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Deep Tech Companies in the UK: 7,300+ Active Firms (2026)
Deep tech companies in the UK commercialise science-led engineering, computing, hardware, health, energy and advanced connectivity innovations.
Buying centres tend to sit with CTO, R&D, product, clinical, operations or infrastructure teams rather than a single technology budget. Sales motions vary by application: enterprise and industrial buyers often start with paid pilots or integration work, while healthcare and public-sector customers usually need evidence, procurement sign-off and assurance before wider deployment. Engagements are typically higher-touch than ordinary software subscriptions, because the offer may combine proprietary research, specialist hardware, technical infrastructure, software and regulated scientific applications. The commercial pattern therefore favours teams that can translate research risk into procurement language without losing the underlying technical edge.
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7,384 deep-tech firms are actively trading in the UK, giving the sector a sizeable but still specialist base rather than a broad software-style market. Within that cohort, 222 report turnover above £5M, so revenue scale remains concentrated among a relatively small set of firms. Newer formation is visible too: 1,508 were incorporated since 2022, pointing to continued company creation around research-led computing, engineering, health and industrial use cases. The reported employment footprint is 2,896 people, which suggests many firms remain small technical teams even where their end markets are enterprise, public sector or regulated healthcare.
Oversight is usually determined by application rather than by a single deep-tech licence. AI-related activity sits within the UK’s sector-specific policy model, while engineering biology has a more defined regulatory support structure through the Engineering Biology Regulators Network, regulatory sandboxes and the Genetic Technology (Precision Breeding) Act. Cyber security work is tied to secure-by-design expectations and the Cyber Security and Resilience Bill. Quantum, semiconductor and advanced-connectivity activity is shaped more by national strategies, public funding programmes, technical standards and export-sensitive supply chains than by a single conduct rulebook.
Commercial progress appears likely to depend on evidence quality as much as technical novelty. The cohort has a visible early-commercial weight, and scale-up scarcity tends to matter because hardware, lab work, safety cases and specialist talent all consume capital before repeatable revenue is proven. Enterprise and public-sector procurement can slow adoption, but it can also create defensible reference customers where the technology solves a costly operational problem. Consolidation may come through larger industrial, healthcare and infrastructure buyers absorbing specialist capability, rather than through pure software-style land grabs.
7,384
Active firms
2026
222
£5M+ turnover
Companies above £5M
1,508
Recent incorporations
Incorporated since 2022
Key facts
About 3% of the trading cohort reports turnover above £5M (222 of 7,384 firms) — the rest sits below that revenue band.
20% of the cohort was incorporated since 2022 (1,508 firms), so a sizeable share is in its first few filing cycles.
Deep tech is not a single regulated industry in the UK; oversight usually follows the technology and use case, from AI governance to engineering biology, cyber security, quantum and semiconductors.
UK government policy names advanced connectivity, AI, cyber security, engineering biology, quantum technologies and semiconductors as priority frontier technologies.
UK deep tech venture investment has slowed from its 2021 peak but still attracts over £5 billion a year in venture capital.
Domestic investor participation falls from 57% at seed stage to under 10% at late stage, leaving later rounds more dependent on overseas capital.
The UK ranks first in Europe and third globally for deep-tech venture capital raised, behind the USA and China.
Top UK deep tech companies
Avs Added Value Solutions UK, Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and supplies advanced technology and engineering systems for scientific research and space applications, including particle accelerator components, fusion reactor systems, satellite…
Serves scientific research institutions, space mission organisations, fusion reactor programmes, particle accelerator labs and scientists in imaging, cancer treatment, fundamental physics and…
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops photonic quantum computing technology including single‑photon light sources, modular photonic hardware, rack‑mounted quantum computer systems and control software. Provides quantum computing…
Serves government, academic and industry partners, including organisations in aerospace, cybersecurity, defence, energy, pharmaceuticals and AI seeking scalable quantum computing capabilities.
Financial Health
StrongStrong · Growing, Hiring · 59% CAGR over 4y
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops quantum computing hardware and software, including annealing and gate‑model systems. Provides cloud-based access to quantum processors, development tools, and professional services for…
Serves enterprise technology and business leaders, developers and quantum researchers in manufacturing, logistics, public sector, defence/aerospace and advanced computing organisations.
