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All startups in London

1,315 companies · page 1 of 14

1315 matching

Nscale

Nscale

London

Nscale builds AI data centers and provides GPU cloud infrastructure that companies use to train, run, and scale large AI models.

Data & analytics$3.7BEst. 2024
OLIX

OLIX

London

OLIX designs optical AI accelerators that use light-based processors for training and inference on large models.

Hardware & semiconductors$532MEst. 2024
Isomorphic Labs

Isomorphic Labs

London

Isomorphic Labs is an AI-first drug design and development company that transforms drug discovery to design and evaluate new medicines.

Biotechnology Research$2.7BEst. 2021
Dwelly

Dwelly

London

Dwelly is a UK lettings and property management platform that uses AI to accelerate market consolidation by acquiring traditional agencies and integrating them within two months. It employs engineering teams and operates remotely across UK

Real Estate$138MEst. 2023Hiring fast
Tessl

Tessl

London

Reimagining software development for the AI era, and shaping AI Native Software Development.

AI & machine learning$125MEst. 2024
ElevenLabs

ElevenLabs

London

ElevenLabs develops artificial intelligence software focused on speech synthesis and voice generation.

Artificial Intelligence$822MEst. 2022
Nothing

Nothing

London

London-based · hardware & semiconductors.

Hardware & semiconductors$540MEst. 2020
Model ML

Model ML

London

London-based · fintech.

Fintech$87MEst. 2023
Conduct

Conduct

London

London-based · ai & machine learning.

AI & machine learning$72MEst. 2024
Granola

Granola

London

The AI-powered notepad for people in back-to-back meetings

AI & machine learning$67MEst. 2023
Diffractive Labs

Diffractive Labs

London

Diffractive Labs is building an autonomous AI material scientist that moves from hypothesis to synthesis and scale-up, uniting ML, experimentation, and scientific reasoning in a closed loop to accelerate breakthroughs in thermoelectrics, hi

AI/ML$60MEst. 2025
Isembard

Isembard

London

Isembard builds and operates distributed, software-defined factories for component production, enabling scaleups to iterate faster and scale output; launched 2025 with 4 factories in the UK and US and plans to reach 25 by 2026, serving Hels

Industrial Machinery Manufacturing$59MEst. 2024
Field

Field

London

London-based · climate tech.

Climate tech$300MEst. 2020
Fuse Energy

Fuse Energy

London

Building the world’s first renewable giant

Technology, Information and Internet$250MEst. 2022Hiring fast
Gradient Labs

Gradient Labs

London

Gradient Labs is the conversational AI platform transforming customer operations in financial services

Technology, Information and Internet$42.8MEst. 2023
Fyxer

Fyxer

London

Fyxer AI is an AI executive assistant startup that organizes inboxes, drafts emails, and creates meeting notes.

Software Development$40MEst. 2023
Fifth Dimension AI

Fifth Dimension AI

London

London-based · ai & machine learning.

AI & machine learning$40MEst. 2023
Nevis

Nevis

London

Nevis is the world's first AI-powered platform designed specifically for wealth management.

AI & machine learning$40MEst. 2024
Geordie AI

Geordie AI

London

Accelerate agentic innovation without unleashing risk.

Cybersecurity$36.5MEst. 2025
Olsam Group

Olsam Group

London

London-based · retail.

Retail$181MEst. 2020
Axle Energy

Axle Energy

London

Axle monetises energy flexibility.

Software Development$34MEst. 2023
Paid

Paid

London

London-based · ai & machine learning.

AI & machine learning$33.3MEst. 2024
Primer.io

Primer.io

London

Primer provides unified global payment and commerce infrastructure, enhancing ecosystem visibility.

Financial Services$173.4MEst. 2020
Applied Computing

Applied Computing

London

London-based · ai & machine learning.

AI & machine learning$31MEst. 2023
Swap

Swap

London

Swap Commerce provides an e-commerce operating system that helps online brands unify and manage their commerce operations.

