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Deep Tech Companies in Leeds: 100+ Active Firms (2026)
Deep tech companies in Leeds turn science and engineering research into AI, hardware, cyber, energy and computing products across the city region.
Buying centres tend to sit with CTOs, heads of product, engineering leaders, security teams and operational buyers in regulated or industrial settings. Leeds-area suppliers usually sell business-to-business, with some public-sector and healthcare demand where procurement evidence matters as much as technical promise. Engagements are rarely casual software purchases: they more often start as technical-services work, pilots, feasibility studies or integration-heavy projects before becoming proprietary platforms, specialist systems or repeatable industrial applications. The common thread is a defensible technical asset, but the commercial motion tends to resemble lower mid-market enterprise selling rather than high-volume self-serve software.
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Leeds has 139 actively trading deep tech companies, giving the city a local cohort that is small enough for firm-level research yet broad enough to span several technical niches. Reported headcount totals 513 people across 94 firms, so the visible workforce is weighted towards smaller technical teams rather than large multi-site employers. 4 firms report turnover above £5M, while 28 were incorporated since 2022. That mix points to a market where research-led product development and technical services sit close together.
Deep tech in Leeds is governed by activity-specific rules, not a shared industry licence. AI activity sits within a sector-specific policy model; engineering biology is shaped by the Engineering Biology Regulators Network, sandboxes and the Genetic Technology (Precision Breeding) Act; and cyber products sit close to secure-by-design policy and the Cyber Security and Resilience Bill. Quantum, semiconductor, energy and healthcare-adjacent work tends to meet standards, grant conditions, safety assessment or domain regulation at the point of deployment, so compliance often becomes part of product design rather than a late sales hurdle.
Commercialisation appears likely to remain uneven. The cohort has the shape of a technical SME market: many businesses can sell specialist expertise, pilots and bespoke systems, while fewer appear to have reached repeatable product scale. Buyers in healthcare, infrastructure, security and industrial settings tend to ask for evidence, assurance and integration support, which can lengthen sales cycles but also favours firms with defensible engineering depth. Consolidation may come through partnerships, licensing and acquisitions by larger industrial or software groups rather than a simple shift to high-volume software selling.
139
Active firms
2026
4
Above £5M turnover
Leeds cohort
28
New since 2022
Recent incorporations
Key facts
About 2% of the trading cohort reports turnover above £5M (4 of 139 firms) — the rest sits below that revenue band.
20% of the cohort was incorporated since 2022 (28 firms), so a sizeable share is in its first few filing cycles.
UK policy treats advanced connectivity, AI, cyber security, engineering biology, quantum technologies and semiconductors as priority frontier technologies.
AI oversight is sector-specific, while cyber activity is linked to the Cyber Security and Resilience Bill and secure-by-design policy.
Engineering biology uses the Engineering Biology Regulators Network, regulatory sandboxes and the Genetic Technology (Precision Breeding) Act as part of its UK oversight model.
UK deep tech venture investment has slowed from its 2021 peak but still consistently attracts over £5 billion in annual venture capital.
Domestic investor participation falls from 57% at seed stage to under 10% at late stage, leaving later rounds more reliant on overseas capital.
Top Leeds deep tech companies
Optalysys LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops computing hardware and software that accelerate fully homomorphic encryption using silicon photonics. Provides products such as the LightLocker Node for confidential blockchain…
Serves B2B blockchain and Web3 organisations, including teams building private smart contracts, confidential DeFi, tokenised real-world asset platforms and secure applications requiring scalable…
Financial Health
StrongStrong · Hiring · 63% CAGR over 2y
Location
Altiar Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops engineering and data analytics software platforms for simulation, high‑performance computing, and artificial intelligence. Products support modelling, product design, digital twin…
Sells to startups, mid-sized firms and large enterprises in sectors including aerospace, automotive, AEC, defence, electronics, energy, finance, healthcare, manufacturing and technology.
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
Cable Coatings Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDevelops functional coatings for overhead power lines that increase current‑carrying capacity and reduce losses, noise, corrosion and ice buildup. Also designs robotic systems that apply these…
Serves electric utilities, transmission and distribution grid operators, and cable/conductor manufacturers involved in large-scale overhead power network capacity and resilience projects.
