All Rankings

Top 100 London Startups 2026

The most-funded startups headquartered in London, ranked by total capital raised.

Known total funding for 100 of 100 ranked companies: $68.2B.

Showing top 100 matching companies · Ranked by total funding raised

Use company data through the API.
Example request
curl "https://indexed.vc/api/v1/companies?countries=United+Kingdom&cities=London&operatingStatus=active&sort=total_funding_raised&order=desc&limit=100" -H "X-API-Key: YOUR_API_KEY"

The API has no company type filter, so public companies can appear; this list counts private companies only.

The API cannot leave out companies whose latest round is a grant, private equity or debt financing; this list does.

Data from Indexed.vcUpdated

Methodology: up to 100 active companies matching this list's filters are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant, Private Equity, Debt Financing are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.

1
Nscale

Nscale builds AI infrastructure, systems and solutions that let practitioners, enterprises and go...

London, United Kingdom201–500Artificial Intelligence, Infrastructure
ConvertibleTotal funding$7.1BSep 2026
2
Revolut

Digital banking and financial services super app offering currency exchange, crypto, and stock tr...

London, United Kingdom5001–10000Banking, Fintech
Series FTotal funding$4.7BNov 2025
3
Wayve

Wayve is building a general-purpose driving intelligence that learns from data and scales across ...

London, United Kingdom501–1000Artificial Intelligence, Autonomous Vehicles
Extension RoundTotal funding$3.7BApr 2026
4
Global Technical Realty

Build-to-suit and roll-up acquisition data center platform focused on key European cities with a ...

London, United Kingdom11–50Infrastructure
Growth EquityTotal funding$2.9BJan 2026
5
Isomorphic Labs

AI-first drug discovery company using AlphaFold-derived models to design therapeutics and acceler...

London, United Kingdom201–500Artificial Intelligence, Biotech
Series BTotal funding$2.6BMay 2026
6
Sitecore Corporation

AI-powered digital experience platform helping brands connect content, data, and personalization ...

London, United Kingdom1001–5000Marketing Tech, Productivity
Series CTotal funding$2.3BApr 2016
7
Checkout.com

Checkout.com provides global payment services, helping businesses process, manage, and optimize p...

London, United Kingdom1001–5000Fintech, Payments
Series DTotal funding$1.8BJan 2022
8
Octopus Energy Group

Global green energy and technology company using data and software to deliver affordable clean en...

London, United Kingdom1001–5000Clean Energy
Growth EquityTotal funding$1.6BDec 2025
9
Teya

Pan-European fintech (formerly SaltPay) providing payment solutions, business accounts, and flexi...

London, United Kingdom1001–5000Financial Services, Fintech
Series CTotal funding$1.5BJan 2022
10
Argus Media

Argus provides energy and commodity markets with independent price assessments, news, analytics, ...

London, United Kingdom1001–5000SaaS
Growth EquityTotal funding$1.4BMay 2016
11
Monzo

Monzo serves personal and business customers with transparent banking designed around solving pro...

London, United Kingdom1001–5000Financial Services, Fintech
Extension RoundTotal funding$1.3BMay 2024
12
Rapyd

Global fintech-as-a-service platform enabling businesses to accept, disburse, and manage payments...

London, United Kingdom501–1000Financial Services, Fintech
Series FTotal funding$1.3BMar 2025
13
Actis Energy 3C Sub-Feeder

The team has built the Actis Energy 3 (AE3) fund to invest in electricity generation and distribu...

London, United Kingdom201–500Energy, Infrastructure
Growth EquityTotal funding$1.1BSep 2013
14
Ineffable

Ineffable creates superlearners that discover knowledge and skills from experience using powerful...

London, United Kingdom1–10Artificial Intelligence
SeedTotal funding$1.1BApr 2026
15
Kobalt Music

Kobalt provides music publishing administration and rights services that use digital infrastructu...

London, United Kingdom201–500SaaS, Music
Corporate RoundTotal funding$1.0BNov 2023
16
Hopin

Hopin is an all-in-one event platform that offers a community suite of audience engagement tools,...

London, United Kingdom201–500Events, SaaS
Series DTotal funding$1.0BAug 2021
17
DAZN

World's largest sports streaming service delivering live and on-demand sports content to fans in ...

London, United Kingdom1001–5000Entertainment, Media
Growth EquityTotal funding$1.0BJan 2025
18
Kraken Technologies

AI-powered operating system for energy, water, and telecom utilities that provides customer manag...

London, United Kingdom1001–5000Energy, Artificial Intelligence
Growth EquityTotal funding$1.0BDec 2025
19
Netomnia

UK full-fibre broadband network builder and alt-net operator, serving 460,000 customers across 3 ...

London, United Kingdom201–500Infrastructure, Telecommunications
Venture RoundTotal funding$800.3MSep 2025
20
Greensill

Greensill provided working capital finance, enabling companies to provide suppliers with the oppo...

London, United Kingdom501–1000Financial Services
Growth EquityTotal funding$800.0MJul 2019
21
WorldRemit

WorldRemit provides an online service that helps people send international money transfers using ...

London, United Kingdom1001–5000Fintech, Payments
Series FTotal funding$774.0MOct 2024
22
Zopa

UK digital bank offering current accounts, savings, personal loans, and credit cards, originally ...

London, United Kingdom501–1000Banking, Fintech
Corporate RoundTotal funding$765.6MDec 2024
23
Zepz

Global payments group operating WorldRemit and Sendwave, providing digital cross-border remittanc...

London, United Kingdom1001–5000Fintech, Payments
Growth EquityTotal funding$724.0MApr 2025
24
Improbable

Improbable is a venture builder that partners with founders to create and scale businesses advanc...

London, United Kingdom501–1000Crypto & Web3, AR/VR
Venture RoundTotal funding$702.0MApr 2022
25
OakNorth

UK digital bank founded by entrepreneurs to provide fast, flexible lending and savings products t...

London, United Kingdom501–1000Financial Services, Fintech
Series CTotal funding$659.0MFeb 2019