Software Development$149MEst. 2022
TRIVER

TRIVER

London

Instant capital in a click.

Fintech$28MEst. 2023
Kepler Interactive

Kepler Interactive

London

A major global publisher co-owned and run by devs.

Computer Games$120MEst. 2021
Cogna

Cogna

London

Precision software defined by you, delivered by AI.

Technology, Information and Internet$20.9MEst. 2023
Jack & Jill

Jack & Jill

London

Meet Jack and Jill. Two AI agents that introduce remarkable people to remarkable companies.

HR tech$20MEst. 2025
Capi Money

Capi Money

London

Capi Money enables African businesses to pay international suppliers at price and speed similar to the US and Europe, positioning as a fast-growing Series-A startup backed by over $18M from investors including Creandum, Y Combinator, Genera

FinTech$19.4MEst. 2023
Searchable

Searchable

London

Searchable offers tools that track brand visibility on AI search platforms and search engines.

Sales & marketing tech$18MEst. 2025
Elyos AI

Elyos AI

London

Elyos AI is the first totally autonomous customer service agent for trades and field services, fully integrated with all trades CRMs to enable seamless CRM-enabled workflows for trades professionals.

SaaS$16MEst. 2023
Clove

Clove

London

Building the financial institution of the future.

Wealthtech & insurtech$14MEst. 2025
Anam AI

Anam AI

London

London-based · ai & machine learning.

AI & machine learning$11.3MEst. 2023
Callosum

Callosum

London

We are building the infrastructure where heterogeneous chips & intelligence co-evolve to solve the world's hardest problems.

Research Services$10.3MEst. 2025
QFEX

QFEX

London

QFEX is building the only 24/7 futures exchange for traditional financial markets.

Fintech$9.1MEst. 2025
Ameba

Ameba

London

Ameba is a supply chain management platform uses AI to enable real-time data aggregation and automation.

Supply chain & ops tech$8.9MEst. 2023
Dex

Dex

London

London-based · hr tech.

HR tech$8.4MEst. 2025
Polaron

Polaron

London

Polaron is a startup specializing in AI-driven materials design.

AI & machine learning$8MEst. 2023
Level Zero Health

Level Zero Health

London

London-based · healthtech.

Healthtech$6.9MEst. 2023
Mozart AI

Mozart AI

London

London-based · ai & machine learning.

AI & machine learning$6.7MEst. 2025
Wexler

Wexler

London

The Fact Intelligence Platform.

Legal & compliance tech$6.7MEst. 2023
Throxy

Throxy

London

London-based · ai & machine learning.

AI & machine learning$6.2MEst. 2023
Autumn

Autumn

London

London-based · developer tools.

Developer tools$6.1MEst. 2025
MAIHEM

MAIHEM

London

London-based · ai & machine learning.

AI & machine learning$5.8MEst. 2023
Aspora

Aspora

London

Aspora help users bank seamlessly across countries, invest in diverse assets, access credit and insurance services.

Financial Services$94.3MEst. 2022
LemFi

LemFi

London

LemFi provides users with accounts in their country of residence and of origin for personal and business banking needs.

Financial Services$86.8MEst. 2020
Artificial Societies

Artificial Societies

London

AI simulations of societies for testing how ideas spread.

AI & machine learning$4.5MEst. 2024
Shop Circle

Shop Circle

London

We’re building the next-generation software platform where exceptional products, people, and AI come together to power the infrastructure of modern enterprise.

E-commerce & retail$80.8MEst. 2021
Omnea

Omnea

London

Omnea streamlines B2B purchasing to enable fast, compliant buying. Founded in 2022 by the team behind Tessian, it has raised $75M from major VCs and serves global enterprises including Spotify, Adecco, Albertsons, Wise, MongoDB, and Monzo.

