Companies Using LinkedIn Ads in Portsmouth: 56 Active Firms (2026)
Portsmouth companies running professional-network advertising tags use paid social campaigns and conversion tracking to reach B2B audiences in the city region.
Paid professional-network advertising usually sits with marketing, revenue operations, or employer-brand teams rather than with general web publishing. The tag on a public site helps match advert exposure to form fills, demo requests, recruitment pages, or other tracked outcomes, so adoption tends to signal a measured B2B go-to-market motion. Portsmouth users are likely to be firms with enough budget for audience segmentation and attribution, but not necessarily large internal media teams; agencies and sales-led operators often handle campaign setup while in-house teams own consent, landing pages, and pipeline reporting.
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Across Portsmouth, 56 active trading companies are running professional-network advertising tags, a small adoption cohort rather than a general business baseline. Total reported headcount stands at 559 people across firms that disclose employment, so the footprint is more about targeted commercial teams than a broad labour market. The company mix is weighted towards service and operational sectors: marketing agencies account for 19.6% of the cohort, advanced manufacturing 14.3%, wholesale and distribution 12.5%, SaaS 10.7%, and management consulting 8.9%.
For companies running professional-network advertising tags, the practical issue is consent and evidence: tracking technologies that store or read information on a device fall within ICO guidance under PECR and data-protection law, while campaign claims, sales promotions, and direct marketing remain within the CAP Code enforced by the Advertising Standards Authority. B2B targeting does not remove those duties, especially where hashed identifiers, remarketing audiences, or conversion events can be linked back to people. The vendor ecosystem tends to push implementation into tag managers and agencies, but accountability stays with the advertiser using the pixel.
Adoption appears tied less to local scale and more to sales motion: firms using account-based outreach, technical content, recruitment marketing, or distributor channels have clearer reasons to keep the tag in place. Some smaller users may rationalise tracking stacks as consent expectations rise and browser-level limits make attribution less tidy. Agencies and consultants should remain part of the operating model, because many adopters lack a dedicated media-operations function. The cohort therefore tends to look selective rather than universal, with uptake concentrated where a professional audience can be matched to identifiable pipeline or hiring outcomes.
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 LinkedIn Ads rises with company size across the trading companies in this cohort. 0.2% of the 16,857 companies with under 10 employees run LinkedIn Ads (27 detected). 2.7% of the 773 companies with 10–50 employees run LinkedIn Ads (21 detected). 1.4% of the 72 companies with over 50 employees run LinkedIn Ads (1 detected). That is a 1.2% gap between the over 50 employees and under 10 employees bands.
56
Active firms
2026
4
Above £5M turnover
Trading firms
8
Median headcount
Filed accounts
127
Verified directors
Across this cohort
Top companies using LinkedIn Ads 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 3 filingsProvides an AI-based market intelligence platform that monitors competitors, products, marketing activity, and financial data. Collects and analyses market information to generate alerts, reports,…
Serves B2B organisations seeking market and competitor intelligence, especially marketing, product, strategy, sales and finance teams responsible for tracking competitors and market trends.
Financial Health
DistressedDistressed
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 filingsOrganises strategy meetings and conferences for the life sciences sector and provides business development consulting, talent acquisition and executive search services. Connects pharmaceutical,…
Serves B2B life sciences organisations, including pharmaceutical and biotech companies, service providers, senior R&D, clinical and CMC leaders, business development teams, and healthcare investors.
Financial Health
WeakWeak
Location
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Computed from 3 filingsProvides IT and telecommunications services for businesses, including cloud phone systems, Microsoft Teams telephony, business mobiles, broadband and leased lines, WiFi networks, data cabling…
Serves UK businesses and organisations of varying sizes, including education providers, NHS/healthcare bodies, construction firms, charities, care homes and sports facilities.
Financial Health
StableStable · Hiring · 11% CAGR over 2y
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 4 filingsSupplies CCTV and video surveillance equipment, access control systems, intruder alarms, and related security products through an online store, including cameras, recorders, detectors, intercoms,…
Sells B2B to security installers, electrical contractors and trade buyers across the UK needing CCTV, access control, intruder alarm, networking, lighting and related security products.
