Simmons Gainsford welcomes Fortis Accountants
London based accountancy firm Simmons Gainsford, part of Sumer Group, the UK’s fastest-growing mid-market accountancy practice, is pleased to announce that Fortis Accountants, a well-established firm serving the West London community, has now joined the Simmons Gainsford team.
This move strengthens Simmons Gainsford’s presence in West London and enhances its ability to support small and medium-sized businesses with a broader range of professional services delivered by a trusted local team. Fortis Accountants has built a strong reputation for high-quality client service and deep regional knowledge.
Darren Hersey, managing partner at Simmons Gainsford, said: “We are delighted to welcome Fortis Accountants to Simmons Gainsford. Their excellent reputation and strong client relationships in West London aligns perfectly with our mission to champion SMEs across the UK. This marks another important milestone in our growth journey.”

Harry Theocharous of Fortis Accountants added: “Joining Simmons Gainsford marks an exciting new chapter for our firm. Our clients will benefit from wider service capabilities while continuing to work with the same team they know and trust. We’re proud to join an organisation that shares our commitment to supporting SME businesses and the communities we serve.”

