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.

26
Blockchain.com

Crypto infrastructure provider serving people, institutions, and AI agents moving money on-chain ...

London, United Kingdom201–500Crypto & Web3, Fintech
Series ETotal funding$630.5MNov 2023
27
Starling Bank

Starling is a UK digital bank offering personal, business, joint, multi-currency, and children's ...

London, United Kingdom1001–5000Fintech
Series DTotal funding$625.0MApr 2022
28
Zenobe

UK-based battery storage and EV fleet electrification specialist, operating grid-scale batteries ...

London, United Kingdom201–500Clean Energy, Electric Vehicles
Growth EquityTotal funding$600.0MSep 2023
29
Multiver

Professional apprenticeship platform providing an alternative to college by connecting individual...

London, United Kingdom501–1000Artificial Intelligence, EdTech
Growth EquityTotal funding$594.0MMay 2026
30
Colt Technology

Global digital infrastructure company providing high-bandwidth network connectivity, voice, secur...

London, United Kingdom5001–10000Infrastructure, Telecommunications
Growth EquityTotal funding$590.0MOct 2001
31
Thought Machine

Cloud-native core banking and payments platform enabling banks to build and run any financial pro...

London, United Kingdom501–1000Fintech, SaaS
Extension RoundTotal funding$567.8MJul 2026
32
Quantexa

Decision Intelligence platform that connects fragmented data to reveal real-world relationships f...

London, United Kingdom501–1000Analytics, Artificial Intelligence
Series FTotal funding$545.0MMar 2025
33
Primer

Primer provides unified payment infrastructure that lets merchants connect providers, orchestrate...

London, United Kingdom51–200Fintech, Developer Tools
Series CTotal funding$537.4MMay 2026
34
O
Olix

UK AI-chip startup building optical compute chips to rival GPU incumbents.

London, United KingdomArtificial Intelligence, Semiconductors
Series BTotal funding$532.0MAug 2026
35
Community Fibre

London-based full fibre broadband provider offering fast, affordable home and business internet p...

London, United Kingdom201–500Cloud, Telecommunications
Venture RoundTotal funding$500.0MJul 2020
36
Ki

First fully digital and algorithmically driven insurance underwriter in the Lloyd's of London market

London, United Kingdom201–500Financial Services, Insurance
Growth EquityTotal funding$500.0MSep 2020
37
M-Kopa

M-KOPA provides African everyday earners with financed smartphones and digital financial products...

London, United Kingdom1001–5000Fintech
Series FTotal funding$488.4MJul 2025
38
PhysicsX

PhysicsX develops AI-native engineering software that helps industrial organizations accelerate s...

London, United Kingdom51–200Artificial Intelligence, Automotive
Series CTotal funding$484.0MJun 2026
39
Bought By Many

Bought By Many (now ManyPets) is a UK-based pet insurance provider offering lifetime coverage for...

London, United Kingdom201–500Insurance
Series DTotal funding$475.8MJun 2021
40
Synthesia

Synthesia is an enterprise AI video communications platform that empowers users to make video con...

London, United Kingdom201–500Artificial Intelligence, Media
Series ETotal funding$470.0MJan 2026
41
Fractile

Fractile builds processors that physically interleave memory and compute to deliver low-latency, ...

London, United Kingdom51–200Artificial Intelligence, Semiconductors
Series BTotal funding$464.2MMay 2026
42
ManyPets

A pet insurance provider offering affordable coverage for dogs and cats with no annual limits or ...

London, United Kingdom201–500Fintech, Healthcare
Series DTotal funding$457.3MJun 2021
43
Nothing

Nothing designs distinctive smartphones, audio devices, and connected consumer technology, combin...

London, United Kingdom201–500Hardware
Equity CrowdfundingTotal funding$431.0MDec 2025
44
Verdiva Bio

Verdiva Bio is a clinical-stage biopharmaceutical company focused on developing innovative therap...

London, United Kingdom11–50Life Sciences, Biotech
Series ATotal funding$411.0MJan 2025
45
AlphaSights

AlphaSights gives global investors and business leaders frictionless access to expert insights th...

London, United Kingdom1001–5000SaaS
Growth EquityTotal funding$400.0MSep 2024
46
Allica Bank

Allica is a bank built solely to meet the needs of established businesses with 5-250 employees an...

London, United Kingdom201–500Fintech
Series DTotal funding$392.0MFeb 2026
47
Lighthouse

Lighthouse is a commercial intelligence platform providing analytics and revenue management tools...

London, United Kingdom201–500SaaS
Growth EquityTotal funding$370.0MNov 2024
48
Beacon Therapeutics

Clinical-stage ophthalmic gene therapy company developing AAV-based treatments for rare and preva...

London, United Kingdom51–200Biotech
Series CTotal funding$365.0MJan 2026
49
Wagestream

Wagestream (now Stream) is a financial wellbeing platform for employees, reducing financial stres...

London, United Kingdom201–500Fintech
Series DTotal funding$364.0MJan 2026
50
Signal AI

Signal AI is a risk and reputation intelligence company that uses proprietary AI to analyze 2 bil...

London, United Kingdom201–500Artificial Intelligence, SaaS
Series BTotal funding$348.8MFeb 2026