Sinclair Girnigoe Castle Stabilisation
Stabilisation of an ancient Scottish castle, also a designated scheduled monument.
Client · Historic Environment Scotland

Holequest Ltd · Company SC056002 · Trading heritage since 1974
Active·subcontractor & consultant & engineer·Head office Galashiels
Holequest has been operating since 1974, growing vastly in capability while maintaining its core ethos. The company offers a comprehensive range of services including ground investigation, well drilling, pumping equipment design and installation, geothermal systems, ground anchors, structural repairs, and private water supply assessments. They pride themselves on providing an all-in service from conception to completion, working closely with clients to ensure successful project outcomes, regardless of scale or complexity.
Specialising in geotechnical and site investigation, Holequest undertakes work ranging from hand-dug inspection pits to complex investigations for major projects like bridges, tunnels, sewers, and highways. They are also experts in over-water ground investigations for ports, harbours, dredging assessments, and cable or pipe routes. Their services extend to structural repairs and anchoring, including the supply, design, and installation of permanent and temporary rock and earth anchors for various engineering applications, with approved installer status for Platipus and Cintec anchor systems.
The company serves a diverse client base, from individual homeowners to large multi-national corporations, including commercial and infrastructure firms, estates, housing associations, marine operators, public bodies, and universities. Holequest is committed to delivering excellence and navigating technical hurdles and health and safety needs, particularly in challenging environments such as contaminated sites and marine locations.
Stabilisation of an ancient Scottish castle, also a designated scheduled monument.
Client · Historic Environment Scotland

A detailed example of one of their many successful projects involving marine ground investigation.

Shetland
Over-water ground investigation works undertaken on a jack-up barge.

Port Stanley, Falkland Islands
Over-water ground investigation works undertaken on a jack-up barge.

Peterhead
Over-water ground investigation works undertaken on a spud barge.
Client · Peterhead Port Authority

Over-water ground investigation works using cantilever access platform over quay.

Permanent anchor installation for a slope over-steepening project to create permanent retention.

Erosion control anchoring and surface treatment.

Self aligning anchor heads for garden wall stabilisation.

Retaining wall stabilisation anchors post tensioning, awaiting trimming and completion. Lower anchors have the Platidrain system installed via a slot in the load plate.

Road slope stabilisation system incorporating gabion baskets and a series of machine-driven inclined ground anchors.

Consultancy, investigation, supply and installation of ties, bands, anchoring systems and remedial works for the stabilisation of buildings and structures including listed and historic buildings.
ASCO, AMS Associates, AMCO Rail Ltd, Arch Henderson LLP, Asher Associates, Ashleigh Scotland Ltd, Ascot Environmental Ltd, Addison Conservation & Design, Barron Wright Partnership, BEAR Scotland, British Geological Society, BSW Timber Ltd and 80 others.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Expert Geotechnical, Site Investigation & Well Drilling Services. Holequest provide a wide range of services and operate throughout Scotland, northern England and beyond. Their listed services include Groundworks, Piling, Civil engineering, Marine & water engineering and Utilities.
Holequest Ltd is registered at GALASHIELS, TD1 2DA, in Scotland.
Holequest Ltd states that it works across Scotland and Northern England.
Companies House lists Holequest Ltd as active.
Holequest Ltd works in Infrastructure, Residential, Commercial, Industrial, Public, Energy, Agricultural, Healthcare, Education, Retail and Leisure.
Holequest Ltd was incorporated on 1974-07-16.
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