TJ O'Mahony

What TJ O'Mahony does

TJ O'Mahony is an Irish builders merchant and DIY retail chain operating under the legal entity HPC Sales Ltd, headquartered in Bluebell, Dublin 12. The company sells building materials, timber products, insulation and plastering, heating and plumbing supplies, tools and hardware, garden and landscaping products, doors, floors and joinery, paint and decorating supplies, bathrooms and kitchens, workwear and safety equipment, electronics, and home plus categories including fuel and outdoor equipment. It serves two primary customer segments: trade professionals (builders, contractors, tradespeople requiring bulk materials for construction projects) and DIY consumers (homeowners undertaking home improvement and maintenance projects). The company operates through a multi-format retail network of 19+ branches across 10 Irish counties, complemented by an e-commerce platform at tjomahony.ie built on Magento with Stripe payment processing and Klaviyo-powered email marketing. Subsidiary brands include HPC Insulation (specialist insulation vertical) and PH Ross Bathroom & Tile Showroom (acquired specialist retail brand with showrooms in three locations).

The business operates on a transactional retail revenue model with one-time purchases of physical goods, supplemented by trade account programs (Cash, ID Cash, and Trade Credit accounts with 30-day payment terms) that support repeat trade purchasing. Trade customers receive discounted trade pricing through registered accounts, while retail consumers pay standard prices with promotional 'Was/Now' offers. Distribution is omnichannel: same-day click & collect from any branch, nationwide delivery (free on orders over €400), and in-branch retail. Consumer finance partnerships with Klarna and HUMM Finance support installment purchasing for higher-value items. Channel partnerships include Euronics for household appliance distribution. The technology stack is conventional e-commerce rather than differentiated: standard Magento platform with no disclosed proprietary AI, data, or automation systems.

The go-to-market is sales-led, combining physical retail presence with e-commerce. TJ O'Mahony maintains a content marketing presence through its 'TJ's Tips' advice blog and email newsletter, targeting both trade and DIY audiences. The company's competitive positioning emphasizes its extensive physical branch network, established trade brand recognition, comprehensive product breadth across 12+ categories, and trade credit terms. Geographic scope is exclusively the Republic of Ireland with no disclosed international operations. The company is privately held with no disclosed external investors, funding rounds, or ownership changes; no specific founding date is documented in the source data, though the company is described as 'one of Ireland's established builders merchants' indicating a long operating history.

Name

TJ O'Mahony

Legal name

HPC Sales Ltd

Website

https://tjomahony.ie

Company type

Private

Operating status

Operating

Headcount range

251–500 employees

Short description

TJ O'Mahony is an Irish builders merchant and DIY retailer operating 19+ branches and an e-commerce platform across Ireland, selling building materials, timber, plumbing, heating, tools, garden, and home products to trade professionals and DIY consumers.

Ownership category

akta.pro rank

Product category

Building Materials Retail (Builders Merchant and DIY)

NAICS

Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers (42331), Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers (423310), Building Material and Supplies Dealers (4441)

SIC

Wholesale-Lumber, Plywood, Millwork & Wood Panels (5031), Wholesale-Lumber & Other Construction Materials (5030)

akta.pro primary industry

Construction Materials & Building Supplies Marketplaces (CRAFAHAB)

akta.pro secondary industry

Construction, Home Improvement & Building Materials Marketplaces (CRAFABAO)

Keywords

• Building materials supply
• Timber and insulation
• Heating and plumbing
• DIY retail stores
• Builders merchant

Headquarters

HQ city

Bluebell

HQ country

Ireland

HQ region

Europe

Offices20 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure, Technology or R&D

Revenue model

1. Retail Hardware & Building Materials Sales: Sale of building materials, timber, tools, hardware, garden products, paint, bathrooms, kitchens, electronics, and workwear to both trade and retail customers through physical branches and e-commerce

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels3 records

Core offering

TJ O'Mahony is an Irish builders merchant and DIY retailer (operated under legal entity HPC Sales Ltd) that sells building materials, timber, insulation, heating and plumbing supplies, tools, garden and landscaping products, doors, flooring and joinery, paint and decorating supplies, bathroom and kitchen fittings, workwear and safety equipment, and consumer electronics through 19+ branches and an e-commerce platform. The company serves both trade professionals (with 30-day credit trade accounts, quote-builder tools and dedicated trade pricing) and DIY/homeowners (with retail pricing, HUMM and Klarna finance options, and a home product range) across Ireland.

Product overview

TJ O'Mahony is an Irish builders merchant and DIY store operating as HPC Sales Ltd, offering a comprehensive range of building materials, timber products, insulation and plastering, heating and plumbing supplies, tools and hardware, garden and landscaping products, doors/floors/joinery, paint and decorating, bathrooms and kitchens, workwear and safety, electronics, and home plus products across 19+ branch locations throughout Ireland. The company serves both trade professionals and retail DIY customers, providing building materials such as blocks, bricks, cement, aggregates, reinforcement, lintels, and roofing products alongside timber products including rough timber, treated timber, MDF, plywood, and machined timber. Their extensive garden range includes composite decking (Trex), timber decking, paving, fencing, garden machinery, and outdoor living products. TJ O'Mahony provides additional services including branch finder, material calculators, quote builder, trade account services with credit terms, same-day click and collect, and nationwide delivery with free delivery on orders over €400.

Differentiator

Problem solved

Functional benefit

Products and services

• Building Materials

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature3 records

Partnerships

Five partnerships are on record, tiered minor and core.

• EuronicsminorChannel Partner/ Reseller/ DistributorEuronics is a trusted partner providing household appliances including cookers, dishwashers, washing machines, and other kitchen appliances sold through TJ O'Mahony stores.
• PH RosscoreChannel Partner/ Reseller/ DistributorPH Ross operates as bathroom and tile showroom branches under the TJ O'Mahony group, with locations in Cabra, Bluebell, and Naas. Part of the HPC Sales Ltd trading group.
• HPC InsulationcoreChannel Partner/ Reseller/ DistributorSpecialized insulation branch located in Dublin, operating under HPC Sales Ltd trading as TJ O'Mahony.
• HUMM FinanceminorChannel Partner/ Reseller/ DistributorConsumer finance option allowing customers to pay for purchases in installments.
• Klarna FinanceminorChannel Partner/ Reseller/ DistributorConsumer finance option allowing customers to pay for purchases in installments.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Market position

Competitive moat4 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about TJ O'Mahony