Series C · Fintech · Blackpool, United Kingdom · Founded 2014 · 501–1000 employees
Tandem Bank is one of the UK's original challenger banks launched in 2014, positioning itself as 'the UK's greener digital bank' focused on helping customers transition to a lower carbon lifestyle. The bank offers a range of green financial products including EPC discount mortgages, green home improvement loans, and sustainable motor finance, having issued over £800 million in green lending to support 165,000 projects. Founded by Ricky Knox, Matt Cooper and Michael Kent, Tandem has grown through strategic acquisitions including Harrods Bank in 2017, Oplo in 2022, and Loop Money in 2023, creating a combined business with £1.2 billion in total assets. The company has raised $309 million over 11 funding rounds and was recognized in The Sunday Times Best Places to Work 2024 and placed 27th in The Sunday Times 100 Tech 2025.