SaaS$80MEst. 2022
Forest

Forest

London

London's homegrown shared e-bike

Consumer Services$78MEst. 2020
Rival

Rival

London

London-based · ai & machine learning.

AI & machine learning$4MEst. 2023
Alguna

Alguna

London

London-based · fintech.

Fintech$3.8MEst. 2023
Heroes

Heroes

London

Heroes is a technology-driven e-commerce company that acquires, operates, and scales small and medium-sized brands.

Retail$65MEst. 2020
Isidor AI

Isidor AI

London

The company provides frontier data for frontier AI research, built by a founding team from the University of Cambridge and MILA, and is a research-oriented data provider with strong academic roots.

AI/ML$3.6MEst. 2025
Context

Context

London

Context is the first AI Office Suite that automates workflow by generating documents, presentations, and spreadsheets from a user’s data, tools, and style. It unifies documents, presentations, research, spreadsheets, and team communication

SaaS$3.5MEst. 2024
Tracelight

Tracelight

London

Become superhuman in Excel

AI & machine learning$3.5MEst. 2024
Synthesia

Synthesia

London

Create studio-quality videos with AI avatars and voiceovers in 140+ languages.

AI & machine learning$3.4BEst. 2017
MillTech

MillTech

London

MillTech provides advanced FX and cash management solutions to increase market access, reduce costs and automate manual workflows.

Financial Services$60MEst. 2020
Eku Energy

Eku Energy

London

Eku Energy is a specialist, technology-enabled developer dedicated to accelerating the energy transition.

Renewable Energy Power Generation$59.9MEst. 2022
HIVED

HIVED

London

Hived is a supply chain, logistics, and delivery company offering a sustainable parcel delivery service.

Transportation, Logistics, Supply Chain and Storage$59.8MEst. 2021
Tonk Labs

Tonk Labs

London

We're building a portable data substrate for humans and their tools to think together.

AI & machine learning$3.4MEst. 2023
Tranched

Tranched

London

Institutional Securitisation On Chain - a16z CSX 2024

Fintech$3.3MEst. 2023
Superscript

Superscript

London

Superscript is a healthcare tech company building an online marketplace for upfront pricing to make medical care transparent, exposing arbitrage in provider–payer negotiations and enabling patients to shop for care; about 30 employees, Seri

HealthTech$54.6MEst. 2021
Qargo

Qargo

London

Our Transport Management System for road transport companies allows you to decrease your administrative workload and focus on the things that really matter: - customer experience - increasing operational efficiency -…

Software Development$53.1MEst. 2020
Lindus Health

Lindus Health

London

The Accountable Research Organization, engineered to give sponsors confidence and control over their clinical studies.

Healthtech$52.9MEst. 2021
Zalos

Zalos

London

London-based · fintech.

Fintech$3MEst. 2025
Brickwise

Brickwise

London

Brickwise offers AI-powered property management that handles tenant calls, maintenance requests, and property operations.

PropTech$2.9MEst. 2025
Trace

Trace

London

London-based · ai & machine learning.

AI & machine learning$2.9MEst. 2025
Stackfix

Stackfix

London

Stackfix takes frontier AI and deploys it inside real businesses

AI & machine learning$2.9MEst. 2023
Sequence

Sequence

London

Sequence is an AI-powered revenue platform for finance teams, processing over $1B in invoice volume with 10x ARR growth. It closed a $20M Series A led by 645 Ventures with a16z, counting Cognition, incident.io, MoonPay, and 100+ others as c

SaaS$48.8MEst. 2021
Vertice

Vertice

London

London-based · no-code & automation.

No-code & automation$48.1MEst. 2021
Lawhive

Lawhive

London

Practice the Way You Want

Legal & compliance tech$48MEst. 2021
Orbital Industries

Orbital Industries

London

London-based · ai & machine learning.

AI & machine learning$48MEst. 2022
Caribou

Caribou

London

London-based · legal & compliance tech.

