Turn this list into pipeline.
Semiconductor Companies in the UK: 600+ Active Firms (2026)
Semiconductor companies design, develop and supply chips, microelectronics and related intellectual property in the UK.
Buying centres usually sit with engineering, product and operations teams rather than general procurement, because purchases turn on qualification, reliability and supply assurance. The main demand pools are industrial controls, communications equipment, computing infrastructure, automotive electronics, defence-adjacent systems and advanced manufacturing. Engagements tend to be long-cycle technical sales: design services, licensed intellectual property, specialist components and production-support work can all sit inside the same supplier conversation. Buyers are mostly commercial organisations with engineering depth, not consumer channels, and contracts often depend on evidence of process control and continuity of supply.
Read more
The UK cohort contains 686 actively trading semiconductor and microelectronics firms, with reported employment of 2,724 people. Annual turnover is above £5M at 49 firms, leaving most of the market below that threshold and often closer to specialist engineering-services scale than volume chip production. Another 90 firms were incorporated since 2022, so the cohort still has a visible early-commercial layer alongside older design, component and supply-chain businesses.
There is no sole conduct regulator for semiconductors, but UK government treats the activity as strategically sensitive. Public policy focuses support on research, design and compound semiconductors, while acquisitions can fall within the National Security and Investment Act regime. GOV.UK guidance treats relevant semiconductor research, development, production, intellectual property, know-how and related services as activities that may require notification. Export-control rules can also apply where goods, software, technology or technical assistance fall within controlled categories.
Commercial momentum appears to favour firms that sit close to customer engineering teams, prove reliability through qualification work and protect know-how without becoming dependent on a narrow manufacturing route. Scale-up scarcity is likely to remain a constraint, particularly where capital equipment, process validation and specialist hiring are needed before revenue becomes repeatable. Consolidation may come through licensing, design-services tie-ups and component supply relationships rather than broad platform plays. The sector tends to reward patient technical sales more than horizontal go-to-market expansion.
686
Active firms
2026
49
Above £5M
turnover
90
New since 2022
incorporated companies
Key facts
About 7% of the trading cohort reports turnover above £5M (49 of 686 firms) — the rest sits below that revenue band.
13% of the cohort was incorporated since 2022 (90 firms), so a sizeable share is in its first few filing cycles.
Certain acquisitions can require mandatory notification under the National Security and Investment Act; GOV.UK guidance lists semiconductors within 17 sensitive areas.
Relevant activity may also intersect with the Strategic Export Control List and export-control rules.
A 2024 GOV.UK sector study identified 623 in-scope UK semiconductor companies, including 210 dedicated semiconductor companies.
Dedicated UK semiconductor companies generated £9.6 billion in revenues in 2022, about 2% of global semiconductor revenues.
Top UK semiconductor companies
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides custom integrated circuit (ASIC) design and supply services, specialising in RF, MMIC, analogue and mixed‑signal chips. Offers turnkey chip development, semiconductor IP design, technical…
Serves electronics, semiconductor and product companies needing RF, analog, mixed-signal or digital ASIC expertise, with emphasis on wireless, telecoms, satellite, automotive, consumer and industrial…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
HILIGHT SEMICONDUCTOR LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and supplies analogue and mixed‑signal CMOS integrated circuits for high‑speed optical communication and networking equipment. Products include transimpedance amplifiers, laser drivers,…
Serves B2B customers in optical communications and networking, including telecom, datacom, FTTx PON and wireless infrastructure equipment manufacturers developing high-speed modules, ONUs and related…
Financial Health
StableStable · -26% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and develops high‑speed semiconductor components for data connectivity, including PAM‑X DSP chips, optical and electrical transceivers, transimpedance amplifiers, laser drivers and data…
Serves B2B customers in data centre, cloud AI, carrier network and 5G infrastructure markets, including organisations developing high-speed copper, optical and Ethernet connectivity applications…
Financial Health
StableStable · 0% CAGR over 4y
Location
VECTOR PHOTONICS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops semiconductor photonic‑crystal surface‑emitting lasers (PCSELs) and related technology for optical communications, sensing, LiDAR and industrial applications. Uses patented designs and…
Serves B2B customers developing optical communications, data centre, LiDAR, sensing and additive manufacturing systems, including OEMs and integrators in communications, defence, security,…
Financial Health
StableStable · -60% CAGR over 4y
Location
VIPER RF LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns and supplies GaAs, GaN and SiGe monolithic microwave integrated circuits (MMICs) for RF, microwave and millimetre‑wave applications. Offers standard and custom MMIC designs, RF modules…
Serves B2B customers in aerospace, communications and defence, including organisations developing RF, microwave and millimetre-wave systems that require specialist semiconductor components or modules.
