Turn this list into pipeline.
Metals Companies in Portsmouth: 97 Active Firms (2026)
Metals companies in Portsmouth manufacture, process and finish steel and other metal products for industrial buyers across the city region.
Buying centres tend to sit in engineering, procurement and site operations teams, rather than in general corporate purchasing. The core customer base is B2B: OEM suppliers, local fabricators, plant operators, contractors and specialist construction businesses needing repeatable metalwork, finishing or processing capacity. Engagements are usually supplier-led and project-based, with qualification around material grade, tolerances, lead times, site access and inspection records. For sales research, the better-fit accounts look like SME production businesses with workshop capacity and industrial buyers, not merchants, brokers, consultancies or firms whose role is mainly wholesale distribution.
Read more
Portsmouth has 97 actively trading metals companies, making this a compact local cohort rather than a broad regional manufacturing base. Reported headcount across the group totals 874 people, so the employment footprint is visible but spread across relatively small operators. Only 3 firms report turnover above £5M, while 11 have been incorporated since 2022, pointing to a market where established workshops and newer specialist entrants sit alongside one another. For analysts, the active trading base is the relevant supplier pool available to industrial buyers.
Procurement rather than consumer regulation appears to set much of the day-to-day operating context. Industrial and construction customers tend to ask for evidence of material grade, finishing consistency, fabrication capability and delivery controls before awarding repeat work. That makes qualification, inspection paperwork and continuity of supply part of the sales process, especially where parts feed into engineered assemblies or site-critical construction programmes. Distribution-only firms sit outside the target shape, so market structure is better read through production capability and end-market exposure than through general metal trading volumes.
Further development appears more likely to come from gradual specialisation than from a rush of new capacity. Smaller workshops tend to win on responsiveness, repeat orders and local relationships, but margin pressure can rise when customers push for shorter lead times or tighter quality evidence. Larger revenue bands look scarce, which may limit the number of obvious consolidation platforms. The cohort may still attract adjacent engineering work where buyers want production, processing and finishing close to project sites, yet distribution-led models are likely to remain a poor proxy for the industrial opportunity.
97
Active firms
2026
3
Firms above £5M
Revenue threshold
11
Newer firms
Incorporated since 2022
Key facts
About 3% of the trading cohort reports turnover above £5M (3 of 97 firms) — the rest sits below that revenue band.
11% of the cohort was incorporated since 2022 (11 firms), so a sizeable share is in its first few filing cycles.
Portsmouth-area metals suppliers serve industrial buyers that often need fabrication, processing and finishing work close to production or repair sites.
Purchasing tends to be specification-led, with material grade, tolerances, finishing requirements and delivery windows shaping supplier choice.
Steel and other metal products remain central to this local segment, covering day-to-day manufacturing, repair and specialist workshop activity.
Top Portsmouth Metals companies
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
Fabtech Welding & Fabrication Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures stainless steel and aluminium fabrications for marine, architectural and commercial installations. Produces welded components, structures and a range of stainless steel furniture for…
Sells to marine, architectural and other commercial installation customers, plus buyers of stainless steel furniture for commercial and domestic use. Serves both businesses and consumers.
Financial Health
StableStable · 0% CAGR over 2y
Location
Macro Fabrications Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides custom metal fabrication and welding services, including CAD design, manufacture of sheet, tubular and wire metal components, polishing and finishing, and on-site installation of steelwork,…
Serves B2B customers in commercial and industrial sectors, including pharmaceutical laboratories, aerospace companies, manufacturers, food and beverage firms, and construction-related teams needing…
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 3y
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
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
Tomburn Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides commercial powder coating and specialist metal finishing services, including surface pre-treatment, in‑house paint stripping, and steel and shot blasting. Works with volume and batch…
Serves B2B volume and batch manufacturers and commercial project teams across construction, automotive, agriculture, retail, healthcare, electrical engineering, metalwork, industrial equipment, fire…
Financial Health
WeakWeak · -19% CAGR over 1y
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
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
Abshot Engineering Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides subcontract precision machining services, producing turned and milled components from metal and plastic using CNC lathes and machining centres. Also offers design support, manufacture of…
Sells to business customers needing subcontract precision-machined components, fixtures and repair parts, including manufacturers and engineering firms. Serves buyers requiring turned or milled metal…
Financial Health
HealthyHealthy · -8% CAGR over 4y
Location
ML (UK) LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides steel fabrication, welding and structural engineering services, including marine engineering, precision machining and on‑site welding. Also supplies steel, fixings and fastenings through a…
Serves marine and industrial businesses, including shipping and construction project teams, plus trade customers and members of the public buying steel, fixings and fastenings.