Financial Health
StrongStrong · -90% CAGR over 2y
Location
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Computed from 5 filingsProvides creative production and management of corporate events, experiential marketing activations and brand campaigns. Services include event concept development, content production, event…
Serves B2B and public-sector clients, including brands, international corporations and government bodies, particularly marketing, communications and leadership teams running brand experiences,…
Financial Health
DistressedDistressed
Location
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Computed from 5 filingsProvides recruitment services for high technology and engineering sectors, sourcing and placing candidates in roles such as design engineering, data, manufacturing, and technical development for…
Serves high-technology and engineering employers, including startups, scale-ups, OEMs and manufacturers, plus technical candidates in design, development, manufacturing, data, aerospace and…
Financial Health
StableStable · -3% CAGR over 4y
Location
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Computed from 5 filingsProvides contract research services to pharmaceutical and biotechnology companies, including clinical trial management, bioavailability and bioequivalence studies, regulatory affairs support,…
Serves pharmaceutical, biotech and medical device sponsors worldwide, plus government health agencies and non-profit foundations involved in clinical development, regulatory, pharmacovigilance, data…
Financial Health
StrongStrong
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 4 filingsDevelops software for local authorities to manage and quality‑assure Education, Health and Care Plans (EHCPs) for children with special educational needs and disabilities. Provides automated…
Serves UK local authorities and SEND professionals responsible for EHCPs, annual reviews and related education plans, including teams overseeing looked-after children and educational psychology input.
Financial Health
StableStable · Hiring · 22% CAGR over 3y
Location
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Computed from 4 filingsDevelops and supplies computer memory and storage products including DRAM modules, solid‑state drives, external SSDs, USB flash drives and memory cards, as well as mobile power banks and related…
Serves consumers, PC builders, system upgraders and business/industrial buyers globally seeking compatible memory, storage and power products for computers, devices and embedded or industrial…
Financial Health
WeakWeak · -78% CAGR over 3y
Location
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Computed from 3 filingsDevelops AI-based software for managing employee compensation decisions. The platform provides pay equity audits, compensation recommendations, and tools for pay gap reporting, regulatory compliance,…
Serves large enterprises, particularly HR, total rewards, compensation, people analytics and compliance teams responsible for pay equity, hiring offers, pay reporting and transparency obligations.
Financial Health
WeakWeak · Hiring · 145% CAGR over 2y
Location
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Computed from 5 filingsProvides outsourced call handling and customer communication services for businesses, including 24/7 telephone answering, virtual reception, overflow and out‑of‑hours support, order taking,…
Serves medium and large UK and international organisations, including businesses, public sector bodies and charities in funeral services, property maintenance, IT services and professional practices.
Financial Health
DistressedDistressed · -17% CAGR over 4y
Location
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Computed from 5 filingsProvides contract research services to pharmaceutical, biotechnology and medical device organisations, including clinical trial management, bioavailability and bioequivalence studies, regulatory…
Serves global pharma, biotech and medical device sponsors, plus government agencies and non-profits involved in clinical development, regulatory, pharmacovigilance and post-market programmes.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides software quality assurance and testing services, including AI‑augmented functional testing, automated testing, performance, security and accessibility testing, test data management, and…
Serves enterprises and public sector organisations with software products, including banking and insurance, retail, legal, healthcare/pharma, logistics, utilities, railway, entertainment and software…
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides subscription-based online databases of global vehicle safety, emissions and technical regulations. Collects, translates into English, and updates regulatory documents and implementation…
Serves vehicle OEMs, automotive component manufacturers and suppliers to the vehicle manufacturing industry, especially homologation, certification, type approval, design, engineering, regulations…
Financial Health
StableStable
Location
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Computed from 5 filingsProvides digital agency services including website design and development, social media management, digital marketing campaigns, paid media, and production of creative content and campaign assets for…
Serves B2B brands and marketing teams across technology, hospitality, sports and betting, consumer goods, fintech and professional services, including larger organisations seeking agency support for…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsDesigns and supplies safety gloves and disposable protective gloves for industrial and workplace use. Offers product ranges such as cut‑resistant gloves and the TraffiSystem classification system,…
Sells to business and individual buyers purchasing safety gloves and disposable hand protection online, including workplace safety and procurement customers seeking product guides, compliance…
Financial Health
StrongStrong · Hiring · 13% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and staffing services for safety‑critical industries, sourcing and placing skilled professionals in technical, engineering and operational roles, and supporting employers and…
Serves employers and candidates in safety-critical industries across the UK, EU and US, including businesses hiring specialist talent in regulated sectors.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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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 3 filingsProvides outsourced back‑office services and funding for recruitment agencies, including payroll processing, contractor and client management interfaces, compliance support, and cash‑flow funding to…
Targets recruitment agency owners and leaders, from start-ups to multi-million-pound SMEs, including niche recruiters, contractor recruiters and permanent-placement agencies in the UK and beyond.