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 3y
Location
3D PLUS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures radiation‑tolerant microelectronic components and system‑in‑package modules for space and aerospace applications, including memory devices, interfaces, power management…
Serves B2B customers in the global space, aerospace, defense, security and avionics sectors, including satellite manufacturers, mission operators and government space/defense programmes.
Financial Health
HealthyHealthy · -16% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures CMOS image sensors, ASICs and X‑ray detector systems for medical, industrial, scientific and security imaging. Provides wafer‑scale sensors, detector arrays and custom sensor…
Sells to B2B customers needing X-ray detectors and CMOS image sensors, including medical and dental device makers, industrial NDT firms, scientific users, veterinary and security equipment…
Financial Health
StableStable · Hiring · 7% CAGR over 2y
Location
Nascent Semiconductor Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDevelops and supplies silicon carbide (SiC) semiconductor devices and electronic components for high‑temperature and high‑radiation environments. Offers commercial off‑the‑shelf parts, bespoke…
Serves B2B engineering teams, manufacturers and innovators in automotive, oil and gas, geothermal, aerospace, space and military sectors, including aerospace engineers working on electric aircraft.
Financial Health
StrongStrong · Growing, Hiring · 145% CAGR over 2y
Location
INNOVAFLEX LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures semiconductor and flexible electronic components on glass and flexible substrates. Provides research and development, custom design, and manufacturing for technologies…
Serves B2B technology teams and OEMs in military, medical, industrial and security imaging markets, especially organisations developing advanced electronics, sensors, displays, antennas and…
Financial Health
StrongStrong · Hiring · 24% CAGR over 4y
Location
AshTronix Ltd
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides semiconductor engineering services including analog and mixed‑signal integrated circuit design, schematic capture, layout and simulation, post‑silicon validation and lab testing, and…
Serves semiconductor businesses and IC design teams developing analog, mixed-signal and power-management silicon, especially partners integrating low-power IP or preparing chips for production.
Financial Health
StrongStrong · Hiring · 48% CAGR over 3y
Location
Picocom Technology Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and develops semiconductor baseband system‑on‑chip (SoC) devices and carrier‑grade software for 4G and 5G small‑cell infrastructure and Open RAN networks, supporting mobile operators, IoT…
Sells to B2B telecom infrastructure customers, including mobile network operators and vendors building 4G/5G small cells and Open RAN networks. Also serves organisations deploying private wireless,…
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 4y
Location
Lattice Semiconductor UK Ltd.
