| Company | Timeline | Status | |
| Turner & Townsend Partners LLP Non-designated LLP Member • Unreported | 31 Jan 2023←2 Years 10 Months→Current | Active | |
| Alinea Consulting LLP Designated LLP Member • Unreported | 12 Apr 2013←9 Years→31 Jan 2023 | Active | |
| Arcadis LLP Non-designated LLP Member • Unreported | 23 Nov 2011←1 Year 5 Months→4 May 2013 | Active | |
| Eebee Partners LLP Non-designated LLP Member • Unreported | 1 May 2011←1 Year 2 Months→4 Jul 2012 | Liquidation | |
| Aecom Professional Services LLP Non-designated LLP Member • Unreported | 1 Jul 2006←4 Years→6 Oct 2010 | Active | |