Financial Health
WeakWeak · -2% CAGR over 5y
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
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
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
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
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
FUTURE FIRE SOLUTIONS LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsManufactures bespoke fire‑rated systems including steel‑framed glazing, passive fire protection assemblies and bullet‑resistant systems. Designs and produces certified, tested installations with…
Serves architects, planners, building contractors, developers and property owners in residential and commercial building projects, including workplaces and homes.
Financial Health
StableStable · -5% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures precision industrial knives and consumable wear parts used in packaging and processing equipment for consumer goods sectors. Provides reverse engineering, regrinding and…
Serves B2B manufacturers and packaging operations in consumer goods sectors, including food, beverage, dairy, confectionery, frozen food, coffee and tea, cosmetics, personal care, pharma, caps,…
Financial Health
StableStable · -3% CAGR over 4y
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
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
Allmet Duct Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Hepman Limited
Trajectory
3y · 2021–NowFinancial Health
Insufficient historyInsufficient history · 0% CAGR over 1y
Location
LES COMPOSITES LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy
Location
G & S Fabrications Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides metal fabrication and sheet metalwork services, producing structural steel components and custom metal structures. Designs and manufactures balconies, spiral and curved staircases, fire…
Serves local Hampshire clients, including construction, property and industrial customers, with projects ranging from specialised one-off requirements to larger or batch orders.
Financial Health
WeakWeak · -11% CAGR over 2y
Location
HAVANT SHEET METAL COMPANY LIMITED (THE)
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides precision sheet metal fabrication services including design and planning, CNC punching, fibre laser cutting, folding and welding. Manufactures components and assemblies in steel, stainless…
Serves B2B clients across Hampshire and the South Coast, including defence, aerospace, marine, manufacturing, electronics, pharmaceutical, telecommunications, audio/media, health and safety, and…
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
Adlaser Profiles Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides sheet metal fabrication services including flatbed fiber laser cutting and profiling, CAD design and drafting, pressbrake folding, and in‑house finishing such as wet spray and powder coating…
Targets manufacturers, engineering firms, fabricators and product developers in Hampshire that need subcontract sheet-metal production support from design through finishing.
Financial Health
StrongStrong
Location
S.W. Asgood Eng. Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides sheet metal fabrication and engineering services, including metal welding, sheet metal design, plasma profiling, and manufacture of light fabricated components for commercial and domestic…
Serves commercial and domestic customers across Hampshire, including local businesses needing light fabrication or sheet metal components, production buyers, and homeowners requiring custom metalwork.
Financial Health
WeakWeak · Hiring · 9% CAGR over 4y
Location
PB Fabrication & Mechanical Services Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 5y
Location
RIVITSWADE LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsManufactures ductile iron and steel pipework, fittings and fabricated components for the water industry. Produces bespoke steel fabrications, adaptors and converters, and applies protective…
Serves B2B customers in the water industry, including project buyers and export clients, with UK, European and Middle Eastern markets explicitly referenced.
Financial Health
StableStable · -16% CAGR over 2y
Location
ABLE STEEL FABRICATIONS LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFabricates structural and secondary steelwork and architectural metalwork including balustrades, staircases, canopies and support frames. Provides steel beams and sections, design and detailing from…
Serves builders, construction contractors, property developers, landlords, architects/engineers and domestic customers involved in small building, renovation and structural steel projects.
Financial Health
WeakWeak · -70% CAGR over 4y
Location
Specialized Fabrications Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides welding and metal fabrication services for ferrous and non‑ferrous materials including stainless steel, aluminium and brass. Manufactures one‑off components, prototypes and production runs,…
Serves B2B industrial, manufacturing and construction customers needing metal fabrication, from one-off prototypes to production-line work and on-site construction or balustrade-related projects.
