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Advanced Manufacturing Companies in Portsmouth: 521 Active Firms (2026)
Advanced manufacturing companies use frontier materials, automation and precision production methods across product sectors in Portsmouth.
Buying centres tend to sit in engineering, operations, procurement and compliance, rather than in a single software-style budget. The main customers are industrial buyers in aerospace, automotive, agri-tech, battery, space and specialist equipment supply chains, with some public-sector funded adoption work alongside conventional business-to-business supply. Engagements are usually technical and procurement-led: prototype development, tooling, supplier qualification, compliance evidence and repeat production matter more than transactional purchasing. That favours firms able to combine design and engineering capability with documented production processes, particularly where UKCA or CE obligations apply.
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Portsmouth has 521 actively trading advanced manufacturing companies. Reported headcount totals 1,813, pointing to an employer base that includes small engineering shops as well as manufacturers with production labour and technical staff. The commercial profile is weighted towards smaller operating businesses: 35 firms are above £5M turnover, while 78 have been incorporated since 2022. That mix gives the area a sizeable long tail of specialist suppliers, with a narrower group operating at a scale likely to support larger framework, export or regulated-product contracts.
Licensing is activity-specific rather than sector-wide. UK advanced-manufacturing policy groups the area around frontier industries such as advanced materials, aerospace, agri-tech, automotive, batteries and space, but product rules are the more immediate market-structure issue for many suppliers. gov.uk guidance for UKCA and CE marking covers machinery, electrical equipment, electromagnetic compatibility, equipment for potentially explosive atmospheres, lifts, measuring instruments and medical devices. Public-sector innovation and adoption networks also shape demand, although they operate more as funding and diffusion channels than as licensing bodies.
Commercial development appears uneven, with many firms likely to remain specialist suppliers rather than broad manufacturers. Demand tends to favour businesses that can evidence repeatable process control, product conformity and integration into longer industrial supply chains. Newer entrants may find routes through automation, materials engineering and digitally enabled production, but qualification cycles can be slow and buyers are cautious where safety, reliability or export compliance is involved. Consolidation may come through acquisition of process capability, customer approvals or production capacity, rather than consumer-style brand aggregation.
521
Active firms
2026
35
Above £5M turnover
Companies in Portsmouth
78
Incorporated since 2022
Companies in Portsmouth
Key facts
About 6% of the trading cohort reports turnover above £5M (35 of 521 firms) — the rest sits below that revenue band.
14% of the cohort was incorporated since 2022 (78 firms), so a sizeable share is in its first few filing cycles.
UK policy defines six frontier industries in advanced manufacturing: advanced materials, aerospace, agri-tech, automotive, batteries and space.
Product compliance can bring UKCA and CE marking into scope for machinery, electrical equipment, electromagnetic compatibility, equipment for potentially explosive atmospheres, lifts, measuring instruments and medical devices.
UK manufacturers’ product sales were £452.2 billion in 2024, down £14.5 billion, or negative 3.1%, from £466.7 billion in 2023.
Advanced manufacturing accounted for £12.9 billion of business R&D in 2023, equal to 25.7% of the UK total.
The UK’s share of global manufacturing value added fell from 3.1% in 2000 to 1.9% in 2022, while its manufacturing export share fell from 3.7% in 2000 to 1.5% in 2020.
Top Portsmouth Advanced Manufacturing companies
Coltraco Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures ultrasonic testing and monitoring instruments, including liquid level indicators, leak detectors, flow meters, thickness gauges and pressure monitoring systems used to…
Serves B2B and public-sector buyers in maritime and offshore, fire safety, defence and naval, power generation, built environment, fluid handling and testing sectors, plus distributors worldwide.
