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Advanced Manufacturing Companies in Southampton: 707 Active Firms (2026)
Advanced manufacturing companies design and make high-value products using precision processes, automation and materials science in the Southampton area.
Procurement tends to sit with operations, engineering, quality and programme teams, rather than a single software-style buyer. The Southampton cohort spans aerospace, automotive, batteries, agri-tech, space, materials, machinery, electrical equipment and regulated-device supply chains, so customer types range from specialist industrial SMEs to mid-market producers and suppliers serving larger OEM programmes. Engagements are usually technical and capital-budgeted: plant upgrades, tooling, production engineering, quality systems, robotics, industrial data and compliance evidence all matter before a purchase order is signed. Sales cycles therefore tend to be consultative, with engineering validation carrying as much weight as price.
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Southampton has 707 actively trading advanced manufacturing firms in this list. Reported employment totals 2,044 people, giving the area a visible production and engineering footprint rather than only a design-office presence. Scale is uneven: 50 firms report turnover above £5M, while 102 were incorporated since 2022, which points to a market with established operators alongside a newer layer of specialist manufacturers and engineering-led entrants. That mix matters for buyers, because procurement risk, certification evidence and delivery capacity can vary widely across the cohort.
Advanced manufacturing in Southampton is better read as a set of product and technology markets than as a single licensed sector. The UK Advanced Manufacturing Sector Plan sits within the Modern Industrial Strategy and covers frontier areas such as advanced materials, aerospace, agri-tech, automotive, batteries and space. Product compliance is the more immediate market-structure issue. GOV.UK guidance sets out UKCA and CE marking requirements across product types including machinery, electrical equipment, electromagnetic compatibility, equipment for potentially explosive atmospheres, lifts, measuring instruments and medical devices. Public-sector innovation and adoption networks can shape collaboration routes, but they do not replace product-specific compliance work.
The Southampton cohort appears weighted towards specialist production and engineering services rather than large-volume manufacturing. Demand tends to favour suppliers that can evidence repeatable quality, traceability and compliance while still adapting to customer-specific programmes. Scale-up scarcity may keep acquisition and supplier-partnership routes active, particularly where buyers need certified capability rather than extra capacity alone. Capital intensity also tempers the pace: automation, robotics and industrial-data projects have been easier to justify where they shorten inspection cycles, reduce scrap or protect skilled labour, not where they rely on broad digital-modernisation claims.
707
Active firms
2026
50
Above £5M
local firms by turnover
102
New since 2022
local incorporations
Key facts
About 7% of the trading cohort reports turnover above £5M (50 of 707 firms) — the rest sits below that revenue band.
14% of the cohort was incorporated since 2022 (102 firms), so a sizeable share is in its first few filing cycles.
UK advanced manufacturing is associated with over 760,000 jobs, £82 billion in annual GVA and £12.9 billion of business R&D in 2023, equal to 25.7% of the UK total.
GOV.UK guidance links UKCA and CE marking to product types including machinery, electrical equipment, electromagnetic compatibility, equipment for potentially explosive atmospheres, lifts, measuring instruments and medical devices.
The UK strategy aims to nearly double business investment in advanced manufacturing to £39 billion by 2035, backed by £4.3 billion in public funding.
ONS reports UK manufacturers’ product sales of £452.2 billion in 2024, down £14.5 billion, or negative 3.1%, from £466.7 billion in 2023.
The UK’s share of global manufacturing value added fell from 3.1% in 2000 to 1.9% in 2022, while its global manufacturing export share fell from 3.7% in 2000 to 1.5% in 2020.
Top Southampton Advanced Manufacturing companies
ENOFLEX LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and manufactures composite pipeline systems using industrial-scale additive manufacturing. Produces specialised pipes such as SPC and PEEK‑CF for energy infrastructure applications including…
Serves B2B energy infrastructure customers involved in LNG, carbon sequestration and hydrogen projects, including operators and developers needing pipeline solutions for low-carbon energy systems.