Financial Health
StableStable · -3% CAGR over 4y
Location
Weldrite Engineering Services Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns, manufactures and installs structural steelwork for construction projects. Provides design coordination, fabrication and project management for steel frame structures, and produces specialist…
Serves main contractors, developers and project teams in commercial, leisure, health and education construction, including large steel-frame projects and smaller works.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 5y
Location
Ripley Engineering Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides sheet metal fabrication and manufacturing services including laser cutting, powder coating, electro-mechanical assembly, and design assistance. Produces bespoke and standard products such as…
Serves B2B industrial customers, including manufacturers and refrigeration-related businesses needing fabricated metal components, acoustic enclosures, plant housings, assembly support, or finished…
Financial Health
StableStable · 4% CAGR over 2y
Location
METALWELD-SOLUTIONS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy
Location
SMITH & AUSTIN ENGINEERING PRODUCTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -69% CAGR over 4y
Location
Adweld Fabrications Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides metal fabrication services including sheet metal fabrication, welding and precision machining. Designs and manufactures bespoke and batch metal components and structures, and offers on-site…
Serves businesses and private customers in Hampshire needing bespoke, mass-produced, or installed metal fabrication and sheet metal work.
Financial Health
HealthyHealthy · -4% CAGR over 5y
Location
SPARKTECH FABRICATIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures bespoke stainless steel components and assemblies, providing fabrication, coded and orbital welding, rolling and forming, CNC milling and turning, and polishing and finishing for…
Serves B2B customers in pharmaceutical, brewery, chemical, food and other high-spec industries needing bespoke stainless steel parts, from one-off items to batch production.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
Inovad Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures metal structures and components, providing laser cutting, sheet metal processing, bespoke metal fabrication and machining. Offers CAD design support from concept to manufacture and…
Serves B2B customers, including blue-chip companies and major manufacturers in aviation, aerospace, automotive and other industrial sectors.
Financial Health
DistressedDistressed · -13% CAGR over 4y
Location
Glacier Engineering Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides metal fabrication and engineering services including stainless steel and aluminium welding, precision machining, laser cutting, profiling, sheet metal fabrication, and metal finishing for…
Serves businesses across a variety of industries that need project-specific stainless steel, aluminium alloy and sheet metal components, including clients with welding, machining and finishing…
Financial Health
StrongStrong · -3% CAGR over 4y
Location
BARLOW SHEET METAL LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides precision sheet metal fabrication for the electronics industry, including CAD design, CNC punching and bending, welding, milling and turning. Produces prototypes through full production runs…
Serves B2B customers in the electronics industry, including manufacturers and engineering teams requiring prototype development through full production of precision sheet metal components and…
Financial Health
StableStable · -2% CAGR over 4y
Location
Lloyds Beal Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, manufactures and installs crane systems, lifting equipment and structural steelwork. Provides crane repair, servicing and testing, lifting gear inspection and certification, bespoke metal…
Serves B2B industrial clients in construction, manufacturing, rail, defence, marine, transportation and infrastructure, including facilities and operations teams with crane, lifting and structural…
Financial Health
StrongStrong · Growing, Hiring · 38% CAGR over 2y
Location
Puma Engineering & Construction Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures pressure vessels, process skid systems, nitrogen (GAN N2) plants, process pipework and structural steelwork. Provides engineering design, fabrication, site installation, and maintenance…
Sells B2B to industrial operators and engineering buyers in petrochemicals, oil and gas, power generation, subsea, cryogenics and chemical sectors, including firms needing fabrication, installation…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 7% CAGR over 2y
Location
G W SHELTER SOLUTIONS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, manufactures and installs bus shelters for public transport infrastructure. Provides standard and bespoke shelter models, along with groundworks, maintenance services, and associated…
Serves UK local authorities, parish and county councils, contractors and transport or traffic planners responsible for public transport infrastructure projects.
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 2y
Location
Rowland Way Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides industrial paint finishing services including powder coating, wet painting, stove enamelling and air‑dry finishes for metal, plastics, wood and other substrates. Also applies MOD and…
Serves industrial and commercial businesses, including MOD and aerospace supply chains, needing finishing for metal, plastic or wood components.
