Acquisition
Sumer Acquires Moore Thompson to Strengthen East of England Presence
•February 19, 2026
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Why It Matters
The acquisition strengthens local support for community‑based businesses, especially in agriculture, at a time when regional resilience is critical. It demonstrates how larger networks can enhance service depth without sacrificing the personal touch that small firms value, offering a model for sustainable growth in the professional services sector.
Deal Summary
Sumer announced the acquisition of Moore Thompson, a century‑old accountancy and advisory practice with 100 staff across the East of England. The deal expands Sumer’s footprint in the region and adds agricultural and rural business expertise to its portfolio. The acquisition complements Sumer’s existing hubs in the Northeast, Yorkshire and East Anglia.
Article
Source: Accountancy Age
Sumer Bolsters East of England Presence with Moore Thompson Acquisition
Author: Accountancy Age
Date published: February 19 2026
Category: Company News
Sumer welcomes Moore Thompson, deepening its commitment to community‑based businesses across the East of England
UK – Sumer has announced that Moore Thompson, a long‑established accountancy and advisory practice in the East of England, has joined the Group. The partnership expands Sumer’s presence across an important regional corridor and strengthens the support offered to agricultural and rural businesses; sectors that sit at the heart of many local communities.
With 100 colleagues and offices in Spalding, Wisbech, Market Deeping, Peterborough and Stamford, Moore Thompson has been advising SMEs, family‑run businesses and charities for more than a century. The firm is recognised for its approachable, relationship‑driven style of service. Its strong agricultural client base adds further depth to one of Sumer’s core sector specialisms.
The addition of Moore Thompson enhances Sumer’s growing reach along the east coast of England, complementing existing hubs in the Northeast (RMT Accountants), Yorkshire (BHP) and East Anglia (Scrutton Bland). This expanded footprint strengthens Sumer’s ability to offer clients local delivery supported by national expertise, while creating new opportunities for colleagues across the Group.
Warren Mead, Chief Executive Officer of Sumer, said:
“Moore Thompson is a trusted and respected practice with deep roots in the community. Mark and the team have built a firm that truly partners with its clients. Their values and approach align closely with ours, and we’re delighted to welcome them to Sumer.”
Mark Hildred, Managing Partner of Moore Thompson, commented:
“Joining Sumer is a hugely positive step for our firm, our colleagues and our clients. We’re proud of our heritage and the personal relationships we’ve built over many decades. Becoming part of Sumer allows us to retain everything that makes Moore Thompson special, while giving us access to wider expertise and new services which will benefit our clients. It’s an exciting opportunity, and we look forward to working with our colleagues across the Group to support even more businesses in the East of England.”
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