Fintech/Up and coming

Flagstone

Savings platform letting people and businesses hold cash across hundreds of accounts from 65+ banks in one place.

Why it's here

Assets under administration now £20bn+, and 2024 revenue grew 46% to £55M in its second fully profitable year.

Focus: Cash savings platform
Founded: 2013
Total raised: £149Msource: flagstoneim.com
Latest round: £108M equity from Estancia Capital Partners, closed Jun 2024
Team size: 201-500 people
Staff (Companies House accounts): 321, average over the period to 31 Dec 2025source: find-and-update.company-information.service.gov.uk
London office: 1st Floor, Clareville House, 26-27 Oxendon Street, Westminster SW1Y 4ELsource: flagstoneim.com
London presence: HQsource: flagstoneim.com
Investors: Estancia Capital Partnerssource: flagstoneim.com
Recognised on: Deloitte UK Technology Fast 50 2025, #36source: deloitte.co.uk
Deloitte UK Technology Fast 50 2024, #42source: deloitte.co.uk
Area: Mayfair & St James's
Nearest station: Piccadilly Circus, 152 m
Companies House: FLAGSTONE GROUP LTD (08528880, active)Incorporated 14 May 2013 · SIC 64999
Hiring: 9 open roles in London ↗Public job board, checked 9 Oct 2026
Work model: Hybrid (from 8 London job posts)Current job posts only, checked 9 Oct 2026. Howsource: jobs.ashbyhq.com
Visas: Licensed visa sponsor, listed as Flagstone Group Limitedsource: gov.uk
Elsewhere: LinkedIn ↗X ↗

For Flagstone