Financial Health
StrongStrong · Hiring · 15% CAGR over 2y
Location
Altertek Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures custom lithium‑ion batteries, battery management systems, and battery packs. Provides electronics and product development, BMS configuration software, and energy storage…
Serves B2B engineering teams and OEMs in vehicle, grid storage, robotics, drone, marine/submarine and renewable energy sectors that need lithium battery systems and battery management support.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Nortek Instruments Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and manufactures acoustic Doppler instruments for oceanographic measurement and subsea navigation, including ADCPs and DVLs. Supplies sensors, buoy systems and software used to measure ocean…
Sells to B2B and public-sector buyers in marine science, oceanography, subsea robotics, defence, renewable energy, offshore operations, coastal engineering and marine resources, including…
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 4y
Location
MARTINS RUBBER COMPANY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, develops and manufactures engineered rubber components including technical seals, gaskets and specialist mouldings. Provides rubber-to-metal and rubber-to-plastic bonding, compound and…
Serves B2B manufacturers and engineering teams in aerospace, defence, energy, motorsport, oil and gas, prestige automotive and processing industries needing specialist rubber components.
Financial Health
WeakWeak · -67% CAGR over 4y
Location
SPECIALISED POLYMER ENGINEERING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures custom polymer components, particularly aircraft seals, for aerospace and industrial applications. Works with materials including EPDM, silicone, fluorocarbon and…
Sells to B2B customers, especially large aerospace and aircraft manufacturers, including commercial, military and industrial buyers. Serves engineering and procurement teams needing custom polymer…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 5y
Location
Will-Burt
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsManufactures telescopic masts, mobile tower and elevation systems, lighting towers, surveillance and camera positioning equipment, and secure storage containers. Products support military, emergency…
Sells to public-sector and B2B buyers in defence, border security, firefighting, law enforcement, emergency response, transport infrastructure, communications and surveillance integration.
Financial Health
StableStable · 0% CAGR over 1y
Location
Clearwater Sensors
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and supplies submersible chemical sensors and analysers for in situ water chemistry monitoring. Products measure parameters including nitrate, phosphate, silicate, iron and pH using…
Serves scientific researchers, environmental monitoring organisations, and industrial operators needing in-situ water chemistry data across rivers, lakes, coastal waters and deep-sea environments.
Financial Health
StrongStrong · Hiring · 57% CAGR over 4y
Location
David Richards Engineering Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures ultra-hard cutting tools including PCBN and PCD inserts, tool holders and specials. Uses CNC grinding and spark erosion to produce standard and custom tools for machining applications…
Serves manufacturing businesses requiring production engineering tooling, including automotive, aerospace, machine tool, press and mould tool, and woodworking companies.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsManufactures aluminium components using sand casting, investment casting and gravity die casting processes. Provides CNC machining, non‑destructive testing and powder coating to deliver finished…
Serves B2B customers in manufacturing and engineering sectors, including aerospace, automotive, defence, rail, test and measurement equipment, and general engineering, across the UK and worldwide.
Financial Health
StrongStrong · Hiring · 10% CAGR over 4y
Location
HOLTON CREST LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures continuous rotary extrusion (CRE) machinery and systems used to process copper, aluminium and brass. Provides extrusion equipment, tooling configurations and technical…
Sells to global industrial manufacturers using copper, aluminium and brass extrusion in demanding production environments, especially buyers of continuous rotary extrusion systems for critical…
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
CJR PROPULSION LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsManufactures precision‑engineered marine propulsion components including CNC‑machined propellers, flow‑aligned rudders, shafts and sterngear packages. Provides bespoke design, modelling and rapid…
Serves B2B marine customers, including commercial vessel builders/operators, leisure motor yacht manufacturers and superyacht brands needing propulsion and sterngear packages.
Financial Health
StableStable · -61% CAGR over 5y
Location
BJ ASSOCIATES LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsManufactures precision cutting tools in HSS and carbide for CNC machining, including aerospace applications. Provides tool sharpening and refurbishment services, and supplies solid carbide, indexable…
Serves B2B engineering customers, especially CNC machining firms and manufacturers in aerospace, defence, motorsport and general engineering requiring precision tooling support.