Financial Health
StrongStrong · Hiring · 91% CAGR over 3y
Location
AQUARK TECHNOLOGIES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and manufactures miniaturised cold‑atom quantum hardware used for precision sensing, timing and spectroscopy. Designs compact systems integrating vacuum, photonics and microfabrication…
Serves B2B and public-sector organisations operating critical infrastructure, including telecoms networks, data centres, energy grids, navigation/security systems, financial services, healthcare…
Financial Health
StrongStrong · Growing, Hiring · 80% CAGR over 2y
Location
Exail Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops navigation, robotics and autonomous systems for defense, maritime and aerospace applications, including inertial navigation systems, mine countermeasure equipment, unmanned surface and…
Serves public-sector defence organisations, including navies and armies, plus maritime, offshore energy, oil and gas, construction, seabed survey, ocean science and aerospace manufacturers and…
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 2y
Location
FIRST LIGHT FUSION LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDevelops inertial fusion energy technology, focusing on the design and testing of fuel targets that enable fusion reactions. Uses simulation, data science and experimental platforms to support fusion…
Serves fusion energy developers, public-sector research bodies and industrial partners in the energy sector, with near-term commercial markets in materials science and space applications.
Financial Health
WeakWeak · -1% CAGR over 1y
Location
CREATEC LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsConducts research and development of imaging, robotics, radiation measurement and artificial intelligence technologies. Designs and commercialises systems and software for applications in sectors…
Serves global B2B and research clients in nuclear, defence and transport, including global brands, technology innovators, businesses and universities with complex technical challenges.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
HIDEN ANALYTICAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures analytical instrumentation for gas and vapour analysis, including mass spectrometry systems, residual gas analysers, and process monitoring tools used in research, catalysis,…
Serves industrial R&D, process engineering and academic research teams in sectors including semiconductor, chemical, pharmaceutical, automotive, aerospace, nuclear, energy, environmental science,…
Financial Health
StableStable · -67% CAGR over 4y
Location
Breathe Battery Technologies Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops physics‑based software tools for battery engineering, including cell design, simulation and adaptive charging control. Provides modelling, parameterisation and validation services to help…
Serves enterprise engineering teams and battery engineers at global brands developing battery-powered products and battery systems, from new programme concept through product launch.
Financial Health
HealthyHealthy · Hiring · 136% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops spatial perception software and algorithms for localisation, mapping and sensor fusion. Provides platforms and solutions enabling robotics, autonomous vehicles, drones and digital twin…
Sells to businesses developing autonomous machines and digital-twin systems, including robotics and drone OEMs, automotive AD/ADAS teams, mapping firms, industrial machinery operators, smart-city/IoT…
Financial Health
StrongStrong · Hiring · 10% CAGR over 2y
Location
Portal Biotech Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops nanopore-based analytical technology and bench‑top instruments for single‑molecule protein sequencing and proteomic analysis. Provides laboratory services to characterise proteins, peptides…
Serves academic researchers, biopharmaceutical and biotechnology companies, industrial labs, service centres and core facilities, from small labs to high-volume environments.
Financial Health
StableStable · Hiring · 66% CAGR over 2y
Location
Polygeist Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops AI‑based decision intelligence software for defence, law enforcement and healthcare. Products include electronic warfare and threat‑detection tools, multimedia analysis and attribution…
Serves public-sector and security customers, including law enforcement investigators, intelligence professionals, defence organisations such as MOD and NATO allies, and NHS healthcare teams.
Financial Health
StrongStrong · Hiring · 13% CAGR over 2y
Location
Carbon Clean Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops carbon capture technology for industrial point sources, including modular capture systems and chemical solvents. Designs, builds and operates equipment that captures CO2 emissions from heavy…
Serves B2B industrial companies in hard-to-abate sectors, especially operators of space-constrained heavy industrial sites seeking to meet net zero or emissions reduction targets.
