| DENNETT, Paul ACTIVE | Director | 07 Jun 2024 | | United Kingdom | March 1971 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| HOGG, Peter William ACTIVE | Director | 01 Feb 2026 | | United Kingdom | September 1969 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| MANKU, Pritpal ACTIVE | Director | 29 Oct 2025 | | United Kingdom | August 1971 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| ALGHITA, Mahmoud Bakir Ahmad RESIGNED | Director | 18 Oct 2021 | 30 Jun 2024 | England | March 1963 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| BELLEW, Nicholas James RESIGNED | Director | 12 Aug 2019 | 18 Oct 2021 | Wales | March 1979 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| BENNION, Matthew John RESIGNED | Director | 21 Dec 2011 | 01 Jan 2013 | England | August 1971 | Echq, 34 York Way, London, N1 9AB, United Kingdom |
| BIMPSON, Simon Timothy RESIGNED | Director | 18 Oct 2021 | 01 Dec 2022 | United Kingdom | September 1974 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| BIMPSON, Simon Timothy RESIGNED | Director | 10 Oct 2021 | 01 Feb 2026 | United Kingdom | September 1974 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| BROMHEAD, Steven James RESIGNED | Director | 01 Nov 2018 | 18 Oct 2021 | England | December 1972 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| BROOKES, Alan Geoffrey RESIGNED | Director | 21 Dec 2011 | 01 Jan 2024 | England | November 1961 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| BROOKS, Keith Lawrence RESIGNED | Director | 01 Jan 2013 | 29 Feb 2016 | England | January 1966 | Arcadis House, 34 York Way, London, N1 9AB, England |
| CASH, Stewart RESIGNED | Director | 07 Jun 2024 | 29 Oct 2025 | United Kingdom | January 1973 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| CLARK, Anne Rosemary RESIGNED | Director | 23 May 2017 | 12 Aug 2019 | England | December 1964 | Arcadis House 34 York Way, London, N1 9AB, England |
| COWLARD, Mark Allan RESIGNED | Director | 21 Mar 2018 | 10 Aug 2022 | England | June 1969 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| HOTTENHUIS, Stephanie RESIGNED | Director | 01 Jun 2012 | 01 Jan 2015 | Netherlands | March 1965 | Echq, 34 York Way, London, N1 9AB, United Kingdom |
| MADDEN, Peter Vincent RESIGNED | Director | 01 Jul 2015 | 21 Jan 2019 | England | July 1961 | Arcadis House, 34 York Way, London, N1 9AB, England |
| MCARTHUR, Neil RESIGNED | Director | 21 Dec 2011 | 01 Jun 2012 | Netherlands | September 1961 | Echq, 34 York Way, London, N1 9AB, United Kingdom |
| MORGAN, Thomas Trevor RESIGNED | Director | 18 Oct 2021 | 30 Jun 2024 | United Kingdom | January 1975 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| RITTER, Stephan Karl Heinz RESIGNED | Director | 01 Jan 2015 | 11 Apr 2017 | Germany | June 1968 | Arcadis House, 34 York Way, London, N1 9AB, England |
| VREE, Renier RESIGNED | Director | 10 Oct 2011 | 11 Apr 2017 | The Netherlands | July 1964 | Symphony 97, - 103, Gustav Mahlerplein, Amsterdam, 1082 MS, The Netherlands |
| WHITTAKER, Sian RESIGNED | Director | 01 Dec 2022 | 06 Sep 2024 | United Kingdom | February 1981 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| WILLIAMS, Jennifer Ann RESIGNED | Director | 06 Sep 2024 | 01 Oct 2026 | England | July 1969 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| YOUELL, Philip Anthony RESIGNED | Director | 21 Dec 2011 | 01 Jan 2015 | England | December 1960 | Echq, 34 York Way, London, N1 9AB, United Kingdom |
| ARCADIS N.V. RESIGNED Registration number 09051284 | Director | 10 Oct 2011 | 11 Apr 2017 | | | Symphony 97, - 103, Gustav Mahlerplein, Amsterdam, 1082 MS, The Netherlands |