Part of the Sumer Community

Business champions

In 2023, Carpenter Box became part of Sumer – a collaboration of renowned regional accountancy practices with a shared vision to champion local small to medium-sized enterprises.

Carpenter Box joins Sumer Group

By bringing together the best in business services, Sumer retains the value that community-based practices offer and combines this with the scale, breadth of expertise and technologies that only a national organisation can muster.

Through our unique approach, we believe we can make a real positive impact and achieve growth for our company, our staff and our clients. Together, we are about doing the right things, putting people first and delivering the best possible services to those who sit at the heart of our economy and communities.

Founded in 2023, Sumer boasts over 1,000 champions and achieved a turnover in excess of £100 million just 12 months after its first acquisition. It operates with nine Hubs, including: Monahans, RMT Accountants & Business Advisors, RT Marke & Co, Jerroms, Simmons Gainsford, Carpenter Box, Cowgills, EQ Accountants and Scrutton Bland.

Alan Edwards, Managing Partner

“We are delighted to be joining Sumer Group, who share our vision and values. Our partnership represents a significant milestone in the Carpenter Box journey. It will support our ambitions to enhance the value we offer to our clients, achieve growth plans for our firm, and provide further opportunities for our team.”

Warren Mead, Chief Executive Officer of Sumer

“Alan and his team have built an outstanding business at Carpenter Box and we are delighted to welcome them. Their range of services and sector specialisms sets them apart from other firms on the South Coast. This is another huge step forward for the Sumer Group.”


About Sumer

Sumer is the UK’s leading mid-market accountancy practice delivering professional support to small and medium-sized enterprises (SMEs) across the UK. It is a top 15 UK accountancy practice on a mission to champion SME businesses and offer local delivery, supported by national expertise.

Since its inception, Sumer has grown rapidly through acquisition. It now employs over 1,000 champions, across 40 offices, and generates an annual turnover of over £100 million, emerging as a key accountancy player.

Sumer’s strategy revolves around acquiring only leading regional practices that share the same ethos, values and approach. This in turn forms regional Hubs throughout the UK, focused exclusively on the SME market. Sumer provides Hubs with access to a broader range of services for clients, technology and compliance support, funding for further acquisitions, and opportunities for Hub colleagues.

To find out more, visit the Sumer website.