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Deep Tech Companies in Brighton: 80+ Active Firms (2026)
Deep tech companies develop science-led engineering, computing and hardware innovations for commercial use, with this cohort based around Brighton.
Buying centres tend to sit close to technical risk: CTO and R&D teams, engineering operations, information-security groups, clinical technology teams and industrial procurement. Around Brighton, the relevant customer base is mostly business-to-business, with enterprise, industrial, healthcare and public-sector buyers more plausible than consumer channels. Sales cycles are usually evidence-led: paid pilots, technical validation, regulatory review and integration work come before wider deployment. Engagements are therefore closer to specialist project or platform procurement than low-touch software subscriptions, with small expert teams expected to prove performance, reliability and manufacturability before budgets expand.
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Brighton has 81 actively trading deep tech companies, a compact local cohort within the wider UK science-and-engineering commercial base. Reported employment totals 269 people across the Brighton cohort, so the workforce footprint is closer to specialist teams than large operating sites. The pattern fits a market where technical credibility, customer trials and procurement access matter more than volume hiring. For researchers, the relevant comparison is therefore less a broad digital business count and more a cluster of small laboratories, engineering shops and software-hardware teams selling into demanding organisational buyers.
Use-case regulation matters more than the sector label for Brighton firms that may sit across software, hardware, health, energy and industrial systems. AI is being handled through a sector-specific policy model; engineering biology sits alongside regulatory sandboxes and the Genetic Technology (Precision Breeding) Act; cyber security is linked to secure-by-design policy and the Cyber Security and Resilience Bill. Quantum and semiconductor activity is shaped more by national strategies, standards and public funding than by a unified licensing regime. Commercial diligence therefore tends to focus on intended use, customer sector and assurance evidence rather than the company label.
Future development appears likely to be uneven. Brighton has the shape of an early-commercial deep tech market: compact technical teams, specialist IP, and a limited pool of revenue-scaled operators. Firms that can translate research claims into procurement-ready evidence should be better placed than those relying on laboratory performance alone. Consolidation may also come through partnerships with larger industrial, healthcare or public-sector buyers, rather than through a dense local buyer market. Regulation will keep pulling commercial work towards documentation, testing and assurance, especially where AI, cyber security, health or safety-critical systems are involved.
81
Active firms
2026
2
Above £5M turnover
Brighton-area cohort
9
Incorporated since 2022
Brighton-area cohort
Key facts
About 2% of the trading cohort reports turnover above £5M (2 of 81 firms) — the rest sits below that revenue band.
11% of the cohort was incorporated since 2022 (9 firms), so a sizeable share is in its first few filing cycles.
Deep tech is not a single regulated industry in the UK; oversight is largely technology- and use-case-specific.
UK government policy identifies six priority frontier technologies: advanced connectivity, AI, cyber security, engineering biology, quantum technologies and semiconductors.
Engineering biology is supported by the Engineering Biology Regulators Network, regulatory sandboxes and the Genetic Technology (Precision Breeding) Act.
UK deep tech consistently attracts over £5 billion in annual venture capital, while domestic investor participation falls from 57% at seed stage to under 10% at late stage.
The UK accounted for over 18% of global quantum VC funding since 2020.
Top Brighton deep tech companies
IYRIS TECHNOLOGY LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops optical additives designed to modify sunlight transmission in materials. Supplies additives for incorporation into films, coatings, and composite materials used in applications such as…
Serves B2B manufacturers and product developers using films, coatings and composites, particularly companies working with sunlight-management materials.
Financial Health
StrongStrong · Hiring · 31% 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
SCIENION (UK) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and manufactures biotechnology instruments for precision microdispensing, microarray production, and single‑cell handling. Supplies systems such as sciFLEXARRAYER and cellenONE platforms and…
Sells to diagnostic test manufacturers, biotech and life science R&D labs, academic institutions, and organisations scaling single-cell, microarray, biosensor, lateral flow and 3D cell model…
Financial Health
StableStable · Hiring · 66% CAGR over 4y
Location
CHESTPAL LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and sells a smart stethoscope for healthcare providers that records lung sounds and uses automated analysis to detect crackles and wheezes. The system enables clinicians to capture, track,…
Serves frontline healthcare professionals and care teams managing patients with respiratory symptoms, including nurse practitioners and point-of-care clinicians.
Financial Health
DistressedDistressed
Location
QUANTUM BASE ALPHA LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsConducts research and development of quantum‑inspired algorithms and hybrid quantum‑classical computing methods. Applies optimisation models to aviation data aiming to improve flight path planning…
Serves airports, aviation operators, public-sector partners and industrial organisations facing complex optimisation and emissions challenges, initially focused on the aviation sector.