Financial Health
WeakWeak · -68% CAGR over 4y
Location
BSA REGAL ENGINEERING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides subcontract precision engineering services including CNC milling and turning, welding and fabrication, and sheet metalwork. Produces machined and fabricated components, prototypes and…
Serves B2B manufacturers and engineering buyers in marine, renewable energy, medical, food, defence and tobacco industries, from prototype and one-off requirements to volume production needs.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
BSA TUBE RUNNER LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures and supplies specialised tube and pipe tooling for installation, removal, testing and maintenance of heat exchangers, boilers and condensers, including tube expanders, cutters, facers,…
Serves B2B engineering and maintenance teams, subcontractors and operators in oil and gas refineries, nuclear and marine sectors, especially organisations working on heat exchangers, boilers,…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
BSA-REGAL GROUP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates as a holding and management company overseeing engineering subsidiaries. Group companies provide precision engineering, fabrication, CNC milling and machining services, and manufacture tube…
Serves B2B industrial customers needing precision-engineered components, prototypes or special-purpose builds, plus oil, gas, power generation and refining companies involved with heat exchangers,…
Financial Health
WeakWeak · -5% CAGR over 4y
Location
ENGINEERING HOLDINGS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates as a holding company for engineering businesses that manufacture precision‑machined and fabricated components and produce tube expansion, extraction and installation equipment used in heat…
Serves industrial B2B customers, including manufacturers needing engineered components and organisations in oil, gas, power generation and refining that operate or maintain heat exchangers, boilers…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
SPIRAL WELD LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides engineering services to repair, recover and remanufacture industrial components and equipment, re‑engineering parts considered beyond economical repair for sectors including power…
Serves B2B industrial clients in power generation, oil and gas, marine, utilities, process industries, chemical, defence and manufacturing, including engineering and maintenance teams.
Financial Health
DistressedDistressed · -74% CAGR over 4y
Location
BD Marine Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides marine engineering services including fabrication, machining, manufacturing, servicing and repair of vessels and equipment. Manufactures and tests lifting gear and cable working equipment,…
Serves private boat owners and commercial marine operators, including classic yacht owners, commercial shipping companies, subsea cable laying and recovery firms, and operators of small craft,…
Financial Health
StableStable · -4% CAGR over 4y
Location
Vulcan Offshore Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides welding, metal fabrication and CNC machining services, including design and onsite support, for offshore, subsea and marine industries. Manufactures and repairs equipment such as cable…
Serves B2B clients in offshore, renewables, subsea, marine, oil and gas, cable-laying and UK manufacturing, including operators needing equipment, repairs or ship mobilisation support.
Financial Health
StableStable · Hiring · 52% CAGR over 4y
Location
Phase 3 Plastics Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsManufactures thermoformed plastic packaging including blister packs, handling trays and clamshells. Designs and produces custom packaging from concept to finished product for sectors such as…
Sells B2B to manufacturers and product companies in the electronics, pharmaceutical, medical, aerospace, defence, marine and construction sectors, in the UK and internationally, including startups…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 3y
Location
REDLUX LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops and manufactures non-contact industrial metrology systems, including optical coordinate measuring machines, white‑light interferometers and machine‑vision inspection systems for dimensional,…
Serves B2B manufacturing and R&D organisations in optics, orthopaedics and precision bearings, including quality control and engineering teams working with precision components.
Financial Health
WeakWeak · -7% 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
FIBREGENCE LTD
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsDesigns and manufactures pressure‑moulded cable systems, electrical connectors, through‑hull penetrators and cable harness assemblies for submarines, naval vessels, aircraft and offshore energy…
Serves defence and aerospace primes, naval and public-sector buyers, offshore energy operators and infrastructure platform designers operating in hostile environments, including submarines, surface…
Financial Health
StableStable
Location
Connexion Technologies
Provides engineering design and advanced manufacturing services, including electronics, RF and microwave systems, and power electronics. Develops and produces high‑reliability components and…
Serves B2B customers in energy and utilities, communications, defence, transportation, medical, test and instrumentation, aerospace and space, including global OEMs, Tier 1 suppliers, defence…
Location
VADATECH LTD.
