Collen has announced the appointment of Mark McGreevy as chief executive officer.

Currently ranked in the top three building contractors in Ireland and with operations in the UK and Europe, Collen’s revenues are forecast at over €1.5bn, and the business has established a reputation for providing complex projects on time and within budget.

One of Ireland’s longest-established family-owned businesses, Collen is an eighth-generation construction business and has successfully tendered and negotiated projects for a wide range of clients, including large multi-national corporations, private companies, local and state authorities.

Mark McGreevy’s appointment marks the next step in the group’s evolution, reinforcing the company’s strategic focus on sustainable growth, people-centric leadership and long-term value creation.

McGreevy has served on the Collen board since 2024 as a non-executive director and brings over 30 years of multi-sector industry experience to the role, having worked at the executive level in Ireland and internationally with Sisk.  He was also a key figure in the strategic growth of the specialist construction services businesses Vision Built and Sensori.

Speaking about the appointment, Neil Collen, Chair of the Board, Collen, commented, “We are delighted to welcome Mark as chief executive officer. His industry expertise, strong alignment with our family values, and a deep understanding of Collen’s ambitions make him well positioned to lead Collen into its next chapter. Mark will play a central role in driving our long-term success, not just in Ireland but across Europe.”

Speaking on his appointment, Mark McGreevy said, “It is a privilege to take on this role. I look forward to working with our talented teams and shareholders to build on the strong foundations in place and to support Collen’s continued growth, innovation and service excellence.”

Mark McGreevy takes up his new role on 05 January 2026.