Also known as: Santander; Santander UK
Santander UK plc is a major UK retail and commercial bank. In April 2026 it completed its £2.65bn acquisition of TSB Banking Group plc from Banco Sabadell (Spain), making it the UK's third largest high-street bank by customer numbers. It is a wholly owned subsidiary of Banco Santander S.A. via the UK holding structure.
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Personal current accounts; savings accounts; mortgages; personal loans; credit cards; business banking; corporate banking
Trading names and group notes
Parent: Santander UK Group Holdings plc (08700698). Ultimate parent: Banco Santander S.A. (Spain). TSB acquisition completed 30 April 2026 following PRA approval (19 March 2026) and ECB approval (14 April 2026). TSB Bank plc (SC095237) now wholly owned subsidiary. Part VII transfer of TSB business into Santander UK plc expected H1 2027.Review scores are third-party public indicators only. They are not proof of FCA compliance, product quality, or suitability for your circumstances.
Trustpilot
1.9
10000 reviews
App Store
4.6
Google Play
4.4
Other review and social proof
Which? Customer Score: 50%; Smart Money People: 3.5/5; FSCS protected deposits up to £85,000; TSB acquisition press coverage confirms combined ~28m customers
Overall public sentiment
Poor on Trustpilot (1.9/5). Negative reviews cite account closures, mortgage servicing issues, and customer service delays. App store ratings considerably higher. Post-TSB acquisition sentiment monitoring ongoing.
Review sources
Source URLs
Date checked
2026-06-05
Ask Fin gives you simple money tools for budgeting, spotting savings, checking possible benefit areas and building better money habits. General guidance only — not regulated financial advice.
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