Companies Using Cloudflare in Portsmouth: 504 Active Firms (2026)
Companies using web performance and security services in Portsmouth protect and accelerate public websites across the city economy.
Running a managed edge-security and performance layer usually points to a website that matters operationally, not just a brochure site. Buying responsibility tends to sit across IT, marketing operations and external web agencies: the same stack supports content delivery, bot filtering, uptime protection, analytics hygiene and page-speed work. In Portsmouth, the likely users range from owner-managed service firms to mid-market operators with sales, booking or support journeys online. Engagements are often modest at the start, with domain-level configuration and agency-led maintenance, but they become more technical where customer portals, ecommerce flows or public-sector access requirements make downtime and abuse prevention harder to treat as background tasks.
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Portsmouth has 504 actively trading companies running this web performance and security stack. Reported headcount across the cohort is 3,916 people, which makes adoption visible beyond micro-business web estates but still rooted in smaller employers. Sector mix points to practical local demand: field services and trades account for 17.5% of the cohort, construction for 12.9%, wholesale and distribution for 10.7%, advanced manufacturing for 8.3%, and real estate and property for 6.9%. That pattern fits a city economy where online enquiry capture, quote requests, product catalogues and customer communications need protection without necessarily implying large internal engineering teams.
Procurement for this kind of edge stack is usually shaped by risk tolerance rather than formal sector licensing. Website traffic logs, IP addresses, consent signals and security events can all create GDPR and ICO considerations, especially where marketing tags, contact forms or customer accounts are involved. Public-sector suppliers and regulated service providers also tend to ask for clearer documentation on where traffic is processed, how incidents are escalated and who can change DNS or firewall settings. For smaller Portsmouth operators, the practical control point is often the web agency contract: access rights, retention periods and change approval matter as much as the service subscription itself.
Adoption appears likely to become more normal among Portsmouth firms whose websites carry booking, quotation, account or support workflows. The pressure is less about new web launches and more about keeping older sites tolerable as tracking scripts, spam traffic and security screening accumulate. Smaller companies tend to rely on agencies for configuration, so churn may follow agency preference as much as end-user assessment. Among larger local employers, the direction has been toward tighter governance of domains, access rights and incident response, which should favour vendors and tooling patterns that are easier to audit and change.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
Adoption by company size
Adoption of Cloudflare rises with company size across the trading companies in this cohort. 2.1% of the 16,857 companies with under 10 employees run Cloudflare (357 detected). 16.7% of the 773 companies with 10–50 employees run Cloudflare (129 detected). 27.8% of the 72 companies with over 50 employees run Cloudflare (20 detected). That is a 25.7% gap between the over 50 employees and under 10 employees bands.
504
Active firms
2026
26
Above £5M turnover
Trading firms
6
Median headcount
Filed accounts
1,060
Verified directors
Across this cohort
Top companies using Cloudflare in Portsmouth
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 4 filingsDevelops application delivery controller (ADC) software and load balancing solutions that distribute network traffic, provide reverse proxy and web application firewall protection, enable global…
Targets engineers and IT infrastructure teams in businesses and mission-critical organisations, especially healthcare, object storage and industrial environments needing high-availability application…
Financial Health
HealthyHealthy · -9% CAGR over 3y
Location
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Computed from 5 filingsDevelops and provides cloud-based enterprise software for automotive, truck, bus and equipment businesses. Its A365 platform, built on Microsoft Dynamics 365, integrates ERP, CRM and dealer…
Serves B2B organisations in the automotive, truck and bus, and heavy equipment sectors, including dealers, distributors, OEM-linked operations, rental and fleet businesses, and aftersales/service…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsOperates retail outlets selling Taiwanese-style bubble tea drinks, including fruit teas, milk teas and coffee with toppings such as tapioca and popping boba. Also sells bubble tea kits, toppings,…
Serves UK consumers seeking bubble tea and related merchandise via retail stores, click-and-collect, delivery platforms and an online shop; also addresses prospective franchisees.