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures embedded computing hardware including processor boards, FPGA modules, and chassis and rack systems. Provides system integration, custom hardware development, environmental…
Serves B2B customers in aerospace, defence, commercial and industrial sectors, including DoD prime contractors and engineering teams needing embedded computing platforms and integrated hardware…
Financial Health
StableStable · 0% CAGR over 2y
Location
SMI
Designs and manufactures pressure‑moulded cable systems, connectors, penetrators and cable harnesses for use in submarines, ships, aircraft and energy infrastructure. Also provides engineering,…
Serves defence and public-sector naval programmes, aerospace OEMs, offshore and renewable energy operators, marine exploration firms and transport infrastructure platform designers operating in…
Location
Rivers Engineering Company (Winchester) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures precision machined components and assemblies for aerospace, defence, nuclear, space and electronics sectors. Provides prototyping, small-batch production and project management, working…
Serves B2B clients in aerospace, space, electronics, defence and civil nuclear sectors, including organisations needing traceable, quality-accredited supply for prototypes, small-batch production and…
Financial Health
WeakWeak · Hiring · 17% CAGR over 2y
Location
D A BENHAM ENGINEERING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides precision engineering and CNC machining of complex components, sub-assemblies and kits of parts for the aerospace, defence, and oil and gas industries, using advanced machine tools and…
Serves B2B customers in aerospace and defence supply chains, particularly OEMs, plus organisations in the oil and gas sector with requirements for precision-engineered components, assemblies and kits.
Financial Health
StableStable · -65% CAGR over 4y
Location
A & J CHURCHILL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures precision‑engineered components, including gas‑turbine blades, for aerospace and power generation industries. Provides new product development, volume production and spare parts…
Serves B2B customers in aerospace, power generation and med-tech, including OEMs and Tier 1 supply chain organisations requiring precision-engineered components.
Financial Health
StableStable · Hiring · 11% CAGR over 4y
Location
RHH Franks Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsManufactures precision engineered components and assemblies for aerospace and related industries. Provides CNC machining, dip brazing, sheet metal fabrication, heat treatment, chemical processing,…
Serves B2B organisations in aerospace, nuclear, defence and marine supply chains, from engineering teams needing prototypes to buyers sourcing batch-manufactured components and assemblies.
Financial Health
StableStable · 5% CAGR over 1y
Location
SMI
Designs and manufactures pressure‑moulded cable systems, connectors, through‑hull penetrators and cable harnesses for use in aerospace, defence, marine and energy infrastructure. Provides bespoke…
Serves defence and aerospace primes, naval and submarine programmes, renewable/offshore energy operators, marine exploration firms and public-sector military buyers working on hostile-environment…
Location
Brooks Crownhill Patternmakers Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures metal castings using precision sand, gravity die and low‑pressure casting processes. Provides pattern and tool making, CNC machining, assembly, inspection and non‑destructive testing,…
Serves B2B engineering and manufacturing customers in automotive, motorsport, aerospace/defence, electronics, renewable energy, marine, broadcast, medical and railway sectors, including product…
Financial Health
DistressedDistressed · -14% CAGR over 2y
Location
TSL TECHNOLOGY LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and manufactures electromechanical equipment and components for energy, marine and industrial applications, including downhole logging tools, underwater thrusters, generators, electric…
Serves B2B customers in energy, marine and industrial markets, including oil exploration and production logging/service tool companies, subsea and marine propulsion buyers, and renewable energy…
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
BOWYER ENGINEERING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides precision engineering and subcontract CNC machining services, including 3‑ to 5‑axis milling and CNC turning for prototype and production components. Designs and manufactures gas turbine…
Serves B2B customers in aerospace, power generation and industrial manufacturing, including gas turbine development teams, controls integrators and firms sourcing prototype or small-to-medium batch…
Financial Health
WeakWeak · -69% CAGR over 4y
Location
AEROTHERMAL LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures bespoke autoclaves and specialist thermal processing equipment for aerospace, motorsport, military and industrial applications. Provides process engineering, project…
Serves B2B and public-sector organisations in aerospace, motorsport, defence, electronics, tobacco, waste management and energy-from-waste, including global manufacturers, airlines, military bodies…
Financial Health
StableStable · -9% CAGR over 4y
Location
Cyclife Aquila Nuclear
Designs and builds containment systems, shielded facilities and remote handling equipment for nuclear and nuclear medicine applications. Provides gloveboxes, manipulators, transport and packaging…
Serves organisations in the nuclear and nuclear medicine sectors, including nuclear operators, decommissioning bodies, research laboratories, universities and specialist suppliers in domestic and…
Location
Symetrica
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures radiation detection and identification systems for security and defence applications, including handheld devices, backpacks, vehicle-mounted units and portal scanners. Also…
Serves government, law enforcement, military and security agencies, plus operators of borders, ports, airports, cities, events, scrap metal facilities and research sites needing threat detection…
Financial Health
DistressedDistressed · -8% CAGR over 4y
Location
DT ENGINEERING SERVICES LTD.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and builds industrial automation systems, robotic solutions, and precision tooling for manufacturing. Provides system integration, material handling and conveyance systems, custom machinery,…
Sells to manufacturing companies, particularly pharmaceutical, medical device equipment, cosmetics, HVAC, appliance and consumer product producers with industrial production operations.
