Merry Mullen in Dublin Joins Alliott Global Alliance

Merry Mullen provides a comprehensive range of professional services, including audit and assurance, tax compliance and advisory, corporate tax, business advisory, corporate finance, insolvency and restructuring, payroll and bookkeeping, company secretarial, outsourced finance functions, and succession and exit planning for business owners.

The firm advises Irish businesses expanding overseas and foreign companies investing in Ireland. Its cross-border expertise includes tax planning and structuring, transfer pricing, holding companies, VAT and regulatory compliance, and business expansion projects. The team at Merry Mullen work mainly across the construction, professional services, distribution, private client and insurance sectors.

An award-winning practice, Merry Mullen was named Medium Practice of the Year at the 2025 Irish Accountancy Awards and was a finalist this year.

Partner Declan Merry comments: 

“Supporting clients with their international ambitions is an important part of our work. Our combination of local knowledge, service offering, cross-border expertise and practical commercial advice enables us to help Irish businesses expand overseas and international companies establish and grow their operations in Ireland.

“We have particular experience working with clients in the UK, the US and Europe and, initially look forward to developing strong links with colleagues at AGA firms across these important regions.”

AGA’s Global CEO Giles Brake adds:

“We are delighted to welcome Merry Mullen to AGA. Ireland plays an important role in international business, particularly for companies establishing European headquarters, structuring their cross-border operations and investing into Europe. We are seeing increasing demand in these areas from member firms supporting clients across North America, Europe and beyond, so strengthening our presence in Ireland has been a clear priority.

"Merry Mullen’s profile, ambition and international outlook make the firm an excellent fit for AGA, and we see significant potential to build new cross border opportunities together.”

About Merry Mullen:

Merry Mullen, Alliott Global Alliance’s accounting, audit and tax representative in Ireland, is an independent, partner-led firm based in Dublin.

Established in 1945, the firm advises Irish businesses, family enterprises and international investors throughout their business journeys. Its experienced team combines technical expertise and commercial insight with the personal service of an independent practice.

Merry Mullen was named Medium Practice of the Year at the Irish Accountancy Awards 2025.

For further information, visit www.merrymullen.ie.

About Alliott Global Alliance:

Founded in 1979, Alliott Global Alliance is a global alliance of independent law and accounting, firms, operating from more than 340 offices in over 100 countries and providing clients with coordinated, multidisciplinary support worldwide through a trusted global platform. The Alliance is ranked in Chambers and Partners and Legal 500 as a Leading Law Firm Network, reflecting the strength and international capability of its legal practices — Together as One.

Our firms share a common purpose: to exchange knowledge, capability, and opportunity in ways that strengthen their businesses and make the world smaller for the clients they serve. This collaboration is underpinned by a spirit of openness and mutual respect, enabling each to broaden its experience, deepen its expertise, and achieve greater success through coordinated international collaboration.

Alliott Global Alliance continues to expand its global presence, with a strategic objective to be represented in 120 countries by 2030. A limited number of affiliation opportunities remain available for independent professional firms that meet our standards and share our commitment to international collaboration. For further information, please contact membership@alliottglobal.com