Financial Health
StrongStrong · Hiring · 43% CAGR over 5y
Location
RWC Technology Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
WeakWeak · 0% CAGR over 1y
Location
ANZEN TECHNOLOGY SYSTEMS LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsDevelops data security software for cloud storage using its ASR (anonymise, shard, restore) technology to split and anonymise datasets across locations. Provides AnzenStore for secure storage, backup…
Serves organisations with sensitive, confidential or classified data, including businesses and public-sector teams using public cloud storage, backup and archive environments.
Financial Health
WeakWeak · -7% CAGR over 3y
Location
BRIGHT LAB ELECTRONICS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy
Location
Smart Testing Instruments Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
Location
Develops CNC simulation and verification software that simulates machine tools and manufacturing processes. The software checks NC programs for collisions, errors and inefficiencies, and supports…
Sells to manufacturing businesses using CNC, composite and robotic production systems, including machine shops, aerospace and other industrial engineering teams, with users spanning programmers,…
Location
BASELINE PLUS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops software platforms for collecting and managing real‑world clinical research data. Provides electronic data capture, eConsent and survey tools supporting observational studies, post‑approval…
Serves life science and clinical research organisations globally, including biotech and pharmaceutical companies, CROs, MedTech firms, patient advocacy groups and academic researchers conducting…
Financial Health
StableStable · 0% CAGR over 4y
Location
SCANNEX ELECTRONICS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak · 0% CAGR over 2y
Location
BRIGHTON SYSTEMS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -68% CAGR over 4y
Location
SUGARSWITCH LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak · Hiring · 41% CAGR over 2y
Location
NN99 SOLUTIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
LYONS ECOLOGICAL INTERPRETATION LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
TECHTONE LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · Growing, Hiring · 26% CAGR over 3y
Location
Dynamique Audio Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
UNIVERSAL QUANTUM LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops quantum computing technology, designing and building modular, utility-scale quantum computers. Conducts engineering and research to create scalable quantum hardware and systems in…
Serves organisations in the quantum computing ecosystem, including research institutions, industrial partners, public institutions and investors involved in utility-scale quantum technology.
Financial Health
StrongStrong · Hiring · 65% CAGR over 4y
Location
ALLECTRA LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, manufactures and supplies high vacuum (HV) and ultra‑high vacuum (UHV) components and electrical feedthroughs for scientific and high‑technology equipment. Provides standard catalogue parts…
Serves high-technology manufacturers and advanced research organisations, including synchrotron, photonics, fundamental physics, nanotechnology, cryogenics and alternative energy facilities requiring…
Financial Health
StableStable · 0% CAGR over 2y
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
Independent NeuroScience Services INSS Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides consulting and custom hardware and software development for neuroscience research laboratories, specialising in multiphoton fluorescence microscopy. Designs and assembles bespoke microscope…
Serves neuroscience research laboratories worldwide, particularly academic and institutional teams using custom multiphoton fluorescence microscopy, including researchers, graduate students and…
Financial Health
StrongStrong · Hiring · 10% CAGR over 2y
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
Elcogen
Develops and manufactures solid oxide fuel cell (SOFC) and solid oxide electrolyser (SOEC) cells, stacks and modules for power generation and hydrogen production. Supplies components and engineering…
Serves B2B energy system integrators, fuel cell and electrolyser manufacturers, and industrial or renewable energy developers involved in residential, commercial and industrial power generation,…
Location
HTZ Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures automated liquid handling instruments for laboratory use, including pipetting robots, tube and vial filling systems, sample management workstations, and benchtop diluters and…
Sells B2B to clinical diagnostics, life science and industrial laboratories, plus OEM partners and distributors worldwide, including teams running IFA, blood grouping, infectious disease, mass spec,…
Financial Health
WeakWeak · 2% CAGR over 4y
Location
M.A.E. (Southern) LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -71% CAGR over 4y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
The Bluebell Corporation Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures fibre‑optic signal conversion and transport equipment for broadcast, telecommunications and professional AV applications, including video, audio and data converters, IP…
Serves B2B customers in broadcast, telecommunications and professional AV, including studios, outside broadcast teams, playout operators, telcos, venues/stadiums, network AV integrators and medical…
Financial Health
WeakWeak
Location
SOLID FLUID (SYSTEM SOLUTIONS) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
SYNERTIAL TECHNOLOGIES LTD
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops inertial motion capture systems including wearable sensors, smart garments, and data capture software. Supplies equipment and tools for recording and analysing human movement used in…
Serves B2B customers in animation, sports biomechanics and Industry 4.0, including studios, sports science teams, biomechanics researchers and industrial users.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
AGILETECHNIK LIMITED
Trajectory
3y · 2024–NowFinancial sub-scores
Computed from 3 filingsConducts research and development in electronics and digital technologies, including electronic hardware, circuitry, embedded software and display systems. Provides engineering design, system…
Serves B2B electronics, communications and internet-sector companies, including medical, industrial and defence electronics equipment manufacturers, with customers referenced across Europe, the…
Financial Health
DistressedDistressed · -91% CAGR over 2y
Location
ENGENUITY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides engineering design and development services, including mechanical and electronics design, product prototyping, embedded systems, and industrial automation. Develops robotics, machine vision,…
Serves B2B and public-sector/defense customers in aerospace, defense, marine and advanced manufacturing, plus inventors, startups and enterprises developing hardware products.