Financial Health
StableStable · 0% CAGR over 4y
Location
Elumin8 Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and engineers automotive lighting systems and components for vehicle manufacturers. Conducts research and development, rapid prototyping and in‑house manufacturing of lighting parts for…
Sells to businesses in the automotive industry, particularly vehicle manufacturers and automotive companies needing lighting design, engineering, prototyping and line-fit assembly support, including…
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
Location
RTL Materials Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures rollable composite mast systems using bi-stable reeled composite technology, including telescopic masts, tripods, integrated antenna masts, combination systems and related accessories…
Serves defence, industrial and emergency services buyers, plus distributors and organisations in sectors including telecoms, transport, nuclear, energy, rail, mining, broadcasting, environmental…
Financial Health
StrongStrong · Growing · 3% CAGR over 2y
Location
ST. CROSS ELECTRONICS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures custom cable assemblies, wiring looms and wire harnesses for sectors including defence, aerospace, medical and motorsport. Provides design for manufacture support, prototyping and volume…
Serves B2B buyers in high-reliability sectors including defence, medical, aerospace and motorsport/F1. Targets engineering, procurement and manufacturing teams needing custom cable assemblies and…
Financial Health
StableStable · -2% CAGR over 2y
Location
CARBON FIBRE TUBES LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures carbon fibre and composite tubes, including round, square, modular and telescopic tubing. Produces composite sheets and parts using moulding and pressing, and provides CNC…
Serves B2B customers in aerospace, defence, engineering and R&D, including defence primes, UAV and drone developers, fixed-wing aircraft suppliers, and metrology or inspection equipment manufacturers.
Financial Health
StrongStrong · Hiring · 22% CAGR over 2y
Location
VEROTEC LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures electronic enclosures and hardware systems. Produces standard and custom products including rack cases, cabinets, subracks, backplanes and metal enclosures, and provides…
Serves B2B customers in aerospace and defence, broadcast and telecoms, medical and scientific, and automotive and transport sectors, including teams needing standard or bespoke electronic enclosure…
Financial Health
WeakWeak · -3% CAGR over 2y
Location
AJAX MACHINE TOOLS INTERNATIONAL LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, manufactures and supplies manual and CNC machine tools for metalworking, including milling machines, lathes, drilling, grinding, boring and sawing equipment, as well as sheet metal machines,…
Serves engineering and manufacturing businesses worldwide, including machine shops, workshops and industrial users needing manual and CNC machine tools, presses and sheet metal equipment.
Financial Health
HealthyHealthy · -89% CAGR over 2y
Location
Woodrow Scientific Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops high‑power laser systems and platforms, including eye‑safe laser cleaning equipment, robotic laser‑cleaning systems, and erbium‑doped fibre laser and amplifier technology used for free‑space…
Serves industrial manufacturers and facilities teams, hospitals and public-space operators, plus aerospace and satellite communications organisations; also references domestic markets.
Financial Health
HealthyHealthy · Hiring · 63% CAGR over 4y
Location
Wessex Resins & Adhesives Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures epoxy resin and adhesive systems for defence, marine, oil and gas, composites and industrial applications. Produces WEST SYSTEM, PRO-SET and Entropy Resins for EMEA and offers custom…
Sells to B2B customers in defence, marine, oil and gas, advanced composites and industrial sectors, including OEMs and own-label buyers needing custom or toll manufacturing, plus professional users…
Financial Health
StableStable · Hiring · 6% CAGR over 2y
Location
THE ORIGINAL GAUGE COMPANY LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsManufactures precision measurement gauges for engineering and manufacturing, including thread, spline and plain plug and ring gauges, master gears and custom gauges. Provides gauge design, wire EDM…
Serves advanced manufacturing and engineering businesses globally, especially organisations producing threaded, splined, plain and geared components requiring precision inspection and calibration.
