Founded in Belfast in 1887 and trading continuously since that time, the Willis name is synonymous with the Mechanical Services industry not just within Northern Ireland but further a field, and has a reputation for quality, innovation, service and performance.

Our knowledge has been earned through time and experience, in the health, education, commercial, industrial and private sectors. We engineer and install single and multi-service specialised systems including underfloor heating, Solar water heating, Geothermal heat pumps, wood fuel boilers, ventilation, air conditioning, pipework systems, sanitary services, and are widely regarded within the industry as we are widely experienced within these sectors.

Structured to provide a complete service if required, we can offer design, procurement, project management, installation, and testing and commissioning of the above.

Our objective is to ensure that every client is given total and dedicated commitment at every stage of a project. Together with our high quality standards, professional management team, experienced and skilled labour force, and a good value for money approach to every project has ensured repeat business and negotiated orders since 1887, a record which speaks for itself.