back to listings SME Profile: Marshall Drilling Ltd

Woodlands Industrial Estate, Westbury, Wiltshire, BA13 3QS 

T:  01373 597 100  |  E:  |  W:



About Us

Marshall Drilling are an independently owned, drill only contractor specialising in geotechnical and geo-environmental rotary drilling.

Marshall Drilling, based from our office in Wiltshire offer a nationwide service providing a range of drilling services, specialising in geotechnical and geo-environmental rotary drilling. With over 15 years industry experience we are well placed to assist with your ground investigation.


We are able to supply crews with the following competencies:

  • NVQ L2 Lead Driller 
  • British Drilling Association Audit 
  • Site Supervisors Safety Training Scheme (SSSTS) 
  • IOSH Safe Supervision of Geotechnical Sites 
  • CSCS Land Driller and Site Operative/Labourer 
  • Emergency First Aid at Work (1 Day) 
  • Network Rail Personal Track Safety (PTS) 
  • NRSWA Supervisor & Operative 
  • NG HS(G)47 Cable Avoidance 
  • Asbestos Awareness 
  • Manual Handling 


Marshall Drilling have been audited and hold the following accreditations:

  • ISO 9001:2015 Quality Management System 
  • ISO 14001:2015 Environmental Management System 
  • ISO 45001:2018 Occupational Health and Safety Management System 
  • SMAS Worksafe - SSIP
  • Safe Contractor - SSIP
  • Network Rail - RISQS verified by audit
  • British Drilling Association (BDA) Member
  • British Drilling Association (BDA) Audited Drillers
  • Constructionline



Marshall Drillings’ multi-purpose rigs are ideally suited for geotechnical, geo-environmental and exploration site investigations. Our flexible and innovative approach to site investigation ensures we are able to meet the requirements of a variety of complex projects. 

Site investigation & drilling services:

  • Dynamic sampling in sizes from 76mm – 116mm samples.
  • Conventional rotary coring in T2-101, T6-116 and T6-146.
  • Geobore-S wireline, providing an undisturbed class 1 core sample in 102mm diameter.
  • SPT & UT100 insitu sampling. 
  • Robit / Odex overburden casing systems
  • Flushing mediums including water / mud, air & air-mist flush.
  • Open hole drilling using range of down the hole hammers (DTHH), tri-cone rock rollers, PDC and drag bits.
  • Hollow Stem Augering for progression through granular material.
  • Concrete coring of hard standing and structures.
  • Numerous casing sizes allowing multiple environmental seals in boreholes, including the use of non-ferrous casing for down the hole UXO testing.
  • Boreholes can be installed with monitoring / remediation wells, inclinometers, vibrating wire piezometers and earth rods.Borehole decommissioning and grouting via tremmie.

What to expect:

  • Punctual, professional, trained and experienced NVQ 2 and BDA audited lead drillers.
  • Industry leading plant and equipment, tailored specific to your project requirements. 
  • PUWER, LOLER, and calibration certification for plant & equipment. 
  • Site specific RAMS provided for each project.
  • Fully HSE compliant interlocking safety cages and emergency stops.
  • Spark arrestors and Chalwyn valves fitted to all plant.
  • Mobilisation to site using our own 4x4s and trailers or beavertail lorry.



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