Specialist in Geothermal drilling, water well drilling and mini pilling

About us

GSI has been established for 15 years, our company runs 7 Mesenza MI6 drilling rigs. Our company Specialises in drilling geothermal bore holes up to 210m and water wells up to 260m.

Over the last 15 years GSI has drilled all over the United Kingdom, we have completed some of the largest GSH projects in the country for example Bow cliff Manor 72 x 140 m bore holes, we have drilled many projects domestic and commercial in the Channel Islands.

We are capable of drilling a single bore hole in your back garden to mobilising 7 rigs to a building site.

Over the last 3 years we have completed and still on going drilled 19 projects for a very established Retirement Home Builder throughout the country, averaging 22 x 150m bore holes on each site and a site drilling average of 4 weeks per site using I to 3 rigs on each site, from North Yorkshire to Newquay, with our experienced personnel and equipment we can complete these projects within our customers tight building time.

Our Team

Andrew Bollard

The Founder of GSI

Neven Celebicanin


Sabina Bollard

Office Manager