Financial Health
StrongStrong · Hiring · 35% CAGR over 2y
Location
Platform Kinetics Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures custom scientific instruments, sensors and analytical systems. Provides product development from feasibility and prototyping to production, using electronics, imaging,…
Serves B2B customers, entrepreneurs and universities developing instrumentation, sensors and analytical systems for life sciences, pharma, agri-tech, food and feed diagnostics, and environmental…
Financial Health
StableStable · 0% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops smart surface technology using optical sensing to enable touch, tactile and gesture-based controls. Designs integrated chips and sensing interfaces for use in automotive systems, consumer…
Targets B2B OEMs and product manufacturers in automotive, home appliances, consumer electronics and industrial equipment that integrate tactile or gesture-driven user interfaces into devices.
Financial Health
StrongStrong · Hiring · 7% CAGR over 4y
Location
ChemAI Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops artificial intelligence tools for chemical research and manufacturing, integrating proprietary data with machine learning to support synthesis route prediction, reaction optimisation, and…
Serves selected global enterprise customers in chemistry-led industries, particularly organisations with proprietary chemical data, R&D teams, and development or manufacturing operations.
Financial Health
HealthyHealthy · -11% CAGR over 2y
Location
SDMT LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDesigns and supplies partial discharge monitoring and diagnostic equipment used to detect insulation defects in high‑voltage electrical assets. Products include portable spot testers and permanent…
Sells to B2B operators and maintenance teams managing high-voltage energy infrastructure, including utilities and asset owners responsible for GIS, switchgear, transformers and cables.
Financial Health
HealthyHealthy · -68% CAGR over 4y
Location
ARTERIUS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops polymer-based technologies for vascular medical devices, including drug‑delivery coating systems for angioplasty balloons and bioresorbable stent scaffolds designed to treat peripheral…
Serves global healthcare innovators developing vascular intervention products, including medical device companies, clinical partners and academic researchers focused on peripheral arterial disease…
Financial Health
DistressedDistressed · -91% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides satellite radar (InSAR) data analysis and monitoring software to detect and track ground and structural movement. Offers web-based tools, alerts, and a marketplace for purchasing deformation…
Serves B2B and public-sector buyers in transport infrastructure, geotechnical engineering, property insurance, water utilities, mining and energy, including asset managers, engineers and risk teams.
Financial Health
HealthyHealthy · Hiring · 28% CAGR over 4y
Location
Trichomick Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Control Station Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops software and analytics tools for industrial process control, including PID tuning and loop performance monitoring. Provides PlantESP and LOOP‑PRO platforms, process analytics, system health…
Serves B2B industrial manufacturers and operators in chemicals, food and beverage, oil and gas, pulp and paper, power and utilities, basic materials, plus academic process-control programs.
Financial Health
StrongStrong · Growing · 4% CAGR over 2y
Location
Leaning Technologies Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops WebAssembly-based runtime infrastructure and developer tools that enable applications and programming languages such as Node.js, Python, C++, Java and Go to run directly in web browsers,…
Serves enterprise engineering, product and developer-platform teams at global organisations building web-based software, AI experiences and developer tools, alongside software developers using its…
Financial Health
HealthyHealthy · Hiring · 58% CAGR over 2y
Location
BINDETHICS LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops and researches bio‑based adhesives intended to replace fossil‑fuel‑derived glues used in engineered wood panels. Focuses on non‑toxic, recyclable adhesive formulations designed to support…
Serves B2B manufacturers of engineered wood panels and wood-based products seeking bio-based, non-toxic adhesive alternatives for recyclable, circular-economy production.
Financial Health
StableStable · 80% CAGR over 2y
Location
COVVI LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, manufactures and distributes multi‑articulated myoelectric prosthetic hands for upper‑limb amputees and people with congenital limb differences, including bionic hand systems with multiple…
Serves a mix of patients with congenital or acquired upper-limb differences, prosthetists and clinicians, healthcare providers, distributors, and funding bodies such as the NHS.
