Best Semiconductors Companies in England, United Kingdom

Developer of AI chips for running large AI models. The company develops data center LLM inference accelerator for models with billions or hundreds of billions of parameters

Funding rounds

• May 2026Series B$220M
• Jan 2026Series A$22.5M
• Feb 2025Angel—
• Oct 2024Grant (prize money)$6.5M

Founders & team

Walter GoodwinCo-Founder & CEO

Investors

Aria, Kindred Capital, NIF, Oxford Science Enterprises, Cocoa, Inovia Capital

Tech stack

Apple Icloud MailCloudflareGoogle WorkspaceHstsLenisNode.Js

Provider of AI-powered optical processing technology for big data applications. It designs and develops model simulation units and big data analysis units. Model simulation units will have a specification of multiple petaFLOPs, and Big Data analysis units will have an initial specification of 1.3 petaFLOPs. It also built a scalable and lens-less optical processing prototype that can perform mathematical functions.

Funding rounds

• Jan 2026Series A$30.9M
• Jul 2023Series A$27.5M
• Sep 2017Seed$4M
• Apr 2016Grant (prize money)$350K

Founders & team

Robert ToddCo-Founder & Chief Technical Officer

Investors

Europa, DARPA, Exor, Northern Gritstone, Lingotto, Grant Thornton UK

Provider of graphene-based magnetic sensors. It develops graphene solutions using its proprietary two-dimensionally material manufacturing process. Its products portfolio includes graphene-based hall-effect sensors, biosensors, and solid-state devices. Its features include hardness, bendability, and absorbency across UV and visible spectrum.

Funding rounds

• Aug 2025Series C$55M
• Mar 2022Series B$60M
• Apr 2020Grant (prize money)—
• Dec 2019Series A$4.5M

Founders & team

Ivor GuineyCo-FounderColin HumphreysCo-FounderSimon ThomasCo-Founder & CEO

Investors

Advanced Propulsion Centre UK, IQ Capital, Parkwalk, Amadeus Capital, Cambridge Enterprise, Draper Esprit

Tech stack

American ExpressApache Http ServerApple Icloud MailApple PayBackbone.JsCart Functionality

Provider of a non-invasive brain-computer interface solution for various industries. It enables users to develop, design, measure, study, record, process, analyze, manage, and control brain data for decision-making. Its offering includes application development, research, neuroimaging, and stimulation technologies. It caters to the health and manufacturing industries.

Funding rounds

• Oct 2025Series A$60M
• 2023Seed—

Founders & team

James DacombeCo-Founder & CEO

Investors

Angelini Ventures, LocalGlobe, Octopus Ventures, Crane Venture Partners, Backed, Entrepreneur First

Tech stack

Apple Icloud MailFramer SitesGodaddyGoogle Font ApiGoogle WorkspaceHsts

Developer of graphene-based photonic circuits. Its offerings include next-generation photonic circuits for telecoms and datacom, with integrated photonics technology enabling simplified design and energy-efficient transceiver solutions. Its features include graphene-integrated optical transceivers with high bandwidth density, miniaturized form factor, ultra-fast electro-optical response, wavelength independence, and low power consumption. It also supports compatibility with standard silicon foundries and offers custom circuit development for specific telecom and data center applications.

Developer of application-specific organic materials for organic thin-film transistors. It develops organic semiconductor materials for the manufacture of flexible displays and electronics. It has applications in smartwatch displays and transistor backplanes. It also provides links and coatings for use in electronic devices.

Funding rounds

• Dec 2024Post IPO$7.6M
• Dec 2024Grant (prize money)$1.1M
• Sep 2024Post IPO$152.4K
• Mar 2024Post IPO$347.5K

Founders & team

Ian JenksChairman and CEO

Investors

EIC Fund, Porton Group, Development Bank of Wales, Entrepreneurs Fund, Octopus Ventures, BASF

Tech stack

Animate.CssApache Http ServerBootstrapCloudflareCloudflare Bot ManagementContact Form 7

Provider of GPU processor solutions for graphics and AI vision applications. It offers silicon IP cores, graphics processors, design optimization kits, NNA, central processing units, AI chips, and ethernet packet processors. Its use cases are in automotive, AR and VR, mobile, and consumer applications.

