Who We Are

Local roots, national spread

MFS Belfast HQ at Saunders House

Since commencing business in 1974 Maurice Flynn & Sons Ltd has become one of the leading maintenance and construction contractors in Northern Ireland delivering high quality services to clients across sectors including social housing, schools and colleges, councils, hospitals, emergency services, roads and rivers and regeneration. 

In partnership with an excellent client base we have grown significantly over the years by constantly assessing the market demands and innovation necessary to meet the changing needs of our clients. 

MF&S remains a locally owned family business and now employs over 200 staff across a wide range of disciplines, ensuring our clients of our best attention at all times without undue reliance upon third parties.  We believe openness and transparency are fundamental to strong relationships with out clients.

Reliable and Accountable

As a local business, we value our clients’ satisfaction with our services and have robust and sophisticated systems in place to safeguard the quality of all that we do.  We are fully accredited and independently audited with regards to all key compliance including ISO 9001, ISO 14001, OHSAS 18001, NICEIC, HVAC, Safe-T-cert, Considerate Constructors Scheme and others.



MF&S take seriously our obligations to our staff, our clients, our neighbours and the wider community.  We invest heavily in training and compliance of our staff and procurement of modern plant & equipment to ensure that we remain to the front of our field in terms of responsibility to the environment and health and safety …

View page »

Oscar Knox Appeal Abseil


Community and Charitable support: MF&S believe in local empowerment of communities and actively employ local staff who are motivated by the opportunity to serve their communities and to promote the sustainable development of the wider community in which they live and serve. MF&S believe in supporting the community within which we as a firm and our 200+ …

View page »

Green Policy


Conservation and Environmental Awareness MF&S are highly proactive about minimising the impact of our business upon the environment.  As an example, through GPS vehicle tracking, we monitor the fuel efficiency of our fleet of modern vehicles and are testing Hybrid/Electric Commercial Vehicles to further reduce CO² emissions.   We are currently studying the feasibility of a wind turbine at our …

View page »


Health & Safety

The wellbeing of our staff and the general public affected by our operations is our top priority.  We subscribe to the well know saying that “no task is so important or so urgent that it cannot be done safely.” We plan and conduct all operations in a manner that ensures the highest possible standards of health …

View page »


Transparency and Openness MF&S are committed through the Code of Practice for Government Construction Clients and Their Supply Chains (DFI/10/79664) to the 12 principles of:  Transparency Competitive supply Consistency Effectiveness Efficiency Fair dealing Integrity Informed decision-making Legality Integration Responsiveness Accountability Selection Incentivise Conditions of contract On our Term Maintenance Contracts with major Housing Association Groups …

View page »