100% Irish owned and part of the HPC Group, TJ O'Mahony supplies trade professionals, contractors and homeowners with building materials, home improvement products and practical expertise.
100% Irish owned
Trade & DIY
Branches nationwide
Part of the HPC Group
Who we are
Serving Ireland's Trade & Home Improvement Customers
TJ O'Mahony is a 100% Irish-owned business and part of the HPC (Home Project Centre) Group. We have been supplying the construction and home improvement sectors for over 50 years.
Today, we support professional builders, contractors, tradespeople and homeowners with a broad range of building materials, timber, insulation, tools, hardware, heating and plumbing, paint, landscaping, doors, flooring and home improvement products.
Our focus remains straightforward: quality products, practical knowledge and dependable service — in branch and online.
Experience you can rely on
Built on Service, Knowledge & Choice
Our branches combine local knowledge and experienced teams with the buying strength and specialist expertise of the wider HPC Group.
Whether our customer is managing a construction project, working on site, renovating a home or completing a DIY job, our aim is to make it easier to find the right products and get the job done.
Our online store extends that service beyond the branch, allowing customers to browse and order thousands of products, arrange delivery or choose Click & Collect where available.
Part of something bigger
The HPC Group
TJ O'Mahony is part of the HPC Group, an Irish-owned group of businesses serving the construction, trade and home improvement markets.
The Group brings together builders providers, specialist divisions and digital businesses, combining local service with expertise across building materials, insulation, heating, plumbing, bathrooms, tools and home improvement.
Builders providers
TJ O'Mahony
Building materials, timber, insulation, tools, hardware, landscaping and home improvement products for Trade and DIY customers.
Heating & plumbing
PH Ross
Specialist plumbing, heating, bathroom and renewable solutions for residential and commercial projects.
Specialist insulation
HPC Insulation
Insulation products, systems and specialist expertise supporting construction and retrofit projects.
Online hardware
Handy Hardware
An online offering across tools, hardware, workwear, safety and related product categories.
What we do
Products & Expertise for Every Stage of the Project
Our range supports construction, renovation, maintenance and home improvement projects for both professional and DIY customers.
Construction
Building Materials
Core building, roofing and construction materials for projects of every scale.
Building fabric
Timber & Insulation
Timber, sheet materials, plastering, insulation and airtightness products for new-build and retrofit projects.
Trade essentials
Tools & Hardware
Power tools, hand tools, fixings, hardware, workwear and safety products from leading brands.
Home improvement
For Inside & Outside the Home
Paint, doors, flooring, bathrooms, landscaping, garden, electrical and home improvement products.
Our branch network
Local Knowledge. Nationwide Network.
Our branches bring TJ O'Mahony closer to customers across Ireland, combining local knowledge and experienced teams with the product range and resources of the wider HPC Group.
From Dublin and the surrounding counties to the Midlands, West, South and South-East, our branch network supports Trade and DIY customers with building materials, timber, insulation, tools, hardware and home improvement products.
Find your nearest TJ O'Mahony branch to view opening hours, contact details and available services.
Our strength comes from combining a broad product range with experienced people who understand the jobs our customers are trying to complete.
Over 50 Years of Experience
Decades of experience serving Ireland's construction, trade and home improvement sectors.
Trade & DIY
Products, services and practical support for professional customers and homeowners.
Local Branch Expertise
Knowledgeable teams providing practical advice and support across our branch network.
Shop In Branch & Online
More flexibility to browse, buy, arrange delivery or use Click & Collect on eligible products.
All You Need to Get the Job Done
From building materials and specialist products to tools, hardware and home improvement, TJ O'Mahony is here to support your next project.
More about TJ O'Mahony
People, Responsibility & Community
Learn more about the people behind our business, the practical steps we're taking to operate more responsibly and our connection with communities across Ireland.
Careers at TJ O'Mahony
Our people are central to the service we provide. Explore career opportunities with TJ O'Mahony and learn more about working as part of the wider HPC Group.
With branches across Ireland, we're proud of our connection with the communities we serve and the local initiatives, organisations and activities we support.
TJ O'Mahony is a 100% Irish-owned builders provider and home improvement business serving professional builders, contractors, tradespeople and homeowners. TJ O'Mahony is part of the HPC Group.
What products does TJ O'Mahony supply?
Our range includes building materials, timber, insulation and plastering products, heating and plumbing, tools and hardware, doors and flooring, paint and decorating, landscaping, electrical and a wide range of home improvement products.
Is TJ O'Mahony part of the HPC Group?
Yes. TJ O'Mahony is part of the HPC Group, an Irish-owned group of businesses serving the construction, trade and home improvement markets.
What businesses are part of the HPC Group?
The Group includes TJ O'Mahony, PH Ross, HPC Insulation and Handy Hardware, bringing together complementary expertise across building materials, heating and plumbing, insulation, tools, hardware and home improvement.
Where can I find a TJ O'Mahony branch?
TJ O'Mahony has a network of branches across Ireland, supporting Trade and DIY customers with building materials, timber, insulation, tools, hardware and home improvement products. Visit our Branch Finder to find your nearest TJ O'Mahony branch, including opening hours, contact details and available services.
Where are the PH Ross bathroom showrooms?
PH Ross has dedicated bathroom showrooms in Limerick, Cabra and Prosperous, where customers can explore bathroom ranges and get advice from specialist teams. PH Ross also supplies plumbing, heating and renewable solutions for residential and commercial projects. Visit our PH Ross Plumbing, Heating & Bathroom page for more information.
Does TJ O'Mahony serve both Trade and DIY customers?
Yes. We serve professional builders, contractors and tradespeople as well as homeowners and DIY customers. Eligible professional customers can also apply for a TJ O'Mahony Trade Account.
Can I shop with TJ O'Mahony online?
Yes. Customers can browse and purchase thousands of products online, with delivery and Click & Collect options available depending on the product and location.
