Santander UK has reshaped the top of its organisation, naming four additions to its Executive Committee in a realignment designed to bring the British business into tighter formation with its parent, Banco Santander. Three of the four moves flow from structural changes introduced by chief executive Mahesh Aditya to mirror the wider group's framework.

The changes land as the bank works through the integration of TSB, and they touch several of its most sensitive functions at once: finance, accounting, compliance and payments. Rather than a single hire, this is a coordinated reset of who sits at the leadership table and how those seats map onto the group above.

A leadership reset shaped by the group model

The through-line across all four appointments is alignment — pulling Santander UK's senior structure into closer step with how Banco Santander runs itself.

The bank frames the revised finance setup as one that clarifies accountability and sharpens focus across its most senior ranks, echoing the parent's operating model rather than sitting apart from it. For a business now folding a sizeable acquisition into its operations, that tidier reporting line is meant to make execution less tangled as scale increases.

Finance changes: a familiar name returns as CFO

The headline move is at chief financial officer, where Santander UK is welcoming back someone who already knows the building well.

Tom Ranger is set to become CFO from 1 October 2026, subject to regulatory approval. He rejoins after two years leading finance at Yorkshire Building Society, bringing a quarter-century in financial services — 17 of those years spent previously inside Santander UK. Ranger has said he is glad to return, describing the TSB acquisition as a significant new chapter and pointing to the integration work ahead alongside both new and former colleagues.

He succeeds Angel Santodomingo, CFO since 2023, who will step down as an executive director of the UK group on 31 October 2026 before taking up a new role at Banco Santander in January 2027. Alongside that transition, Steve Affleck has been appointed chief accounting officer with immediate effect. Previously deputy CFO, Affleck has run the bank's financial control division since 2020 and counts 23 years within the organisation. Both Ranger and Affleck will report directly to Aditya.

New seats for payments and compliance

Two further appointments signal where the bank sees strategic weight shifting — and both create or elevate roles at committee level.

Iñaki Perkins joins as head of cards and payments, a newly established Executive Committee post that reflects the growing importance of the cards business across both Santander UK and the wider group. He arrives with more than 20 years in the industry, including a stint as chief executive of Spanish digital lender WiZink Bank.

On the control side, Michael Christodoulides will take over as chief compliance officer from 1 November 2026, subject to regulatory approval. He moves across from Barclays UK, where he holds the same title, and brings 19 years spanning compliance advisory, oversight and operational delivery.

Set against integration and rising profit

The reshuffle does not sit in isolation — it arrives as the bank pushes to become one of the larger, more competitive players in UK banking.

Aditya has welcomed the four additions as pivotal to that ambition, framing the depth of their experience as an asset at a decisive moment for the business as TSB is integrated. He also credited the outgoing Santodomingo for steering the finance function through a period of considerable change since 2023.

The context helps explain the timing. Santander's most recent group update showed underlying profit up 15% to €7.3bn (US$8.3bn) in the first half, with revenue rising 6% to €30.8bn (US$35.1bn) and total customers growing by 12 million to 182 million. Against that backdrop, a leadership line-up rebuilt around the parent's model reads as an attempt to keep momentum steady while a major integration plays out.

Integrating TSB is a chance to build one of the UK's most substantial and competitive banks — and this breadth of expertise will be pivotal to getting there. — On the ambition behind the reshuffle