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Sumer Group acquires Moore Thompson (2026)
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acquisitionAnnounced · Feb 19, 2026accountancy and advisorySource · CredibleArticle · Factual
Moore Thompson
Sumer Group
Moore Thompson · Sumer Group

Sumer Group acquires Moore Thompson

David Najork
David Najork · Founding Software Engineer
Announced · Updated · 1 min read
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Deal value
Target
Moore Thompson
Moore Thompson
Spalding, Lincolnshire
Acquirer
Sumer Group
Sumer Group
Full Acquisition
Status
Announced

Sumer Group has acquired Moore Thompson, a longstanding accountancy and advisory firm in the East of England, as it seeks to enhance its regional presence and bolster support for agricultural and rural businesses. This acquisition underscores Sumer's strategy to deepen its footprint in key UK regions, focusing on community-based service delivery.

Moore Thompson, with its century-old heritage, employs 100 professionals across offices in Spalding, Wisbech, Market Deeping, Peterborough, and Stamford. Known for its relationship-driven approach, the firm specializes in serving SMEs, family-run businesses, and charities, particularly within the agricultural sector. The financial terms of the acquisition remain undisclosed. Warren Mead, CEO of Sumer, highlighted that Moore Thompson's alignment with Sumer’s values was pivotal in the decision, emphasizing the acquired firm’s trusted community standing.

This acquisition marks a strategic addition to Sumer’s existing operations in the Northeast, Yorkshire, and East Anglia, complementing prior acquisitions of RMT Accountants and BHP in these regions. By integrating Moore Thompson, Sumer aims to offer expanded local services with the support of its national framework, thereby enhancing both client offerings and internal professional opportunities.

In the UK accountancy sector, mid-tier firms like Sumer are actively consolidating to expand their influence and service capability. This trend reflects an industry-wide movement towards regional diversification and sector specialization, catering to niche markets such as agriculture which are vital to local economies.

Looking ahead, the integration of Moore Thompson into Sumer Group will focus on leveraging Moore Thompson’s established client relationships while introducing broader expertise and service capabilities. Both parties anticipate a seamless transition, promising enhanced service delivery for clients across the East of England.

Deal timeline

Announced
Feb 19, 2026 · accountancyage.com
Additional milestones (proxy, vote, close) appear as filings and press updates are indexed.
Sector context

This transaction is classified in accountancy and advisory. Figures and status may change as sources update.

Sources: accountancyage.com · Primary article · FireStrike proprietary index