Financial Health
StableStable · 0% CAGR over 3y
Location
STAR-Dundee Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops spacecraft onboard data‑handling and networking technology, including SpaceWire and SpaceFibre equipment, chip designs and IP cores. Supplies test and development hardware and software used…
Serves B2B and public-sector customers including space agencies, aerospace companies, satellite manufacturers and engineering teams developing spacecraft on-board data-handling systems.
Financial Health
HealthyHealthy · -67% CAGR over 4y
Location
MERCURY COMPUTER SYSTEMS LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures electronics and computing systems for aerospace and defence applications, including RF and microwave components, embedded processing modules, data storage and management…
Serves aerospace and defence organisations, including defence primes, commercial aviation and space programme teams, and government mission buyers across land, sea, air, space and cyber domains.
Financial Health
HealthyHealthy · Hiring · 18% CAGR over 2y
Location
PhysicsX Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops artificial intelligence software for engineering and industrial design. Provides a platform that combines machine learning with physics‑based simulation to support product design,…
Serves enterprise engineering and R&D teams in critical industrial sectors, including semiconductors, aerospace and defense, materials, energy and renewables, and automotive.
Financial Health
StrongStrong · Hiring · 135% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops quantum computing algorithms and software for scientific simulation and optimisation. Works with quantum hardware platforms to model materials, chemical systems and complex networks, and…
Serves B2B commercial partners, including R&D teams in materials discovery, advanced biochemistry/pharma, logistics and resilient network optimisation, plus quantum hardware companies seeking…
Financial Health
StrongStrong · Growing, Hiring · 40% CAGR over 4y
Location
Supercritical Solutions Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops hydrogen production technology aimed at zero‑emission energy applications. Designs and commercialises electrolysis systems for generating green hydrogen for industrial processes such as…
Serves industrial B2B customers in hard-to-decarbonise sectors, including whisky and drinks production, ammonia/fertiliser manufacturing, mining and natural resources companies seeking green hydrogen…
Financial Health
StrongStrong · Hiring · 50% CAGR over 4y
Location
NOVANTA TECHNOLOGIES UK LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and manufactures components and subsystems for medical and industrial equipment, including machine vision cameras, laser sources and beam delivery systems, precision motion motors and…
Serves B2B OEMs and system builders in medical, life sciences, surgery, robotics, automation and advanced manufacturing markets worldwide, especially teams building mission-critical industrial and…
Financial Health
HealthyHealthy · Profitable, Hiring · 51% CAGR over 2y
Location
ZETTLEX (UK) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures inductive position sensors and encoders for motion control systems. Products include rotary and linear position sensors used in robotics, aerospace, medical devices,…
Sells B2B to OEMs and engineering teams in medical devices, aerospace, industrial automation, robotics, marine, oil and gas, satcom, automotive and specialist vehicles that need position sensing for…
Financial Health
StrongStrong · Profitable, Growing · 4% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops industrial software platforms including SCADA, data historian, communication and MES systems used to monitor and control equipment, collect and analyse operational data, manage remote…
Serves B2B and public-sector operators in industry, smart buildings, transport, energy, water, defence, nuclear and research, especially teams managing technical installations, critical environments…
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDevelops real‑time location systems and software platforms that track assets, tools, vehicles, and work‑in‑progress in industrial environments. Provides sensors, tags, and analytics used in…
Serves OEMs, Tier 1 manufacturers and large industrial operators in aerospace, defence, automotive, commercial vehicles, transit management, logistics, pharma, healthcare and other complex…
Financial Health
StableStable · 0% CAGR over 1y
Location
Innovative Physics Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides research consultancy in applied physics and mathematics, developing sensing technologies and analytical methods. Designs and supplies radiation detection instruments such as gamma imaging…
Sells to businesses, regulators and research organisations needing applied physics consultancy, scientific software and instrumentation, particularly in the nuclear, medical, homeland security,…
Financial Health
StableStable · Hiring · 11% CAGR over 4y
Location
UTTERBERRY LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops wireless sensor systems for environmental and structural monitoring. Produces miniature low‑power sensors that form self‑calibrating mesh networks, with base stations and an online platform…
Serves public-sector and B2B organisations developing smart city and infrastructure projects, including construction, tunnelling, healthcare, events and security operators.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
MUNRO'S ELECTRON BEAM SOFTWARE LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops software for simulation, design and optimisation of charged particle optical systems, including electron optical columns and sources. Also provides consultancy, custom design services, and…
Serves manufacturers of electron microscopes and charged particle optical equipment, particularly semiconductor industry suppliers, plus high-technology organisations needing specialist design…
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
Smart Manufacturing Technology Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops computer-aided engineering (CAE) software used to design, analyse and optimise transmissions, electric machines and electrified powertrains. Also provides engineering consultancy, technical…
Serves engineering teams and manufacturers developing transmissions, electric machines and electrified powertrains, including automotive and mobility companies needing CAE software and consultancy.