Financial Health
StableStable · -6% CAGR over 3y
Location
CAMPRO-JECT LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures surveillance cameras, video systems, transmitters and lithium‑ion battery solutions. Provides rugged equipment and bespoke micromechanical and electronic systems for police,…
Serves police, military, industrial and environmental sector customers across the UK and Europe, including Special Forces, SWAT teams, law enforcement agencies, army users and production-line…
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
Perfect Bore Manufacturing Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides precision machining services specialising in deep hole drilling and internal and external surface machining. Offers gundrilling, deep hole boring, honing, CNC turning and grinding, and…
Serves B2B manufacturers and engineering contractors in aerospace, defence, nuclear, oil and gas, automotive and medical sectors requiring precision-machined components or subcontract capacity.
Financial Health
StableStable · 2% CAGR over 2y
Location
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsManufactures process control instrumentation including indicators, totalisers, transmitters, converters, isolators, trip modules, controllers and calibrators, as well as signal conditioners and data…
Serves B2B industrial customers using process control and automation systems, including plant engineering, instrumentation and maintenance teams in manufacturing and processing environments.
Financial Health
WeakWeak
Location
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How Southampton Advanced Manufacturing companies work and how to sell to them
What they do
Southampton advanced manufacturing firms usually earn revenue from engineered components, assemblies, production tooling, machinery, test equipment, specialist fabrication and design-for-manufacture work. Contracts tend to combine quoted project fees, non-recurring engineering charges, tooling costs, unit pricing and service work for maintenance, calibration or process support. A smaller group may licence process know-how or sell industrial systems with monitoring and support attached, but most income still follows purchase orders, framework agreements and programme milestones. Gross margin depends less on user adoption than on yield, materials cost, rework, machine utilisation and the ability to pass engineering changes through without absorbing all the cost.
Who they sell to
Buyers are typically engineering-led organisations: OEMs, tier suppliers, regulated product manufacturers, industrial operators and public-sector or research-linked programmes. Decision-making often sits across operations directors, heads of engineering, quality managers, production managers, procurement teams and programme leads, with finance involved when capital equipment or multi-year supply commitments are at stake. Routes to market are mainly direct sales, approved supplier lists, technical referrals and formal tendering, rather than self-serve purchasing. Sales cycles can be slow because buyers want samples, process evidence, audit trails, drawings, tolerances, delivery commitments and sometimes site visits before committing volume work.
What they buy
Most advanced manufacturing firms tend to spend on production equipment, tooling, metrology, calibration, maintenance, materials handling, energy management and shop-floor safety. Software spend usually sits around ERP, MRP, production scheduling, quality management, document control, PLM, CAD/CAM, maintenance management, industrial data capture, analytics and cybersecurity for operational technology. Services opportunities include compliance advice, grant support, R&D tax work, specialist recruitment, health and safety consultancy, export documentation, technical marketing and bid support. Cloud and connectivity providers may fit where manufacturers are linking machines, inspection records and customer reporting, though buyers will usually test reliability and security before expansion.
Why and how to sell to them
Commercial pain usually shows up as delayed deliveries, scrap, inspection bottlenecks, skills gaps, audit findings, rising energy costs or difficulty proving traceability to customers. Buying triggers tend to include a new production programme, a customer audit, a quality escape, a plant move, a new operations or quality leader, grant-funded automation work, or a shift from prototype work into repeat production. Outbound messages are more credible when they name the operational constraint: shorter inspection cycles, lower rework, cleaner compliance evidence, better machine uptime or faster quote-to-production handover. Generic productivity claims tend to land badly with engineering buyers.
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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Frequently asked questions
How many advanced manufacturing companies are there in Southampton?
What counts as a advanced manufacturing company in this list?
Which are the largest advanced manufacturing companies in Southampton?
What do advanced manufacturing companies in Southampton actually do?
How does Southampton advanced manufacturing compare internationally?
How is this list built and how fresh is the data?
How big are the typical advanced manufacturing companies in Southampton?
Are these mostly new or established advanced manufacturing companies?
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