TSB Banking Group: Acquired by Santander in €3.1B Deal
Deal News | Jul 03, 2025 | Iberian Lawyer

Santander is acquiring 100% of TSB Banking Group from Banco Sabadell for €2.65 billion (approximately €3.1 billion) in an all-cash transaction, announced on July 1, 2025. The acquisition will enhance Santander's market position in the UK, making it the third-largest bank by personal current account balances and the fourth largest in mortgages. TSB's retail and commercial customers will gain access to Santander's international network and technology platforms. The transaction, advised by A&O Shearman, requires regulatory and shareholder approvals and is expected to finalize in Q1 2026. A&O Shearman's M&A team is led by partners Hugh Robinson, Inigo del Val, Jane Finlayson-Brown, Bob Penn, and David Weaver, along with their supporting team.
Sectors
- Banking
- Legal Advisory
Geography
- United Kingdom – The acquisition significantly impacts Santander's operations and market position within the UK banking sector.
- Spain – Banco Sabadell, the selling company, is headquartered in Spain, making it a relevant geography for this deal.
Industry
- Banking – The acquisition involves major banking institutions Santander and TSB Banking Group, impacting the financial services and lending market.
- Legal Advisory – A&O Shearman's involvement in advising on this major transaction highlights the role of legal advisory services in executing M&A deals.
Financials
- €3.1 billion – The total transaction value of the acquisition of TSB by Santander.
Participants
| Name | Role | Type | Description |
|---|---|---|---|
| Santander | Bidding Company | Company | Santander is a leading global bank acquiring TSB to enhance its presence in the UK market. |
| TSB Banking Group | Target Company | Company | UK-based banking group being acquired by Santander. |
| Banco Sabadell | Selling Company | Company | Spanish bank selling its 100% stake in TSB Banking Group to Santander. |
| A&O Shearman | Legal Advisor | Company | Provided legal advisory services for Santander in the acquisition process. |
| Hugh Robinson | M&A Partner | Person | Led A&O Shearman's legal advisory team. |
| Inigo del Val | M&A Partner | Person | Key M&A partner at A&O Shearman. |