| 520 Ember Ltd | Real estate | 2025 |
| About Digital Limited | Information & communication | 2012 |
| AGE of Gold International Limited | Wholesale & retail | 1989 |
| Amber Keats Ltd | Administrative & support | 2016 |
| ASH World Properties Limited | Real estate | 2025 |
| Aston Corporate Design Limited | Administrative & support | 2009 |
| Atkinson Consulting Limited | Professional & scientific | 2013 |
| Aylesbury Underfloor Heating Ltd | Construction | 2014 |
| Badrick Homes Limited | Real estate | 2019 |
| Big Design Productions Limited | Professional & scientific | 2013 |
| Brawn Consulting Limited | Administrative & support | 2016 |
| British Philharmonic Orchestra Limited | Arts & recreation | 2003 |
| Brito Food Company Ltd | Hospitality | 2025 |
| Brunel Securities Limited Liability Partnership | | 2007 |
| Celestia Technologies Group (UK) Limited | Information & communication | 2017 |
| Chris Needham Limited | Information & communication | 1998 |
| Clarkson Cleaver & Bowes Limited | Professional & scientific | 1999 |
| Colton Mastering Limited | Information & communication | 2018 |
| Consilium Leisure Limited | Administrative & support | 2021 |
| Coppola Limited | Wholesale & retail | 2024 |
| COX & Co Ventures Limited | Information & communication | 2023 |
| Craftsmen Properties Limited | Construction | 2019 |
| Creative INK Limited | Information & communication | 2003 |
| Databyte Computing Limited | Information & communication | 1992 |
| DGT Healthcare Limited | Professional & scientific | 2016 |
| Diligair Consultancy Limited | Professional & scientific | 2014 |
| DMM London Ltd | Other services | 2009 |
| Doronicum Consultancy Ltd | Professional & scientific | 2021 |
| Elaborate Communications Limited | Professional & scientific | 2004 |
| Elaborate Holdings Ltd | Financial services | 2023 |
| Elite Physical Medicine Limited | Health & social care | 2008 |
| Envirance Ventures Ltd | Professional & scientific | 2013 |
| Evolution Applied Ltd | Professional & scientific | 2013 |
| Farming Electronics and Software Limited | Information & communication | 2017 |
| Farming Systems Limited | Information & communication | 2014 |
| FJA & SON Limited | Real estate | 2016 |
| FM2X Limited | Extraterritorial | 2007 |
| Ganduxer Limited | Professional & scientific | 2008 |
| Garratt Consultants Limited | Information & communication | 1996 |
| Genesis Park Blakelands (Management) Limited | Real estate | 2008 |
| Greenflow Auto Fuel Systems Limited | Extraterritorial | 2008 |
| Hearth and Home Holdings Ltd | Households | 2019 |
| Hester Management Services Limited | Professional & scientific | 2015 |
| Hyperscalar Limited | Information & communication | 2019 |
| Iki-Yan Communications Limited | Information & communication | 1994 |
| Iki-Yan Properties Limited | Real estate | 2007 |
| Incendo Europe Limited | Administrative & support | 2013 |
| Innovus Consulting Limited | Professional & scientific | 2007 |
| Intengo Holdings Limited | Extraterritorial | 2015 |
| Intengo Transactions Limited | Professional & scientific | 2008 |
| Ioanna Kostaki Limited | Information & communication | 2018 |
| Jealous Llama Limited | Information & communication | 2014 |
| Jkot Limited | Administrative & support | 2018 |
| Joanna Goodchild Interiors Limited | Other services | 2021 |
| K Chauhan Limited | Information & communication | 2018 |
| K P I M Ltd | Extraterritorial | 2003 |
| Kate Lownds Limited | Information & communication | 2016 |
| Kernel Supply Chain Consulting Limited | Professional & scientific | 2010 |
| LBR Projects Limited | Professional & scientific | 2003 |
| Lesley Morris Associates Limited | Professional & scientific | 2001 |
| Lofopi Ltd | Information & communication | 2009 |
| LTG Associates Limited | Extraterritorial | 2010 |
| M F Dressage Ltd | Education | 2020 |
| Matchday Essentials Limited | Manufacturing | 2022 |
| Miakoda Designs Limited | Professional & scientific | 2006 |
| Miles Rail Ltd | Transport & logistics | 2013 |
| Millennia SC Limited | Professional & scientific | 2009 |
| Milo Business Services Limited | Professional & scientific | 2018 |
| Mindflint II Limited | Professional & scientific | 2017 |
| Mindflint Limited | Extraterritorial | 2014 |
| Morgan Architectural Designs Ltd. | Professional & scientific | 2012 |
| Mortimers (Aylesbury) Limited | Real estate | 2006 |
| Nagatech (UK) Ltd | Education | 2003 |
| Naom Ltd | Professional & scientific | 2004 |
| Numberwork UK Limited | Professional & scientific | 2003 |
| Nutrigenomic Medicine Limited | Professional & scientific | 2009 |
| Opal Art Ltd | Education | 2021 |
| Orchard Estate Holdings Limited | Real estate | 2022 |
| Orthosportslab Limited | Extraterritorial | 2018 |
| Osborne and Shellard Ltd | Construction | 2015 |
| Oving Consulting Limited | Professional & scientific | 2009 |
| P92 Group UK Limited | Information & communication | 2016 |
| PALAEO7 LLP | | 2017 |
| PB Conversions Limited | Wholesale & retail | 2009 |
| People Perception Limited | Professional & scientific | 2018 |
| Planet Refill Group Limited | Wholesale & retail | 2023 |
| PRL Consulting Limited | Information & communication | 2026 |
| Professional Rooms.Com Limited | Extraterritorial | 2011 |
| Project Accelerate Limited | Professional & scientific | 2013 |
| Promontory Limited | Professional & scientific | 2008 |
| Quinlan Garden Services Limited | Administrative & support | 2014 |
| QW Invest LLP | | 2008 |
| Rehab MED Limited | Health & social care | 2017 |
| Richard Marshall Coaching Ltd | Professional & scientific | 2016 |
| Ridgway Property Developments Limited | Construction | 2019 |
| Rocket Editorial Limited | Arts & recreation | 2002 |
| Saber Partners Limited | Professional & scientific | 2019 |
| Sarnia Consulting Limited | Professional & scientific | 2019 |
| Sessorium Limited | Professional & scientific | 2016 |
| Seven Hills Capital Limited | Professional & scientific | 2012 |