Financial Health
WeakWeak · -5% CAGR over 2y
Location
OGD ENGINEERING LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
HI-TECH (UK) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides CNC precision machining services including milling and turning, producing small to large components. Also offers reverse engineering, prototype and product design support, CAD/CAM analysis,…
Sells B2B to engineering and manufacturing customers needing low- to medium-volume, high-precision machined components, prototypes and sub-assemblies, particularly in oil and gas, nuclear, defence,…
Financial Health
HealthyHealthy · -68% CAGR over 4y
Location
APR POWDER COATINGS LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides powder coating services for metal components and fabricated items, applying durable and corrosion‑resistant finishes. Operates large-capacity ovens capable of coating items up to 14 metres…
Serves businesses and individuals needing powder coating for items in varied materials, including oversized components up to 14m and customers requiring collection, delivery and fast turnaround.
Financial Health
HealthyHealthy · -2% CAGR over 3y
Location
MtecH Southern Solutions Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · Growing, Hiring · 44% CAGR over 3y
Location
MR STAINLESS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -68% CAGR over 4y
Location
X-SEAL LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable
Location
PRODUCTION & DEVELOPMENT SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides sheet metal fabrication services including laser cutting, machining, MIG/TIG/spot welding, and paint coating. Supports design for manufacture, prototyping, and production of metal parts and…
Serves UK businesses, including manufacturers and product developers, that need sheet metal parts, sub-assemblies, prototypes, or components with local manufacturing and delivery support.
Financial Health
HealthyHealthy · -6% CAGR over 4y
Location
Unlock all 97 leads
Showing 50 of 97 — +47 more with verified decision-maker contacts, live data, and CRM sync.
How Portsmouth Metals companies work and how to sell to them
What they do
Portsmouth metals firms usually earn revenue from physical production and processing rather than pure resale. Work is priced through quotes that combine material, labour, machine time, finishing, delivery and any inspection or certification requirement. Smaller jobs may be one-off fabrication, repair or modification orders; repeat customers often move to call-off arrangements, agreed rate cards or project packages tied to construction, marine, plant or engineering schedules. Gross margin tends to sit in estimating discipline, utilisation of workshop capacity and control of scrap, rework and outsourced finishing.
Who they sell to
Most sell into industrial and construction supply chains where the buyer is an engineering manager, contracts manager, procurement lead, production planner or site operations contact. The buying process is usually direct rather than self-serve: a drawing, specification or site requirement is shared, the supplier quotes, then the buyer checks capability, availability and paperwork before issuing a purchase order. Repeat work depends on approved supplier status, responsiveness and tolerance control. New-account sales can be slow when customer qualification, insurance, site access or inspection records are needed before the first job is awarded.
What they buy
Most metals firms tend to spend on practical operating systems and services that keep jobs moving through the workshop. Relevant categories include quoting and job-costing software, stock and material traceability, production scheduling, quality management, document control, accounting, payroll, CRM and field service tools where site work is common. They also buy recruitment, training, health and safety support, insurance, finance, energy advice, machinery maintenance, tooling, consumables, waste handling and logistics. Enterprise-wide software may be a harder sell unless it links directly to estimating accuracy, delivery performance, certification or capacity planning.
Why and how to sell to them
Margin pressure, material price movement, skilled labour shortages, machine downtime and customer demands for shorter lead times tend to create buying moments. Commercial intent often appears when a workshop wins repeat work, bids for larger contractor packages, adds shifts, recruits production staff, changes premises, upgrades machinery or needs better evidence for quality and safety checks. Outbound messages usually land better when they name a shop-floor constraint rather than a generic productivity claim. Useful angles include reducing rework, making quotes faster, improving traceability, protecting cashflow on project work and helping operations teams prove delivery control to industrial 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.
Also in Portsmouth
Related directories
Frequently asked questions
How many metals companies are there in Portsmouth?
What counts as a metals company in this list?
Which are the largest metals companies in Portsmouth?
What do metals companies in Portsmouth actually do?
How does Portsmouth metals compare internationally?
How is this list built and how fresh is the data?
How big are the typical metals companies in Portsmouth?
Are these mostly new or established metals companies?
What SIC codes does this use?
What buying signals should I look for?
Push these 97 companies into your pipeline.
Find the right decision-makers, see verified company data, and export your list in seconds.

















































