Sierra Support Services has been involved in some of the largest and most complex utility projects undertaken in Ireland and the UK in recent years across various sectors.


Sierra Support Services

Sierra Support Services has been in operation for over 30 years and employs approximately

1,700 people throughout the UK, Ireland and the Caribbean.

With over thirty years’ experience in delivering high quality integrated solutions to blue chip clients like ESB, Bord Gais, Electric Ireland, Sky, eircom, UPC, Digicel, ScottishPower and a multitude of public sector bodies, we have become the nation’s leading utilities contractor.

Our ability to deliver a full end to end project management service has differentiated us from our competition and allowed us to become a major player in the sectors in which we operate.


Our Clients



Recent Projects Update


Sierra climbs at the YSI Showcase!


Sierra donates to Cancer Fund for Children


Our Team


Sierra Customers