Financial Health
WeakWeak · -11% CAGR over 2y
Location
Fitztech Machining Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides precision CNC machining services including milling and turning to manufacture custom metal and plastic components. Produces engineered parts for sectors such as medical, motorsport, defence,…
Serves businesses and defence buyers in medical/biomedical, motorsport and automotive, military/MOD, marine, construction and aerospace sectors, mainly around Portsmouth, Hampshire, Dorset, Wiltshire…
Financial Health
StableStable · -36% CAGR over 4y
Location
Andair Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns and manufactures precision fuel system components for light aircraft, including fuel pumps, filters, selectors, gascolators, check valves, locking fuel caps and throttle quadrants. Supplies…
Sells to amateur aircraft builders, kit-plane manufacturers, and sport, general and commercial aviation operators working with amateur-built and certified aircraft.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 3y
Location
ENL GROUP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures plastic injection‑moulded components and associated tooling. Provides in‑house product design, mould tool engineering and high‑volume production, with warehousing and delivery of…
Serves B2B manufacturers in aerospace and defence, medical and bioscience, electronics, automotive and logistics, including NHS equipment suppliers and major car manufacturers across Europe.
Financial Health
StableStable · -69% CAGR over 4y
Location
Dynautics Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures control systems for unmanned marine vehicles, including autopilots, remote control, navigation, communication and power management systems for uncrewed surface vessels and…
Serves B2B and public-sector organisations developing or operating uncrewed surface and subsea vehicles, including offshore energy and mining firms, oceanography teams, marine transport operators,…
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
Scott Cables Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns and manufactures electrical and RF cable assemblies and wiring harnesses. Distributes RF cables, connectors and related components, and provides subcontract assembly, kitting and design…
Serves B2B and public-sector customers needing cable interconnects, including aerospace, automotive, defence, energy, industrial, marine, medical, rail, telecoms and broadcast, unmanned vehicle and…
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 3y
Location
CityEV Ltd.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures AC electric vehicle charge points and related infrastructure systems for residential, commercial and public on‑street installations. Supplies chargers, protection units and…
Serves UK households, businesses, local authorities, charge point operators, power companies, OEMs, and electrical contractors/installers needing EV charging infrastructure for domestic, commercial…
Financial Health
StrongStrong · Growing, Hiring · 63% CAGR over 4y
Location
Portsmouth Aviation
Provides precision engineering and manufacturing services including CNC machining, metal fabrication and welding, metal and paint finishing, and component qualification, inspection and testing,…
Serves B2B customers in precision engineering sectors, particularly project teams and manufacturers needing bespoke engineering support, production capabilities, and qualification or testing input.
Location
J M Automatics Limited
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides precision CNC milling and turning services, producing machined components for sectors including aerospace, medical, military, marine and motorsport. Offers finishing, assembly and design…
Serves B2B customers in aerospace, medical, military, marine, motorsport and commercial sectors, including buyers needing bespoke one-off components or large-volume production runs.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 3y
Location
Fulcrum Manufacturing Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides precision engineering and CNC machining services, including 3-, 4- and 5-axis milling of aluminium and other metal components. Produces prototypes, fixtures and jigs, and offers mechanical…
Serves B2B engineering and manufacturing customers needing precision CNC-machined components, prototypes, fixtures, jigs and mechanical assemblies, including buyers and quality teams in sectors…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
Portsmouth Aviation
Provides precision engineering and manufacturing services including CNC machining, metal fabrication, metal finishing, paint and protective coatings, and qualification, inspection and testing. Also…
Serves B2B customers in precision engineering industries, particularly organisations managing projects that require bespoke manufactured components and in-house engineering support.
Location
Subsea Craft
Develops maritime technologies and specialised surface and submersible craft for defence and security applications, including platforms for maritime mobility, testing and deployment of military…
Serves defence and maritime security customers, particularly naval forces and UK military stakeholders involved in testing, procurement and deployment of maritime capabilities.
