The UK AI sector will continue to see impressive growth in 2025. According to DWF Group venture capital data, AI startups accounted for the majority of investment in 2025, securing £1.8bn of funding in the first half of the year. This highlights both the volume and strategic importance of AI deals in the broader UK VC landscape.
This surge reflects the UK's innovation hub, strong research base and supportive ecosystem, making 2025 an outstanding year for AI funding.
In this roundup, we highlight the top 10 UK AI funding rounds of 2025, highlighting the deals that will shape the future of technology and position the UK at the forefront of global AI investment.
N scale
Founder/s: Josh Payne
Year of establishment: 2023
Recent funding: $1.1 billion
Nscale is an AI-optimized infrastructure platform designed to support the next wave of technological innovation. Its vertically integrated model spans hardware procurement leveraging one of the world's largest GPU supply pipelines to a proprietary software orchestration layer that delivers highly efficient, fine-tuned performance.
The company operates greenfield data centers in Norway and the UK powered by ultra-low-cost renewable hydropower, delivering sovereign-ready computing at significantly lower cost and lower latency than traditional hyperscalers.
Making history, Nscale closed on the largest Series B round in European history in September, securing $1.1 billion. Led by energy giant Aker ASA and supported by industry leaders including Microsoft, OpenAI, NVIDIA, Dell, Fidelity Management & Research, G Squared, Nokia, Point72, Blue Owl, and T.Capital, the round will enable the company to accelerate the global rollout of its AI-native infrastructure.
isomorphic lab
Founder/s: Demis Hassabis
Year of establishment: 2021
Recent funding: $600 million
Isomorphic Labs is an AI-driven drug discovery company spun out of Alphabet's DeepMind focused on applying advanced artificial intelligence to pharmaceutical research.
Powered by DeepMind's AlphaFold technology, the company predicts protein structures in the human body, enabling scientists to better understand disease mechanisms and design more accurate and effective drugs. Isomorphic works closely with leading pharmaceutical partners to accelerate drug development and improve the efficiency of bringing new treatments to market.
The company recently secured $600 million in funding, confirming investors' strong confidence in AI applications beyond large-scale language models. The capital will support the long-term growth of AI-powered drug discovery, an area expected to expand rapidly in parallel with medical innovation and supportive policies such as the UK Life Sciences Plan.
there is nothing
Founder/s: Karl Pei
Year of establishment: 2021
Recent funding: $200 million
No consumer electronics startup has immediately caught our attention in the cutthroat smartphone market thanks to its outstanding design. Its transparent aesthetic, glowing LED back panel, and unique interface have helped the brand establish a niche identity among young consumers. The recently launched Phone (3) embodies this strategy, with critics and users alike praising its striking design and user-friendly features.
The company, whose total sales exceeded $1 billion this year, also raised $200 million in a Series C round led by Tiger Global in September. Existing backers GV, Highland Europe, EQT, Latitude, I2BF, and Tapestry participated in the round, as well as new strategic investors Qualcomm Ventures and Zerodha co-founder Nikhil Kamith.
fluid stack
Founder/s: Gary Wu, Cesar Maklary
Year of establishment: 2017
Recent funding: $200 million
Fluidstack, a cloud infrastructure provider, is focused on delivering high-performance computing for AI and machine learning workloads. The company specializes in providing on-demand access to large-scale GPU clusters, enabling organizations to train advanced AI models and run inference efficiently.
By providing a flexible and scalable infrastructure, Fluidstack eliminates the need for customers to invest heavily in hardware or manage complex systems. Its platform is used by AI research labs, fast-growing startups, and enterprise customers who build and deploy data-intensive AI applications across multiple industries.
In February, Fluidstack secured a $200 million Series A funding round. The investment was led by private equity firm Kakuti. The company is reportedly looking to raise $700 million, which could make it worth around $7 billion.
Synthesia
Founders: Victor Riparbelli, Steffen Tjerrild, Professor Lourdes Agapito, Professor Matthias Niessner
Year of establishment: 2017
Recent funding: $200 million
To drive change in corporate training and communications, Synthesia builds AI tools for enterprises. It enables global companies like DuPont, Xerox, and Spirit Airlines to turn complex training materials into engaging, multilingual videos featuring realistic digital presenters. What started as an experiment to simplify workplace content quickly evolved into a serious business.
After raising $200 million led by Alphabet's venture company GV, Synthesia is now valued at $4 billion. With this latest funding, the company plans to expand its reach beyond training rooms. We are building tools for marketing, advertising, and internal communications with the aim of providing a single unified platform for all types of business video.
ori industry
Founder/s: Mahdi Yahya
Year of establishment: 2018
Recent funding: $175 million
Ori Industries is a London-based AI infrastructure provider founded in 2018 that operates a cloud computing platform that provides high-performance computing for artificial intelligence workloads. The company was founded by Mahdi Yahya, an entrepreneur with more than 20 years of experience building data center networks and Internet infrastructure around the world.