Financial Health
HealthyHealthy · 1% CAGR over 4y
Location
REALIS SIMULATION LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDevelops engineering simulation software and analysis tools for modelling propulsion and powertrain systems. Products support design, calibration and optimisation of combustion, hybrid and electric…
Sells B2B to transport manufacturers, OEMs, Tier 1 suppliers and design engineering teams in aerospace, commercial vehicles, maritime, motorcycle, motorsport, off-highway and passenger rail sectors.
Financial Health
DistressedDistressed · -20% CAGR over 3y
Location
ADVANCED MATERIAL DEVELOPMENT LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops nanomaterial-based technologies for industrial and commercial applications, including non‑metallic RFID systems, electromagnetic interference shielding, time‑temperature indicators, thermal…
Serves B2B commercial partners in life sciences, energy, industrial, smart packaging and defence sectors, including organisations seeking advanced materials applications for RFID, diagnostics, EMI…
Financial Health
DistressedDistressed · -66% CAGR over 4y
Location
Cambridge Pixel Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops radar signal processing software, tracking and display applications, and radar interface hardware. Provides SDKs, simulation tools and data distribution systems that integrate radar, camera…
Sells to B2B and defence/public-sector buyers building radar and sensor systems, including developers, system integrators and operators in air defence, ATC, border security, maritime, naval and…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 2y
Location
Hexxcell Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops software for monitoring and predictive maintenance of industrial heat exchangers. Provides a hybrid‑AI digital twin platform that analyses plant data and physics models to assess fouling,…
Serves B2B industrial operators with heat exchanger networks, especially oil refineries and process plants. Targets plant personnel, maintenance engineers, energy efficiency analysts and heat…
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
SIRIUS CONSTELLATION LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops maritime surveillance technology and data analytics platforms that combine AI with coastal sensors, drones and vessel‑based systems to monitor maritime activity, generate real-time alerts,…
Serves government and public-sector maritime authorities, including coastguards, border/security agencies, search and rescue organisations and coastwatch bodies responsible for coastal waters, EEZs…
Financial Health
HealthyHealthy · Hiring · 25% CAGR over 4y
Location
MATERIALS NEXUS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops AI-driven materials science technology to discover and design new materials. Uses computational models and data to identify material compositions and properties for applications such as…
Serves B2B customers in critical industries that depend on advanced materials, including energy generation, next-generation transport and infrastructure.
Financial Health
StrongStrong · Hiring · 78% CAGR over 3y
Location
INFICON LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDesigns and manufactures instrumentation, sensors and software for industrial measurement and process control, including gas analysis systems, leak detectors, vacuum gauges and manufacturing…
Sells to businesses and institutional users in semiconductor, automotive, battery, HVAC/R, industrial manufacturing, energy, packaging, pharma and medical, research and academia, security, and space…
Financial Health
WeakWeak · 0% CAGR over 1y
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
Loop Technology Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops industrial automation and robotics systems for advanced manufacturing, including robotic machining, automated composite layup and inspection, laser cleaning, machine vision and…
Serves B2B advanced manufacturing organisations, especially aerospace, defence, renewable energy and composites manufacturers, including engineering and production teams needing industrial robotics,…
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 5y
Location
AP SENSING UK LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and supplies distributed fibre optic sensing systems for monitoring infrastructure and industrial assets. Products include distributed acoustic, temperature and strain sensing equipment,…
Serves B2B and public-sector infrastructure operators in energy, utilities, transport, oil and gas, LNG, rail, maritime, borders, and critical facilities that need monitoring of high-value or…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
Location
EVOLVE DYNAMICS LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures uncrewed aerial systems (UAS) for intelligence, surveillance and reconnaissance. Supplies drone platforms, imaging payloads, tethered systems, communications and control…
Serves defence organisations, security agencies, critical infrastructure operators and inspection teams in public-sector and commercial markets requiring rugged uncrewed aerial systems.
