London, 14 January 2026: HW Fisher, part of Sumer Group, the fastest-growing mid-market accountancy practice, welcomes specialist medical accountancy practice Ramsay Brown LLP to the firm, further strengthening its commitment to growth within specialist sectors.
Founded and led by Laurence Slavin, Katie Collin, and Anil Sookharry, Ramsay Brown has been a trusted partner for GPs, practices, consultants and healthcare organisations, as well as Primary Care Networks (PCNs), for many years. Recognised nationwide as an expert thought leader in medical accountancy, Ramsay Brown offers unmatched sector knowledge to support thousands of clients.
This acquisition strengthens HW Fisher’s specialist services by integrating Ramsay Brown’s expertise in accounting for medical professionals and businesses and understanding of the healthcare networks in which they operate. By combining breadth of offering and technical expertise, together HW Fisher and Ramsay Brown provide a comprehensive service to help clients navigate compliance, NHS funding, and medical business structures.
The NHS and general practice are under immense strain; this acquisition by HW Fisher responds to growing demand for enhanced specialist healthcare solutions, meeting the needs of the complex accounting and governance systems in which these professionals and businesses operate.
Laurence Slavin, Partner at Ramsay Brown LLP, said, “Joining HW Fisher and the Sumer Group represents a real opportunity to enhance our market presence and client capabilities. Working within the complex medical accountancy space, we are finding our clients are needing more support than ever before, and together with HW Fisher this represents a real opportunity to broaden the services we offer and support even more healthcare organisations and the vital professionals who work within them.”
Katie Collin, Partner at Ramsay Brown LLP added, “Ramsay Brown has helped healthcare professionals navigate complex accounting challenges for decades, and we couldn’t think of a better partner to continue this legacy with than HW Fisher. Healthcare policy changes are coming thick and fast, so specialist support is becoming ever more vital for those operating across the primary care sector. Joining HW Fisher unlocks new opportunities for growth against this backdrop, and we are looking forward to joining the wider team.”
Andrew Rich, Managing Partner at HW Fisher, says, “I am thrilled to welcome Laurence, Katie, and the wider Ramsay Brown team to HW Fisher. Their deep sector knowledge represents a natural extension to our existing practice offering, enhancing our services and meeting the ever changing and complex needs of our clients. The Ramsay Brown team deliver market-leading solutions to their clients, and the depth of their expertise will perfectly enhance our existing healthcare sector offerings across audit, tax, and advisory.
“We are all acutely aware of the financial strains the NHS and healthcare professionals are under, and we are proud to support Laurence, Katie and the team in their continued growth and the new opportunities this will create for both our clients.”
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About HW Fisher:
HW Fisher is part of the Sumer Group, a top 12 accountancy practice. We provide expert accountancy, audit, tax, corporate and financial advisory services to high-profile entrepreneurial SMEs, not for profits, large corporates and high net-worth individuals. We also keep it personal by enabling entrepreneurial high net-worth individuals to concentrate on expressing their talent while depending on ours for their accountancy and financial planning.
Find out more at hwfisher.co.uk
About Ramsay Brown LLP:
Ramsay Brown LLP is a chartered specialist medical accountancy firm providing tax and accounting services for the UK’s medical sector. For decades, the firm has supported thousands of healthcare professionals and organisations operating, primarily, across the primary care sector, including GP practices and Primary Care Networks.
Find out more at ramsaybrown.com
About Sumer:
Sumer is the UK and Ireland’s leading mid-market accountancy practice delivering professional support to small and medium-sized enterprises (SMEs) across England, Scotland and Northern Ireland. A top 12 UK practice, Sumer is on a mission to champion SME businesses and offer local delivery supported by national expertise.
Since its inception, Sumer has grown rapidly through acquisition and organic growth. It now employs more than 3,000 champions, across more than 60 offices, and generates annual revenues exceeding £265 million.
Sumer’s strategy focuses on partnering only with leading regional practices that share the same ethos, values and approach. The Group includes BHP, Carpenter Box, Cowgills, DPC Accountants, EQ Chartered Accountants, HW Fisher, Jerroms, Monahans, RMT Accountants & Business Advisors, R.T. Marke & Co Ltd, Scrutton Bland, Simmons Gainsford Group and Sumer Northern Ireland.
Find out more at https://sumer.co.uk
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