Legal & compliance tech$2.7MEst. 2023
Relay Technologies

Relay Technologies

London

Relay is building a frictionless delivery network for online commerce, aiming to reduce costs and remove barriers to e-commerce growth. It raised $35 million in Europe’s largest-ever logistics Series A, led by Plural, underscoring its rapid

Freight and Logistics$45MEst. 2022
Wondercraft

Wondercraft

London

AI Video Studio for Real Work

AI & machine learning$2.6MEst. 2023
Riplo

Riplo

London

Riplo is a student-run freelance web development company centered at the University of Pennsylvania.

AI & machine learning$2.5MEst. 2025
Gensyn

Gensyn

London

The Machine Learning Compute Protocol that unites all of the world’s compute into a global machine learning supercluster

Data & analytics$41.3MEst. 2020
FYLD

FYLD

London

FYLD is a fieldwork execution platform powered by AI, transforming infrastructure operations with real-time data.

AI & machine learning$39.4MEst. 2020
Adclear

Adclear

London

FinProm Compliance, in Seconds.

Legal & compliance tech$2.4MEst. 2024
Metris Energy

Metris Energy

London

The UK's leading asset management solution for solar.

Climate tech$2.3MEst. 2023
Zodia Custody

Zodia Custody

London

Zodia Custody is a digital asset custodian that helps corporations and professional investors safeguard their crypto assets.

Financial Services$36MEst. 2020
Mission Zero Technologies

Mission Zero Technologies

London

Founded in 2020, it pioneers Direct Air Capture (DAC) technology to remove historic CO2 and advance carbon removal and utilisation, backed by Breakthrough Energy Ventures, XPRIZE Foundation, Stripe and the UK government, with commercializat

Environmental Services$35.2MEst. 2020
Lobby

Lobby

London

London-based · travel & hospitality tech.

Travel & hospitality tech$2.1MEst. 2025
QuantumLoopAI

QuantumLoopAI

London

QuantumLoopAI is the UK's leading AI receptionist for NHS primary care.

Technology, Information and Internet$2MEst. 2023
General Index

General Index

London

General Index delivers future-proof energy benchmarks.

Information Services$31.1MEst. 2020
BKN301

BKN301

London

The AI-driven BaaS Orchestrator for modern banking.

Fintech$30.8MEst. 2021
Ultralytics

Ultralytics

London

Simpler. Smarter. Further.

Software Development$30MEst. 2022
Wayve

Wayve

London

We're Wayve, a leading developer of embodied intelligence for autonomous vehicles.

AI & machine learning$1.2BEst. 2017
Scarlet

Scarlet

London

Europe’s only Notified Body specialised in software and AI.

Hospitals and Health Care$29MEst. 2020
Definely

Definely

London

Create, draft and review legal documents in one place, with one tool

Legal & compliance tech$28.8MEst. 2020
Raycast

Raycast

London

Raycast makes it simple, fast and delightful to control your tools.

Developer tools$28.8MEst. 2020
Sunsave

Sunsave

London

We're making solar accessible with the UK's only solar subscription ☀️

Energy$28MEst. 2022
Yondr Group

Yondr Group

London

Yondr Group is a developer, owner operator and service provider of data centers.

Technology, Information and Internet$1.1BEst. 2018
Synthera AI

Synthera AI

London

London-based · fintech.

Fintech$1.7MEst. 2024
Kraken Technologies

Kraken Technologies

London

London-based · ai & machine learning.

AI & machine learning$961MEst. 2019
Capsa AI

Capsa AI

London

AI Operating System For Private Equity.

AI & machine learning$1.6MEst. 2023
Stability AI

Stability AI

London

Stability AI is an artificial intelligence company focused on developing open-source generative AI models.

AI & machine learning$850MEst. 2019
Zilch

Zilch

London

Zilch is is a direct-to-consumer ad-subsidised payments network that provides a flexible buy now, pay later service.

Financial Services$822.9MEst. 2018
All startups in London | CleraMap