Our integrated management systems are accredited to the following:

  • ISO 9001:2015 Quality Management System

  • ISO 14001:2015 Environmental Management System

  • ISO 27001:2017 Information Security Management System

  • ISO 45001:2018 Occupational Health & Safety Management System

  • ISO 50001:2018 Energy Management System

In addition to our management system accreditations, we also hold the following certifications:

  • Safe-T-Cert ‘A’ Rating

  • Investors in Diversity – Silver


Collen is a member of the following trade bodies, organisations and educational institutions:

  • Construction Industry Federation (CIF)

  • Master Builders and Contractor Association (MBCA)

  • Construction Industry Register Ireland (CIRI)

  • Chartered Institute of Building (CIOB) – Training Partner

  • Institute of Engineers Ireland (IEI) – Corporate Partner

  • National Irish Safety Organisation (NISO)

  • Institute of Occupational Safety & Health (IOSH)

  • Heritage Contractors Association

  • Swedish Data Centre Association

  • Irish Green Building Council (IGBC) – Silver Member

  • Homebond

  • Irish Management Institute (IMI)

  • Technological University Dublin (TUD) - Partnership

  • Irish Concrete Society

  • German-Irish Chamber of Industry and Commerce

  • Considerate Constructors Scheme

As a member of the above organisations, we have access to the relevant technical databases and professional advice. Additionally, we have a number of personnel who serve as members of various industry committees.

Interested in finding out more about Collen's accreditations and memberships?

Get in touch with our team today.