Atkins

Nova North
11 Bressenden Place
Westminster
London
SW1E 5BY
https://www.atkinsglobal.com/en-GB

Costain

Costain House
Vanwall Business Park
Maidenhead, Berkshire
SL6 4UB
https://www.costain.com/

DEEP KBB

Eyhauser Allee 2A
26160 Bad Zwischenahn
Germany
https://deep-kbb.de/

WSP

WSP HOUSE
70 CHANCERY LANE
LONDON
WC2A 1AF
https://www.wsp.com/en-GB

RPS

Cannon Street,
London,
EC4N 6EU
https://www.rpsgroup.com/