Financial Health
StrongStrong · Hiring · 288% CAGR over 3y
Location
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Computed from 5 filingsBrews and sells craft beers including IPAs, pale ales, stouts and seasonal small-batch releases. Operates a brewery and taproom, and sells canned beer, gift boxes and branded merchandise online and…
Serves adult beer consumers ordering online or visiting the Portsmouth taproom, plus trade buyers such as pubs, bars, bottle shops and hospitality venues seeking wholesale pricing.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsProvides third‑party logistics and order fulfillment services for ecommerce and consumer brands, including warehousing, inventory management, pick‑and‑pack, shipping, returns processing, and Amazon…
Serves ecommerce and consumer goods brands needing B2B, D2C, marketplace and Amazon order fulfilment, plus print and imaging resellers buying through a wholesale distribution channel.
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 5y
Location
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Computed from 5 filingsProvides residential estate agency and lettings services, including marketing and sale of homes, rental property management, landlord services, tenant sourcing, and property valuations. Lists…
Serves homeowners, property sellers, landlords, buyers and tenants in South East Hampshire, including Portsmouth, Southsea, Havant, Waterlooville, Fareham, Portchester, Gosport and nearby areas.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 2 filingsProvides prize promotion campaign management for brands and agencies, including prize sourcing, incentive planning, fulfilment, winner management, customer support, and handling of promotional…
Serves agencies, brands and marketing teams running consumer prize promotions, incentive campaigns and employee reward programmes, from campaign support to end-to-end handling.
Financial Health
StrongStrong
Location
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Computed from 4 filingsDevelops and supplies vehicle protection products and aftersales solutions for automotive and motorcycle dealers, including paint protection coatings, ceramic treatments, glass and tyre protection,…
Serves automotive and motorcycle dealerships, dealer groups and aftermarket partners internationally, with end consumers reached through those dealerships.
Financial Health
StrongStrong
Location
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Computed from 3 filingsSupplies recycled and refurbished office furniture and equipment through an online store, including desks, chairs, storage, IT hardware and appliances. Sources surplus business assets and resells…
Sells to businesses and organisations needing office, IT, storage, catering and industrial equipment, with an emphasis on customers in Portsmouth, Hampshire and London seeking reused assets.
Financial Health
HealthyHealthy · -5% CAGR over 2y
Location
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Computed from 3 filingsProvides recruitment and staffing services connecting candidates with employers across sectors including architecture, construction, engineering, energy, technology, facilities management, and…
Serves hiring companies and jobseekers in architecture, construction, engineering, energy, data centres, defence, facilities management, maritime, plant, and water sectors.
Financial Health
HealthyHealthy · -8% CAGR over 2y
Location
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Computed from 5 filingsProvides contact centre and marketing support services for automotive and other sectors, including inbound and outbound call handling, sales and aftersales campaigns, website design and hosting,…
Serves B2B customers, mainly UK automotive businesses of all sizes, plus organisations in financial services and the public sector that need customer contact, digital marketing, CRM, training or…
Financial Health
StableStable · Hiring · 23% CAGR over 4y
Location
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Computed from 5 filingsDevelops software for estate agents that supports property market appraisals, including interactive presentations, local market data integration, digital proposals and agreements, client follow‑up…
Sells to estate agency businesses, including agents and valuers managing market appraisals, client follow-ups and vendor nurturing.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 3 filingsProvides managed IT services including technical support, cloud infrastructure, cybersecurity and compliance management. Supplies and configures hardware and software, offers software licensing, and…
Serves SMEs and local businesses in the south of England that need outsourced IT support, cloud services, security and compliance, hardware, and software licensing.
Financial Health
HealthyHealthy · -5% CAGR over 2y
Location
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Computed from 3 filingsDesigns and manufactures rigid inflatable boats (RIBs) under the Stormforce range for leisure and commercial marine use, including open, canopy and cabin models. Also offers pre-owned boat sales,…
Serves professional mariners, commercial marine operators and leisure boat owners seeking RIBs for work, passenger operations, sea safaris, exploration and adventure, with customers in international…
Financial Health
StrongStrong
Location
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Computed from 3 filingsProvides residential property sales and lettings services, including property marketing, valuations, tenant sourcing, and property management for landlords. Also handles land and new homes sales and…
Serves property sellers, buyers, landlords, tenants, commercial property clients, and land/new-home developers seeking estate agency and lettings support.