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
Designs and supplies industrial automation and process control equipment including temperature controllers, power controllers, data recorders, sensors and heaters, along with control software and…
Serves industrial manufacturers, OEMs and process operators worldwide, including heat treatment, glass, life sciences, food and beverage, semiconductor and engineered-systems customers.
Location
Tailored Test Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
802AUTOMATION LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
Janiak And Son Consulting Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
Blue Sparks Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops and deploys high‑pulsed power technology for wellbore remediation in oil, gas and geothermal wells. Equipment and services remove mineral scale from subsurface safety valves, perforations,…
Serves B2B energy providers worldwide, especially oil and gas and geothermal operators managing producing or injection wells, offshore platforms, subsurface safety valves, screens and perforations.
Financial Health
WeakWeak · 0% CAGR over 3y
Location
HCD RESEARCH LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures oven‑controlled crystal oscillators (OCXO) used for precision frequency control in electronic systems. Produces standard and custom oscillators with specified stability,…
Sells to B2B electronics and engineering customers worldwide needing standard or bespoke OCXOs, including OEMs, manufacturers, and technical buyers requiring high-stability frequency control…
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 4y
Location
FLARE AUDIO LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 8% CAGR over 4y
Location
ELECTRONIC TEMPERATURE INSTRUMENTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -67% CAGR over 4y
Location
KPG PRODUCTS LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · -78% CAGR over 3y
Location
DIGITAL PIXEL LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -62% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
BSE Controls Limited
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Red Technology Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
Genetic Signatures
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and commercialises molecular diagnostic products for clinical laboratories, including multiplex real-time PCR assays and sample processing technology. Supplies EasyScreen pathogen detection…
Sells to hospital, pathology and clinical laboratories needing high-throughput molecular infectious disease testing, including healthcare providers and lab teams screening gastrointestinal,…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
Steve Teague LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and sells building performance simulation software used by engineers, architects, and energy assessors. The software models energy use, HVAC systems, daylighting, and airflow, and supports…
Serves building engineers, architects, energy assessors, sustainability consultants and universities needing building performance analysis, certification and energy-modelling tools in the UK, Ireland…
Financial Health
StableStable · Hiring · 19% CAGR over 4y
Location
CHARDEC LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
SPCR CONSULTING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
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How Brighton deep tech companies work and how to sell to them
What they do
Revenue usually begins before a finished product exists, through feasibility work, paid pilots, grant-backed R&D contracts, technical services and joint development agreements. As products mature, Brighton deep tech firms tend to move towards licence fees, platform subscriptions, maintenance contracts, specialist hardware sales or usage-based access to models, sensors, infrastructure or analytical outputs. Pricing is often milestone-led because the customer is buying proof as well as capability: bench results, integration evidence, security assurance, clinical or industrial validation, and support for deployment. Gross margins can vary sharply between software-heavy teams and firms carrying hardware, lab or manufacturing costs.
Who they sell to
Most customers are organisational buyers with technical and procurement functions rather than individual end users. Typical sponsors include CTOs, heads of R&D, engineering directors, clinical technology leads, information-security teams and operations leaders, with finance and procurement joining once a pilot becomes a deployment. Direct sales are more common than self-serve channels, although partner-led routes can matter where systems integrators, research institutions or public-sector frameworks shape access. Contracts tend to start as scoped projects or pilots, then expand only if the buyer can see operational evidence, integration feasibility and a credible route through risk review.
What they buy
Brighton deep tech firms tend to spend on the tools that help small technical teams turn research claims into repeatable delivery. Common categories include cloud and compute infrastructure, data management, observability, cyber security, identity, developer operations, testing environments, laboratory systems, engineering design software, quality management, customer relationship management and billing. Many also buy external help around intellectual property, grant applications, tax credits, regulatory advice, technical certification, finance, recruitment and specialist marketing. Hardware or science-led teams may also need prototype manufacturing, component sourcing, calibration, facilities support and insurance. Sellers usually need to show how their offer reduces technical drag rather than adding another administrative layer.
Why and how to sell to them
Buying interest often appears when a team moves from prototype to customer trial, wins non-dilutive funding, hires commercial leadership, enters a regulated market, or needs to satisfy an enterprise buyer’s security and assurance process. Common pain points include long validation cycles, scarce engineering time, documentation burden, integration risk, unclear unit economics and difficulty explaining technical value to budget holders. Outbound tends to land better when it is tied to a specific commercial stage: making pilots measurable, shortening procurement evidence-gathering, protecting intellectual property, improving delivery reliability or helping a technical founder sell into larger organisations without overbuilding internal operations.
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.
Also in Brighton
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Frequently asked questions
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