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDevelops and supplies low‑power field‑programmable gate arrays (FPGAs), related semiconductor devices, design software, IP cores, and development kits used in industrial, communications, computing,…
Serves B2B electronics designers and OEMs in industrial automation, automotive, communications, computing, consumer electronics, aerospace and defence, especially teams building embedded, edge AI,…
Financial Health
StableStable · -50% CAGR over 1y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and develops RISC‑V based processor core intellectual property, development boards, and software tools. Supports creation and testing of customizable microprocessor architectures for…
Serves B2B semiconductor and electronics teams designing compute platforms for AI/ML, automotive, edge, IoT/embedded, consumer devices, data centres, space/aerospace and defence, and storage…
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 2y
Location
MICROSS ELECTRONICS LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides high‑reliability microelectronics products and services, including die and wafer processing, component modification, advanced packaging and assembly, and electrical and environmental…
Serves B2B electronics manufacturers and engineering teams in aerospace, defense, space and other high-reliability sectors, including buyers needing qualified components, die/wafer supply, OSAT,…
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 2y
Location
L E W TECHNIQUES LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsManufactures microelectronic components for optoelectronic, semiconductor, hybrid and microwave applications, including metallised ceramic parts, photodiode mounts and laser heatsinks. Provides thin…
Serves B2B product development and engineering teams in optoelectronics, semiconductor, hybrid electronics and microwave technology sectors, including manufacturers integrating miniature…
Financial Health
WeakWeak · -64% CAGR over 5y
Location
ISOCOM LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures hermetically sealed high‑reliability optoelectronic and electronic components, including optocouplers, opto‑isolators, MOSFETs, solid‑state relays, VCSEL lasers, emitters,…
Serves B2B engineering and procurement teams in space, aerospace, defence, and commercial/industrial electronics, including organisations building satellites, launch vehicles, spacecraft, rovers, and…
Financial Health
StrongStrong · Growing · 1% CAGR over 4y
Location
Tessolve Semiconductor Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides semiconductor engineering services including custom silicon and VLSI design, design verification, test engineering, PCB design and manufacturing, package engineering, and embedded systems…
Serves B2B clients developing semiconductor and embedded systems products, including automotive, avionics, AI, data center/enterprise, industrial and semiconductor companies.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 2y
Location
ESWIN UK LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops RISC‑V–based semiconductor chips, computing platforms and software for intelligent devices. Provides system-level hardware and software solutions, including processors, IP modules and…
Serves B2B electronics, automotive, industrial and robotics customers, including makers of smart home appliances, office devices, smartphones, wearables, tablets, smart manufacturing, energy,…
Financial Health
HealthyHealthy · -2% CAGR over 4y
Location
Designs high‑performance semiconductor chips, providing System‑on‑Chip (SoC) architecture, IP selection, front‑end and back‑end design, and tapeout support. Develops customised ASICs for applications…
Sells to B2B semiconductor and electronics product companies in AI, automotive, 5G, networking and related advanced-technology markets, particularly engineering teams developing custom SoCs or ASICs.
Location
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsDevelops and licenses CMOS device and semiconductor technology intellectual property and simulation modules based on NESS modelling tools. Provides consultancy, software, and training services to…
Serves semiconductor companies, chip design teams, EDA/tool vendors and research organisations developing CMOS, cryogenic electronics and silicon technologies, plus engineers needing specialist…
Financial Health
StableStable · Hiring · 33% CAGR over 1y
Location
Teratech Components
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, fabricates and sells millimetre‑wave and sub‑millimetre‑wave electronic components, including semiconductor diodes used in terahertz detectors, mixers and frequency multipliers for…
Serves organisations developing terahertz and millimetre-wave systems, including earth observation and remote sensing teams, non-destructive testing providers, cloud physics researchers, defence and…
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
Location
QST Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures MEMS and magnetic sensor ICs, accelerometers, environmental sensors, and sensor modules. Develops multi‑sensor platforms and automotive and IoT modules used in consumer…
Sells to businesses developing sensor-enabled products and systems in consumer electronics, industrial, automotive and IoT markets, including OEMs and engineering teams needing sensor chips, modules…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
PRP Optoelectronics Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures custom MicroLEDs, monolithic LEDs and LED light engines. Produces LED arrays, micro‑displays, UV LED devices and print head components used in avionics, military displays,…
Serves B2B OEMs and system integrators in defence, avionics, simulation, industrial printing, imaging and UV applications, plus selected consumer-sector optoelectronics customers worldwide.
Financial Health
HealthyHealthy · -1% CAGR over 4y
Location
Micross Solutions
Trajectory
5y · 2022–NowSupplies high‑reliability microelectronic components and provides semiconductor services including die and wafer processing, component modification, packaging and assembly, electrical and…
Sells to B2B and public sector buyers in aerospace, defence, space and other high-reliability electronics markets, including OEMs, manufacturers and engineering/procurement teams needing hi-rel…
Financial Health
Insufficient historyInsufficient history
Location
Presto Engineering Group Uk Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides ASIC design and semiconductor engineering services, including custom IC development, IP platforms, package design, testing, qualification, and foundry tape‑out support, helping companies…
Serves B2B technology companies developing products for industrial, automotive, aerospace, medical and communications markets, particularly teams needing custom microelectronics, ASICs and…
Financial Health
HealthyHealthy · -9% CAGR over 2y
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns and supplies analogue and mixed‑signal CMOS integrated circuits for high‑speed optical communications and networking. Products include transimpedance amplifiers, laser drivers, receivers,…
Serves B2B optical communications and networking equipment manufacturers, including FTTx/PON, datacom, wireless infrastructure and telecom suppliers.
