| 角色 | 公司名称 | 国家 | 现状 | 日期范围 |
|---|---|---|---|---|
| 官员 | TROY-IKODA LIMITED | 🇬🇧United Kingdom | 解散 | 28/01/2026 – 31/08/2017 |
| 官员 | RUDALL BLANCHARD ASSOCIATES GROUP LIMITED | 🇬🇧United Kingdom | 剔除的建议 | 28/01/2026 – 31/08/2017 |
| 官员 | GEOCON GROUP SERVICES LIMITED | 🇬🇧United Kingdom | 剔除的建议 | 31/12/2025 – 31/08/2017 |
| 官员 | NAUTILUS (SEAA) LIMITED | — | 解散 | 08/06/2026 – 31/08/2017 |
| 官员 | TETRA TECH OCCUPATIONAL HEALTH LIMITED | 🇬🇧United Kingdom | 活跃 | 30/03/2026 – 31/08/2017 |
| 官员 | RPS MOUNTAINHEATH LIMITED | 🇬🇧United Kingdom | 解散 | 10/12/2025 – 31/08/2017 |
| 官员 | RPS LABORATORIES LIMITED | 🇬🇧United Kingdom | 解散 | 10/12/2025 – 31/08/2017 |
| 官员 | RPS TRUSTEES LIMITED | 🇬🇧United Kingdom | 活跃 | 06/05/2026 – 31/08/2017 |
| 官员 | TETRA TECH ENVIRONMENTAL MANAGEMENT LIMITED | 🇬🇧United Kingdom | 活跃 | 30/03/2026 – 礼品 |
| 官员 | RPS CONSULTANTS LIMITED | 🇬🇧United Kingdom | 解散 | 31/12/2025 – 礼品 |
31/08/2017
resigned
03/10/2016
appointed
22/04/1994
appointed