Financial Health
DistressedDistressed · -15% CAGR over 2y
Location
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Computed from 5 filingsProvides IT support, cybersecurity services, and technology consultancy for businesses. Supplies hardware, software licensing, cloud infrastructure, and networking solutions, and offers web…
Serves businesses and charities needing outsourced support across IT, cyber security, connectivity, digital marketing, web/eCommerce and design, including organisations managing Microsoft…
Financial Health
WeakWeak · Hiring · 9% CAGR over 4y
Location
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Computed from 4 filingsOrganises industry events for a professional membership community, including conferences, exhibitions, workshops and awards ceremonies. Events bring members and vendor partners together for…
Serves B2B technology channel businesses, including member companies and vendor partners seeking peer networking, industry events and commercial opportunities.
Financial Health
DistressedDistressed · -12% CAGR over 4y
Location
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Computed from 4 filingsProvides electronic design automation (EDA) tools, support, and consulting for semiconductor development, focusing on custom IC, analog and mixed‑signal verification, physical verification, MEMS and…
Serves European semiconductor and electronics businesses, especially start-ups, SMEs and engineering teams designing custom IC, analog/RF mixed-signal, MEMS and photonic IC devices.
Financial Health
HealthyHealthy · -8% CAGR over 5y
Location
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Computed from 3 filingsSupplies electronic components and connectivity hardware for IoT and embedded systems, including cellular, GNSS, Wi‑Fi and LoRa modules, antennas, gateways, batteries and edge computing devices. Also…
Serves OEMs, electronics manufacturers and engineering teams in the UK and Ireland developing IoT, wireless, embedded, positioning and smart metering products.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides custom software development and IT consulting, including web and mobile application development, embedded systems engineering, industrial process automation, IoT solutions, cloud…
Serves B2B organisations with operational, production or platform requirements, including industrial manufacturers, engineering firms, agri-food operators, utilities, energy companies, SaaS ventures…
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 5y
Location
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Supplies workwear, high‑visibility clothing, safety footwear, gloves, and personal protective equipment, alongside cleaning, hygiene, and workplace safety products. Distributes these workplace…
Serves UK businesses and public sector organisations, particularly in logistics, infrastructure, food manufacturing, facilities management, and waste and environmental services, including teams…
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Computed from 4 filingsProvides business telecommunications services including mobile phone plans, hosted VoIP systems, virtual landlines, SIP trunks and fixed-line broadband. Offers integrated voice and internet…
Serves UK businesses of varying sizes, from start-ups and scaling mid-size teams to nationwide enterprises, including organisations with hybrid teams, multiple locations, and business telecoms needs.
Financial Health
StrongStrong · Growing · 1% CAGR over 3y
Location
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Computed from 5 filingsProvides digital and direct marketing services including website development, search engine optimisation, pay‑per‑click advertising, social media management, review monitoring and management, and…
Serves B2B clients and brand owners seeking to grow their audience, improve digital visibility, and manage customer reviews across online and direct marketing channels.
