The British Drilling Association (BDA) is the UK's trade association for the ground drilling industry.

Join The BDA

Thank you for your interest in becoming a member of the BDA. We value any new application and promise to consider it quickly, fairly and with real interest, however, membership is subject to the approval of the BDA's Management committee which meets 5 times per year. The BDA reserves the right to grant or refuse membership at its sole and absolute discretion.

The membership categories are:

Corporate Membership (C)

Open to enterprises (e.g. companies, partnerships, sole trader etc). Includes full voting membership.

Contractors have to provide proof that all of their drilling operatives either have / are registered to take, NVQ Land Drilling, Level 2.

Download a Corporate (Contractor) Member application pack here

Download a Corporate (Laboratory) Member application pack here 

Turnover less than £300,000 £350 + vat 

(Includes 1 registered member)

Turnover £300,000 to £2 million £875 + vat
(Includes 1 registered & 1 sponsored member)

Turnover £2 million to £5 million £1,325 + vat
(Includes 1 registered & 2 sponsored members, head office and 1 no. regional office details published in members area)

Turnover greater than £5 million £2,150 + vat
(Includes 1 registered & 3 sponsored members, head office and 3 no. regional office details published in the members area)

Additional Sponsored members can be added at £75 + vat each

Additional regional offices can be added at £35 + vat each

Supplier Membership (C-Sup)

Open to non-contracting suppliers only. Suppliers receive additional advertising and exhibition benefits. Download the application to see all benefits.

Download a Corporate (Supplier) Member application pack here 

Turnover less than £2 million £350 + vat
(Includes 1 registered member + small advert on website).

Turnover £2 million to £5 million £875 + vat
(Includes 1 registered & 1 sponsored member + advert on website + 1 free exhibition space at a BDA seminar).

Turnover £5 million to £10 million £1,325 + vat
(Includes 1 registered & 2 sponsored members + advert on website + 2 free exhibition spaces at  BDA seminars).

Turnover greater than £10 million £2,150 + vat
(Includes 1 registered & 3 sponsored members + advert on website + 3 free exhibition spaces at  BDA seminars).

Additional Sponsored members can be added at £75 + vat each

Associate Membership (A)

A non-voting membership restricted to overseas and academic individuals.

£75 + vat

Consultant Membership

In order to better engage with the wider Geotechnical Industry and promote the ethos and standards that the BDA is trying to bring to the Drilling Industry, The BDA has launched a new category of membership for Consultants. 

(Consultant definition -  Engaged in giving professional / expert advice but not contracted to supply ground drilling services or equipment).

Consultant members' are allowed one registered member and receive all corporate company membership benefits (except voting rights). 

Consultant membership is by invitation only and requires approval by the BDA Management Committee. Membership fee is £450.00 a year, reduced to £300.00 for AGS members.

If your company is interested in becoming a "BDA CONSULTANT MEMBER” please contact one of our Management Committee Members for an introduction – or contact the BDA Secretariat for details.

Click here for a Consultant membership flyer

Click here for a Consultant membership application pack

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