Leading network unlocks international reach for top SME accounting firm
Sumer, the UK’s fastest-growing accountancy firm, joins GGI Global Alliance, the leading international network for professional services firms. This membership unlocks new international growth opportunities for Sumer and the SMEs it proudly serves.
Generating an annual cumulative fee income exceeding USD 6.35 billion (£5.08B), GGI boasts a powerful network of over 870 offices, across 126 countries, offering a one-stop shop for global accounting, legal and consulting services.
By joining as an independent member firm, Sumer strengthens its ability to support clients’ ambitions for international expansion, share best practices, and drive innovation at scale.
Recognised as a top 20 UK accountancy practice by Accountancy Age’s Top 50+50, Sumer has rapidly scaled operations, achieving a remarkable 605% growth in total fee income since 2023. Powered by a dedicated team of 2,200 colleagues, the firm’s success stems from a strategic blend of targeted acquisitions and exceptional organic expansion. This alliance will fuel sustained growth while preserving Sumer’s commitment to service quality.
Warren Mead, Chief Executive Officer of Sumer said: “We set out to provide SMEs with world-class business advice, enabling firms to thrive, grow, and generate economic prosperity in their communities. GGI has one of the strongest global networks of any accountancy association, and they stood out not only for the depth of their network but for their remarkable cultural alignment. Beyond professional credentials, they have made us feel genuinely valued and welcomed.”
Marco Izzo, Chief Operating Officer at GGI Global Alliance added: “With Sumer Group’s extensive presence across England, Northern Ireland and Scotland, we do not doubt that Sumer’s contribution will be instrumental in fostering even further the collaboration and business exchange opportunities between GGI members worldwide.”
Sumer’s strategy involves forming regional Hubs dedicated to serving the SME market. These Hubs play a vital role in empowering local communities and strengthening the wider economy by providing greater access to expertise, technology and a comprehensive range of services.
Sumer Hubs include: Carpenter Box, Cowgills, DPC Accountants, EQ Chartered Accountants, Jerroms, HW Fisher, Monahans, RMT Accountants & Business Advisors, R.T. Marke & Co Ltd, Scrutton Bland, Simmons Gainsford Group, and Sumer Northern Ireland.