Financial Health
Insufficient historyInsufficient history
Location
Remas HDG Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns, manufactures and repairs carbon fibre components. Provides bespoke parts, reverse engineering and composite processing for motorsport teams, luxury and performance cars, marine applications,…
Serves B2B and high-end private clients in motorsport, exotic automotive, marine, medical, film and TV, and private aviation, including race teams, luxury car owners, yacht owners, and buyers for…
Financial Health
HealthyHealthy · Hiring · 16% CAGR over 4y
Location
Diverse Marine Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, builds, refits and repairs workboats, including crew transfer vessels, patrol and military craft, pilot boats and fishing vessels. Provides vessel maintenance, engineering and refurbishment…
Serves commercial and public-sector workboat operators, including offshore wind crew transfer providers, patrol and military users, pilot and rescue organisations, fishing vessel owners and other…
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 4y
Location
DANIAMANT LIMITED
Trajectory
3y · 2024–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures maritime safety and navigation equipment for the marine industry, including lifejacket and lifeboat lights, electronic flares, forward‑looking sonars, bridge navigational…
Sells to maritime industry buyers, including shipowners, vessel operators, marine equipment distributors and dealers seeking safety, navigation and monitoring equipment. Serves commercial marine…
Financial Health
StableStable · -90% CAGR over 2y
Location
WICKSHIRE ENGINEERING LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides subcontract precision CNC machining services, including 5‑axis machining, CNC milling and turning, producing simple to complex components in metals and plastics for sectors such as…
Serves B2B customers in the petrochemical, aerospace, medical, marine, pharmaceutical and electronics sectors, including engineering and procurement teams in Hampshire and worldwide.
Financial Health
HealthyHealthy · 4% CAGR over 2y
Location
Phase One Electronics Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides PCB assembly and electronic manufacturing services, including surface mount and conventional assembly, prototyping, BGA rework, inspection and testing, cable assemblies, and box build…
Serves UK businesses of all sizes, particularly engineering and project teams in regulated or safety-driven sectors including marine, medical, defence, transportation, surveillance and automotive.
Financial Health
HealthyHealthy
Location
D.K.W ENGINEERING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides subcontract precision engineering and CNC machining services, producing turned and milled components using fixed and sliding head lathes and multi‑axis milling. Manufactures prototype and…
Serves B2B manufacturers and engineering teams worldwide, including medical and pharmaceutical, renewable energy, electronics, EV, hydraulics, petrochemical, packaging automation, aviation and marine…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
A2R TOOLING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures injection moulding tools and plastic components for the automotive industry. Provides mould design, prototype development, high- and low-volume mould production, tooling…
Serves automotive OEMs, luxury car manufacturers and Tier 1 suppliers needing injection-moulded plastic components and tooling support, primarily across the UK and European supply chain.
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 4y
Location
HB Hydraulics
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides pipe engineering and hydraulic fluid system services for marine and offshore sectors, including pipe and hose manufacture, hydraulic system builds, coded welding, flushing, mechanical…
Serves B2B and public-sector customers in the marine sector, including commercial vessel operators, military/naval organisations, offshore operators and prime contractors managing shipbuilding and…
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
FEED4WARD CONTROL LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides design, development and implementation of bespoke industrial automation control systems, including PLC, HMI, SCADA and DCS software. Also manufactures control panels, supplies automation…
Serves businesses in industrial manufacturing, particularly quality-regulated sectors such as pharmaceuticals, energy, and food and beverage, working with companies of varying sizes that need…
Financial Health
StableStable · -78% CAGR over 3y
Location
PRESSCO PRECISION ENGINEERING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures precision engineered components using CNC lathes, milling and machining processes, and produces plastic injection‑moulded parts. Provides metal and plastic fabrication, repetition…
Serves blue-chip companies, start-ups and individuals needing engineering support, mainly across automotive, defence, medical, marine, transport, environmental and commercial sectors in the south of…
Financial Health
DistressedDistressed · -69% CAGR over 4y
Location
ENL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures plastic components and associated tooling, including moulded plastic parts and the design and production of tools and moulds used in the manufacture of plastic products for industrial…
Financial Health
StableStable · -69% CAGR over 4y
Location
Cobra Tool & Die Limited
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsManufactures mould tools for plastic and rubber moulding, including injection, compression and transfer mould tools. Provides CNC milling, wire and spark erosion machining, precision engineering,…
Sells to B2B customers needing mould tools and precision engineering, especially trade moulders and manufacturers across multiple industries. Also serves firms requiring rapid tool repair,…
Financial Health
StableStable · -6% CAGR over 2y
Location
N.A.S. Engineering Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides subcontract precision engineering services including CNC turning and milling, metal fabrication, and finishing. Manufactures machined components and assemblies using large‑capacity lathes…
Serves businesses across multiple industries that require subcontract precision engineering support, including manufacturing and design teams needing machining, fabrication or finishing suppliers for…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
SEA-FIRE EUROPE LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and supplies marine fire suppression and fire detection systems for commercial vessels and pleasure craft, including pre‑engineered and custom systems, extinguishers, lithium‑ion battery fire…
Serves commercial marine operators, boatbuilders, marine dealers and pleasure craft owners, with customers across Europe and the Middle East.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
JNR Precision Engineering Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides CNC precision engineering services including CNC turning, multi‑tasking, CNC milling, and 3‑, 4‑ and 5‑axis machining. Manufactures machined components to client specifications for sectors…
Serves businesses and public-sector buyers in motorsport, military and defence, oil and gas, and food processing, including clients with both small and large order requirements.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 3y
Location
METAL TREATMENTS (PORTSMOUTH) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides metal finishing and treatment services including colour anodising for aluminium and finishing processes for stainless steel and mild steel. Serves manufacturing sectors such as aerospace,…
Serves businesses nationally across aerospace, electronics, motorsport, marine, medical and pharmaceutical sectors, plus other organisations needing aluminium, stainless steel or mild steel finishing.
