Our members all share a commitment to quality in the geotechnical and geoenvironmental industry. This has become widely recognised by the clients, governmental bodies and other associations that touch issues to do with the ground.

We welcome both companies and individuals to join us who want to be recognised for the quality of practice they bring. We also welcome those organisations who support our membership through supplying services to them or use the services our members provide.

We encourage you to join with us to shape our industry. To continually improve practice and collaborate on those issues that affect us all – from client all the way through to the people who use the land and buildings we help develop.

PLEASE NOTE: Membership applications are reviewed by the Membership Committee 6 weeks in advance of the earliest Executive meetings. Given this it is important applications are submitted in full (with all supporting information including proposers and seconders) as early as possible. Before completing the membership application, please ensure you read the Membership Byelaws.

If a company is a legal entity under an umbrella company, each company requires separate AGS Membership in order to be recognised as an AGS Member.

Please be aware that an application fee of £60.50 + VAT applies to cover the costs of administering the process.

Deadlines for completed applications:

Q1 – Thursday 9th January 2025
Q2 – Tuesday 29th April 2025
Q3 – Thursday 7th August 2025
Q4 – Tuesday 7th October 2025

 Any applications (including incomplete or requiring further information) submitted after the above dates will be deferred until the following meeting.

AGS membership application forms

Application form for member organisations

Application form for affiliate organisations

Application form for individual specialist members