Group Managing Director

Barry O’Reilly  NCEA Dip. Construction

After completing his studies in DKIT – NCEA Diploma in Construction Studies, Barry decided to broaden his horizons by heading to Australia, working in various Construction companies.

From there he travelled on to the USA, and worked in construction in New York.  In 1991, he began his career with the family business, O’Reilly Bros as Quality Control Manager.  Barry is now Group Managing Director who has driven expansion for the Group developing further manufacturing operations to the UK.

Group Operations Director

Emmet Cosgrove  B.Eng. (Hons), C.Eng, MIEI.

Emmet Graduated from Dundee University with an Honours Degree in Civil Engineering in 1997 and was awarded Chartered Engineer Status from Engineers Ireland in 2005.

After gaining 17 years’ experience managing High Profile Construction Projects in Ireland, Emmet joined the O Reilly Group in 2015 and is now our Group Operations Director with responsibility for the day to day operations of the Group.

Chief Financial Officer

Vanessa Mc Mahon B.Comm, M.Acc, FCA

Masters in Accounting UCD Michael Smurfit Graduate Business School, trained as a Chartered Accountant in Mazars, 20 years’ experience at Financial Controller level in various industries in Dublin and the North East.

Barleystone Paving Director

Darragh O Reilly BSc Eng (Structural)

Darragh graduated with a Bachelor of Science Structural Engineering (Bsc Eng) Degree from University of Dublin, Trinity College.

Darragh is a Business / Project Director with 25 years experience in high volume production environments and large scale Engineering Projects.

Oakstown Director

Diarmuid O’Reilly  BComm.

Having graduated in 1983 from UCD, Diarmuid worked in marketing in Ireland before moving to the US in 1987 where he worked in construction and demolition management.

Diarmuid joined O’Reilly Concrete in ’96 as quality control manager, where he spearheaded certification to the ISO9000 standard. In 2004, Diarmuid became managing director of the new company, O’Reilly Oakstown Ltd. In the last 15 years Diarmuid has extended the product range to include oil water separators and rainwater harvesting systems.