Financial Health
StableStable · -13% CAGR over 2y
Location
K&G Equipment Rentals Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides pipe engineering and hydraulic fluid system services for the marine and offshore sectors, including pipe and hose manufacture, hydraulic system builds, coded welding, hydraulic and chemical…
Serves B2B and public sector customers in the marine, naval defence and offshore sectors, including commercial marine operators, military fleet organisations and shipyard or naval base project teams.
Financial Health
DistressedDistressed
Location
L W & T Engineering (UK) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides precision engineering and component manufacturing using CNC milling and turning. Uses CAD/CAM software and modern machinery to produce custom parts and machined components in a range of…
Serves B2B engineering and manufacturing customers needing project-based component manufacture in varied materials.
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 2y
Location
A K Automation And Control Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides design and manufacture of electrical control panels and building energy management systems (BEMS/BMS) for HVAC and industrial processes. Offers installation, maintenance, motor and pump…
Serves local authorities, schools and industrial/commercial organisations, including water companies, quarries, waste recycling and tarmac plants, factories and leisure facilities.
Financial Health
WeakWeak · -4% CAGR over 4y
Location
Precision Metal Polishing Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides precision metal finishing services including polishing, deburring, blasting and barrelling of engineered components. Uses processes such as vapour blasting, vibro polishing and super…
Serves B2B customers in aerospace, nuclear, power generation, automotive, industrial, construction and commercial sectors, particularly organisations working with precision metal components.
Financial Health
StrongStrong
Location
HAMPSHIRE SIGNS & PLASTICS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides plastic fabrication services, designing and manufacturing bespoke acrylic and plastic products including boat windows and marine components, display cases, storage tanks, retail guards, and…
Serves businesses and boat owners, including marine and yacht operators, scientific, pharmaceutical and electronics organisations, museums, exhibitions, retailers, and commercial users of industrial…
Financial Health
DistressedDistressed · -7% CAGR over 4y
Location
Southdown Aero Services Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides aircraft component manufacturing, maintenance and repair services for the aerospace sector, with CAA/EASA Part 145 maintenance and Part 21G production approvals, plus aircraft-on-ground…
Serves B2B customers in the aerospace sector, including aircraft operators, airlines, maintenance organisations and manufacturers needing certified UK CAA/EASA/EN9100 suppliers.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
NORDIKO TECHNICAL SERVICES LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures thin film deposition and surface modification equipment for research and production applications, including sputtering, ion beam and vacuum processing systems, with wafer…
Serves B2B and academic customers in thin-film R&D, laboratories, pilot production and advanced materials manufacturing, including microelectronics, MEMS, aerospace, automotive, medical devices, data…
Financial Health
HealthyHealthy · -11% CAGR over 2y
Location
UNIVERSAL TOOL AND PRODUCTION COMPANY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures high‑precision engineered components for sectors including oil and gas, aerospace and defence, nuclear, marine and motorsport. Provides CNC milling, turning, grinding and measurement…
Serves B2B engineering and procurement teams in oil and gas, aerospace and defence, nuclear, marine and motorsport, including organisations needing production, prototype and pre-production precision…
Financial Health
HealthyHealthy · -68% CAGR over 5y
Location
Acorn Engineering Havant Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns and manufactures bespoke industrial automation equipment, including jigs, assembly machines and automated production lines. Provides machine design, PLC programming, electrical system design,…
Serves manufacturing businesses across the south coast, including consumer goods, defence, injection moulding, aviation, automotive, medical and PCB manufacturers.
