative & support | 2008 |
| Anglia Produce Limited | Wholesale & retail | 2006 |
| Anglian Interiors Finishes Ltd | Construction | 2012 |
| Anglian Timber Limited | Manufacturing | 1988 |
| Angliawide Epcs Limited | Professional & scientific | 2013 |
| Antiques Warehouse Limited | Wholesale & retail | 2018 |
| Apex Installations Ltd | Construction | 2026 |
| Archimedes Logistics Ltd | Professional & scientific | 2010 |
| Arlo’S Enterprises Ltd | Hospitality | 2025 |
| Arribacom Limited | Information & communication | 2012 |
| Artisan Building Company Limited | Construction | 2022 |
| AS Commercial Cleaning Limited | Administrative & support | 2017 |
| AS Domestic Cleaning Ltd | Administrative & support | 2018 |
| AS Grounds and Maintenance Ltd | Administrative & support | 2021 |
| ASH House RTM Company Limited | Extraterritorial | 2011 |
| Aspire Auto Design Ltd | Manufacturing | 2024 |
| Aspire Property Ltd | Real estate | 2011 |
| Aston Spencer London Ltd | Arts & recreation | 2022 |
| Astro Events Ltd | Manufacturing | 2010 |
| Automation Products & Accessories Limited | Wholesale & retail | 2014 |
| AV EXP Limited | Administrative & support | 2015 |
| Avalon Vintners Ltd | Education | 2023 |
| Avocet Contracts Limited | Agriculture & fishing | 2012 |
| AW Landscaping Ltd | Administrative & support | 2016 |
| Axiovolt Ltd | Information & communication | 2026 |
| B&Sw Limited | Professional & scientific | 2002 |
| Baahn Limited | Construction | 2019 |
| Bailye Court Management Company Limited | Real estate | 2022 |
| Bakers Yard Limited(The) | Real estate | 1979 |
| Baktiyar Ltd | Hospitality | 2026 |
| Bang Bang Shiny Shiny Limited | Health & social care | 2014 |
| BAO Long Limited | Hospitality | 2026 |
| Barfield Engineering Company Limited | Construction | 1976 |
| Barleyfields (Weeley) Management Company Limited | Households | 2016 |
| Barleyfields Phase 2 Management Company Limited | Households | 2024 |
| Bdowney Limited | Health & social care | 2017 |
| Beacon Hill Stoves Limited | Construction | 2023 |
| Beaumontpoole Limited | Arts & recreation | 2011 |
| Beauty by Bethany MAI Ltd | Other services | 2025 |
| Beech House RTM Company Limited | Extraterritorial | 2011 |
| Belle & BOO Limited | Wholesale & retail | 2007 |
| Bentley Consultancy Limited | Financial services | 2021 |
| Bentley Photographic Limited | Professional & scientific | 1999 |
| Bentley Technologies Limited | Information & communication | 2020 |
| Bespoke Care Solutions Limited | Health & social care | 2017 |
| BH Pizza Ltd | Hospitality | 2024 |
| Bigga Mats Limited | Wholesale & retail | 2024 |
| BITS4BIMMERS Ltd | Wholesale & retail | 2018 |
| Black BEE Limited | Information & communication | 2004 |
| Black Cat Communications Ltd | Professional & scientific | 2009 |
| Blackwater Business Services Limited | Professional & scientific | 2004 |
| Blessed AV Properties Limited | Real estate | 2023 |
| Bloody Bens Limited | Manufacturing | 2017 |
| Blueline Building Services Ltd | Construction | 2020 |
| Blueline Landscapes Ltd | Administrative & support | 2020 |
| Blueline Maintenance Ltd | Construction | 2016 |
| BMM Ltd | Administrative & support | 2017 |
| Bolivia Land Limited | Construction | 2026 |
| BOXBUY17 Limited | Wholesale & retail | 2024 |
| Boxted Park Management Ltd | Households | 2025 |