Welligence Europe Q4 2025 M&A Quarterly | M&A hits a four year quarterly high
European upstream M&A hit a four year quarterly high in Q4 2025, driven by renewed North Sea dealmaking. The report tracks 11 transactions across the…
Read MoreWelligence | Weekly Quick Takes
This report provides our clients with access to the key postings on our LinkedIn page. It is regularly updated, with the most recent posts sitting…
Read MoreWelligence UK M&A | Serica Energy acquires Spirit Energy’s Southern North Sea assets
Serica Energy’s acquisition of Spirit Energy’s Southern North Sea portfolio reshapes its UK gas production base. The transaction brings equity in Cygnus, plus interests in…
Read MoreGlobal M&A | Global Upstream deal-making in December 2025 – a summary
Ten deals were announced in December 2025, continuing the strong end to the year. The monthly spend level was also the second highest of the…
Read MoreWelligence UK M&A | Harbour Energy acquires Waldorf Production
Harbour Energy’s acquisition of Waldorf Production’s UK North Sea assets reshapes the company’s portfolio and tax profile. The transaction deepens exposure to the operated Catcher…
Read MoreWelligence UK M&A | TotalEnergies merges UK business with NEO NEXT
UK North Sea M&A accelerates as TotalEnergies merges its UK upstream portfolio with NEO NEXT, creating NEO NEXT+. The combined business becomes the largest oil…
Read MoreGlobal M&A | Global Upstream deal-making in November 2025 – a summary
Ten deals were announced in November 2025, a big step up from the prior month and above the rolling 12-month average. There were no large…
Read MoreOffshore Electrification Sinks in the New Tide of Upstream Decarbonization
Offshore electrification in the North Sea is becoming increasingly uneconomic, even with Norwegian carbon prices reaching 237 USD/ton by 2030, pushing Norway and the UK…
Read MoreUK M&A | Perenco acquires 50% stake in Blythe & Elgood
Perenco’s M&A move in the Southern North Sea adds a 50% operated stake in the Blythe and Elgood gas fields. It acquires the interest from…
Read MoreGlobal M&A | Global Upstream deal-making in October 2025 – a summary
Just three transactions were announced in October 2025, half the rolling 12-month average. Serica Energy and Tenaz Energy continued their respective expansion drives in the…
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