Financial Health
HealthyHealthy · -4% CAGR over 3y
Location
Percival Aviation Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns, manufactures, certifies and maintains aircraft interior components and equipment for commercial and specialist aircraft. Products include cabin fittings, lavatory and door components, seat…
Serves airlines, aircraft operators and aviation organisations needing certified aircraft interior components and cabin refurbishment support, including commercial aircraft and specialist helicopter…
Financial Health
StableStable · 2% CAGR over 4y
Location
IES Machining Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides precision engineering and CNC machining services, including 5‑axis CNC milling, multi‑axis and 3D machining, CNC turning and mould machining. Manufactures bespoke machined components and…
Serves B2B engineering and manufacturing customers in rail, automotive, Formula 1 motorsport, aerospace, marine, electronics and process machinery.
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 2y
Location
BARNBROOK SYSTEMS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures and distributes motion control and electro‑mechanical switching equipment, including relays, solenoids, power controllers, circuit breakers and pressure transducers, supplying components…
Serves B2B customers in aerospace, defence, security and space, including OEM supply chains and engine control repair organisations requiring certified electro-mechanical components.
Financial Health
HealthyHealthy · Hiring · 18% CAGR over 2y
Location
L.F.D. Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures LED lighting systems for military and commercial aircraft and ground vehicles, including anti‑collision, position, formation, landing and infrared lights. Provides optical…
Serves B2B defence and aerospace customers, especially military fixed-wing and rotary aircraft operators, avionics integrators and ground vehicle programmes, plus external customers needing…
Financial Health
HealthyHealthy · Growing · 2% CAGR over 4y
Location
OCEAN SCIENTIFIC INTERNATIONAL LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures oceanographic monitoring systems and equipment, including instrumented data buoys, telemetry, marine robotics, sensors, and water column and seabed sampling systems. Also…
Serves B2B and public-sector marine organisations worldwide, including renewables, oil and gas, ports and harbours, defence, meteorology, dredging, calibration laboratories, offshore engineering…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 2y
Location
Ricebridge Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns and builds automated manufacturing and packaging systems for factory production lines. Provides turnkey engineering, robotics integration and bespoke machinery, including robotic box‑filling…
Serves manufacturers and industrial businesses globally, targeting operations and engineering teams responsible for factory production lines across a range of applications and industries.
Financial Health
StableStable · 0% CAGR over 4y
Location
FORCE DEVELOPMENT SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures mission‑critical equipment and engineering solutions for defence, police and security sectors, including ballistic protection, tactical ladders, vehicle-borne intervention…
Serves government defence agencies, police and law enforcement bodies, armed forces, security organisations, humanitarian organisations, and strategic partners globally.
Financial Health
HealthyHealthy · -63% CAGR over 4y
Location
Mana Innovation Group Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops automotive electronic control systems and vehicle software, including engine control units, body control modules, instrument clusters and ADAS components. Provides hardware and embedded…
Serves B2B customers, primarily automotive manufacturers and electric vehicle system suppliers needing R&D, validation, production support and consultancy for vehicle electronics and control systems.
Financial Health
StableStable · 0% CAGR over 2y
Location
A. C. W. Engineering Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides precision engineering and machining services including component manufacture, assembly, inspection, and hydraulic and pneumatic testing. Produces batch and prototype parts and equipment such…
Serves B2B clients in defence, nuclear, aerospace, explosion suppression, fire detection and yacht racing, from small local projects in Hampshire to major national work and international customers.
