Startups in the fintech sector make up more than a third of entries in Sifted’s 2025 leaderboard of the UK and Ireland’s fastest-growing startups.
Meet the UK and Ireland’s fastest-growing fintechs by revenue
The top 10 fastest growing fintechs include challenger banks, neolenders and crypto custodians
4 min read
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Tom Matsuda is a fintech reporter at Sifted and writes our weekly fintech newsletter. Find him on X and LinkedIn

Fintech newsletter
Tue
Your weekly update on the latest trends across (neo)banking, buy now pay later, payments and the fintech startup scene.
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