TSB Banking Group
2026
Why
Cash acquisition by Santander UK from Banco Sabadell, completed April 30, 2026, adding over four million UK customers and at least ~$528 million (GBP 400 million) of expected cost synergies.
Banco Santander, S.A.
Diversified Banking and Financial ServicesFounded 1857- HQ today: Boadilla del Monte, Madrid, Spain
Reviewed by Swet Parvadiya
Company data updated: October 2026
Acquisitions
Santander Acquisitions
7
Major Deals Covered
$12.2B
Disclosed Deal Value
What are Santander's biggest acquisitions?
Santander's largest disclosed acquisition here is Webster Financial Corporation for $12.2B in 2026. This page covers 7 major deals from 1996 to 2026, each with its price where disclosed and the reason behind it.
- Major deals covered
- 7
- Largest deal
- Webster Financial Corporation ($12.2B)
- First deal
- 1996
- Most recent
- 2026
| Company | Year | Price | Purpose |
|---|---|---|---|
| Grupo Financiero InverMexico | 1996 | Undisclosed | Entry into Mexican retail banking. |
| Grupo Financiero Serfin | 2000 | Undisclosed | Expanded Santander's Mexican franchise. |
| Abbey National | 2004 | Undisclosed | Gave Santander a large UK retail and mortgage bank, later rebranded Santander UK. |
| Banco Real (via ABN AMRO consortium) | 2007 | Undisclosed | Santander joined RBS and Fortis to buy ABN AMRO and took Banco Real, making Santander Brasil one of Brazil's largest private banks. |
| Banco Popular | 2017 | $1 | Bought for a symbolic EUR 1 in June 2017 after the European Single Resolution Board resolved the failing bank; Santander raised about $7.91 billion (EUR 7 billion) of capital to absorb it and became Spain's leading SME lender. |
| TSB Banking Group | 2026 | Undisclosed | Cash acquisition by Santander UK from Banco Sabadell, completed April 30, 2026, adding over four million UK customers and at least ~$528 million (GBP 400 million) of expected cost synergies. |
| Webster Financial Corporation | 2026 | $12.2B | Announced February 3, 2026 for $12.2 billion (65% cash, 35% Santander shares) and completed August 20, 2026, merging Webster Bank into Santander Bank, N.A. |
- What companies has Santander bought?
- Major acquisitions by Santander documented here include Webster Financial Corporation (2026), Banco Popular (2017), TSB Banking Group (2026), Banco Real (via ABN AMRO consortium) (2007) and Abbey National (2004).
- What is Santander's most recent acquisition?
- The most recent Santander acquisition documented here is TSB Banking Group, in 2026.
Webster Financial Corporation
2026
$12.2B
Why
Announced February 3, 2026 for $12.2 billion (65% cash, 35% Santander shares) and completed August 20, 2026, merging Webster Bank into Santander Bank, N.A.
Banco Popular
2017
$1
Why
Bought for a symbolic EUR 1 in June 2017 after the European Single Resolution Board resolved the failing bank; Santander raised about $7.91 billion (EUR 7 billion) of capital to absorb it and became Spain's leading SME lender.
Banco Real (via ABN AMRO consortium)
2007
Why
Santander joined RBS and Fortis to buy ABN AMRO and took Banco Real, making Santander Brasil one of Brazil's largest private banks.
Abbey National
2004
Why
Gave Santander a large UK retail and mortgage bank, later rebranded Santander UK.
Grupo Financiero Serfin
2000
Why
Expanded Santander's Mexican franchise.
Grupo Financiero InverMexico
1996
Why
Entry into Mexican retail banking.
Banco Santander, S.A.'s Growth & Acquisition Strategy
Growth in 2026 comes from three levers. First, M&A in markets where Santander already has scale: TSB adds over four million UK customers and at least ~$528 million (GBP 400 million) of expected cost synergies, and Webster Bank gives Santander US a larger deposit base, with a target of 18% US RoTE by 2028. Second, Openbank, which combines consumer finance with the digital bank and launched in the US in 2024 to fund auto lending with online deposits. Third, fee businesses: wealth management (~$657 billion (EUR 581 billion) of assets under management at June 2026), CIB advisory and the Getnet and Ebury payments platforms.
