G Stow was established in 1912 and are industry experts in all of water engineering and drilling.

With over a century of experience in the water engineering industry, we have accumulated a vast knowledge of the industry, covering all geological and site conditions. G Stow are among the pioneers of aquifer storage and recovery techniques, are highly experienced in adit driving/repair and our expertise in water supply borehole construction is second to none!

Our purposely developed site in Wallingford, Oxfordshire provides bespoke storage and testing facilities. We operate a sizeable fleet of transportation, specialist lifting equipment and fabrication facilities.

Call us today to discuss your water, energy, geothermal or engineering service needs and see how we can help you 01491 834444 or e-mail us

G Stow provide a unique, total M&E service, taking your project from conception to completion. Call us to discuss:

• Consultancy
• Feasability
• Geophysical surveys
• CCTV Surveys
• Drilling and construction of water supply boreholes
• Drilling and construction of geothermal ground source heating
• Pump selection, install and testing
• Distribution pipelines
• Water storage tanks
• Adits
• Supply and installation of pumps and switchgear

Safety FirstReputableProfessionalExperienced
Safety is at the forefront of our mind. With regular training to all our staff and investment in the latest equipment.

We pride ourselves on our unblemished safety record.




With an unrivalled reputation that spans a decade, G Stow are experts in reliable water supplies to residential and commercial clients.   We drill boreholes and provide water supply maintenance to Buckingham Palace, Severn Trent, Welsh Water and other major organisations.We offer consultancy services. Feasibility advice. Geophysical surveys. Test and measure. Drilling and construction of water supply bore holes Geothermal ground source healing Distribution pipelines Water storage tanks Supply & installations of pumps & switchgear.
With over 100 years in the water engineering industry, G Stow is a market leader working in over thirty countries.   All our staff are experts in their field with many years’ experience within the industry.   Trusted, reliable and experienced.

Call us today to discuss your water, energy, geothermal or engineering service needs and see how we can help you 01491 834444 or e-mail us

From the beginning

Established in 1912 G Stow enjoys a legacy of professionalism and expertise in borehole drilling and maintenance.

G Stow PLC Today

G Stow today is part of SSI Services (UK) Ltd which are a multi-disciplined expert contractor.The specialist trading division of South Staffordshire Plc, SSI are expert specialists in every aspect of the life cycle of our public to private sectors customer infrastructure asset. Design through to installation, testing, and repair to long term maintenance contracts SSI provide all of the expert solutions you may require.

G Stow, with support from SSI Services and South Staffordshire PLC are delighted to announce that the new drilling rig – the Fraste FS 500 has now been delivered to Wallingford.

The Fraste FS 500 is a powerful, high-performance, and reliable drilling rig. It is designed for multipurpose use with different drilling methods such as direct or reverse circulation, air drilling with DTH hammer and auger drilling.  It really is a fantastic drilling rig that will help improve both productivity and reliability on site. For South Staffordshire Plc, it is certainly a considered purchase but one that clearly demonstrates the belief that the Group has in both G Stow and its people.

“We are incredibly excited to add the Fraste FS 500 to our ever-growing fleet of specialist equipment. We were delighted to acquire G Stow with its long heritage of drilling expertise and professionalism, over 3 years ago and I hope that the purchase of this drilling rig demonstrates our commitment to growing G Stow and supporting it to stay at the forefront of the water well drilling industry.”

Phil Newland, CEO of South Staffordshire Plc

Call us today to discuss your water, energy, geothermal or engineering service needs and see how we can help you 01491 834444 or e-mail us