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Top Machine Learning Companies in London (273)

Abtrace
Artificial Intelligence • Information Technology • Machine Learning • Natural Language Processing • Software
London
23 Employees
Hiring Now

Machine Learning and clinical innovation to reshape the delivery of primary care. #AI #NLP #Healthcare @abtrace_co

Abtrace
Flagright
Artificial Intelligence • Machine Learning • Security • Software • Financial Services • Generative AI • Automation
5 Offices
35 Employees
Hiring Now
AI-native transaction monitoring and AML compliance solutions

Flagright sets the modern standard for AI-native transaction monitoring. The platform enables financial institutions to centralize detection, investigation, and reporting of suspicious activity, streamlining regulatory workflows and strengthening financial crime controls. A high-performance, no-code scenario builder with sub-second API response times powers real-time monitoring, supported by tailored rules, dynamic risk profiling, and simulation tools that reduce false positives and improve...

Flagright
Signifyd
Fintech • Machine Learning • Payments • Software • Financial Services
8 Offices
450 Employees
30 Benefits Hiring Now
Signifyd is the world’s largest provider of guaranteed fraud protection.

Signifyd provides an end-to-end Commerce Protection Platform that leverages its Commerce Network to maximize conversion, automate customer experience and eliminate fraud and consumer abuse for retailers. Signifyd counts among its customers a number of companies on the Fortune 1000 and Digital Commerce 360 Top 500 lists. Signifyd is headquartered in San Jose, CA., with locations in Denver, New York, Mexico...

Signifyd

Signifyd's Top Stability & Growth Strengths

Strong Market Position & Advantage: Industry recognition from sources such as G2, Frost & Sullivan, and Digital Commerce 360 repeatedly places the company among the leaders in e-commerce fraud prevention and commerce protection. Adoption by major retailers, including Fortune 1000 and Top 500 companies, reinforces its established position.

Market Expansion: Recent funding and stated initiatives supported growth into Europe and Latin America, alongside maintaining operations across multiple regions. New integrations with major commerce platforms and moves into additional payment markets indicate continued geographic and channel expansion.

Product Line Growth: The offering has expanded beyond checkout fraud protection to include areas like returns and abuse, exemplified by the launch of Intelligent Returns. Ongoing enhancements to AI-driven decisioning and predictive tools broaden coverage across the customer journey.

Encord
Artificial Intelligence • Computer Vision • Machine Learning • Software
3 Offices
150 Employees
Hiring Now
The data layer for physical AI

Encord is the data layer for physical AI. We're how the world's most ambitious AI teams turn messy, multimodal data into production systems - from humanoid robots to autonomous vehicles to smart infrastructure. 300+ teams including Toyota, Skydio, and Maxar rely on Encord to curate, manage, and align the data their models actually need. $110M raised. San Francisco, New York,...

Encord
WeBuild-AI
Artificial Intelligence • Cloud • Information Technology • Machine Learning • Software
London
22 Employees
Hiring Now

We are AI native solution builders. We combine highly skilled experts, with our AI & data launchpad, industry aligned language models and agents to transform our customers into AI powered and data driven businesses. We deliver 10x value creation to enterprise organisations.

WeBuild-AI
Unity
AdTech • Artificial Intelligence • Gaming • Machine Learning • Software • Virtual Reality • Metaverse
12 Offices
4,500 Employees
38 Benefits Hiring Now
Unity is the leading platform to create and grow games and interactive experiences.

Unity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries...

Unity

Unity's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue momentum has returned, with year‑over‑year growth in late 2025 and early 2026 tracking ahead of guidance, powered by acceleration in the newer AI‑driven ads engine and improving Create performance.

Healthy Cash Flow: Cash generation improved with positive free cash flow and stronger adjusted margins, and the company closed 2025 with a substantial cash balance.

Strong Market Position & Advantage: Unity remains a leading platform for mobile and cross‑platform real‑time 3D, reflected in broad engine and SDK usage among top titles and an end‑to‑end engine‑plus‑services footprint.

