People walk along London Bridge past the City of London skyline.Sopa Images | Lightrocket | Getty ImagesLondon-based online trading platform Freetrade told CNBC Tuesday that it’s agreed to buy the U.K. customer book of Stake, an Australian investing app.The move is part of a broader bid from Freetrade to bolster its domestic business and comes as British digital investment platforms face rising competition from new entrants — not least U.S. heavyweight Robinhood.The startup told CNBC exclusively that it entered into a transaction with Stake to take on all of the company’s clients and move all assets the firm manages in the U.K. over to its own platform.Freetrade and Stake declined to disclose financial information of the deal, including the value of Stake’s U.K. customer book.Stake, which is based in Sydney, Australia, was founded in 2017 by entrepreneurs Matt Leibowitz, Dan Silver and Jon Abitz with the aim of providing low-cost brokerage services to retail investors in Australia.The company, which also operates in New Zealand, launched its services in the U.K. in 2020. However, after a recent business review, Stake decided to focus primarily on its Australia and New Zealand operations.Following the deal, customers of Stake U.K. will be contacted with details about how to move their money and other assets over to Freetrade in “the coming weeks,” the companies said. Customers will still be able to use their Stake account until assets and cash are transferred to Freetrade in November.Freetrade operates primarily in the U.K. but has sought to expand into the European Union. It offers a range of investment products on its platform, including stocks, exchange-traded funds, individual savings accounts, and government bonds. As of April 2024, it had more than 1.4 million users.Earlier this year, CNBC reported that the startup’s co-founder and CEO, Adam Dodds, had decided to depart the company after six years at the helm. He was replaced by Viktor Nebehaj, the firm’s then-chief operating officer.Freetrade was a beneficiary of the 2020 and 2021 retail stock investing frenzy, which saw GameStop and other so-ca …