Arup Geotechnics
Tel 020 7636 1531
Web arup.com/services/geotechnics
Buro Happold, Ground Engineering
Tel 0207 927 9700
Web burohappold.com
Gavin & Doherty Geosolutions Ltd
Tel +353 (0) 12071000
Web www.gdgeo.com
John Grimes Partnership
Tel 01752 690 533
Web johngrimes.co.uk