Funding rounds

• Jul 2024Post IPO$100M
• Sep 2011Grant (prize money)$199K
• Jun 2009Post IPO$5.2M
• Dec 2008Post IPO$5M

Founders & team

Wallace PCOO

Investors

Fortress, Apple, Intel Capital, HHS, Artiman, Canyon Bridge Capital Partners

Tech stack

AhrefsCdnjsChoicesCloudflareCloudflare Bot ManagementCookieyes

Provider of concrete monitoring solutions, data management, and AI-powered mix insights. The company offers sensors for real-time strength and temperature monitoring. It automates concrete data collection, reducing waste and human error. Predictive and generative artificial intelligence delivers insights for mix selection, optimisation, and design.

Funding rounds

• May 2025Series B$22M
• May 2022Series A$18.8M
• Oct 2015Grant (prize money)$38.6K

Founders & team

Gideon FCo-Founder & CTO

Investors

MassChallenge, OGCI, Climate Investment, ABN AMRO, Move Energy, PI Impact

Tech stack

CdnjsCloudflareGoogle AnalyticsGoogle Tag ManagerJqueryJsdelivr

Provider of AI-based solutions for accelerating chip design and development. Tattvam AI is a developer of software solutions aiming to bring software-speed agility to the chip design industry. The company leverages artificial intelligence to enhance the design process. It plans to launch its first product in the coming months.

Funding rounds

• Feb 2026Seed$1.7M

Founders & team

Lannan JiangCo-FounderBragadeesh BabuCo-Founder & CEO

Investors

Seedcamp, Entropy IC Management LLC, Concept Ventures, EWOR

Tech stack

GodaddyGoogle WorkspaceHstsOpen GraphRadix UiReact

Peratech is a developer of force/touch sensing solutions using its proprietary QTC (Quantum Tunneling Composites) materials. Peratech's technology is integrated into smartphones, electronic whiteboards, cordless drills, robots etc. The company is also instrumental in developing 3D force touch technology. Peratech has won several industry awards including the Saatchi and Saatchi Communication Award and the Tomorrow's World Industry Award. Peratech has also been the recipient of three SMART awards from the UK Government to aid the development and exploitation of QTCs.

Manufacturer of flexible solar film modules using microgroove technology components. These solar modules utilize mineral based materials to capture energy. The production process involves high speed manufacturing techniques to create lightweight and adaptable solar energy products. These modules are designed for application across various surfaces to generate renewable power.

Funding rounds

• Oct 2024Series B$5.6M
• Jul 2023Series B$1.3M
• Feb 2022Series B$6.9M
• Nov 2021Series B$3.4M

Founders & team

Alexander ToppingFounder & CSONeil SpannCEO

Investors

Greenwood Way Capital, Acceleris Capital, Maven Capital Partners, NorthInvest, Green Angel Ventures, Indigo 7 Ventures

Tech stack

BootstrapCart FunctionalityCloudflareGoogle AnalyticsGoogle Analytics Enhanced EcommerceGoogle Cloud

Developer of 3D optical computing processors for AI data centers. This technology offers significantly faster processing speeds and substantially lower energy consumption compared to traditional silicon-based solutions. The processors utilize the properties of light beams in three-dimensional space for parallel processing, resulting in a substantial increase in performance and efficiency. This approach addresses the limitations of current AI infrastructure by reducing costs and power requirements while enhancing performance.

Funding rounds

• Apr 2025Series A$10M
• Feb 2023Grant (prize money)$1.3M
• Jan 2022Seed$2.4M

Founders & team

Tom BarrettCo-FounderJames SpallCo-Founder & CTOXianxin GuoCo-Founder & CEO

Investors

Constructor Capital, IP Group, PhotonVentures, Journey Venture, LIFTT, Qubits Ventures

Tech stack

CloudflareCookieyesGodaddyGoogle Font ApiGoogle Hosted LibrariesGoogle Tag Manager