Startup ecosystem
Top startups in London.
London is Europe's largest startup hub and its fintech capital, home to a string of neobanks and payments companies as well as a fast-growing base of AI and deep-tech firms.
Notable startups
A curated list of companies headquartered in London, spanning the sectors that define its ecosystem. Each links to the company; where we hold their pitch deck, it's linked too.
The financial super-app offering banking, cards, currency exchange, and investing to tens of millions globally.
Founded
2015
Stage
Late Stage
Valuation
~$45B
One of the UK's leading digital banks, known for its bright cards and mobile-first current accounts.
Founded
2015
Stage
Late Stage
Valuation
~$5.9B
Cross-border payments company (formerly TransferWise) built to make international money movement cheap and transparent.
Founded
2011
Stage
Public
Food and grocery delivery marketplace operating across Europe, the Middle East, and Asia.
Founded
2013
Stage
Public
Cybersecurity company using self-learning AI to detect and respond to threats across enterprise networks.
Founded
2013
Stage
Acquired
Developer of embodied AI for self-driving, using end-to-end learning rather than hand-coded rules.
Founded
2017
Stage
Series C
Valuation
~$1B
AI video platform that turns text into presenter-led videos with digital avatars.
Founded
2017
Stage
Series D
Valuation
~$4B
Open generative-AI company known for the Stable Diffusion family of image models.
Founded
2019
Stage
Late Stage
A profitable UK digital bank offering personal and business current accounts, and a banking-as-a-service platform.
Founded
2014
Stage
Late Stage
Valuation
~$2.5B
Bank payment network specializing in recurring and account-to-account payments for businesses.
Founded
2011
Stage
Late Stage
Valuation
~$2.1B
Global payments platform providing processing, acquiring, and payouts for large merchants.
Founded
2012
Stage
Late Stage
Valuation
~$40B
AI voice company building lifelike text-to-speech, dubbing, and voice-agent tools.
Founded
2022
Stage
Series C
Valuation
~$3.3B
Metaverse and large-scale simulation technology company powering virtual worlds and events.
Founded
2012
Stage
Late Stage
Apprenticeship platform offering an alternative to university and reskilling programs for the workforce.
Founded
2016
Stage
Series D
Valuation
~$1.7B
Decision intelligence platform using data and AI for financial-crime detection and risk analysis.
Founded
2016
Stage
Series F
Valuation
~$2.6B
Valuations are approximate, drawn from the most recent reported figures as of Jul 2026.
Accelerators in London
London founders can apply to 153 accelerator programs in our directory — including 350 PPM, Abbey Road Red, Accelerator Academy, Accelerator Assembly, Activate Studio, Algorand Europe Accelerator.