Founded in 1997, Semple & McKillop Ltd is a leading consulting engineering practice. We deliver our services from Belfast, Castleblayney, Enniskillen and London. Our services to the built environment include mechanical, electrical, plumbing, low carbon and environmental consultancy and specialist technical services.

We have successfully delivered a range of commissions across all sectors. See our portfolio for selected projects. Over the years we have established a reputation for design innovation through providing sustainable engineering solutions and delivering the highest levels of environmental, quality and health and safety performance.

Our Integrated Quality Management System is certified to the 3 industry standards: 9001, 14001 and 45001. Semple & McKillop are an Investors in People organisation. As an award-winning practice, our company continues to demonstrate incremental and continuous growth.

At Semple & McKillop we are justifiably proud of the service we provide and our approach to delivering this service to our clients through working with design and construction partners. Our services provision is guided by our underlying values of integrity, teamwork, quality, learning, innovation and professionalism. Our approach is entirely client-focused.