| 19 HS Epsom Limited | Real estate | 2023 |
| A Star Tuition Services Ltd | Education | 2019 |
| Aaslm Training Services Limited | Transport & logistics | 2025 |
| ABBA8 Ltd | Administrative & support | 2018 |
| Abdul Ghani Limited | Health & social care | 2008 |
| Above & Beyond Executive Cars Ltd | Transport & logistics | 2024 |
| Absolute PPM Services Ltd | Information & communication | 2021 |
| Absolute Sports Travel Ltd | Administrative & support | 2014 |
| Absolute Travel and Tours Limited | Administrative & support | 1992 |
| Accountancy and Costs Lawyer Services Limited | Professional & scientific | 2013 |
| Aegis Compliance Ltd | Professional & scientific | 2026 |
| Aerospace Surface Treatments Ltd. | Extraterritorial | 1996 |
| AFI Defenders Limited | Wholesale & retail | 2021 |
| Aircraft Engineering Services Limited | Manufacturing | 2018 |
| Aity Networks Limited | Wholesale & retail | 2021 |
| Alan Moulsdale Consulting Limited | Information & communication | 2016 |
| Alchemy Civil Engineering Ltd | Professional & scientific | 2022 |
| ALL Over IT Production Ltd | Arts & recreation | 2009 |
| All-Cab Consulting Limited | Administrative & support | 2014 |
| Allonzy Ltd | Information & communication | 2023 |
| Alsa Commercial Ltd | Real estate | 2026 |
| Altone Limited | Manufacturing | 2001 |
| Amaris Global Limited | Financial services | 2025 |
| AMI Vehicle Leasing Ltd | Administrative & support | 2012 |
| Amrita Amma Limited | Health & social care | 2022 |
| Amta Electrical Ltd | Construction | 2023 |
| Amumford Psychology Limited | Education | 2023 |
| Andrew Sabatier Limited | Administrative & support | 2007 |
| Andy Bingham Consulting Limited | Professional & scientific | 2019 |
| Anglia NDT Limited | Wholesale & retail | 2003 |
| Anita's Coach & Mini BUS Hire Limited | Transport & logistics | 1986 |
| AP Works Ltd | Administrative & support | 2026 |
| Aperio Software Limited | Information & communication | 2017 |
| Appitek Ltd | Administrative & support | 2017 |
| ARD Systems Limited | Wholesale & retail | 2002 |
| Arkfield London Ltd | Administrative & support | 2026 |
| Artel Facilities Management Limited | Energy | 2015 |
| Artiseq Ltd | Information & communication | 2017 |
| AS From Limited | Financial services | 2010 |
| AS Online Consultancy Limited | Professional & scientific | 2022 |
| Atlas Security Group Ltd | Administrative & support | 2026 |
| August Ponds Ltd | Construction | 2022 |
| Autocheckmateexpert Limited | Hospitality | 2022 |
| AVS Stansted Ltd | Wholesale & retail | 2019 |
| AWA Herts Ltd | Arts & recreation | 2019 |
| Axeon Maintenance Limited | Construction | 2017 |
| B D U Imports Limited | Wholesale & retail | 2004 |
| B Street Group Ltd | Hospitality | 2024 |
| B-Solar Energy Installations Ltd | Construction | 2021 |
| Bargehouse Ltd | Real estate | 2024 |
| Barry Whitehead Contractors Limited | Construction | 2004 |
| Barwick Engineering Limited | Manufacturing | 2007 |
| Bath and Design Ltd | Extraterritorial | 2025 |
| Bath Press Residents Management Company Limited | Households | 2025 |
| Bccaravans Ltd | Wholesale & retail | 2026 |
| Beat the Bookie Ltd | Information & communication | 2025 |
| Beauty Editor Group Ltd | Other services | 2019 |
| Because Yolo Global Travel Ltd | Administrative & support | 2025 |
| Bezak Ltd | Transport & logistics | 2018 |
| Billerton Holdings Limited | Real estate | 2026 |
| BIO Aktiv International Ltd. | Professional & scientific | 2008 |
| Bishops Homes Ltd | Hospitality | 2018 |
| Bluerock Investments Ltd | Real estate | 2020 |
| Botha-Pietersen Limited | Health & social care | 2018 |
| Boulter Property Group Limited | Construction | 2021 |
| Bowman Artwork Ltd | Arts & recreation | 2020 |
| BPG 1 Epsom Limited | Real estate | 2024 |
| Bpxds Limited | Construction | 2026 |
| Brad at Franklins Limited | Wholesale & retail | 2023 |
| Bradgate Building Services Limited | Professional & scientific | 1992 |
| Bradgate Facility Management Ltd | Construction | 1992 |
| Bradgate Limited | Construction | 1992 |
| Bradgatefm Limited | Professional & scientific | 2016 |
| Bray (Albury) Co. Limited | Construction | 1991 |
| Bray Construction & Ptns Limited | Construction | 2021 |
| Bray Construction Co. Ltd. | Construction | 1995 |
| Briford Limited | Administrative & support | 1993 |
| British Virgin Islands Holidays Limited | Administrative & support | 1994 |
| Brlc Ltd | Other services | 2025 |
| Bromar Investments Limited | Real estate | 2021 |
| Bromley Farms Ltd | Agriculture & fishing | 2020 |
| Brown OWL Creative Ltd | Professional & scientific | 2012 |
| Burton Barns Management Limited | Professional & scientific | 2001 |
| Business Change Capability Limited | Administrative & support | 2014 |
| Butlers Investments Limited | Real estate | 2003 |
| Buzz Elevate Media Ltd | Professional & scientific | 2025 |
| Cabin Crew International Ltd | Education | 2018 |
| Cafe Yeomans Limited | Hospitality | 2012 |
| Calleigh's of Stansted Limited | Hospitality | 2022 |
| Callow Youth Productions Ltd | Information & communication | 2018 |
| Cambridge Conveyancing Ltd | Professional & scientific | 2024 |
| Camwood Home Improvements Ltd | Construction | 2022 |
| Capcon Drainage Limited | Professional & scientific | 2021 |
| Casemasters (Stansted) Limited | Real estate | 2025 |
| Casemasters Limited | Real estate | 1965 |
| Castle Walk (Stansted) Management Company Ltd | Households | 2018 |
| Caton Properties 2019 Limited | Real estate | 2019 |
| CBA Cawkell Limited | Professional & scientific | 2018 |
| Ceilite Air Conditioning Limited | Administrative & support | 1980 |
| Ceilite Holdings Limited | Financial services | 2012 |