Company Performance Metrics
Derry Building Services provides mechanical and electrical engineering contracting for building projects. The company delivers design, installation, testing, commissioning, and maintenance for new build and refurbishment work. Core disciplines include HVAC and ventilation, heating and chilled water, public health plumbing, electrical power and
distribution, lighting and emergency lighting, and life safety systems such as fire detection. Services extend to design-and-build delivery, preconstruction design development, technical coordination, and documentation for compliance. Maintenance covers planned preventive maintenance, reactive support, inspection, and statutory testing to keep systems operational. Projects incorporate energy efficiency measures and controls optimization to support performance objectives across the building lifecycle.