Business Details
27 Years
experience
Emergency
services
Trusted Mechanical Services in Derry Since 1999
Established in 1999, Northwest Mechanical Services has grown into one of the leading mechanical services companies in the North West of Ireland. With 25 years of dedicated service to the plumbing, HVAC, and piping industry, we have built a reputation for engineering excellence through expertise in diverse building services environments. Our proficient, dedicated team consistently delivers high-quality services, retaining high-profile industry contracts and fostering long-term client relationships.We continuously seek innovative ways to enhance our offerings while maintaining strict adherence to project timelines, safety standards, and client satisfaction. Our proven track record across sectors like healthcare, hospitality, and education demonstrates our ability to meet complex specifications with precision and reliability.
Services
Plumbing & Heating
Process Piping
Fabrication & Welding
Planned Maintenance
Gas Installation
HVAC Systems
Cleanroom Orbital Welding
Pipe Insulation
Details
- Year established: 1999
Highlights and features
- We have 25 years' experience in mechanical services and engineering
- Our team specialises in complex process piping installations for high-tech industries
- We deliver projects on time with strict adherence to safety and quality standards
- Our fabricators excel in specialist stainless steel and ultra-high purity welding
- We maintain long-term relationships with leading construction and healthcare clients
What people say
Excellent support
Highest standard
Professional and timely manner
Cost effective and reliable
Safe pair of hands
Services
Plumbing & Heating
Our comprehensive plumbing and heating solutions address everything from leak repairs to complex system installations. We work closely with consultants and environmental engineers to meet exacting client specifications. With decades of experience across industrial and commercial sectors, our team delivers reliable, code-compliant installations that prioritise efficiency and long-term performance.
Process Piping
Specialist process piping installations for semiconductor and pharmaceutical industries using materials like stainless steel, copper, and PVC. Our expertise includes cleanroom orbital welding and IR fusion techniques. We ensure contamination-free systems that meet stringent regulatory requirements while maintaining optimal flow efficiency and safety standards.
Fabrication & Welding
Precision fabrication of stainless steel and other metals for specialist applications. Our welders produce high-integrity components and pipework assemblies off-site to ensure quality control. This approach enables faster on-site installation while maintaining strict tolerances and surface finish requirements critical for pharmaceutical and high-purity environments.
Planned Maintenance
Comprehensive gas installation and maintenance services with focus on system longevity and safety compliance. Our proactive maintenance programmes reduce downtime through scheduled inspections and component replacements. We maintain critical mechanical systems for healthcare facilities and industrial clients requiring uninterrupted operations.
Gas Installation
Specialist gas installation services for commercial and industrial applications. Our certified engineers design, install, and maintain gas distribution systems meeting all current safety regulations. We provide complete documentation and testing certification to ensure compliance with health and safety standards across multiple sectors.
People
Gerry Campbell
Director
With over 25 years in mechanical services, Gerry leads strategic operations at Northwest Mechanical Services, ensuring technical excellence and client satisfaction across all projects.
Gary Hegarty
Director
Gary oversees project delivery and technical standards, leveraging extensive industry experience to maintain the company's reputation for high-quality mechanical engineering solutions.
Michael McGeady
Project Manager
Michael manages complex installations and maintenance contracts, ensuring projects meet specifications while maintaining safety and quality standards throughout their lifecycle.
Donna Shields
Accounts Manager
Donna manages financial operations with focus on transparency and client budget adherence, supporting the company's commitment to professional service delivery.
Gary Hargan
Supervisor
Gary ensures compliance with health and safety regulations across all sites, maintaining the company's strong safety record through rigorous on-site oversight.
Questions
What industries do you specialise in?
We specialise in healthcare, hospitality, pharmaceutical, semiconductor, and commercial construction sectors requiring precision mechanical engineering solutions.
Do you handle emergency repairs?
Yes, we provide emergency response services for critical mechanical failures outside normal working hours.
Are your engineers certified?
All our engineers hold relevant industry certifications for gas installation, welding, and mechanical systems compliance.
Can you handle large-scale projects?
Yes, we've successfully completed major installations at hospitals, hotels, and industrial facilities across Ireland.
What materials do you work with?
We work with carbon steel, stainless steel, copper, aluminium, PVC, CPVC, polypropylene, PVDF, and ABS piping systems.
Do you offer maintenance contracts?
Yes, we provide planned preventative maintenance programmes to ensure system longevity and regulatory compliance.