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Automotive Companies in Portsmouth: 37 Active Firms (2026)
Automotive companies in Portsmouth build, import, modify and support vehicles and components for Great Britain and export markets.
Buying centres in Portsmouth’s automotive market sit around procurement, operations and compliance rather than consumer retail. Buyers tend to be fleet operators, specialist vehicle users, parts distributors, repair networks and manufacturers that need local supply, modification, import handling or approval support. Engagements are typically contract-led, with owner-managed suppliers serving repeat maintenance, component and conversion work, while the more commercially mature firms handle wider Great Britain demand or export-linked requirements. The relevant customer question is often less about brand preference than whether a supplier can document fit, provenance and approval status.
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Portsmouth has 37 actively trading automotive companies on this page, a compact local cohort within the city and its surrounding commercial area. Reported employment across the group totals 227 people, which points to a market made up mainly of lean operators rather than large production sites. The base therefore reads as workshop, import, distribution and component activity, rather than a manufacturing cluster with extensive plant employment.
UK automotive manufacturing, importing and modification activity is governed through vehicle approval routes rather than a sector-wide licence. GOV.UK says approval can be needed where vehicles have been built, rebuilt, radically altered, reconstructed, imported or modified. Small-volume and one-off activity can sit under Individual Vehicle Approval, Motorcycle Single Vehicle Approval and related routes; series production uses type approval. The Vehicle Certification Agency acts as the UK Type Approval Authority, while Great Britain and Northern Ireland requirements diverge because Northern Ireland continues to apply EU type approval rules in this area.
Specialist supply appears more likely than volume assembly to define Portsmouth’s automotive base. The cohort tends to favour workshops and distributors that can handle documentation, component sourcing and compliance-heavy modification work, with a thinner layer of firms at scale-up stage. Approval complexity may favour operators with repeat processes and experienced technical staff, while smaller entrants have to absorb the same compliance burden across narrower revenue streams. Consolidation, where it occurs, is likely to look like service-line acquisition or local capacity roll-up rather than a rush of new factories.
37
Active firms
2026
7
Since 2022
New incorporations
4
Above £5M
Reported turnover
Key facts
About 10% of the trading cohort reports turnover above £5M (4 of 37 firms) — the rest sits below that revenue band.
18% of the cohort was incorporated since 2022 (7 firms), so a sizeable share is in its first few filing cycles.
GOV.UK says vehicle approval is required where vehicles have been built, rebuilt, radically altered, reconstructed, imported or modified.
Single or small-volume routes include Individual Vehicle Approval, Motorcycle Single Vehicle Approval and related schemes.
The Vehicle Certification Agency is the designated UK Type Approval Authority for automotive products and a designated Technical Service for UN type approval testing.
SMMT reports 905,117 cars, 120,357 commercial vehicles and 1.6 million engines built in the UK in 2023.
Eight out of 10 UK-built cars are exported to more than 140 markets, placing export compliance close to the operating model for many vehicle and component suppliers.
Top Portsmouth Automotive companies
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
MECHELEC (FAREHAM) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides automotive repair and maintenance services including MOT testing (up to class 7), mechanical and electrical repairs, vehicle servicing, accident bodywork and resprays. Also carries out…
Serves private motorists and commercial vehicle operators with cars, vans and light commercial vehicles up to 3,500kg, including customers needing MOTs, accident repairs, resprays, refurbishments or…
Financial Health
DistressedDistressed · -7% CAGR over 4y
Location
G C J Fluid Systems Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures fluid handling and thermal management systems for the automotive industry, including coolant distribution modules, refrigerant lines, valve units and hydrogen supply lines…
Serves global automotive OEMs and vehicle manufacturers, including organisations developing conventional, electric and hydrogen vehicles, as a Tier 1 supplier to the automotive industry.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
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
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
Bodyworks Carbon Fibre Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
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
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
SOUTH SHORE COACHWORKS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides coachbuilding, bodywork restoration and metal fabrication for classic and historic vehicles. Manufactures components such as chassis, panels, fuel tanks and battery boxes, and undertakes…
Serves owners and collectors of vintage, classic and historic vehicles, including customers commissioning full restorations, coachbuilding, fabrication and repair work for individual cars and related…
Financial Health
HealthyHealthy · -69% CAGR over 4y
Location
Design & Development Engineering Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical design and engineering services, including contract design and manufacture of prototype components, obsolete replacement parts, and automotive conversion parts. Produces and sells…
Serves businesses and individual vehicle owners/restorers worldwide, especially classic Land Rover Series, Defender, Range Rover, Discovery and military vehicle enthusiasts, plus organisations…
Financial Health
HealthyHealthy · Growing · 0% 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
Paul Lanzante Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and builds bespoke road and track cars based on high‑performance models from manufacturers such as McLaren, Pagani and Porsche. Provides supercar conversions, engineering upgrades,…
Serves affluent private car collectors, supercar enthusiasts and motorsport clients owning high-performance or historic road and track cars, especially McLaren, Pagani and Porsche models.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
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
Solent Bodybuilders
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures and installs bodies for commercial vehicles and provides accident repair services. Also designs and applies vehicle graphics and livery, offering bodywork fabrication, refurbishment and…
Serves businesses operating commercial vehicles and fleets, including transport, logistics and trade customers across southern England needing vehicle bodywork, repairs or graphics.