Ori provides enterprises with pay-as-you-go, cloud-based access to high-performance GPUs for training, inferring, and deploying AI models. The platform integrates Nvidia's most advanced processors, including H200, H100 and GB200 chips available across European data centers.
Ori will act as a connectivity infrastructure layer between AI applications and physical computing hardware, addressing Europe's lack of sovereign AI computing capacity. The company is expected to record $42 million in annual recurring revenue by the first quarter of 2024 and exceed $300 million by year-end, demonstrating strong demand for Europe-based AI computing infrastructure.
In February 2025, Ori secured $175 million in funding to expand its computing-as-a-service operations across Europe. The company also announced an undisclosed strategic investment from Saudi Aramco's venture capital arm that will enable it to expand into the Middle East.
quantexa
Founder/s: Vishal Maria
Year of establishment: 2016
Recent funding: $175 million
Quantexa, a specialist in digital intelligence (DI) solutions, has announced a partnership with Microsoft. Launched AI-powered workloads for Microsoft Fabric and a cloud-native anti-money laundering (AML) solution for midsize U.S. banks via Azure Marketplace.
The company also announced Q Assist, an advanced AI-powered assistant designed to enhance and streamline analyst-driven research. This allows users to interact with the platform in natural language, making research more efficient by providing queryable and contextual representations of business risks and opportunities.
In early 2025, Quantexa secured $175 million in Series F funding, increasing its valuation to $2.6 billion. The round was led by Teachers' Venture Growth (TVG), part of the C$255 billion Ontario Teachers' Pension Plan, with participation from existing investors including British Patient Capital.
Signal AI
Founder/s: David Bennigson, Miguel Martinez
Year of establishment: 2013
Recent funding: $165 million
London-based Signal AI is here to help. It applies artificial intelligence to public information to identify risks and opportunities. This helps companies that use media monitoring make better decisions and expand into new markets.
Signal AI reports that nearly 40% of Fortune 500 companies use decision augmentation solutions for real-time media and market intelligence to uncover risks, trends, and opportunities to support critical decisions.
In September, Signal AI raised $165 million in growth equity led by Battery Ventures. Existing investors Highland Europe, Mercuri and MMC Ventures remain minority shareholders. With this investment, Battery Ventures will acquire a majority stake in Signal AI and support the company's next phase of growth.
physics
Founder: Robin Trouillet, Giacomo Corbo
Established: 2019
Total funding: $135 million
London-based PhysicsX is transforming industrial engineering by fusing generative AI with deep physics simulation, replacing traditional numerical modeling with AI-driven reasoning. The company's enterprise platform uses the Large Physics Model (LPM) to enable engineers to run thousands of high-fidelity simulations a day without waiting weeks for traditional calculation results.
PhysicsX's platform is seamlessly integrated throughout the product lifecycle, from concept to manufacturing to operational optimization.
In June, PhysicsX closed a $135 million Series B funding round led by Atomico with participation from industry giants Siemens and Applied Materials, Singapore's Temasek, and July Fund.
caspa eye
Founder/s: Max Welling, Chad Edwards
Year of establishment: 2024
Total funding: $100 million
CuspAI is an AI startup that uses generative AI, deep learning, and molecular simulation to develop a platform for generating and evaluating new materials. The platform acts as a materials search engine, allowing users to request specific properties of new materials. CuspAI's goal is to address sustainability challenges by developing materials that support climate action, renewable energy, and other global priorities.
After speculation, a UK-based deep tech startup pioneering AI-driven materials discovery raised $100 million in a Series A round in September. The funding was co-led by New Enterprise Associates (NEA) and Singapore's Temasek, with support from NVentures (NVIDIA's VC arm), Samsung Ventures, Hyundai Motor Group, and a strong roster of global investors. This round follows a $30 million seed just a year ago.
dexary
Founders: Adrian Negoita, Andrei Danescu, Oana Jinga
Established: 2015
Recent funding: $165 million
Dexory, a UK-based leader in warehouse robotics and AI-driven data intelligence, was originally founded as BotsAndUs. Its core mission is to transform logistics with autonomous robots and digital twin technology, enabling real-time operational visibility and smarter decision-making.
Our flagship product, DexoryView, leverages autonomous robots equipped with LiDAR and sensors to scan more than 10,000 locations per hour, providing a real-time digital twin of your warehouse. It provides instant insight, error detection, space optimization, and safety monitoring to significantly improve inventory accuracy and operational efficiency.
In October, Dexory secured a $165 million Series C round led by Eurazeo's Growth team, with participation from existing investors including LTS Growth, Endeavor Catalyst, DTCP, Aomico, Lakestar, Elaia, Latitude Ventures, and Wave-X. Additionally, Bootstrap Europe has increased its growth debt facility by $65 million to support further business expansion and product development.
