KOCQS Stamp 2022

About KOC

Founded in 1999 by Mark Kelly and Sean O’Callaghan, KOC are celebrating 23 years in business; two decades of supporting our clients in all areas of cost and project management.
At KOC we offer our clients a professional approach and efficient service that is tailored to their specific needs. Our core aim is to ensure cost effectiveness at every stage of the construction process and to provide independent, impartial and trustworthy advice to our clients. We’re proud to say that the success of this commitment has been proven time and again through repeat business.
KOC offers a full range of services including cost management, project management and funder advisory services. Our team primarily operates out of the main headquarters in Dublin while also maintaining satellite offices in Cork, Carrick-on-Shannon, Berlin and London. KOC has an excellent reputation supporting local and international clients across all sectors in Ireland, the UK and mainland Europe.
KOC | Mark Kelly
Mark Kelly
Managing Director
KOC | Kelly & O'Callaghan - Sean O'Callaghan
Sean O’Callaghan
Managing Director
KOC | Ryan Carragher
Ryan Carragher
Associate Director
KOC | Gavin Duignan
Gavin Duignan
Associate Director
KOC | Padraig McKeever
Padraig McKeever
Associate Director
KOC | Ralph Ayoub
Ralph Ayoub
Associate Director
KOC | Kelly & O'Callaghan - Adrian-Sheerin
Adrian Sheerin
Senior Quantity Surveyor
KOC | Kevin O'Connor
Kevin O'Connor
Senior Quantity Surveyor
KOC | David Grennan
David Grennan
Senior Quantity Surveyor
KOC | Daniel McMahon
Daniel McMahon
Senior Quantity Surveyor
KOC | Gavin O'Neill
Gavin O'Neill
Senior Quantity Surveyor
KOC | Joanne Broderick
Joanne Broderick
Senior Quantity Surveyor
KOC | Adam Wyse
Adam Wyse
Accountant
KOC | Kasia Szymkowiak
Kasia Szymkowiak
Accountant
Quantity Surveying Team
Office Admin Staff
  • “I can confidently recommend Kelly & O’Callaghan Ltd for their Quantity Surveying Services.”
    Alan Kelly - Ballymore
  • “… able to provide intelligent solutions for any problems that may arise.”
    Luke Comer – Comer Homes Group
  • “Our experience has been very positive and they have provided an outstanding level of service…”
    Brett Desmond – Five Guys
  • “We expect to continue working successfully with Kelly & O’Callaghan for many years to come.”
    Adrian O’Sullivan – European Property Investment
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