Financial Health
WeakWeak · -16% CAGR over 4y
Location
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Computed from 2 filingsProvides a cloud-based learning management system (LMS) and online training courses for organisations. Offers CPD-certified e-learning in areas such as health and social care, health and safety,…
Serves B2B organisations needing workforce training and compliance management, including health and social care employers, plus HR and L&D teams seeking e-learning, LMS tools, and staff development…
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides public relations and communications consultancy for consumer and B2B organisations. Services include PR strategy, media relations, digital PR, branding, content marketing, website and design…
Serves consumer and B2B organisations nationally, including clients in travel and tourism, retail and lifestyle, built environment, technology, professional services, manufacturing and R&D.
Financial Health
StableStable · -6% CAGR over 5y
Location
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Computed from 5 filingsDesigns and manufactures industrial data communication and networking equipment, including Ethernet switches, routers, gateways, wireless devices, media converters and fibre‑optic modems. Also…
Serves B2B industrial and infrastructure customers, including rail operators, energy utilities, maritime and offshore firms, water and wastewater organisations, and engineers responsible for…
Financial Health
WeakWeak · Hiring · 5% CAGR over 4y
Location
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Computed from 2 filingsDesigns and supplies safety gloves and disposable protective gloves for industrial and workplace use. Offers product ranges including cut‑resistant and task‑specific gloves, with product information,…
Serves businesses and individual buyers purchasing workplace PPE, including procurement, health and safety, and operations teams that need safety gloves and disposable hand protection.
Financial Health
StableStable · 0% CAGR over 1y
Location
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Computed from 4 filingsProvides consultancy and training for B2B organisations on social selling and employee advocacy. Designs LinkedIn enablement programmes that train executives and staff to build personal brands, share…
Serves global B2B organisations, especially enterprise marketing, sales, talent acquisition and employer brand teams, plus executives and subject matter experts involved in LinkedIn-based employee…
Financial Health
HealthyHealthy · 1% CAGR over 3y
Location
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Computed from 3 filingsSupplies pressure care equipment including mattresses, beds, seating, bariatric equipment, cushions, and fall protection products for healthcare settings. Also provides servicing and maintenance,…
Sells to healthcare and care-sector organisations, including the NHS, care home groups, hospices, community equipment providers and other care providers. Targets clinical and procurement teams…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Computed from 3 filingsProvides healthcare services to NHS trusts and other organisations, including primary and urgent care provision, elective care support, custody healthcare, and workplace wellbeing services such as…
Serves NHS trusts, private healthcare providers and public sector partners, plus employers seeking workplace wellbeing, ADHD assessment and virtual GP support for their workforces.
Financial Health
StableStable · Profitable
Location
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Computed from 5 filingsProvides product design, engineering, sourcing, and manufacturing services for companies developing physical products. Supports design for manufacturing, materials and electronics development, and…
Serves B2B companies developing physical products, including hardware, electronics, industrial equipment and consumer product firms with concepts, prototypes or production-ready designs needing…
Financial Health
StableStable · -71% CAGR over 4y
Location
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Computed from 5 filingsProvides consulting and programme management services for governments, businesses and investors, including strategy development, impact investment, supply chain management, and delivery of…
Serves governments, public-sector bodies, private businesses and investors across global development, infrastructure, climate, health, education, governance, energy, mining and sustainable investment…
Financial Health
WeakWeak
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Computed from 5 filingsProvides workplace strategy, office design and architecture services, with in‑house project management for office fit‑out, refurbishment and relocation projects. Also conducts property evaluation and…
Serves businesses and organisations planning office workspace changes, including corporate office occupiers in finance, gaming, publishing, telecoms and property across London and the South.
