OVERVIEW

Highlights from our January 2026 Valuation Barometer, covering deals and valuation multiples in UK M&A in December 2025. Request the Executive Summary below.

HIGHLIGHTS

As of the publication date, 292 UK M&A deals were announced in December 2025. In addition to the most up-to-date figure at the time of publication, we also report an estimated total for the month, which includes a provision for deals completed during the month but not reported until after the report cut-off date.

DEAL COMMENTARY

The largest deal was Stonepeak’s acquisition of BP’s Castroll lubricant business for £7.5 billion.

SPOTLIGHT TRANSACTIONS

Other deals during December included:

• BasePoint Capital’s acquisition of International Personal Finance PLC (IPF) for £543 million.
• Valmet Corporation’s acquisition of Severn Group for £358 million.
• Halma PLC’s acquisition of E2S Group Ltd for £230 million.

The smaller end of the market witnessed the following deals:

• Flight Centre Travel Group’s acquisition of Iglu for £127 million.
• Inwido AB’s acquisition of Victorian House Window Group for £33 million.
• Netcall PLC’s acquisition Jodu for £19.2million.
• Digital Ticketing Systems’ acquisition of Christie Group PLC for £1.4 million.

Request the executive report below. Please contact doug@marktomarket.io to discuss access to the full list of deals in the MarktoMarket Valuation Barometers.

For the full list of previous Barometers – visit our reports page.