JPMorgan Chase to build new London tower, but UK financial dominance wanes post-Brexit

JPMorgan Chase is set to construct a new tower in London's Canary Wharf, a move hailed as a substantial multi-billion-pound vote of confidence in the UK's financial industry following Brexit. The planned skyscraper could accommodate up to 12,000 employees, signaling a major commitment from the US banking giant.

This development contrasts with earlier warnings issued before the 2016 Brexit referendum, when JPMorgan CEO Jamie Dimon suggested the bank might shift 4,000 jobs from Britain. Now, with the new London headquarters and an expansion of its Bournemouth campus costing between £300 million and £350 million, the bank is significantly increasing its UK presence. Citigroup is also investing £1.1 billion in its UK operations, indicating a broader trend of major financial institutions reinforcing their positions in the country.

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Brexit undeniably weakened the City's position.

However, the picture for the UK's financial sector is more complex than these investments suggest. While employment in London's financial district is near an all-time high and banks are reporting record profits, Britain's overall dominance as a global financial center has diminished. According to research, the UK has lost market share in 10 out of 12 categories of international finance since 2015. Job relocations to European financial hubs like Paris and Dublin have occurred, with estimates suggesting around 40,000 jobs moved to serve EU clients after the loss of passporting rights. Furthermore, Britain's share of foreign capital has declined from 8.6% in 2015 to 7% in 2025, while the US share has grown.

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The impact of Brexit on the City has been like the UK breaking its own arm - it has not been fatal but nor has it been great, and there was a degree of self-injury.