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About us

O Sullivan Bros (OSB Group) have four outlets in the Republic of Ireland.

We are Ireland’s largest specialist supplier of material to the furniture manufacturing trade and DIY Enthusiasts



Our story began 45 years ago in May 1978 with two brother and their aim was to supply material for the fitted kitchen,

bedrooms and DIY at competitive prices.

Our founders were John & Neil O Sullivan born into a hard-working class family.

They worked in a small DIY centre until they decided they could do this themselves.

Striking Out Alone.

In 1978 they started in a very small premises not far from where they were born. The business was progressing well so in 1980 they built a new premises in Hollyhill Industrial Est, where the business went from strength to strength. They then extended the premises on a few occasions.

In 1988 Ten year anniversary!!



In 1994, John retired, and Neil took on the complete running and operations of the business

with the help of loyal staff members until his sudden passing in February 2016.

Now the family continue his legacy.

Their aim is to continue to progress the company with professional and excellent service.


The idea Spreads.

In 2007 we opened our first branch in Mullingar.

In 2017 we followed with our Dublin Branch

In 2022 we followed with our Togher Branch in Cork City

And finally we have our newly renovated showroom in Hollyhill Cork

Bright Future


This business has progressed profusely and its due to our loyal staff and determination to supply excellent products and service to all our standing and potential customer



“O Sullivan Bros, is not merely a name above door, it is a legacy to the O Sullivan Family”