COLLEN CONSTRUCTION RANKED 7TH IN IRELAND'S 150 BEST EMPLOYERS — READ MORE 1800s 1810 Founded in 1810 1872 Killarney House The building of Killarney House was the most extensive project undertaken by the firm for a private client in the late nineteent... 1885 Railway Bridge, Cavan Leitrim Railway The firm oversaw the construction of the Cavan and Leitrim Light Railway between 1885 and 1888, laying down the track and bridge...Read More 1895 Construction begins on Mulranny Hotel The firm secured a contract in 1895 with the Great Southern and Western Railway Company to build a new railway hotel at Mulranny...Read More 1900s 1900s 1896 St. Ita's Hospital Portrane Collen was awarded the original contract for St. Ita's Portrane in 1896. The construction of Portrane was a vast project that ha...Read More 1928 New Frontage of the Royal Dublin Society The foundation of the Irish Free State in 1922 gave Collen Brothers an unexpected opportunity to re-establish their association ...Read More 1938 Fever Hospital, Nass The medical advisers of the Department of Local Government condemned the existing fever hospital in Naas as unfit for purpose. K...Read More 1941 Grain Silo at Barrow Street, Dublin Collen Brothers undertook its first project for the flour milling industry during the Second World War, building a new grain sil...Read More 1947 Stand and Tote, Fairyhouse Racecourse Collen Brothers provided a new stand and Tote for Fairyhouse racecourse in 1947; the new stand was designed and built within eig...Read More 1950 New Terraces at Croke Park Collen Brothers undertook a new building project at Croke Park for the Gaelic Athletic Association (GAA) at the beginning of the...Read More 1976 Ringsend Pumping Station The most notable – and difficult - project undertaken by the company in the late 1970s was an unusually complex civil engineerin...Read More 1978 Tanker Jetty at Alumina Plant, Aughinish Island Alumina Contractors Ltd., an international consortium led by a Canadian company, Alcan, moved to develop a new alumina plant at ...Read More 1998 Fonthill Industrial and Retail Park Collen was appointed by Green Property Ltd in May 1998, after a competitive tender competition to construct a 2000m2 high bay wa...Read More 2002 Gateway Mixed Use Development In 2002, Collen commenced works on Gateway, in East Wall. The project involved the construction of a landmark multi-storey, mixe...Read More 2008 Tyrellstown Housing Development In 2008, Collen was awarded the contracts for Tyrellstown Housing Development. This was the largest government housing project o...Read More 2000s 2000s 2010 Collen Bicentenary In 2010, Collen celebrated its 200 year anniversary. The firm published a book ‘Collen 200 Years of Building and Civil Engineeri...Read More 2010 First Data Centre Client In 2010, Collen secured its first project with a confidential data centre client. 2013 Collen expands into mainland Europe In 2013, the company commenced its first data centre project outside of Ireland, in Frankfurt, Germany, for one of it’s confiden...Read More 2014 Blackrock Further Education Institute wins Irish Georgian Society Award In October 2014, Collen Construction Director Alan Brunton and Contracts Manager Derek McCaffrey proudly accepted the Irish Geor...Read More 2016 Integrated ISO Certifications In 2016, Collen became the first tier one construction company in Ireland to obtain integrated ISO certification for the ISO 900...Read More 2017 Opening of German Office In 2017, An Taoiseach Enda Kenny officially opened the new Collen GmbH offices in Frankfurt Germany/ The launch of our Frankfurt...Read More 2017 Collen expands in to Sweden In 2017, the company commenced its first data centre project in Sweden for a confidential data centre client. 2017 Jack Collen joins the Company In 2017, 8th generation Collen family member, Jack Collen, joined the company as an engineer. 2018 NSAI launch ISO 45001 in conjunction with Collen Construction The world’s first occupational health and safety international standard, ISO 45001, was published on 12th March 2018. The Natio...Read More 2018 Irish Construction Industry Awards In June 2018, Collen attended the Irish Construction Industry Awards in Citywest. Having been shortlisted in 5 categories Collen...Read More 2019 Tom O'Connor joins the Collen Board Tom O'Connor joined the Collen board in 2019 as European Director. 2019 Annual NISO/NISG Awards 2019 At the 2019 Annual NISO/NISG Awards, Collen took home two awards at the. Collen won the Construction Industrial/Commercial Award...Read More 2020s 2020s 2020 ISO 50001:2018 In line with the company's sustainability journey, Collen's Energy Management System became accredited to ISO 50001:2018 by the ...Read More 2021 ISO 27001:2017 The company's Information Security Management System was accredited to ISO 27001:2017 by the NSAI. 2021 Opening of Swedish office In October 2021, the company officially opened a new office in Gävle, Sweden. 2021 Creating Safer Sites In September 2021, the company launched its “Creating Safer Sites” program. The program engaged Collen and contractor site teams...Read More