Intent HQ Limited
Information Technology • Machine Learning • Software
London
200 Employees
Hiring Now

Intent HQ’s AI Analytics Platform generates uniquely human insights from complex behavioural data streams, allowing you to more accurately predict what your customers will like or want and, most importantly, what they will do next. Our clients use these newfound insights to win new customers and grow existing customer relationships with truly tailored offers and messaging, save by being more...

Intent HQ Limited
Faculty (faculty.ai)
Artificial Intelligence • Machine Learning • Big Data Analytics
London
663 Employees
18 Benefits Hiring Now

We build and deploy safe AI systems that combine the best of human and artificial intelligence to help our customers achieve exceptional performance.

Faculty (faculty.ai)
Axtria - Ingenious Insights
Artificial Intelligence • Cloud • Machine Learning • Software • Analytics
16 Offices
2,856 Employees
29 Benefits Hiring Now

Axtria is a global provider of cloud software and data analytics to the Life Sciences industry. We help Life Sciences companies transform the product commercialization journey to drive sales growth and improve healthcare outcomes for patients. We are acutely aware that our work impacts millions of patients and lead passionately to improve their lives. Since our founding in 2010, technology innovation...

Axtria - Ingenious Insights

Axtria - Ingenious Insights's Top Stability & Growth Strengths

Investor Backing & Capital Strength: Multiple large transactions, including a $240M deal in 2025 and earlier growth investment, indicate strong external capital support to fund expansion. Public disclosures frame these investments as enabling organic and inorganic growth.

Strong Market Position & Advantage: Independent assessments from Everest Group and Frost & Sullivan, alongside recurring inclusion in Gartner Hype Cycles, depict leadership within life sciences commercial analytics and platforms. Deep penetration with many top global pharma companies further signals durable competitive standing.

Innovation-Driven Growth: Active rollout of AI-first and agentic-AI capabilities across platforms (e.g., InsightsMAx.ai, SalesIQ, CustomerIQ, MarketingIQ, DataMAx) underscores a product innovation engine. Analyst attention linking Axtria to commercialization AI and automation suggests innovation is a core growth driver.

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Cohere AI
Artificial Intelligence • Machine Learning • Natural Language Processing • Software • Generative AI
4 Offices
224 Employees
8 Benefits Hiring Now

Cohere provides unprecedented access to affordable, easy-to-deploy large language models. Our platform gives computers the ability to read and write - whether you want to better understand what your customers are saying, or you want to write compelling copy that speaks to your target audience, Cohere can help.

Cohere AI
iLoF
Artificial Intelligence • Machine Learning • Analytics • Biotech
2 Offices
50 Employees
Hiring Now

iLoF is a digital health company pioneering a breakthrough AI-platform to accelerate the future of personalized drug discovery and development. Through advanced AI and Photonics, iLoF is collecting massive amounts of data to build a digital library of biomarkers and biological profiles, bringing together world-class physicists, biologists, and data scientists to get life-saving personalized treatments to patients faster. Recognized by...

iLoF
Runecast Solutions
Information Technology • Machine Learning • Software
London
71 Employees

Runecast Solutions Ltd. is a global leader in AI-powered risk mitigation, security, continuous compliance and more efficient IT operations management. Our cloud-native application protection platform (CNAPP), Runecast, spans on-premises VMware to operating systems, cloud and containers. Trusted by forward-thinking enterprises like Avast, the German Aerospace Center (DLR) and Merck/MSD, we provide proactive vulnerability and configuration drift management, security and compliance...

Runecast Solutions
Telesign
Cloud • Machine Learning • Security • Software • Cybersecurity
5 Offices
781 Employees
27 Benefits
Telesign exists to make the digital world a more trustworthy place for everyone.

Telesign provides continuous trust to leading global enterprises by connecting, protecting, and defending their digital identities. Telesign verifies over five billion unique phone numbers a month, representing half of the world’s mobile users, and provides critical insight into the remaining billions. The company’s powerful AI and extensive data science deliver identity with a unique combination of speed, accuracy, and global...

Telesign

Telesign's Top Stability & Growth Strengths

Profitability: Profitability improved as the parent reported that Telesign turned EBITDA positive and that the international brands were EBITDA-positive in late 2024. Direct margin improvement was also highlighted even amid revenue pressure.