Financial Health
StableStable · Hiring · 36% CAGR over 2y
Location
Key Engineering Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and develops bespoke engineering and software systems using robotics, IoT and machine learning. Provides data acquisition, automation and analytics platforms, and offers technical consultancy…
Serves B2B clients, including multinationals and SMEs in science, technology, manufacturing, healthtech and greentech, targeting innovators and engineering teams developing data-driven, automated or…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
Optimum Imaging Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · 0% CAGR over 2y
Location
ULMCG LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StableStable
Location
Dragonfly Lancs Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
FREEUA LIMITED
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Microneedle Solutions Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong
Location
MIMETRIK SOLUTIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops digital dentistry technologies and medical devices, including 3D dental scanning systems such as the Cubit360 scanner. Conducts research and product development aimed at digitising dental…
Serves dental professionals and organisations adopting digital dentistry, particularly dentists and dental technicians in clinics and labs, with patients as end beneficiaries in the dental care…
Financial Health
StrongStrong · Growing, Hiring · 24% CAGR over 4y
Location
PATHTRACK LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and manufactures ultra‑lightweight GPS tracking tags for wildlife research. Products include miniature GPS devices with sensors such as accelerometers, depth and pressure, with UHF or GSM…
Serves biologists, ecologists, conservation researchers and wildlife organisations worldwide studying animal movement, particularly birds, bats and other small species requiring lightweight tracking…
Financial Health
StrongStrong · Hiring · 12% CAGR over 5y
Location
Simanalytica Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops decision intelligence software that integrates datasets, analytics, simulations and digital twins to support place‑based planning and infrastructure decisions. Platform connects and…
Serves local authorities, public-sector bodies and infrastructure or regeneration partners making place-based decisions on climate adaptation, net zero mobility, air quality, transport, carbon and…
Financial Health
StableStable · -5% CAGR over 4y
Location
SEISMIC IMAGE PROCESSING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides seismic data processing and depth imaging services for subsurface exploration, including wave‑equation and reverse time migration, velocity modelling, and elastic inversion. Produces angle…
Serves oil and gas exploration and production companies, particularly geoscience, reservoir and prospect evaluation teams using seismic data for subsurface prospect and reservoir decisions.
Financial Health
WeakWeak · -5% CAGR over 4y
Location
Guided Ultrasonics Ltd
Develops and supplies guided wave ultrasonic testing systems for pipeline inspection and monitoring. Provides equipment such as Wavemaker scanners and gPIMS monitoring systems, along with training,…
Serves B2B pipeline asset owners and inspection teams, including refineries, offshore operators, midstream pipeline companies and NDT professionals responsible for pipework integrity.
Location
CSS ISOTEK LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong · Growing, Hiring · 25% CAGR over 2y
Location
AUXETEC LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and commercialises auxetic polymer materials based on liquid crystal elastomers. Works with partners to integrate polymers that thicken when stretched, improving impact resistance,…
Serves B2B partners and manufacturers developing advanced materials and products for demanding applications, including glass and screen protection, where durability, impact resistance and longer…
Financial Health
StableStable · Hiring · 46% CAGR over 4y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and supplies ophthalmic diagnostic equipment including retinal imaging systems, fundus cameras, perimeters, microperimeters, and rebound tonometers, along with digital clinical tools used…
Serves ophthalmologists, optometrists, eye clinics and retinal screening providers involved in glaucoma, diabetic retinopathy and AMD care; also addresses patients using home tonometry.
Financial Health
StrongStrong · Growing, Hiring · 43% CAGR over 5y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -14% CAGR over 3y
Location
Eigensense Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -24% CAGR over 4y
Location
SUPERCOMPUTER LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides high‑performance computing systems and related infrastructure, including data storage, cloud platforms and AI/deep learning environments. Offers consultancy, system design, integration,…
Serves organisations with advanced computing needs, including higher education and research institutions, healthcare and life sciences teams, and engineering and manufacturing businesses.
