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  • Exceeding our Clients Expectations

  • Prioritising Health and Safety

  • Quality and Excellence for over 200 years

  • Value Efficiency and Innovation

  • Skills and Craftmanship at our core

200 Years

Building Excellence




Commenting on the company's listing at No. 5, as noted in the table of the Top Irish Contractors in the Bruce Shaw 2015 handbook, Managing Director Tommy Drumm attributed the company's success to its ability to satisfy client requirements and achieve the highest standards.

"Completing projects within programme, meeting budget constraints and providing a quality service, ensures the company is succeeding in forging strong relationships with its clients.  Our Clients are reassured by the high level of service provided by Collen staff both onsite and behind the scenes".  



Read the 'Building on a Legacy' article in Irish Building Magazine.  Click Here >>

200 Years of Building Excellence

Collen Construction is a family owned business established in 1810 with a strong reputation for building quality and excellence.

The company has successfully tendered and negotiated projects for a range of clients including large multi-national corporations, private companies, local authorities and state authorities. We have established a reputation for providing complex projects on time and within budget.

Latest News

A busy start to 2017 for Collen Construction More Details

An Taoiseach Enda Kenny opens Collen GmbH offices in Franfurt More Details

Collen staff raises awareness for Men's Health More Details

Red goes purple for International Women's Day More Details

Collen present cheque to CMRF Crumlin More Details

Avoid the noise and be mindful, the CIF take a look at Collen Construction's innovative safety method More Details

Progress on the new 2100m2 Power City retail unit at Airside Retail Park More Details

Works have commenced on Audi's new €20 million flagship showroom in Dublin More Details

New extension to Frascati Shopping Centre Blackrock More Details

Horizon Business Park Phase 2 commences More Details

Blackrock Further Education Institute Graduation Ceremony More Details

NSAI Certification Presentation More Details

Construction Safety Week - Mindfulness More Details

Collen Construction are the first Tier One Contractor to achieve ISO 9001:2015 & 14001:2015 Accreditation with NSAI. More Details

Recognition of 50,000 Safe Working Hours More Details

Collen awarded contract in Dublin Airport More Details

Official Opening of Affidea Dundrum More Details

Collen awarded new €16m Student Accommodation in UCD More Details

Collen Safety Awareness More Details

New Refurbishment and Fit-Out in Lower Mount Street More Details 

New €40m Multi-Storey office development in Central Park onsite More Details

Blackrock FEI wins Irish Georgian Award More Details



Collen GmbH

An Taoiseach Enda Kenny officially opened our new Collen GmbH offices in Frankurt Germany on Thursday April 6th. More Details

An Taoiseach Enda Kenny speaking at the event.

Joe Dillon (Senior Quantity Surveyor), Tom O'Connor (European Operations Manager), David Lee (Construction Director), An Taoiseach Enda Kenny, Kara Stuart (Company Secretary), Gerard Kelly (Engineer) and Julie Sinnamon (CEO Enterprise Ireland).

Tom O'Connor (European Operations Manager), David Lee (Construction Director), An Taoiseach Enda Kenny and Jack Collen (8th generation Collen).