Financial Health
HealthyHealthy · Hiring · 53% CAGR over 2y
Location
FULL MATRIX LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and manufactures ultrasonic sensing systems and EMAT transducers for remote inspection and condition monitoring of infrastructure. Provides simulation and modelling, laser vibrometry…
Serves B2B customers in fusion, rail and critical infrastructure sectors, including engineering, R&D and asset integrity teams needing remote inspection and condition monitoring in extreme or…
Financial Health
StrongStrong
Location
CSignum Ltd
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsDevelops wireless communication systems that use low‑frequency electromagnetic fields to transmit data through water, ice, soil and rock. Provides monitoring solutions for water quality, ship hulls,…
Serves B2B and public-sector organisations operating underwater or underground monitoring assets, including water utilities, aquaculture operators, hydropower sites, maritime/shipping teams, critical…
Financial Health
StableStable · -22% CAGR over 3y
Location
RAPITA SYSTEMS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops software verification tools and provides engineering services for embedded systems in aerospace, defence and automotive sectors. Products analyse code coverage, execution timing, multicore…
Serves engineering and certification teams at aerospace, defense, space and automotive organisations developing safety-critical embedded systems under DO-178C, A(M)C 20-193 and ISO 26262.
Financial Health
WeakWeak · 2% CAGR over 4y
Location
MULTIPLE ACCESS COMMUNICATIONS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops software-defined radio and advanced signal processing technologies for wireless communications, electronic sensing and spectrum monitoring. Provides research, design and engineering services…
Serves security, defence and space organisations, including product development teams needing wireless communications, electronic sensing and spectrum survey expertise, from requirements through…
Financial Health
StableStable · -78% CAGR over 3y
Location
Sensor Coating Systems Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops luminescent sensor coatings and thermal history technology used to measure and map temperatures on engineering components. Provides thermal profiling, data analysis and testing services for…
Serves B2B engineering customers in aerospace, power generation, automotive, industrial processes and oil & gas, particularly teams evaluating mission-critical components in demanding environments.
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 5y
Location
SEICHE WATER TECHNOLOGY GROUP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures underwater acoustic monitoring systems, sensors and buoys, including passive acoustic monitoring equipment and unmanned surface vessels. Provides noise measurement, modelling…
Serves marine, offshore, environmental and utilities organisations worldwide, including project developers, operators and consultants needing underwater monitoring and regulatory compliance support.
Financial Health
StableStable · -85% CAGR over 4y
Location
SCANTRON INDUSTRIAL PRODUCTS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops and distributes laser-based non-contact measurement systems, sensors and metrology software used to measure thickness, diameter, distance, speed and surface profile in industrial processes…
Serves B2B manufacturers and quality-control teams in wire, aerospace, board/panel, plastics, metals, nuclear and defence sectors, plus dental laboratories.
