Thank you for your interest in becoming a member of the BDA. Applications for membership are reviewed upon receipt, which will be approved assuming current criteria are met. The BDA reserves the right to grant or refuse membership at its sole and absolute discretion.
To view the BDA’s Annual Membership Agreement, please click here.
Open to enterprises (e.g. companies, partnerships, sole trader etc who are an individual trading entity as registered with Companies House/HMRC). 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.
Fill out a Corporate Contractor Member application pack here
Fill out a Corporate (Laboratory) Member application pack here
Turnover – less than £300,000 £415 + vat
(Includes 1 registered member)
Turnover – £300,000 to £2 million £1,040 + vat
(Includes 1 registered & 1 sponsored member)
Turnover – £2 million to £5 million £1,770 + vat
(Includes 1 registered & 2 sponsored members, head office and 1 no. regional office details published in members area)
Turnover – greater than £5 million £2,890 + 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
Open to non-contracting suppliers only. Suppliers receive additional advertising and exhibition benefits. Fill in the application to see all benefits.
Fill out a Corporate (Supplier) Member application pack here
Turnover – less than £2 million £415 + vat
(Includes 1 registered member + small advert on website).
Turnover – £2 million to £5 million £1,040 + vat
(Includes 1 registered & 1 sponsored member + advert on website + 1 free delegate ticket at a BDA seminar).
Turnover – £5 million to £10 million £1,770 + vat
(Includes 1 registered & 2 sponsored members + advert on website + 2 free delegate tickets at a BDA seminar).
Turnover – greater than £10 million £2,890 + vat
(Includes 1 registered & 3 sponsored members + advert on website + 3 free delegate tickets at a BDA seminar).
Additional Sponsored members can be added at £75 + vat each
A non-voting membership restricted to overseas and academic individuals.
£100 + vat
If your company is interested in becoming a "BDA CONSULTANT or CLIENT MEMBER” please contact one of our Management Committee Members for an introduction – or contact the BDA Secretariat for details.
Fill out a Consultant membership application pack
Fill out a Client membership application pack
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 membership categories for Consultants & Clients
Consultant definition – Engaged in giving professional / expert advice but not contracted to supply ground drilling services or equipment).
Client definition – Engaged in procuring or specifying ground drilling services but not contracting to supply such services or directly employing sub contracted drillers)
Consultant & Client members are allowed one registered member but do not have voting rights and cannot be elected to the Management committee. They can however, upon request, sit on one of our sub-committees as a co-opted member receive most of the benefits of corporate membership
Consultant and Client membership is by invitation only and requires approval by the BDA Management Committee. Membership fees are £450* a year +VAT, reduced to £350 +VAT for AGS members.
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