Financial Health
StrongStrong · Hiring · 4% CAGR over 4y
Location
MORGAN INNOVATION & TECHNOLOGY LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides product design, research and development, and manufacturing services for medical, commercial and defence sectors. Supports clients from concept through production with prototyping, supply…
Serves B2B product innovators and organisations in the medical, commercial and defence sectors that need support taking physical products from concept through manufacture and market launch.
Financial Health
DistressedDistressed · -6% CAGR over 2y
Location
IRIS INNOVATIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures rugged onboard camera systems for marine and specialist vehicles, including fixed, IP, thermal and night‑vision cameras, video switchers, recorders and control equipment used…
Sells to leisure boat owners, sports fishing crews, commercial marine operators, and public-sector/emergency users including fire, search and rescue, coast guards and military teams in harsh marine,…
Financial Health
HealthyHealthy · -62% CAGR over 4y
Location
ANTECH ENGINEERED SOLUTIONS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures and supplies web handling and converting equipment for industrial processing, including air shafts, safety chucks, differential rewind shafts, bowed rollers, core chucks, tension control…
Serves B2B industrial converters and manufacturers using roll-to-roll web handling, slitting, rewinding and core-handling equipment, including production and maintenance teams sourcing parts, spares…
Financial Health
HealthyHealthy · -5% CAGR over 2y
Location
SNAPDRAGON COMPOSITES LIMITED
Trajectory
1y · 2025–NowManufactures carbon fibre composite components for automotive and motorsport applications, including structural parts, body panels and interior trim. Provides composite engineering and production…
Serves B2B customers in high-end automotive and motorsport, including race teams, vehicle manufacturers, and engineering teams in F1, endurance racing, rally, and touring car categories.
Financial Health
Insufficient historyInsufficient history
Location
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How Portsmouth Advanced Manufacturing companies work and how to sell to them
What they do
Portsmouth advanced-manufacturing firms typically earn revenue from design-for-manufacture work, precision production, automation projects, materials processing, tooling, prototyping and repeat supply of parts or assemblies. Commercial models often blend non-recurring engineering fees, day-rate technical work, tooling charges, batch production margins and longer call-off agreements once a customer has qualified the supplier. The offer is usually a mix of physical output and engineering judgement: drawings, tolerances, test evidence, process documentation and controlled production capacity all matter. For sellers, the useful distinction is whether the firm is mainly project-led, production-led or qualification-led, because each model creates different budget owners and urgency.
Who they sell to
Customers are usually industrial buyers rather than consumers: aerospace, automotive, agri-tech, battery, space and specialist-equipment supply chains, alongside some publicly funded adoption activity. Typical decision-makers include engineering directors, operations leads, procurement teams, quality managers and compliance owners, with finance involved when capital equipment or longer contracts are in scope. Sales cycles tend to be technical and staged. A first conversation may start with a prototype, feasibility study or supplier assessment, but repeat work often depends on approved-supplier status, test results, audits, commercial terms and evidence that the manufacturer can hold tolerance, quality and delivery over time.
What they buy
Most advanced-manufacturing firms tend to spend on systems and services that help them control jobs, materials, quality, margin and evidence. Common software categories include ERP, production planning, quality management, CAD and CAM support, product lifecycle management, CRM, quoting, document control, cyber security, analytics and HR systems for skilled technical teams. Services spend often covers accountancy, grant support, certification advice, legal work, recruitment, health and safety, marketing for technical buyers, export support and training. Infrastructure needs can include cloud services, shop-floor connectivity, sensors, metrology equipment, maintenance, energy management, tooling, specialist facilities and insurance tied to product risk.
Why and how to sell to them
Advanced-manufacturing buyers tend to evaluate suppliers when a new customer contract, audit, compliance requirement, production bottleneck, funding event, leadership change or capacity constraint exposes a gap. Pain points are usually practical: scrap, rework, slow quoting, missing traceability, equipment downtime, skills shortages, long approval cycles and pressure to document UKCA or CE conformity. Generic productivity pitches are less useful than a line tied to an operational trigger. Sellers should show how their category reduces qualification friction, protects margin, improves evidence trails, shortens handovers between engineering and production, or helps a Portsmouth-area supplier look lower-risk to industrial procurement teams.
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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