How Banco Santander, S.A. Makes Money
Santander makes most of its money from net interest income: it gathers customer deposits (~$1.28 trillion (EUR 1.13 trillion) at June 2026) and lends them out as mortgages, consumer and auto loans, and business credit (~$1.3 trillion (EUR 1.15 trillion) of loans). In 2025 net interest income was ~$47.8 billion (EUR 42.3 billion) and net fee income ~$15.5 billion (EUR 13.7 billion). The group now runs five global businesses: Retail & Commercial Banking; Openbank (consumer finance and the digital bank, renamed from Digital Consumer Bank in Q1 2026); Corporate & Investment Banking; Wealth Management & Insurance; and Payments (Getnet and Ebury). Local banks are run as capital- and liquidity-self-sufficient subsidiaries.
Santander Acquisitions FAQ
What was the most historic cross-border acquisition in Banco Santander's history?
In November 2004, Santander acquired British building society and retail bank Abbey National for £9.5 billion (€13.4 billion), the largest cross-border banking acquisition in European history at the time, establishing Santander as a major UK high-street retail bank.
What was the dramatic acquisition of Banco Popular for €1 in 2017?
On June 7, 2017, the European Single Resolution Board (SRB) intervened in failing Spanish bank Banco Popular following an acute liquidity run. Santander acquired 100% of Popular's equity for a symbolic €1, executed a €7 billion rights issue, and absorbed Spain's premier SME commercial loan portfolio.
What was the landmark acquisition of Banespa in Brazil in 2000?
In November 2000, Santander won the privatization auction for Banco do Estado de São Paulo (Banespa) with a winning bid of $3.6 billion (RMB 7.05 billion), outbidding domestic rivals to establish the cornerstone of Banco Santander Brasil.
What was the 1994 acquisition of Banesto in Spain?
Following the dramatic intervention and collapse of Banesto under Mario Conde, Santander won the public auction in April 1994, acquiring Banco Español de Crédito (Banesto) for 313 billion pesetas (~€1.9 billion), instantly doubling Santander's domestic market share.
What was the epic 2007 ABN AMRO consortium acquisition?
In October 2007, Santander participated in the record-shattering €71 billion hostile takeover of Dutch bank ABN AMRO alongside Royal Bank of Scotland (RBS) and Fortis. While RBS and Fortis collapsed from debt, Santander brilliantly acquired Banco Real in Brazil and Antonveneta in Italy (which it immediately flipped to Monte dei Paschi for an €8B cash profit).
When and how did Santander acquire Sovereign Bank in the United States?
Santander acquired a 24.9% stake in Philadelphia-based Sovereign Bancorp in 2005, acquiring the remaining 75% for $1.9 billion in October 2008 during the global financial crisis, later rebranding it as Santander Bank N.A.
What was the acquisition of Alliance & Leicester and Bradford & Bingley in the UK?
In 2008, during the UK credit crunch, Santander acquired mortgage lender Alliance & Leicester for £1.26 billion and acquired the 197 branches and £20 billion deposit book of distressed lender Bradford & Bingley for £612 million, integrating them into Santander UK.
What was the acquisition of Bank Zachodni WBK in Poland in 2010?
In September 2010, Santander acquired Allied Irish Banks' 70% stake in Polish lender Bank Zachodni WBK for €3.1 billion, merging it with Kredyt Bank in 2012 to create Santander Bank Polska, the third-largest bank in Poland.
How did Santander buyout minority shareholders in Santander Consumer USA?
In January 2022, Santander completed the full buyout of minority public shareholders in US auto finance unit Santander Consumer USA Holdings for $2.5 billion, taking the lucrative consumer lending division 100% private.
Did Santander buyout minority shareholders in Santander Mexico?
Yes, in 2022-2023, Santander completed tender offers to repurchase the remaining public minority shares of Santander Mexico for over €1.1 billion, delisting the subsidiary and taking 100% ownership of its profits.
What is Santander's M&A posture moving forward under Ana Botín and Héctor Grisi?
Santander has moved away from multi-billion-dollar bank acquisitions, focusing instead on organic capital compounding, bolt-on fintech investments in PagoNxt/Getnet, expanding Openbank, and executing multi-billion-euro share buybacks.
How did Santander fund its multi-decade acquisition spree without failing?
Unlike failed rivals that over-leveraged parent balance sheets, Emilio Botín strictly maintained the autonomous subsidiary model, required local capital self-sufficiency, and funded large deals through quick rights issues and asset disposals.
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