Strong Market Position & Advantage: Specialization in phone-number intelligence, risk scoring, authentication, and fraud mitigation is repeatedly positioned as a differentiator with multiple third-party recognitions cited. The company is described as a category leader in its phone-centric identity and fraud-prevention niche even if not the broad CPaaS share leader.

Future-Ready Strategy: The Proximus Global integration and stated shift toward higher-margin Digital Identity and CPaaS services signal a forward-leaning pivot away from legacy SMS dependence. Management commentary also points to expansion into omnichannel messaging and upcoming Network API offerings across the group.

Onix
Artificial Intelligence • Cloud • Machine Learning • Analytics • Consulting
10 Offices
1,553 Employees
25 Benefits

Onix is a trusted cloud consulting company that helps businesses get the most out of their technology with innovative, cloud-powered solutions and services. From data analytics and modernization to security and AI/ML solutions, we’re able to deliver tailored solutions and exceptional results for our customers because of our 20+ year strategic partnerships in the cloud, our dedication to customer success,...

Onix
SATIS.AI
Artificial Intelligence • Computer Vision • Food • Machine Learning • Software
London
14 Employees

Satis.AI is an AI powered operational platform for kitchens aimed at improving labour and process, and reducing order mistakes. Our targeted solution using Satis AI vision, forms a complete understanding of what is happening in real time, with cameras covering key kitchen stations. This is used to assist staff in real time via our next gen intelligent kitchen display systems....

SATIS.AI
Omnifia
Artificial Intelligence • Machine Learning • Software
London
9 Employees

Omnifia unlocks people analytics for HR and People leaders, so you can focus on strategy and create better results. It enables this by unlocking AI-driven, passive and real time analytics across the employee experience, and team productivity. Link your scattered data together in a few clicks, and get to the insights you need about your people and company. Omnifia is...

Omnifia
Google DeepMind
Artificial Intelligence • Machine Learning • Software
11 Offices
3,869 Employees
7 Benefits

We’re a team of scientists, engineers, machine learning experts and more, working together to advance the state of the art in artificial intelligence. We use our technologies for widespread public benefit and scientific discovery, and collaborate with others on critical challenges, ensuring safety and ethics are the highest priority. Our long term aim is to solve intelligence, developing more general and...

Google DeepMind
Zero One Creative
Artificial Intelligence • Digital Media • Machine Learning • Software
London
8 Employees

At Zero One Creative, we’re a start-up with big ambitions and a passionate team, blending new technologies and machine learning to enhance content creativity.

Zero One Creative
Hugging Face
Artificial Intelligence • Machine Learning • Natural Language Processing • Software • Generative AI
11 Offices
175 Employees
19 Benefits
Hugging Face is the leading open platform for AI builders.

Hugging Face is the leading open platform for AI builders. For researchers, Hugging Face is the place to publish models and collaborate with the community. For data scientists, it’s where you can explore over 300k off-the-shelf models for any machine learning task and create your own. For software developers, it’s where you can turn data and models into applications and features. Today,...

Hugging Face
Canva
Artificial Intelligence • Cloud • Digital Media • Machine Learning • Mobile • Software • Design
9 Offices
5,000 Employees
14 Benefits
Join our mission to empower the world to design.

Canva is a free, online tool where you can create social media posts, presentations, posters, videos, logos and more. Our community of 220 million+ monthly active users is already creating 400+ designs every second, but we’re just 1% of the way to our goal. It’s hard to explain what makes life at Canva so special, but we've identified two key...

Canva

Canva's Top Stability & Growth Strengths

Strong Revenue Growth: Independent analyses and business press describe rising annualized revenue from 2024 into 2025, indicating sustained double‑digit momentum. This trajectory is repeatedly cited alongside multi‑year profitability signals.

Strong Market Position & Advantage: Sources characterize Canva as a category leader in web‑first visual communication with very large user reach and broad Fortune 500 penetration. Private‑market valuation step‑ups and widespread adoption across education, SMBs, and enterprises reinforce this position.

Product Line Growth: The company has expanded beyond its core editor via the Affinity acquisition and launches like a “Creative Operating System,” deeper AI features, and new tools such as Sheets and Code. These additions extend coverage from easy graphics into professional workflows and enterprise offerings.

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