Insights

Strategic Partnerships Flagstone is actively expanding partnerships with financial institutions and tech providers, evidenced by recent collaborations with Bank ABC, Cebr, and Chetwood Bank. This suggests ongoing appetite for co-branded savings products and platform integrations, presenting opportunities to position complementary services such as enhanced treasury solutions or diversified fixed-term offerings.

Platform Scale With 75,000+ clients and £19bn in cash on the platform, Flagstone demonstrates strong market traction and high-capacity savings management. This scale can be leveraged to offer enterprise-grade compliance, data analytics, and API-driven integrations to large savers and corporate treasury teams seeking centralized cash management.

Diversified Deposits Flagstone already offers Instant Access, Fixed Term, ISA and now Cash ISA, indicating a diversified product suite for cash management. Sales opportunities exist to cross-sell premium savings options, wealth planning services, or advisor partnerships that optimize cash yield across GBP, USD, and EUR tranches.

Tech & Security The tech stack includes Azure Information Protection, BigQuery, and enterprise tools, signaling a mature, security-focused platform. This opens doors for selling data analytics, risk management, and regulatory compliance solutions to financial institutions or corporate treasuries seeking robust data governance.

Leadership Transition Recent leadership change with a new CEO aims to steer growth and health-led leadership. This could indicate readiness for strategic initiatives, technology upgrades, or new market outreach. Sales conversations can align with flagship platform enhancements, risk controls, and customer success programs to accelerate adoption.

Flagstone Tech Stack

Flagstone uses 8 technology products and services including Facebook Business Manager, Google Call Conversion Tracking, Umbraco, and more. Explore Flagstone's tech stack below.

  • Facebook Business Manager
    Advertising
  • Google Call Conversion Tracking
    Analytics
  • Umbraco
    Content Management System
  • Azure Information Protection
    Data Security
  • Google BigQuery
    Data Warehousing
  • Microsoft Intune
    Enterprise Mobility Management
  • QuoVadis
    Ssl Certificate
  • Kestrel
    Web Servers

Media & News

Flagstone's Email Address Formats

Flagstone uses at least 1 format(s):
Flagstone Email FormatsExamplePercentage
First.Last@flagstoneim.comJohn.Doe@flagstoneim.com
94%
LastFirst@flagstoneim.comDoeJohn@flagstoneim.com
3%
First.Middle@flagstoneim.comJohn.Michael@flagstoneim.com
2%
Last@flagstoneim.comDoe@flagstoneim.com
1%

Frequently Asked Questions

What is Flagstone's phone number?

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You can contact Flagstone's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Flagstone's stock symbol?

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Flagstone is a publicly traded company; the company's stock symbol is FSR2.

What is Flagstone's official website and social media links?

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Flagstone's official website is flagstoneim.com and has social profiles on LinkedIn.

How much revenue does Flagstone generate?

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As of July 2026, Flagstone's annual revenue is estimated to be $50M - $100M.

What is Flagstone's SIC code NAICS code?

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Flagstone's SIC code is 7299 - Miscellaneous Personal Services, Not Elsewhere Classified NAICS code is 52 - Finance and Insurance.

How many employees does Flagstone have currently?

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As of July 2026, Flagstone has approximately 393 employees across 4 continents, including EuropeNorth AmericaAsia. Key team members include Chief Executive Officer: A. T.Chief Executive Officer: V. K.Cto: L. P.. Explore Flagstone's employee directory with LeadIQ.

What industry does Flagstone belong to?

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Flagstone operates in the Financial Services industry.

What technology does Flagstone use?

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Flagstone's tech stack includes Facebook Business ManagerGoogle Call Conversion TrackingUmbracoAzure Information ProtectionGoogle BigQueryMicrosoft IntuneQuoVadisKestrel.

What is Flagstone's email format?

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Flagstone's email format typically follows the pattern of First.Last@flagstoneim.com. Find more Flagstone email formats with LeadIQ.

How much funding has Flagstone raised to date?

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As of July 2026, Flagstone has raised $286M in funding. The last funding round occurred on Jun 21, 2024.

When was Flagstone founded?

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Flagstone was founded in 2013.
Flagstone logo

Flagstone

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.

Section iconCompany Overview

Phone number
SIC Code
7299 - Miscellaneous Personal Services, Not Elsewhere Classified
Stock Symbol
FSR2
NAICS Code
52 - Finance and Insurance
Founded
2013
Employees
201-500

Section iconFunding & Financials

  • $286M

    Flagstone has raised a total of $286M of funding over 5 rounds. Their latest funding round was raised on Jun 21, 2024as a series_unknown.

  • $50M - $100M

    Flagstone's revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $286M

    Flagstone has raised a total of $286M of funding over 5 rounds. Their latest funding round was raised on Jun 21, 2024as a series_unknown.

  • $50M - $100M

    Flagstone's revenue is estimated to be in the range of $50M - $100M

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