
Dromore Road Killygordon, Co. Donegal
Co. Donegal
Installing sewer and rising main with a river crossing on the River Finn.
Conwell Contracts (UK) Ltd · Company NI058017 · Trading heritage since 1995
Active, accounts up to date·main contractor & subcontractor·Head office Enniskillen
Conwell Contracts was established in 1995 and became a limited company in 2006, trading as Conwell Contracts UK Ltd and Conwell Contracts ROI Ltd. The company has over 25 years of experience as pioneering industry leaders in trenchless technology solutions, specialising in directional drilling, guided auger boring, and sheet piling works for cofferdams and trenches. They were the first company in Ireland to purchase an HDD Directional drilling rig in 1999, adding a second rig in 2002.
The company prioritises health and safety, quality, environmental protection, integrity, trust, innovative thinking, and strong customer relationships. They are committed to advancing technology and training for unparalleled service delivery, with continuous investment in staff training, plant, and equipment upgrades. Their fleet includes directional drilling rigs, guided auger boring machines, pneumatic moles, and various excavators, dumpers, and lorries.
Conwell Contracts offers expertise in water infrastructure, including wastewater systems, pipe installation, and pumping stations. They also specialise in directional drilling for road, rail, and river crossings, utilities such as ESB and Eircom ducting, pipe bursting for trenchless pipe replacement, and hold a Waste Carrier License for the transport and disposal of construction waste.

Co. Donegal
Installing sewer and rising main with a river crossing on the River Finn.

Cavan
Implementing water source protection measures in the Erne-Larah catchment area to safeguard watercourses and enhance land management.

Monaghan
Replacing 700m of cast iron water mains to improve supply and reduce leakage.

Installing 25km of gas trunk main across multiple towns with efficient traffic management.

Replacing watermains and foul sewers in Ballybofey with precision and customer-focused solutions.

Delivering complex water infrastructure projects with precision, safety, and environmental care under NEC 3 contracts.
Client · NI Water

Delivering NEC 3 framework projects with precision, safety, and quality management.
Client · NI Water

Northeast Region
Replacing and upgrading water mains for Uisce Éireann projects, ensuring reliable service and minimal disruption.
Client · Irish Water

Navan
Extending foul sewer connections in Navan, linking homes and a creche to Irish Water's pumping station.
Client · Irish Water

Delivering cable ducting for the Letterkenny-Stranorlar-Rossgier 38KV Line with precision, safety, and minimal disruption.

Upgrading Kinsealy Pumping Station with new sewer installations, emergency overflow systems, and community-focused project management.

Delivering a 4-way duct for Cloghervaddy Wind Farm, overcoming challenging terrain, ensuring environmental protection, and fostering community engagement.
uisce eireann, Northern Ireland Water, esb networks, murphy, adman, Farrans, donegal county council, Dawson Wam, mcnamara-construction, Lakeland, GMC, Eircom.
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Discover over 25 years of expertise in trenchless technology with Conwell Contracts, trusted for innovative civil engineering and reliable solutions across the UK and Ireland. Their listed services include Civil engineering, Utilities, Drainage, Piling and Groundworks.
Conwell Contracts (UK) Ltd is registered at 26 Carrickyheenan Road, Lismalore, Brookeborough, Enniskillen, BT94 4ET, in Northern Ireland.
Conwell Contracts (UK) Ltd states that it works across Ireland.
Accounts filed for the year to 2025 report 11 employees, which places the company in the 10-49 employees band.
Companies House lists Conwell Contracts (UK) Ltd as active, with accounts most recently made up to 2025-03-31.
Conwell Contracts (UK) Ltd displays ISO 9001, ISO 14001, NSAI, CEF, SafeTcert and Constructionline on its website.
Conwell Contracts (UK) Ltd works in Infrastructure, Energy and Public.
Conwell Contracts (UK) Ltd was incorporated on 2006-01-31, though the company says it has traded since 1995.
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