Sumer Group is delighted to announce a significant milestone in this year’s Top 50+50 Accountancy Firms rankings. We have risen four places, moving from 16th to 12th — a clear indication of our continued growth and the strength of our people.
Based on the data within the 2025 table, Sumer Group stands out as the fastest-growing firm within the UK’s Top 15. This accomplishment reflects the impact of our regional-first approach and the collective ambition across the Group.
“This achievement is a testament to the outstanding teams across Sumer Group who consistently deliver exceptional service to clients. Our growth reflects the value we bring to businesses and communities nationwide, and we’re energised by the opportunities ahead.”
James Taylor, Chief Client Officer at Sumer Group
The rise in the rankings follows a year of significant investment in talent, technology and client experience — all aligned with our mission to build the UK’s leading SME-focused accountancy group.
As we look ahead, we remain committed to helping clients realise their ambitions and supporting the growth of local businesses across every region we serve.
