The 3Arena

The 3Arena (formerly known as the O2 Arena) is a 14,000-seat amphitheatre located at North Wall Quay in Dublin. It is the largest indoor venue in Ireland and is intended to stage 150 live events each year, catering to a projected target audience of one million customers annually. Mercury recently completed the complete Electrical, IT, Mechanical and Fire Protection services for this 15,000m2 landmark refurbishment and fit-out.

Dublin, Ireland


  • 9 Months

  • Multidisciplinary
  • Mechanical
  • Electrical
  • Fire Protection
  • Data Technologies