Entrepreneur UK’s London 100: Flagstone

Flagstone is shaking up the UK savings market with a smart rollover feature that keeps your money growing seamlessly and effortlessly

By Patricia Cullen | Jun 04, 2025
Flagstone
Flagstone Co-Founders (L-R Simon Merchant, Andrew Thatcher)

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Industry: Fintech

The UK savings market is shrouded by inertia.

Co-founded by Simon Merchant and Andrew Thatcher, Flagstone is recreating how people grow their money.

Flagstone’s proposition switches things up, making savings an active, easily accessible and easy to manage pursuit.

A maturity rollover feature that allows customers to pre-select savings accounts into which they want their savings to be deposited as soon as their existing savings accounts mature. This ensures that their money continues to grow and earn interest without disruption or interruption.

Industry: Fintech

The UK savings market is shrouded by inertia.

Co-founded by Simon Merchant and Andrew Thatcher, Flagstone is recreating how people grow their money.

Flagstone’s proposition switches things up, making savings an active, easily accessible and easy to manage pursuit.

A maturity rollover feature that allows customers to pre-select savings accounts into which they want their savings to be deposited as soon as their existing savings accounts mature. This ensures that their money continues to grow and earn interest without disruption or interruption.

Patricia Cullen

Entrepreneur Staff

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