Sumer NI

We are one of the largest accountancy firms in Northern Ireland, formerly the Belfast office of ASM Chartered Accountants, now part of the Sumer Group.

Our skilled team is focused on understanding and meeting our clients' needs, providing essential business guidance when it is needed most.

We serve both public and private sectors and recognise that every business is unique. Therefore, we offer a variety of tailored solutions, including audit services, customised tax planning, and succession planning advice, to help businesses thrive and build resilience.