Financial Health
HealthyHealthy · -8% CAGR over 2y
Location
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Computed from 4 filingsDevelops software for rail operators including control room systems, revenue protection and enforcement tools, case and appeal management, mobile workforce apps, and reporting dashboards that…
Sells B2B SaaS to UK rail operators and wider transport-sector organisations, especially operations, control room, revenue protection, enforcement, prosecutions, appeals and frontline workforce teams.
Financial Health
StableStable · -75% CAGR over 3y
Location
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Computed from 5 filingsProvides enterprise integration services on Microsoft Azure, connecting business applications and systems to automate data exchange and processes. Supports migration from legacy integration…
Serves enterprises and larger organisations with complex IT estates, especially Microsoft Azure users, businesses migrating from legacy integration platforms, and teams implementing major systems…
Financial Health
HealthyHealthy · Hiring · 49% CAGR over 4y
Location
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Computed from 5 filingsProvides umbrella payroll services for contractors and outsourced payroll solutions for recruiters and businesses. Manages contractor payments, tax and compliance, employee benefits and pensions, and…
Serves individual contractors and recruitment businesses that place contingent workers, including recruiters needing payroll, back-office support, invoice finance and international payroll services.
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 4y
Location
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Computed from 5 filingsSupplies topsoil, compost, manure, bark mulch and aggregates to domestic and trade customers through online orders and delivery. Provides bagged and loose-load soil products, landscaping materials,…
Sells to homeowners and trade customers needing topsoil, compost, manure, mulch and aggregates, including gardeners, landscapers and larger project buyers. Serves customers across Hampshire, West…
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsProvides residential estate agency and letting services, including property sales, tenant sourcing, rental management, property valuations, and marketing of homes, land and new-build developments for…
Serves homeowners, prospective buyers, tenants, landlords and property investors across Lee-on-the-Solent, Gosport, Fareham, Portsmouth and the wider Solent region.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 3 filingsDevelops and operates an online word puzzle platform featuring a daily waffle‑shaped word game, additional puzzle variants, archives, player statistics, and optional supporter access funded through…
Serves consumers who play daily online word and puzzle games, including casual players and supporters who donate for premium access, ad-free use, and saved statistics.
Financial Health
HealthyHealthy · -88% CAGR over 2y
Location
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Computed from 5 filingsProvides mobile vehicle cosmetic repair services, including bumper scuff, scratch, stone chip and minor dent repairs, and alloy wheel refurbishment such as kerb damage and diamond‑cut wheel repairs…
Serves private vehicle owners across the UK and trade buyers, including car dealerships, fleet operators, insurers and rental companies, that need minor cosmetic vehicle repair services.
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
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Computed from 5 filingsProvides international freight forwarding and logistics services, arranging sea, air and road transport of goods. Handles project cargo shipments and manages import and export customs clearance…
Sells to businesses importing and exporting goods, serving companies that need freight forwarding, customs clearance, and international shipping support for cargo moved by sea, road, or air across…
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
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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
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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
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Computed from 5 filingsOwns, develops, manages and lets residential properties designed for student accommodation, including shared houses and flats with one to ten bedrooms. Provides property management and maintenance…
Serves students seeking private rented accommodation in Portsmouth, particularly groups or individuals renting houses and flats in Southsea, with direct landlord relationships rather than…
Financial Health
HealthyHealthy · -60% CAGR over 5y
Location
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Computed from 5 filingsProvides search engine optimisation (SEO) services, including SEO consultancy, website optimisation, keyword research, technical SEO, and digital marketing strategies aimed at improving website…
Serves small and medium-sized businesses, particularly Southampton-area companies with websites and owner-manager or marketing teams buying SEO consultancy.
Financial Health
StrongStrong · Hiring · 46% CAGR over 4y
Location
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Computed from 2 filingsDesigns and delivers brand experience campaigns, including live events, exhibition stands, retail activations and pop‑up installations. Provides concept development, production and sustainability…
Serves B2B brands and larger organisations seeking purpose-led brand experiences, especially companies with sustainability goals. Targets marketing, brand and events teams across sectors including…
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 1y
Location
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Computed from 5 filingsProvides graphic design and branding services alongside website design and development. Also delivers digital marketing, SEO, social media content, copywriting, animation, and preparation of tender…
Serves businesses in Portsmouth, Hampshire and beyond, including local SMEs and organisations in hospitality, healthcare, property, professional services and consumer services.
