Committee publication · Correspondence · 13 May 2026

Correspondence with Mahesh Aditya, CEO of Santander, on the acquisition of TSB, dated 1 May 2026

From: Treasury Committee

Summary

Santander UK CEO Mahesh Aditya notifies the Treasury Committee Chair that Santander has completed its acquisition of TSB on 30 April 2026 following regulatory approval. Both entities will remain separate legal entities until Part VII scheme approval, expected in H1 2027. No immediate customer impact is anticipated, and the combined group aims to strengthen UK banking competitiveness.

Key findings

  • Acquisition completed 30 April 2026 with approval from Prudential Regulation Authority and European Central Bank
  • TSB and Santander UK to operate as separate legal and regulated entities until Part VII scheme approval in H1 2027
  • No immediate operational impact on customers of either bank; existing products and services continue unchanged
  • Combined entity positioned as significant competitive banking group strengthening UK sector competitiveness

Tone

Procedural

Topics

banking-regulationmergers-acquisitionsfinancial-services

Key actors

Mahesh Aditya, Dame Meg Hillier MP, Santander UK plc, TSB, Prudential Regulation Authority, European Central Bank, Financial Conduct Authority

Notable line

Santander UK completed its acquisition of TSB on 30 April 2026, following regulatory approval from the Prudential Regulation Authority and the European Central Bank.

Key Quotes

Santander UK completed its acquisition of TSB on 30 April 2026, following regulatory approval from the Prudential Regulation Authority and the European Central Bank.
Mahesh Aditya · notification of transaction completion
There will be no immediate impact on customers of either Santander UK or TSB as a result of this announcement
Mahesh Aditya · reassurance on customer continuity
By bringing together two strong and complementary banks, and by continuing to invest, innovate, and improve our processes and efficiency, we are creating one of t he UK's most significant and competitive banking groups.
Mahesh Aditya · rationale for integration
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Source · parliament.uk record ↗