About Us

Shaping Your Vision with Our Craftsmanship

Since our foundation in 1972, OHMG has emerged as a pioneering, chartered construction firm, celebrated for its excellence across Ireland. Operating from our base in Newry, Co Down, our dedicated team of over 130 professionals generates an impressive annual turnover surpassing £80 million. Our expertise encompasses a broad range of sectors including Education, Healthcare, Sport, Residential, Commercial, and Hospitality, focusing on new build and fit-out projects.

At the heart of OHMG’s remarkable achievements lies the unparalleled dedication, vast knowledge, and expert skill sets of our team members. This solid foundation enables us to deliver comprehensive services, from the initial concept of a project through to its facility management, ensuring seamless execution and exceptional outcomes.

In an exciting phase of our evolution, OHMG, with the second generation of the O’Hare family coming through, is steering towards an era of expansive growth and innovation. We are committed to elevating construction and design standards through creativity and forward-thinking approaches. Our journey is supported by robust partnerships within our supply chain, reflecting our deep-rooted loyalty and the strong, enduring relationships forged over five decades. These collaborations are crucial in upholding the supreme quality and excellence that define the OHMG legacy.

Our History Timeline


OHMG was founded, with Noel O’Hare as the Managing Director.


First Project

First monumental build, Buttercrane Shopping Centre.


Boots Partnership

The beginning of a long-lasting partnership with Boots PLC.


Construction of Quays Shopping Centre

Construction of Quays Shopping Centre, Newry, including the fit out’s of; River Island, Next, HMV, Topshop/Topman, Miss Selfridge, H&M, Sainsburys and Debenhams.


Becomes Charted

OHMG becomes a Chartered Construction Company.


Our first PPP School

Our first PPP school was constructed – a project involving design, construction and finance of 3 new colleges; Downpatrick, Ballynahinch and Newcastle.


Construction of Teaching Facility

Construction of Teaching Facility Building for National University of Ireland, Maynooth.


Further Higher Education Builds

PPP Framework of Further Higher Education Builds including South West College, Omagh, Co. Tyrone and SouthWest College, Dungannon, Co. Tyrone


QUB Elms Build

Construction of QUB Elms PHASE 2 & 5-10


Holy Cross College, Strabane

PPP Holy Cross College, Strabane. Design & Build (23,500m2) new replacement College


McClay Library and Maths Building

Construction of the McClay Library and Maths Building, Queen’s University Belfast.


Construction of Obel Tower

Construction of Obel Tower, famously known as Ireland’s tallest building to date, standing at 88.31 meters high.


RICS Sustainability Award

Awarded the Winner of UK wide RICS Sustainability Award – The McClay Library & Maths Building.


Boots Donegal Place Refurbishment

Completed the refurbishment of Boots Chemist Donegal Place. One of the largest Boot’s stores in Northern Ireland.


College PPP Constructions

PPP of Newry Mourne Down College Project, including South East Regional College, Downpatrick, Ballynahinch & Newcastle, Co. Down


The PPP Construction of St Cecilia’s College

The PPP Construction of St Cecilia’s College, Derry for St Candice’s Educational Trust/ Belfast Educational Services


Venturing into the UK

OHMG began their first venture into GB. Our first contract was Stonehaven Aberdeenshire Residential Houses.


Construction of Ballymena Health Care Centre

Construction of Ballymena Health Care Centre. This build was Northern Ireland’s First Combined Health & Social Care Centre. It was awarded Best Primary Care Development UK 2016


Construction of Wellcome-Wolfson Building

Construction of Wellcome-Wolfson Building – Centre for Experimental Medicine, Queen’s University Belfast


Martin Lennon was appointed the Managing Director of OHMG


Redevelopment and rebuild of the IFA National Stadium


Second time winning CEF Awards Overall Winner for Windsor Park Stadium build


Our Project Manager wins Ireland’s Construction Manager of the Year Award.


Our first Great Britain Construction Award Winner – Boroughmuir High School – Building of the Year (Scotland).


Construction of the School of Biological Science, Queen’s University Belfast. CEF Educational Infrastructure Building of the Year 2019


After winning the CEF Educational Infrastructure Building of the Year, OHMG has completed 50 Award-winning projects


Award of DVA’s new Flagship Development at Hydebank, Belfast.


Construction starts on the new Lismore Comprehensive School, Craigavon.


Works begins at the Coca Cola Plant at Knockmore Hill, Lisburn.


OHMG commences new Partnership with Dublin City Council on a Multi-Party Framework Agreement for projects in excess €5m.


Our Mission

Inspiring our employees to deliver world-class, innovative projects whilst leading the way for sustainable growth.


OHMG have been at the forefront of delivering several projects to BIM level 2. In partnership with BMET, staff at all levels receive BIMcert training which will ensure OHMG are ready for BIM level 3 implementation.

OHMG have won over 20 quality, partnership and sustainability awards which reflects the commitment and professionalism of our staff.

OHMG have successfully delivered complex projects including Design and Build schemes, by working collaboratively with our clients and fully embracing new technologies, innovations and sustainable construction processes.

We have fully embraced the Deming Cycle of Plan, Do, Check, Act which delivers continuous improvement designed to satisfy our clients and end users by guaranteeing quality buildings.

Meet the Leadership Team

Tyrone Allard

Chief Executive Officer

Martin Lennon

Managing Director

Seanie O’Hare

Construction Director

Cathal O’Hare

Construction Director

Barry Murphy

Finance Director

Noel Hamilton

Commercial Director

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We take pride in being a privately owned, family-run business with an impressive history built on the pillars of integrity and responsibility.