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
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Computed from 5 filingsProvides building and property maintenance services for residential and commercial properties, including refurbishments, carpentry, brickwork, painting and decorating, kitchen and bathroom…
Serves homeowners, residential property owners, landlords and commercial premises managers in Portsmouth, Southsea and surrounding Hampshire areas.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsProvides cloud computing consultancy for life sciences and biotechnology organisations, advising on multi‑cloud architecture, artificial intelligence integration, cloud cost optimisation, security,…
Serves B2B organisations in life sciences and biotech, targeting technical, data, security and operations teams responsible for cloud infrastructure.
Financial Health
HealthyHealthy · Hiring · 37% CAGR over 4y
Location
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Computed from 4 filingsProvides civil engineering and highways works including road surfacing, patching and construction, highway improvements, utility ducting installation, drainage works, and repairs to highway…
Serves major UK construction and infrastructure contractors, including firms managing highway maintenance, defence estate roads and civil engineering projects.
Financial Health
StrongStrong · 60% CAGR over 2y
Location
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Computed from 5 filingsProvides electrical, mechanical and fabrication services for marine and industrial sectors, including vessel electrical engineering, breakdown repairs, dry dock support, machining of components,…
Serves B2B customers in the marine and industrial sectors, including vessel owners and operators, ports, contractors and site-based engineering teams needing vessel and plant support.
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 4y
Location
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Computed from 3 filingsProvides construction and building services including interior fit‑out, civil engineering works, fire protection system installation, defence sector projects, and property maintenance. Delivers…
Financial Health
StrongStrong
Location
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Computed from 4 filingsDelivers football coaching and participation programmes, youth development pathways, holiday courses and inclusive sports sessions. Also provides sports education courses, school PE programmes,…
Serves children, young people, families, schools, students, disabled participants and community groups in the Portsmouth area, alongside adults interested in walking football, wellbeing and…
Financial Health
StrongStrong
Location
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Computed from 4 filingsProvides executive search and recruitment services for the sports industry, placing senior executives and specialist professionals in sports business and high‑performance roles. Also advises…
Serves B2B clients in the sports sector, including professional clubs, leagues, governing bodies, broadcasters and sports technology firms seeking senior business and high-performance leadership…
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 3y
Location
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Computed from 3 filingsProvides vehicle logistics services including vehicle collection and delivery, fleet reallocation, condition appraisals, secure storage, and export handling. Uses trade plate drivers and tracking…
Serves B2B customers including remarketing and procurement managers, fleet operators, dealerships, and businesses of all sizes needing single-vehicle or fleet movements across the UK.
Financial Health
StrongStrong · Hiring · 41% CAGR over 2y
Location
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Computed from 4 filingsProvides contract cleaning, gardening and grounds maintenance for residential and commercial managed properties. Services include communal area cleaning, window cleaning, lawn and hedge care, weed…
Serves residential and commercial block managers, property management firms and landlords responsible for communal spaces in blocks and managed estates across the South Coast, M25 and London areas.
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 3y
Location
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Computed from 5 filingsDevelops and provides an AI-powered investment software platform that automates stock and ETF portfolio management. The app offers algorithmic portfolio strategies, market signals, and portfolio…
Serves individual retail investors seeking subscription-based portfolio tools for stocks and ETFs, including users with small to mid-sized account balances and varying risk preferences.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
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Computed from 3 filingsDesigns and manufactures interactive entertainment hardware and accessories, including PC and console gaming peripherals, digital audio equipment, and DJ controllers. Products are marketed under…
Serves consumers worldwide, including experienced and casual PC and console gamers, DJs, and digital audio users.
Financial Health
StrongStrong · 0% CAGR over 1y
Location
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Computed from 3 filingsOperates an online platform that compares quotes from vehicle scrap and salvage buyers. Connects car owners with recyclers and dealers, and facilitates the sale and collection of scrap, damaged,…
Sells to UK vehicle owners looking to scrap, recycle or salvage cars, vans and damaged or written-off vehicles. Also serves commercial and fleet owners disposing of business vehicles.
Financial Health
StrongStrong · Growing, Hiring · 40% CAGR over 2y
Location
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Computed from 3 filingsDevelops and operates a cloud-based software platform for energy companies to manage operational data. Enables production allocation, hydrocarbon accounting, emissions tracking, measurement data…
Serves energy companies worldwide, from super-majors to independents, including offshore, onshore, LNG, pipeline and refining operators. Targets production, measurement, emissions and data teams.
