Welcome to Sumer NI
Sumer NI is one of the largest accountancy firms in Northern Ireland, with 9 Partners and over 100 staff.
Working across public and private sectors, they understand that every business is unique, which is why they offer a range of innovative solutions that are tailored to their clients’ specific needs.
From audit services and bespoke tax planning through to advising you on succession planning, they have the tools and expertise to build resilience and help businesses succeed.
Since 2024, they are part of GGI-member Sumer, a collaboration of renowned regional accountancy practices with a shared vision to champion local small to medium-sized enterprises. By bringing together the best in business services, Sumer retains the value that community-based practices offer and combines this with the scale, breadth of expertise and technologies that only a national organisation can muster.