Flagstone Employee Directory
Financial ServicesEngland, United Kingdom201-500 Employees
Flagstone is a UK financial services company that operates a savings platform enabling users to consolidate, manage, protect, and grow cash in one place. The platform provides access to 65+ banks through a single sign-on and supports moving funds between accounts and diversification across Instant Access, Fixed Term, and ISA products. Headquartered in London, England, Flagstone employs between 201 and 500 people. It serves over 75,000 clients and holds about £19 billion of cash on the platform. The company has pursued partnerships with organizations such as Chetwood Bank, Intelliflo, The Law Society, and Alloy, and has expanded its product offerings to include a cash ISA; in January 2026 it announced a leadership change with Arman Tahmassebi named chief executive as co-founder Simon Merchant steps down for health reasons.
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