Financial Health
StableStable
Location
SMARTKEM LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops semiconductor materials and inks used to manufacture organic thin‑film transistors (OTFTs) for flexible electronic devices. Provides electronic design automation tools and access to foundry…
Serves electronics and semiconductor manufacturers, display makers and product development teams working on microLED displays, advanced computer/AI chips, sensors, biosensors and RFID tags.
Financial Health
WeakWeak · -21% CAGR over 2y
Location
Micross
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides high‑reliability microelectronic components and services including semiconductor die and wafer processing, packaging and assembly, component modification, electrical and environmental…
Serves B2B customers in aerospace, defence, space and high-reliability electronics, including OEMs, manufacturers and engineering teams managing military/space-grade component supply chains.
Financial Health
WeakWeak · -2% CAGR over 4y
Location
CHIPFLOW LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides a platform and engineering services for developing custom ASIC chips. Offers silicon‑proven reference designs, integrated IP, design tools and supply‑chain coordination, enabling product…
Serves B2B product companies and OEM manufacturers, particularly mid-volume players with engineering teams in automotive, industrial, IoT and consumer electronics markets seeking product-specific…
Financial Health
StrongStrong · 71% CAGR over 3y
Location
Innosilicon Technology UK Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides semiconductor IP cores and system‑on‑chip design services, including high‑speed interface, memory and SerDes IP, custom ASIC and SoC development, chiplet and packaging design, and…
Serves semiconductor and electronics companies designing AI, HPC, automotive, wireless, edge AI and AIoT chips, including teams building GPU, NPU, CPU, FPGA and custom SoC products.
Financial Health
StrongStrong · Growing, Hiring · 27% CAGR over 2y
Location
Provides semiconductor packaging and testing services and electronic manufacturing services, including advanced packaging, system‑in‑package integration, and assembly of semiconductor devices and…
Sells B2B to semiconductor companies and electronics OEMs serving AI, 5G, cloud computing, IoT and automotive markets.
Location
Search For The Next Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops semiconductor technologies including the Bizen Wafer Process, Zpolar transistor, and ZTL/VZTL logic architecture. Focuses on alternative transistor designs and chip fabrication methods…
Targets semiconductor industry organisations, including chip manufacturers, fabs and technology companies serving EV, AI, cloud, big data, smart home and IoT markets.
Financial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
Ams High Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops and manufactures optical and semiconductor components including LEDs, laser diodes, photodetectors and sensor ICs. Supplies lighting, sensing and imaging technologies for automotive,…
Serves B2B OEMs, manufacturers and engineering teams in automotive and mobility, industrial automation, medical and health devices, mobile and wearables, lighting, security, entertainment,…
Financial Health
StableStable · 0% CAGR over 3y
Location
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsDesigns and manufactures semiconductor test hardware including probe cards and test sockets for wafer and IC testing. Also provides PCB design and fabrication, signal and power integrity simulation…
Serves B2B semiconductor companies and ATE test teams developing high-performance ICs, especially in communications, AI, network processors, IoT and automotive markets, with global partners and…
Financial Health
StableStable
Location
Thermco Systems
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures semiconductor production equipment including diffusion and LPCVD furnaces, epitaxy reactors, wet processing benches, and chemical handling and distribution systems, with…
Sells to businesses in semiconductor manufacturing and related electronics sectors, including PV and fibre optics. Targets production and R&D buyers needing furnace systems, epitaxy reactors, wet…
Financial Health
StableStable · 2% CAGR over 4y
Location
POWER PRODUCTS (INTERNATIONAL) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, manufactures, assembles and tests high‑power semiconductor assemblies and thermal management products, including heat sinks, thyristor controllers, semiconductor modules, circuit protection…
Serves B2B engineering teams, OEMs and industrial equipment manufacturers working on power electronics applications, including buyers specifying custom semiconductor assemblies, thyristor…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Silicon Supplies Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies bare semiconductor die, wafers, and discrete and integrated circuit components for hybrid circuits and multi‑chip modules. Provides custom die design, obsolete die recreation, wafer sawing…
