Monzo, one of Britain’s fastest-growing digital banks, is exploring a potential sale to Brazilian financial technology giant Nu Holdings in a deal that could value the UK lender at between £8bn and £10bn, according to people familiar with the discussions.
The talks are understood to be at an early stage, with Nu Holdings, the parent company of Nubank, having approached Monzo about a possible combination.
Monzo has appointed investment banks Morgan Stanley and Qatalyst Partners to advise on the discussions, while the broad terms of a potential transaction remain under negotiation.
One source close to the process said a takeover by Nu Holdings was one of two principal strategic options being considered by Monzo’s board and shareholders.
The alternative is understood to be a fresh fundraising round that could value Monzo at more than £8bn. The proceeds would be used to support the bank’s continued expansion across continental Europe.
Deal could involve cash and shares
Banking sources said any acquisition by Nu Holdings would likely involve a combination of cash and shares.
The precise value of a potential transaction remains unclear. However, Monzo shareholders are expected to seek a substantial premium over the company’s most recent formal valuation.
Monzo was valued at £4.5bn in a secondary share sale in October 2024. Its financial performance and customer base have grown considerably since then.
One analyst said an £8bn valuation was realistic, while a £10bn price tag could not be ruled out if a sale proceeded.
Nu Holdings, which is headquartered in São Paulo and listed on the New York Stock Exchange, has a market capitalisation of about $65.5bn (£49.4bn).
The proposed combination would bring together two of the world's most prominent digital banking businesses, with Monzo's rapidly expanding UK and European franchise joining Nubank's much larger customer base across Latin America.
Monzo now serves 16 million customers
Founded little more than a decade ago by a group of entrepreneurs including Tom Blomfield, Monzo has grown from a challenger bank into one of Britain's largest consumer banking brands.
The company now has about 16 million customers, including 15 million personal banking customers and one million business banking users.
Its latest financial results showed revenue rising by 39 per cent to £1.7bn, while adjusted pre-tax profit increased by 20 per cent to £172.6m.
The growth has helped establish Monzo as one of Britain's most valuable technology scale-ups and a leading example of the country's fintech sector.
Among its shareholders are an investment arm of Google's parent company, Alphabet, and a Singaporean sovereign wealth fund.
Potential blow to London listing ambitions
A sale to Nu Holdings could have significant implications for London's efforts to retain and attract major technology companies to its stock market.
For several years, Monzo has been promoted as a British fintech success story, with government ministers and the London Stock Exchange seeking to encourage the company to pursue a UK listing.
A flotation in London has been regarded as a possibility over the next two years, but a takeover by Nubank would remove that prospect in the medium term.
A US listing could also be considered by Monzo because of the geographical composition of its investor base, meaning that a London IPO was never guaranteed.
The issue has gained added significance following Revolut's confirmation that it is considering a dual listing in New York and London.
Although losing the possibility of a Monzo flotation could be viewed negatively by some City stakeholders, a major investment or acquisition by a large international banking group could also bring capital, expertise and international opportunities to Britain's financial services industry.
Nubank brings huge Latin American customer base
Nu Holdings has expanded rapidly since launching Nubank, its digital banking operation, and now operates in Brazil, Mexico and Colombia.
The company says it has about 140 million customers across its markets.
A combination with Monzo would therefore bring together a British digital lender with a rapidly expanding Latin American financial services group and potentially provide Monzo with access to a much larger international platform.
Monzo has already begun expanding beyond the UK. It has launched in Ireland and opened a customer waiting list in Spain, with further continental European markets expected to follow.
The potential transaction comes amid increased corporate activity in Britain's fintech sector.
Rival Revolut was recently valued at $115bn in a secondary share sale. Revolut, however, has a larger international customer base, broader product offering and higher profitability than Monzo.
Product innovation drives Monzo growth
Monzo has built much of its customer base around a strategy of developing digital banking products and features aimed at changing how consumers manage their money.
Its recent products include Aura, a credit card that Monzo says is the first in Britain to allow customers to automatically invest cashback generated through spending.
The company has also introduced features such as its Gambling Block and Saving Challenge as part of efforts to differentiate itself from traditional banks.
Monzo recently topped rankings published by Britain's competition watchdog for service quality across personal and business current accounts.
Compliance problems remain a challenge
The bank's rapid expansion has not been without regulatory challenges.
In July 2025, Monzo was fined £21m by the Financial Conduct Authority over failings in its financial crime controls.
The regulatory action highlighted some of the challenges facing rapidly expanding digital banks as they seek to scale customer numbers while maintaining robust systems for compliance and financial crime prevention.
Monzo has also sought to strengthen its public profile through sponsorship deals, including partnerships with English cricket's Hundred competition and newly promoted Premier League club Coventry City.
Leadership changes precede potential deal
The discussions with Nu Holdings come only weeks after Monzo confirmed the retirement of its long-serving chairman, Gary Hoffman, a veteran of the banking industry.
Hoffman played a central role in the decision last year to replace Monzo chief executive TS Anil, triggering disagreement with some major shareholders who had supported Anil's continued leadership.
Monzo is now chaired in the UK by Rupert Keeley, a former PayPal executive, while Diana Layfield, a former Google and Standard Chartered executive, is serving as the company's chair of the group board.
A search for a permanent successor to Hoffman remains under way.
The separation of the board roles is intended to position Monzo for its next phase of expansion in Britain and Europe.
Nu Holdings declines to comment
The potential takeover discussions come as Monzo considers how best to finance its next stage of growth and international expansion.
For shareholders, the choice is understood to centre on securing a potentially significant premium through a sale or raising additional capital while retaining ownership of the business and pursuing further expansion independently.
Monzo declined to comment on the talks.
In response to an enquiry, Nu Holdings said: “Nubank does not comment on rumours or speculation.
“We reaffirm our commitment to maintaining open, clear and timely communication regarding all significant business matters.”
Any transaction would remain subject to further negotiations and the necessary corporate and regulatory approvals, and there is no certainty that the discussions will result in a deal.