BDO UK and BDO Ireland finalise merger to form $1.4bn business

BDO's practices successful the UK and Ireland person combined to signifier a azygous business, BDO LLP, creating 1 of Europe's largest accountancy and advisory organisations.

The merger took effect connected 4 July 2026, aligned with the commencement of the companies' caller fiscal year. It adds BDO Ireland's bases successful Dublin and Limerick to BDO UK's 17 existing offices crossed its network.

The unified institution volition person an yearly gross of adjacent to £1.1bn ($1.4bn), with a headcount of astir 8,500 and astir 500 partners.

BDO LLP brings unneurotic 2 practices that person worked unneurotic extensively connected cross-border mandates, shared endowment programmes and associated assemblage projects implicit galore years.

Mark Shaw volition proceed arsenic managing spouse of the merged entity and Brian McEnery remains determination managing spouse for Ireland.

Shaw said: "The accountancy assemblage is transforming to bespeak changing lawsuit needs and the tendency for person planetary working. At the aforesaid time, advances successful exertion and AI are changing the mode businesses run and the expectations they spot connected their advisers.

"Bringing BDO UK and BDO Ireland unneurotic is our effect to that shift, creating greater scale, capableness and concern capableness for the future. Today marks an important milestone successful that travel and the opening of the adjacent section of our maturation story."

The institution said it volition support concern successful areas including lawsuit service, quality, integer tools and radical development.

BDO LLP continues arsenic portion of BDO International, the planetary web with revenues of astir $11bn. The web covers 169 countries and territories and employs much than 95,000 radical successful 870 offices.

McEnery said: "This is simply a merger built connected a instauration of shared civilization and communal respect.

"Clients volition summation entree to a wider web of specialists crossed the UK and Ireland, portion our radical volition payment from greater opportunities for collaboration, improvement and semipermanent growth.

"Together, we are gathering a stronger level for our clients, our colleagues and our future."

"BDO UK and BDO Ireland finalise merger to signifier $1.4bn business" was primitively created and published by International Accounting Bulletin, a GlobalData owned brand.