Sierra are a leading provider of end to end outsourced solutions, specialising in the telecommunications, home energy, power, civil engineering and water sectors.

With over thirty years’ experience, Sierra is the principal business partner for a wide range of blue-chip clients including BSkyB, UPC, ESB, ScottishPower, Digicel, Electric Ireland and Irish Water, together with a significant number of public sector authorities.

Headquartered in Dublin, we currently operate in Ireland, the UK and the Caribbean, with regional offices in London, Glasgow, Belfast, Jamaica, St Lucia and Barbados.

Sierra has experienced remarkable organic growth over the past five years with a workforce now numbering over 1600.