We are one of the largest accountancy firms in Northern Ireland. Previously known as the Belfast office of ASM Chartered Accountants, we have become part of the Sumer Group. With a dedicated team of top-tier professionals attuned to our clients’ needs, you can count on us for invaluable business guidance precisely when it matters most.

As your business champion, we are committed to helping your business achieve its goals by putting your needs first. Whether you are looking to grow your business, manage your finances more effectively, or navigate complex regulatory challenges, we are here to support you every step of the way. 

We offer a plethora of services including Audit and Accounting, Corporate Finance, Forensic Accounting, Hospitality Services, Insolvency and Restructuring Services, Internal Audit and Tax Advisory. 

Sumer NI also services a diverse range of sectors including Hospitality and Tourism, Manufacturing and Industry, Retail and Consumer Goods and Distribution Services, Professional Services, Technology and IT, Property, Public Sector and Not-for-profit. 


Accounting

Consulting

Finance

Manufacturing

Professional Services

Sumer Northern Ireland

Sumer Northern Ireland's headquarters in Belfast, United Kingdom

Warren Mead

Adrian Patton

Stephen Burns

Richard Blakeman

Michael Nixon

Caroline Keenan

Sumer Northern Ireland

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