Pat and Mark Dempsey ltd

Pat & Mark Dempsey Ltd is a family run business, established by Pat and Mark's father over 80 years ago. It is now a third generation family business, that has built on its reputation for friendly, fast, quality and reliable services.


We provide a wide range of well installations to suit your individual needs:

• Water Wells
• Landfill Drilling
• Geothermal Wells
• Water Pumps
• Monitoring Wells / Dewatering Wells
• Production Wells

A nationwide service is provided.


Water Well Drilling
We drill water wells to provide a supply of water to meet your needs.
We have extensive experience drilling for:

• Domestic Supply
• Farm Supply
• Racing Stables
• Greyhound Stadiums
• Racecourses
• Factories
• Town Centres
• County Councils

Geothermal Drilling
Geothermal is a renewable cost saving heat energy and cooling system. Using the earths natural heat to heat water for your heating system, you can save between 20 – 70% on traditional methods to heat your home or business.

We drill Geothermal wells for:

• Domestic Houses
• Apartment Blocks
• Office Blocks
• Hotels
• Factories
• Swimming Pools

Landfill Drilling
We are Irelands largest Landfill Drilling Contractor. We drill Gas extraction and Lechate extraction wells from 300mm diameter up to 1000mm diameter. We drill for private landfill sites and for County Council Landfill sites throughout the country.

Water Pumps
Pat and Mark Dempsey Ltd supply and fit water pumps. Borehole submersible pumps for wells up to 200mtrs deep. Pressure systems for shallow wells. Pressure pumps designed to maintain constant pressure.