Serves B2B electronics engineers, buyers and supply-chain teams developing hybrid circuits, ceramic MCMs and high-reliability systems, including medical, sensing, harsh-environment monitoring, data…
Financial Health
StrongStrong · Growing, Hiring · 73% CAGR over 4y
Location
MINT NEUROTECHNOLOGIES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and supplies application‑specific semiconductor integrated circuits for neural implant devices, including chips for neural signal acquisition, stimulation control, signal processing, power…
Serves medical-device companies, system integrators, research institutions, clinical groups and consortia developing active implantable medical devices, brain-computer interfaces and neural interface…
Financial Health
StableStable · -87% CAGR over 2y
Location
Trajectory
3y · 2021–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures semiconductor test hardware including probe cards, RF and cantilever probes, and test sockets for automated test equipment. Also provides PCB design and fabrication, SI/PI…
Serves semiconductor manufacturers and IC design/test teams in communications networks, AI and network processors, IoT, and automotive electronics, with an emphasis on global B2B customers.
Financial Health
HealthyHealthy · Profitable · 23% CAGR over 1y
Location
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDevelops digital signal processing (DSP) processor IP cores for silicon integrated circuits and FPGAs, including radar and optical processing cores. Also provides integrated circuit and FPGA design…
Serves semiconductor and electronics businesses developing silicon ICs and FPGAs, especially engineering teams working on DSP-heavy radar, image processing, automotive collision avoidance, security…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides processor design services and develops RISC‑V processor IP cores, architecture licenses, and design tools. Offers software and tools for customizing processor architectures, exploring…
Serves semiconductor and electronics businesses designing chips and embedded systems, including teams building IoT edge, automotive, low-power embedded and application processor solutions.
Financial Health
StableStable · Hiring · 71% CAGR over 2y
Location
ASM PRODUCT HOLDINGS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and manufactures semiconductor wafer processing equipment, including atomic layer deposition, epitaxy, PECVD and vertical furnace systems used by chip manufacturers to deposit and grow thin…
Serves B2B semiconductor manufacturers and wafer fabrication companies, including makers of advanced logic, memory and silicon carbide chips for sectors such as electronics, electric vehicles and…
Financial Health
StableStable · -8% CAGR over 4y
Location
Hillmead Technology Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsActs as a holding company for a manufacturer of optoelectronic components, developing and producing custom MicroLEDs, monolithic LEDs, LED light engines and arrays used in displays, print heads,…
Sells to OEMs and specialist manufacturers in defence, avionics, security, industrial and consumer electronics, including buyers needing custom MicroLEDs, LED light engines, print heads and UV LED…
Financial Health
StableStable · -5% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and supplies metrology and process control systems for semiconductor manufacturing, including dimensional, materials and chemical metrology tools, analytical instruments, and software for…
Serves B2B semiconductor manufacturers, wafer fabs and advanced packaging operations, targeting process engineering, manufacturing and yield teams in chip production.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
ALTER TECHNOLOGY TUV NORD UK LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides engineering and supply chain services for electronic and semiconductor components, including design support, procurement, assembly, testing, qualification, and long-term storage of wafers…
Serves B2B organisations in electronics, semiconductors, equipment and complex systems, including aerospace and space technology teams needing component engineering, testing, certification and…
Financial Health
WeakWeak · 0% CAGR over 1y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and supplies semiconductor chips and silicon intellectual property for memory interfaces, high‑speed connectivity and hardware security. Products include DDR memory interface chipsets, PCIe…
Serves B2B semiconductor and systems companies, including data center/server, AI computing, automotive, edge and IoT hardware teams, plus government and pay-TV technology buyers.