Financial Health
HealthyHealthy · Growing, Hiring · 4% CAGR over 3y
Location
DYCOTEC MATERIALS LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops and manufactures advanced materials for printed electronics, including conductive inks, thick‑film pastes, adhesives and thermal interface materials. Provides custom formulation,…
Serves B2B manufacturers and product developers in printed electronics, semiconductors, solar, automotive, aerospace and defence, wearables, displays, batteries, agriculture, medical devices and…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 3y
Location
QUAISR LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops engineering software that integrates modelling and simulation tools, enterprise data sources, and optimisation algorithms. The platform enables teams to build automated workflows, run…
Serves B2B engineering teams and industrial enterprises in aerospace, chemicals, consumer goods, defence, energy, mining and pharmaceuticals, including organisations with enterprise ERP, PLM and…
Financial Health
StableStable · -39% CAGR over 4y
Location
HYDREGEN LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops biocatalyst technologies for chemical manufacturing, enabling hydrogenation and redox reactions using biological catalysts instead of heavy metals. Provides slot‑in systems designed to…
Serves B2B chemical manufacturers and process development teams using existing hydrogenation or redox biocatalysis infrastructure, from early-stage hit identification through scale-up, with relevance…
Financial Health
StableStable · -44% CAGR over 4y
Location
Sentinel Photonics Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops laser detection, warning and protection systems for defence and security applications. Products include wearable and vehicle‑mounted laser threat detectors, optics detection devices, and…
Serves defence and security organisations, including military land, air and naval forces, law enforcement agencies, aviation and maritime operators, VIP/event security teams and sports stadium…
Financial Health
StableStable · Hiring · 113% CAGR over 4y
Location
OCF Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, implements and supports high‑performance computing (HPC), data storage and cloud infrastructure systems. Provides AI and deep learning platforms, consultancy, project management and managed…
Sells to organisations needing high-performance computing infrastructure, mainly B2B and research-sector buyers in higher education, life sciences, healthcare, engineering and manufacturing,…
Financial Health
WeakWeak · -89% CAGR over 2y
Location
CFMS SERVICES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides digital engineering consultancy specialising in modelling and simulation. Offers model‑based engineering, advanced simulation, robotics and autonomous systems development, and engineering…
Serves B2B industrial organisations, engineering teams, academia and research bodies, from businesses of all sizes to aerospace, manufacturing, robotics and transport programme partners.
Financial Health
HealthyHealthy · -3% CAGR over 2y
Location
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How UK deep tech companies work and how to sell to them
What they do
Revenue is usually earned through a mix of paid research and development programmes, pilots, licence fees, usage-based platform access, specialist hardware sales, maintenance, and integration services. Many deep-tech firms do not look like pure software vendors: product revenue may sit alongside grant-funded work, customer-funded validation, lab or compute capacity, and technical consultancy. Early contracts often pay for feasibility, test environments or prototype deployment, while later accounts move towards annual licences, supply agreements, service-level contracts or embedded technology fees. Pricing tends to reflect technical risk, assurance work and deployment effort rather than simple seat counts.
Who they sell to
Most sell to enterprise, industrial, healthcare, infrastructure or public-sector buyers where the purchaser needs a technical, operational or scientific reason to change supplier. Decisions are commonly shared between CTO, R&D, product, clinical, operations, procurement, security and finance teams, rather than owned by one budget holder. Typical deal cycles are measured in months rather than weeks, especially where safety, assurance, integration or public procurement is involved. Direct sales is common for complex deployments, while RFPs, partner channels and paid trials matter where the buyer needs proof before committing to wider rollout.
What they buy
Most deep-tech firms tend to spend on engineering tooling, cloud and compute capacity, model evaluation, lab and test equipment, security, identity, compliance management, CRM, grant and finance operations, IP and commercial legal advice, specialist recruitment, technical marketing, public-sector bid support, manufacturing partners, and quality management systems. Hardware-led teams often add prototyping, component sourcing, certification, facilities and field-service systems; software-led teams lean more towards developer tooling, observability, data pipelines and customer success platforms. Anything that reduces evidence-gathering effort, deployment friction or audit burden is easier to frame than a generic productivity pitch.
Why and how to sell to them
Deep-tech buyers tend to evaluate suppliers when a research prototype becomes customer-facing, a pilot needs to become repeatable, a regulated use case requires evidence, or a new enterprise account creates security and procurement demands. Funding, grant awards, hiring in product, compliance or operations, and movement from lab validation to field deployment are useful intent signals. Outbound usually works better when it is anchored to a specific bottleneck: shortening validation cycles, reducing engineering rework, preparing for customer assurance, protecting IP, or turning bespoke delivery into repeatable implementation. Generic scale-up language tends to land badly with technical founders.
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.
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