| Acentro Limited | Manufacturing | 2004 |
| Alloy Weldcraft Limited | Professional & scientific | 2011 |
| Appleby Electrical (Bucks) Limited | Construction | 2014 |
| Aspirations Coaching Limited | Health & social care | 2008 |
| Benchmark Heating Services Limited | Construction | 2017 |
| Catchpole Construction Limited | Construction | 2015 |
| Colin H Bell Limited | Construction | 2013 |
| Cripps Financial Planning Limited | Financial services | 2014 |
| G & K Building Construction Limited | Construction | 2014 |
| Glaunaturel Limited | Professional & scientific | 2019 |
| JON LAY Consulting Limited | Professional & scientific | 2016 |
| Kings Langley Scaffolding Limited | Construction | 2013 |
| Kite Scaffolding Ltd | Construction | 2013 |
| Larkby Limited | Professional & scientific | 2005 |
| Latimer Engineering Limited | Professional & scientific | 2012 |
| Mark.F Ltd | Professional & scientific | 2016 |
| More Than Maintenance Ltd | Construction | 2021 |
| MSB Advisory Services Ltd | Professional & scientific | 2021 |
| P-Chi Limited | Wholesale & retail | 2002 |
| POP Marketing Ltd | Administrative & support | 2019 |
| ROB Berridge Plumbing & Heating Limited | Professional & scientific | 2008 |
| SJC Cleaning Limited | Administrative & support | 2022 |
| Sloane & Associates (U.K.) Limited | Professional & scientific | 2007 |
| Space Elevator Limited | Arts & recreation | 2018 |
| Swift Business Services Limited | Administrative & support | 1989 |