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
Location
Oberon Performance Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures aftermarket motorcycle parts and accessories, including adjustable brake and clutch levers, clutch slave cylinders, dry clutch components, mirrors, mirror extenders, fuel cap…
Serves individual motorcyclists, race and custom bike owners, and motorcycle trade partners seeking aftermarket accessories for major brands including Ducati, BMW, Honda, Kawasaki, Suzuki, Triumph…
Financial Health
StableStable · 0% CAGR over 4y
Location
Racing Technique Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, manufactures and sells motorcycle accessories and crash protection components, including frame sliders, crash protectors, fork protectors and exhaust guards. Operates an online store…
Serves motorcyclists and motorcycle owners, particularly sportsbike and adventure bike riders, plus trade stockists and dealers seeking model-specific motorcycle accessories and crash protection.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
DELLA DYNAMICS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsRestores, services and prepares vintage, historic and classic cars. Provides engine building and dynamometer testing, coachwork repair and fabrication, chassis work, and CNC manufacture of components…
Serves private collectors, prospective buyers and owners of vintage, historic and classic cars, with a focus on pre-war Alfa Romeo, plus motorsport clients and organisations needing specialist…
Financial Health
HealthyHealthy · -69% CAGR over 4y
Location
Vanverso Conversions Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
WeakWeak · 0% CAGR over 1y
Location
VANCONCEPT DESIGN LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · Growing, Hiring · 71% CAGR over 3y
Location
KAIS COMPOSITES LIMITED
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
CARLIN PERFORMANCE LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
HealthyHealthy · 0% CAGR over 3y
Location
PENDINE MOTORS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak
Location
TERASA LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
R K PRECISION LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides CNC machining and precision engineering services, including CNC milling and CNC turning. Manufactures precision components using multi‑axis machining centres for industries such as…
Serves UK businesses in motorsport, aerospace and general engineering, including teams needing one-off prototypes, short runs or volume production of precision components.
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
BOND ENGINEERING SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures high-volume bar-turned and cold-formed metal fittings using multi-spindle and multi-station machinery. Produces brake pipe fittings, bleedscrews, connectors, and flaring tool dies and…
Serves B2B industrial customers in construction, automotive, fastening and garage tooling, including manufacturers and suppliers requiring high-volume turned and cold-formed fittings across the UK…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Outback Conversions Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
DHE Hampshire Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak
Location
ROTRIP LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · Hiring · 19% CAGR over 3y
Location
APM Engineering Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures precision engineered components using CNC and manual milling and turning. Provides batch and prototype machining, light fabrication, and subcontract engineering for sectors including…
Serves B2B engineering and manufacturing customers in medical, transport, automotive, Formula 1 and special-purpose machinery sectors needing subcontract precision components for batch production or…
Financial Health
WeakWeak · -5% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures precision engineered components using 5‑axis CNC milling, CNC turning and multi‑axis machining. Produces bespoke machined and turned parts, mould machining and finishing processes for…
Serves B2B engineering and manufacturing customers in rail, automotive, F1 motorsport, aerospace, marine, electronics and process machinery sectors requiring precision machined components and…
Financial Health
StrongStrong
Location
Salmon Electrical Engineering Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong
Location
YELLOWCOG LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
Fenwood Bowen Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures plastic components using vacuum forming and CNC machining. Provides prototyping, tooling, trimming and assembly services, producing industrial covers, trays and custom…
Sells to businesses needing plastic components and formed parts, from family-run firms to blue chip corporations. Serves product development and manufacturing teams in sectors including automotive,…
Financial Health
StableStable · Hiring · 4% CAGR over 4y
Location
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How Portsmouth Automotive companies work and how to sell to them
What they do
Portsmouth automotive suppliers usually earn revenue through repeat trade in parts, repair, conversion, inspection and import support, with some margin also coming from component resale or outsourced fabrication. Pricing tends to be job-based for workshop and modification activity, call-off or account-based for parts distribution, and contract-led where fleet or trade customers need scheduled support. The service shape is often practical and document-heavy: sourcing the right part, fitting or adapting it, recording provenance, and keeping approval evidence in order. Larger engagements tend to follow operational need rather than discretionary purchasing, so reliability, turnaround time and audit trails matter as much as headline price.
Who they sell to
Most sell to local and regional businesses rather than private motorists as a primary motion: fleet operators, logistics and service firms, repair networks, specialist vehicle users, trade buyers, parts resellers and manufacturers needing a local capability. The buyer is usually an operations director, fleet manager, procurement manager, workshop manager, technical lead or finance director, depending on whether the purchase is downtime, compliance or cost driven. Repeat parts and maintenance work can move through direct relationships and trade accounts, while vehicle conversion, import handling or approval-dependent work is more likely to involve quotes, evidence packs and a longer review. Formal RFPs appear more likely where public-sector or larger fleet requirements are involved.
What they buy
Most Portsmouth automotive firms tend to spend on tools that reduce manual handling of stock, jobs, quotes and compliance paperwork. Relevant categories include inventory and parts-catalogue systems, workshop management software, CRM, accounting, billing, payroll, HR, health and safety support, cyber security, insurance, legal advice and technical documentation services. Firms with distribution activity may also buy warehouse systems, barcode processes, trade credit support and courier or freight services. Operators doing modification or import work are more likely to need calibration, testing, inspection, quality management and approval support. Recruitment, technician training and outsourced marketing also fit where the business is trying to win trade accounts beyond word-of-mouth.
Why and how to sell to them
Buying intent often appears when an automotive supplier wins a fleet or trade account, adds a service line, takes on technicians, opens workshop capacity, changes ownership, or starts handling more approval-sensitive work. Pain points tend to be capacity planning, parts availability, warranty exposure, cash tied up in stock, traceability, and the time taken to produce evidence for customers or regulators. Outbound messages usually land better when they connect to downtime, margin leakage or documentation risk rather than generic growth claims. Sellers should segment by activity: a parts distributor will care about stock accuracy and debtor control; a conversion or import specialist will care more about process evidence, approvals and technical records.
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
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