Financial Health
StableStable · -9% CAGR over 2y
Location
Force Technologies Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides solutions for obsolete and end‑of‑life semiconductors, including form‑fit‑function replacements, die extraction and repackaging, reverse engineering, electrical testing, upscreening,…
Serves B2B customers in defence, aerospace, industrial, medical and commercial sectors worldwide, particularly organisations maintaining legacy or long-life systems affected by obsolete semiconductor…
Financial Health
StableStable · 0% CAGR over 4y
Location
EDA SOLUTIONS LIMITED
Trajectory
4y · 2020–NowFinancial sub-scores
Computed from 4 filingsProvides electronic design automation (EDA) tools, support, and consulting for semiconductor development, focusing on custom IC, analog and mixed‑signal verification, physical verification, MEMS and…
Serves European semiconductor and electronics businesses, especially start-ups, SMEs and engineering teams designing custom IC, analog/RF mixed-signal, MEMS and photonic IC devices.
Financial Health
HealthyHealthy · -8% CAGR over 5y
Location
Infineon Technologies
Designs and manufactures semiconductor components and system solutions including microcontrollers, power management ICs, sensors, memory chips, RF devices, and connectivity modules used in…
Sells to B2B electronics OEMs, system designers and procurement teams in automotive, industrial, power, wireless/IoT, security, defence and space markets, alongside distributors and design engineers.
Location
Unlock all 686 leads
Showing 49 of 686 — +637 more with verified decision-maker contacts, live data, and CRM sync.
How UK semiconductor companies work and how to sell to them
What they do
Revenue usually comes from a mixture of engineering work, intellectual-property licensing, specialist component sales and production-support activity. Many UK semiconductor firms are closer to applied engineering businesses than volume manufacturers: they may charge non-recurring design fees, milestone payments for validation, licence fees for reusable designs, per-unit margins on components, or retainers for technical support. Pricing tends to follow the risk being absorbed. Prototype work is often project-priced, while qualified parts and embedded designs can lead to multi-year supply or royalty arrangements. The commercial logic is less about high-velocity sales volume and more about becoming specified into a customer's product roadmap.
Who they sell to
Customers are usually engineering-led organisations: industrial equipment makers, communications hardware teams, computing infrastructure buyers, automotive electronics groups, defence-adjacent suppliers and advanced manufacturing businesses. The first serious conversations often sit with CTOs, engineering directors, heads of hardware, product leads and quality teams, before procurement and finance join to test continuity of supply, liability and payment terms. Most deals are direct and technical, with partner channels more common where distributors, fabrication partners or specialist consultancies are involved. Sales cycles tend to run from months to years because qualification, testing, redesign risk and supply assurance matter as much as headline price.
What they buy
Most semiconductor firms tend to spend on tools and services that protect engineering time, improve traceability and support customer qualification. Relevant categories include electronic design automation, simulation, product lifecycle management, lab information systems, test and measurement equipment, quality management, supply-chain planning, specialist recruitment, technical marketing and CRM. Firms with production or prototyping activity may also buy cleanroom services, facilities support, metrology, inventory control and manufacturing execution software. Legal, accounting and advisory work often centres on intellectual property, export controls, grant funding, R&D tax claims, customer contracts and acquisition diligence rather than general corporate housekeeping alone.
Why and how to sell to them
Semiconductor buyers tend to evaluate vendors when a design win moves from prototype into production, when customer audits expose gaps in documentation, when hiring plans strain engineering capacity, or when new overseas customers bring export-control and supply-chain questions. Funding events, grant awards, senior commercial hires and laboratory expansion can also signal intent. Outbound messaging is more credible when it links to qualification, reliability, traceability, engineering throughput or supply continuity, rather than generic productivity claims. These companies are often cautious buyers: a useful pitch shows how the offer reduces technical risk, protects know-how, or helps them pass scrutiny from demanding industrial customers.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Related directories
Frequently asked questions
How many semiconductor companies are there in the UK?↓
What counts as a semiconductor company in this list?↓
Which are the largest semiconductor companies in the UK?↓
What do semiconductor companies in the UK actually do?↓
How does UK semiconductor compare internationally?↓
How is this list built and how fresh is the data?↓
How big are the typical semiconductor companies in the UK?↓
Are these mostly new or established semiconductor companies?↓
What SIC codes does this use?↓
What buying signals should I look for?↓
Push these 686 companies into your pipeline.
Find the right decision-makers, see verified company data, and export your list in seconds.