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Siteserv has been involved in some of the largest and most complex service projects undertaken in Ireland and the UK in recent years across various sectors.

Group Subsidiaries



  • Roan
  • more
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  • roankabin


Siteserv is a leading infrastructure and utility support services company operating in Ireland, the UK and the Caribbean across a range of industries on behalf of blue chip partners.


Over the past 40 years, Siteserv companies have been involved in some of the largest and most complex projects, and our experience has given us a deep understanding of the industries we serve, including power generation, petrochemical, nuclear, home energy, satellite & telecommunications, education, healthcare, events services, civil engineering, water and construction. Our 50+ strategic sites across Ireland, the UK and the Caribbean are supported by a highly skilled workforce of over 3,300 professionals.

Siteserv is a fully-fledged outsource support services partner, providing mission critical ancillary services, including high quality integrated solutions and project management services that allow clients to focus on their core business activity. Our geographic reach, scalability, and overall financial stability enables us to meet each of our customers’ changing needs on a daily basis, as we continue to grow and expand into new markets.

We are an industry leader in pioneering best practice in health and safety for our staff and on our sites. Siteserv companies have fostered it throughout every level of the business, ensuring that all our skilled professionals complete quality, rigorous and frequent training that our business and clients demand. Siteserv has five subsidiary companies including:

Sierra, DSL, Holgate, RoanKabin / Roan Building Solutions, EventServ.

Our Clients



Recent Projects Update

Giro D'Italia 2014

Eventserv Giro D’ITalia 2014

Sierra Services

Sierra – Helping Sky to reach over 700,000 television subscribers


RoanBuildings – St Thomas A Becket School, Greenwich


DSL – Kinsale Energy