Financial Health
StableStable
Location
CAVERO QUANTUM LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops quantum‑safe cybersecurity technology including key exchange protocols and endpoint verification tools for passwordless authentication and secure messaging. Provides cryptographic solutions…
Sells to businesses, large enterprises and government security services seeking quantum-safe security products, particularly in defence and national security, financial services, fraud and identity…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 3y
Location
EQ Technologic
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops enterprise data integration and analytics software. Provides the eQube platform for connecting applications and data sources, enabling system interoperability, digital thread management,…
Serves large B2B enterprises, especially manufacturing and engineering organisations, targeting IT, data, PLM and digital transformation teams responsible for enterprise systems, analytics and…
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
Nonwovens Innovation & Research Institute Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides research and development services for fibres, polymers and nonwoven materials. Offers product design, prototyping, testing and analysis, plus market application development and supply chain…
Serves B2B, government and NGO clients across the nonwovens value chain, including raw material producers, roll goods manufacturers, converters, equipment makers, brands and start-ups in hygiene,…
Financial Health
DistressedDistressed · -10% CAGR over 3y
Location
STARBONS LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -68% CAGR over 4y
Location
WOKATI TECHNOLOGIES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
CHYMERA MACHINA LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
Location
ALPHA MOISTURE SYSTEMS LTD
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
WeakWeak · 4% CAGR over 1y
Location
Orange Cloud Software Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
SEVEN OCEANS TECHNOLOGIES GROUP LIMITED
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Periphery Security Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops embedded AI-based cybersecurity software for IoT and cyber‑physical devices. Provides threat detection, monitoring and response tools, including device security assessments, real-time…
Sells to B2B IoT and cyber-physical device manufacturers serving critical infrastructure and defence, including drones and unmanned systems, autonomous vehicles, semiconductor firms, OEMs and…
Financial Health
HealthyHealthy · Hiring · 29% CAGR over 2y
Location
AMWS SERVICES LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong
Location
ECOZE LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
ADVANCED MACHINE SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Genoframe Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
NATURA COLOUR AND POLYMER RESEARCH LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · 0% CAGR over 2y
Location
ADSILICO LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak
Location
Quality And Professional Limited
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops software for television channel playout and broadcast workflow management. Provides cloud-based and on‑premise systems for content preparation, automation control and video processing…
Sells to broadcasters, TV channel operators and media organisations needing cloud or facility-based playout and content workflow infrastructure.
Financial Health
StableStable · Hiring · 10% CAGR over 5y
Location
AQUALITHIUM LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
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How Leeds deep tech companies work and how to sell to them
What they do
Leeds deep tech suppliers typically make money by converting specialised research or engineering into paid problem-solving for business customers. Revenue often starts with fixed-fee feasibility work, prototypes, integration projects or technical-services retainers, then shifts into annual licences, deployment fees, maintenance, support and, in some cases, usage-based access to a proprietary platform. Hardware-adjacent firms may add equipment, firmware, testing and field support, while software-heavy firms tend to package models, security tooling, industrial analytics or automation layers. Deal values are usually higher than routine software seat purchases because the buyer is paying for technical risk reduction, not just access to an application.
Who they sell to
Typical customers are mid-market and enterprise organisations with regulated operations, complex assets or internal technical teams: healthcare providers, manufacturers, infrastructure operators, public-sector bodies and engineering-led corporates. Buying groups tend to include CTOs, heads of product, engineering leaders, security stakeholders, clinical or operational owners, procurement and finance. Sales are usually direct, although larger deployments may involve channel partners, systems integrators or framework procurement. The cycle tends to be evidence-led, with discovery, proof-of-concept, security review, integration planning and budget approval before a full order. Sellers should expect several stakeholders and a preference for referenceable outcomes over generic technical claims.
What they buy
Most Leeds deep tech firms tend to spend on the tools and services that help small technical teams look credible to larger buyers. Common categories include cloud and compute infrastructure, data engineering, observability, cyber security, identity management, version control, testing, documentation and analytics. Commercial functions often need CRM, proposal management, pricing support, billing, customer success tooling and technical marketing that explains complex products without overstating them. Services demand can include patent counsel, grant support, specialist accounting, compliance advice, security testing, recruitment for engineers and product leaders, and outsourced finance or people operations once project revenue starts to repeat.
Why and how to sell to them
Deep tech buyers tend to evaluate vendors when technical promise has to become something a cautious customer can deploy. Triggers include a pilot moving into production, a new regulated-sector customer, a tender requiring evidence, a security review, a senior technical or commercial hire, or the shift from consultancy-style delivery to repeatable product revenue. Pain points are usually practical: cash tied up in long projects, scarce engineering time, integration risk, audit evidence, documentation and procurement friction. Outbound works better when it names one of those constraints and offers a low-burden next step, rather than asking founders or CTOs to sit through a broad platform pitch.
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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