Financial Health
DistressedDistressed
Location
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Computed from 5 filingsDesigns, manufactures, supplies and installs commercial and industrial door systems including high‑speed, sliding, hinged and fire doors, and loading bay equipment. Provides project specification,…
Targets B2B operators of specialist industrial facilities, particularly UK food and pharmaceutical companies with hygiene or temperature-controlled environments, and main contractors delivering…
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsDesigns, manufactures and supplies exterior LED and solar lighting systems, including street lights, amenity lighting, floodlights, bollards and wall‑mounted luminaires. Provides OEM manufacturing…
Serves B2B buyers needing exterior LED and solar lighting, including lighting suppliers seeking OEM supply, plus clients commissioning street, amenity, flood and bollard lighting projects in the UK…
Financial Health
StableStable · -57% CAGR over 4y
Location
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Computed from 5 filingsDistributes aircraft parts and components for commercial and business aviation, including airframe, engine, electrical and interior products. Provides supply chain services such as AOG support,…
Sells to B2B aviation customers and suppliers, including airlines, MRO providers, OEMs and other aircraft parts buyers needing airframe, engine, flight deck, cargo and interior components, with an…
Financial Health
StableStable · -71% CAGR over 4y
Location
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Computed from 5 filingsSupplies electrical connectors and interconnect systems, including circular and rugged connectors, cable assemblies, and fibre‑optic products for transferring data, signals and power. Also develops…
Serves B2B customers including OEMs, equipment manufacturers and engineering/procurement teams in defence, medical, industrial and rugged electronics markets, plus specialist distributors.
Financial Health
StableStable · -4% CAGR over 4y
Location
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Computed from 5 filingsSupplies equipment and solutions for electronic device programming, tape‑and‑reel packaging, carrier tape forming, and board testing. Provides in‑circuit test and in‑system programming systems,…
Serves B2B electronics manufacturers, semiconductor and component distributors, and production engineering teams handling component programming, packaging and board-test workflows, from prototype…
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
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Computed from 5 filingsDesigns and supplies boiler drum level monitoring equipment for power generation and petrochemical plants, including electronic level indicators and switches, direct water level gauges, conductivity…
Serves industrial B2B customers worldwide, including power plants, petrochemical and refinery operators, manufacturers, and OEM/EPC contractors involved in boiler and plant projects.
Financial Health
StrongStrong · Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsManufactures private‑label soups, sauces, salsas, dips, marinades and prepared meals. Provides recipe development, contract manufacturing and co‑packing, producing frozen and fresh kettle‑cooked…
Serves B2B food brands, retailers, food service operators, healthcare providers and industrial food markets needing private-label or co-packed soups, sauces, meals and related packaged foods.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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35 more companies and their verified directors are in the file
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Key facts
About 7% of the trading cohort reports turnover above £5M (4 of 56 firms) — the rest sits below that revenue band.
5% of the cohort was incorporated since 2022 (3 firms), so a sizeable share is in its first few filing cycles.
62.5% of Portsmouth-area users also run a tag-management system, while 51.8% run website analytics, suggesting paid-social activity is usually tied to conversion measurement.
Marketing agencies account for 19.6% of the cohort, followed by advanced manufacturing at 14.3%, wholesale and distribution at 12.5%, SaaS at 10.7% and management consulting at 8.9%.
The UK digital ad market reached £40.5 billion in 2025, up 10% year-on-year.
The Advertising Association/WARC Expenditure Report recorded £42.6 billion of UK ad spend in 2024, with online formats growing 13.2% and accounting for “£4 in every £5” of ad budgets.
Tracking tags and direct marketing sit under the CAP Code, PECR and data-protection law; the ICO notes cookie guidance is under review after the Data (Use and Access) Act 2025 came into law on 19 June 2025.
What else do LinkedIn Ads users run?
Share of the 56 LinkedIn Ads-running UK companies where each technology was also detected. As of June 2026.
Who runs LinkedIn Ads 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.
8
Median headcount
£647.5K
Median UK turnover
7.1%
Above £5M turnover
3
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 82 companies, alongside financials and websites, in one Excel + CSV file.
How LinkedIn Ads 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.
LinkedIn Ads is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
LinkedIn Ads elsewhere
Frequently asked questions
How many companies in Portsmouth use LinkedIn Ads?
How is LinkedIn Ads usage detected?
What kinds of companies use LinkedIn Ads in Portsmouth?
What do LinkedIn Ads users in Portsmouth also run?
How fresh is this data?
Can I get contact details for these companies?
Buy all 82 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.