We focus on providing our customers with a service which is reliable, trustworthy and delivered on schedule. This is achieved through establishing long-term relationships between consultant and client.



Based on our expertise in contemporary environmental issues we provide our clients with a high quality of service. We strive for consistent excellence in our solutions to deliver the highest of standards of consultancy.



MARENCO consultants have extensive experience and a proud history of providing high quality cost-effective solutions to our clients. Our consultancy is tailored exactly to our clients needs.


About Us


Originating within the prestigious Queen’s University Belfast Marine Laboratory, MARENCO is a leading independent environmental consultancy firm.  From due-diligence and EMS installation to issue-specific environmental surveys MARENCO offers comprehensive, large-scale science-based consulting services yet with small-company pricing, because of the unique way we work.  MARENCO is proudly celebrating 25 years in business during 2012.


Based in Belfast, and serving customers across the whole of Ireland and UK, MARENCO runs a highly efficient virtual team. Co-ordinated by our own highly experienced consultants, we have access to an extensive pool of specialist scientific consultants who come together on a project by project basis to form a highly skilled multi-disciplinary taskforce. We have close associations with specialists in landscape architecture, ecology, noise & air quality, archaeology, contaminated land & water, analytical services, and with Queen’s University Belfast. By working in this way, we can mobilise projects quickly, reliably and cost-effectively.

The MARENCO Difference


MARENCO’s services blend the breadth, depth and reliability of a large practitioner, with the affordability, flexibility and fleetness of foot of a smaller consultancy.


To our customers, that means an assured quality of service, delivered promptly by the right experts for the job thanks to our network of affiliated specialists. A dedicated, highly experienced consultant will manage the project from beginning to end, drawing on additional specialists as appropriate.


25 Years of MARENCO


Northern Ireland based environmental consultancy MARENCO is proudly celebrating 25 years in business during 2012.  Originating within the prestigious Queen’s University Belfast Marine Laboratory, MARENCO has developed into a leading independent environmental consultancy firm since it was established in January 1987.


Our Customers









‘MARENCO’s professionalism, enthusiasm and commitment has enabled us to raise our environmental performance and to achieve ECOPORTS and ISO 14001 Certification – goals previously deemed to be beyond us.’


Denis Healy – Senior Management Team, Port of Cork Company (Cork)


‘Fast, comprehensive, cost-efficient and practical’

Declan Giblin – Head of Corporate Development, Origin Enterprises (Dublin)


'Minesto commissioned MARENCO to facilitate the marine licence application process for our sea trials in Northern Ireland.  MARENCO demonstrated professional and personal engagement without any hesitation. The Consultants proactive approach, extensive experience and local network not only allowed us to achieve our goals but also strengthened our brand through professional engagement with regulatory authorities. I can without hesitation recommend MARENCO as a key supplier for any marine licensing work.'


Anders Jansson - CEO Minesto (Gothenburg)


‘MARENCO were able to provide a commercial view in a compressed timeframe’


Jason Rodrigues – Investment Professional CapVest (London)











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