Financial Health
HealthyHealthy · Hiring · 29% CAGR over 2y
Location
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Computed from 5 filingsProvides an all‑in‑one software platform for experience and event businesses to build branded websites, sell tickets and packages, process payments, manage bookings, run CRM and marketing campaigns,…
Serves B2B experience operators and creators, including music event organisers, entertainment and competitive socialising venues, and adventure businesses.
Financial Health
StrongStrong
Location
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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
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Computed from 5 filingsSupplies workwear, personal protective equipment, and workplace safety products, including hi‑vis clothing, safety footwear, gloves, respiratory protection, cleaning and hygiene supplies, and site…
Serves B2B and public sector buyers needing workplace safety supplies, particularly logistics operators, food manufacturers, waste and environmental services, and public sector organisations.
Financial Health
HealthyHealthy · Growing, Hiring · 4% CAGR over 4y
Location
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Computed from 5 filingsSells used cars and vans through an online dealership platform. Provides vehicle search, part‑exchange and vehicle valuation services, and arranges motor finance options such as hire purchase and PCP…
Serves private motorists in Portsmouth and Hampshire looking to buy, finance, part-exchange or sell used cars and vans, including buyers seeking automatic or 7-seater vehicles.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
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Computed from 5 filingsSupplies and distributes racquet sports equipment and accessories through retail and wholesale channels. Operates online and trade outlets selling tennis, badminton and squash racquets, strings,…
Serves individual racquet sports players and B2B trade customers, including retailers, clubs and sports organisations seeking branded tennis, badminton, squash and padel equipment.
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
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Computed from 3 filingsProvides taxi and private hire transport services, including local journeys, airport transfers and executive car travel. Operates a fleet of driver-partner vehicles and offers booking via phone and…
Serves consumers and business travellers in Portsmouth and surrounding areas, including local residents, visitors, airport passengers, hotel and seaport users needing taxi, private hire or executive…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
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Computed from 3 filingsProvides driver safety and fleet risk management services, including online driver risk assessments, licence verification, telematics data analysis, and smartphone monitoring. Also delivers driver…
Serves businesses and organisations operating vehicle fleets, including fleet, safety and risk managers responsible for employee drivers, grey fleet users and telematics-enabled driver safety…
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 2y
Location
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Computed from 4 filingsDevelops manufacturing execution system (MES) software for small and mid-sized manufacturers. The platform integrates with ERP systems to plan production, collect machine and shop-floor data, track…
Sells B2B to small and midsize manufacturers in sectors including aerospace, automotive, chemicals, electronics, food and beverage, industrial equipment, life sciences, metal fabrication, plastics,…
Financial Health
HealthyHealthy · -13% CAGR over 3y
Location
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Key facts
About 5% of the trading cohort reports turnover above £5M (26 of 504 firms) — the rest sits below that revenue band.
5% of the cohort was incorporated since 2022 (26 firms), so a sizeable share is in its first few filing cycles.
What else do Cloudflare users run?
Share of the 504 Cloudflare-running UK companies where each technology was also detected. As of June 2026.
Who runs Cloudflare in the UK?
By sector
Sectors overlap, so shares need not sum to 100%.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£494.6K
Median UK turnover
5.2%
Above £5M turnover
26
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 885 companies, alongside financials and websites, in one Excel + CSV file.
How Cloudflare usage is detected
Company data
Detected companies are joined to UK Companies House records and XBRL accounts data. 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.
Detection
Firmbase crawls the public website of actively-trading UK companies and fingerprints the technologies present: tracking scripts, embedded forms, chat widgets, CMS markers and similar signatures. A company is included in this list when one or more of the technology's signatures are found on its site; closely-related variants of the same product are grouped under one name. Detection covers what is visible on the public web — a company using the technology purely internally, with no website footprint, will not appear. Counts are therefore a conservative floor, not a ceiling.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
Cloudflare is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
How many companies in Portsmouth use Cloudflare?
How is Cloudflare usage detected?
What kinds of companies use Cloudflare in Portsmouth?
What do Cloudflare users in Portsmouth also run?
How fresh is this data?
Can I get contact details for these companies?
Buy all 885 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.