B2B Companies Using Outbrain in the UK: 56 Active Firms (2026)
B2B companies using native advertising technology sell products or services to other organisations, in a UK market governed by ICO marketing rules.
Buying responsibility usually sits with growth, demand-generation and content teams rather than IT alone. The tag turns editorial articles, comparison pages and white-paper journeys into paid distribution and retargeting inventory, so adoption tends to signal a measurable direct-channel motion: landing-page testing, audience segmentation, conversion tracking and budget ownership outside pure brand marketing. In B2B settings, companies running this native-advertising technology are usually trying to reach identifiable buying committees for software, services, media, telecoms or finance offers. Engagements are rarely just a media experiment; they imply consent management, analytics governance and a commercial team willing to attribute pipeline to content-led acquisition.
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Only 56 actively trading UK B2B companies are detected running this native-advertising tag, which keeps adoption narrow relative to broader paid-search and professional-network advertising tools. Reported employment totals 1,389 people across organisations with headcount disclosed, so the footprint is closer to lean commercial operators than large-enterprise deployment. Within detected advertising technologies for the B2B sector, the tag sits in the long tail at 0.6% of the category. Registered addresses skew towards London, at 44.6% of the cohort, with the South East adding 19.6%; that pattern fits a buyer base weighted towards services, software and media-led demand generation.
B2B marketers using native-advertising tags sit under activity-specific rules rather than a single sector licence. The underlying offer can bring in financial-services, telecoms, data-processing or professional-services obligations, while acquisition activity is shaped by ICO guidance, PECR and UK GDPR. PECR covers direct marketing by live or automated calls, electronic mail and fax; its electronic-mail consent rule does not apply to corporate subscribers, but senders must identify themselves and provide a valid opt-out route. Live B2B calling also requires screening against CTPS and TPS, with objections honoured.
Adoption appears likely to remain selective. Native discovery suits B2B suppliers with advice-led content, repeatable landing-page journeys and enough margin to test paid traffic beyond search and social channels. It is less obviously suited to firms that rely on partner referrals, tenders or long account-based selling with limited public content. Privacy expectations also push the stack towards cleaner consent journeys, clearer sender identity and better suppression processes. As marketing suites bundle more audience targeting and attribution, standalone native placements may be used more tactically, especially by firms trying to diversify demand generation without rebuilding their website stack.
Adoption by company size
Adoption of Outbrain rises with company size across the trading UK B2B companies in this cohort. 0% of the 76,784 companies with under 10 employees run Outbrain (33 detected). 0.1% of the 31,788 companies with 10–50 employees run Outbrain (21 detected). 0.1% of the 3,773 companies with over 50 employees run Outbrain (2 detected). That is a 0.1% gap between the over 50 employees and under 10 employees bands.
56
Active firms
2026
0.6%
Of detected Advertising share
UK B2B
8
Median headcount
Filed accounts
126
Verified contacts
Across this cohort
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Key facts
About 8% of the trading cohort reports turnover above £5M (5 of 56 firms) — the rest sits below that revenue band.
8% of the cohort was incorporated since 2022 (5 firms), so a sizeable share is in its first few filing cycles.
Within B2B firms with a detectable advertising system, this native-advertising system accounts for 0.6% (56), behind the largest paid-search and social-ad systems at 53.2% (4,593) and 47.9% (4,136).
Registered offices are concentrated in London, which accounts for 44.6% (25), followed by the South East at 19.6% (11).
Web-stack overlap points to content-led acquisition: 67.9% (38) of the cohort run a content-management system, while 57.1% (32) also show tag-management technology.
The tag mix leans towards software and agency models: SaaS accounts for 28.6% (16) and marketing agencies for 21.4% (12), with field services and trades at 16.1% (9).
ICO guidance says PECR covers direct marketing by live or automated calls, electronic mail and fax; corporate-body emails or texts do not need PECR consent, but identity and opt-out requirements still apply.
Advertising market share among UK B2B
Share of the 8,627 UK B2B with a detectable system. As of June 2026.
What else do Outbrain-running B2B run?
Share of the 56 Outbrain-running UK companies where each technology was also detected. As of June 2026.
Where Outbrain B2B are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
8
Median headcount
£783.6K
Median UK turnover
8.9%
Above £5M turnover
5
Incorporated since 2022
126 verified decision-maker contacts
across these 56 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK B2B using Outbrain
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 5 filingsProvides B2B marketing data, lead generation and campaign services, including content syndication, intent data, digital advertising, and audience targeting tools. Also supplies administrative,…
Sells to B2B marketing and sales teams seeking pipeline growth, especially marketers targeting specific accounts and decision-makers. Serves businesses using demand generation, account-based…
Financial Health
StableStable · -46% CAGR over 5y
Location
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Provides B2B demand generation and account-based marketing services, including content syndication, email outreach, LinkedIn and programmatic advertising, connected TV and audio ads, and B2B data and…
Serves B2B marketing and revenue teams at companies running account-based marketing and demand generation campaigns, targeting key decision-makers and buying groups across global in-market accounts.
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 5 filingsDevelops and operates a digital advertising platform that enables advertisers and publishers to buy and sell ad inventory using contextual analysis and attention metrics, delivering brand-safe ads…
Serves advertisers, media agencies, publishers, and adtech platforms/partners seeking privacy-forward contextual digital advertising, CTV/video inventory monetisation, brand safety and…
Financial Health
WeakWeak · -57% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsDevelops an AI video generation platform that creates talking avatar videos and interactive digital agents from text, documents, or images. Provides tools and APIs for multilingual video production,…
Serves enterprises and business teams in marketing, sales, customer experience, learning and development, plus developers and platforms needing API-based visual AI capabilities for large-scale…
Financial Health
StableStable · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsDevelops AI-based conversation intelligence and sales enablement software. Platform provides call recording and analysis, sales content management, training and coaching tools, AI role‑play, and…
Serves B2B revenue teams, including sales, marketing, sales enablement, and learning and development functions, across financial services, life sciences, high tech, and manufacturing.
Financial Health
WeakWeak · -10% CAGR over 2y
Location
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Computed from 3 filingsProvides account-based marketing services for enterprise clients including 1:1 and 1:few campaigns, demand and lead generation, account selection, marketing technology integration, sales enablement,…
Serves B2B mid-market and enterprise sales and marketing teams, especially in industrial manufacturing, technology, SaaS, cybersecurity, medical/pharmaceutical and financial services sectors.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
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Computed from 3 filingsProvides marketing dashboard and analytics software that integrates data from multiple platforms. Enables teams to centralise, visualise, and share marketing, sales, and business performance metrics,…
Serves B2B marketing, sales and customer success teams, with named segments including ecommerce, SaaS, marketing agencies and financial services businesses.
Financial Health
HealthyHealthy · -42% CAGR over 2y
Location
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Computed from 5 filingsOperates a digital advertising platform that delivers and manages campaigns across websites, mobile apps, and connected TV. Provides ad formats, creative production, audience data, and performance…
Serves B2B customers: brand advertisers and marketing teams, plus premium media owners, publishers and OEMs, across open-internet digital advertising channels.
Financial Health
StableStable · Hiring · 5% CAGR over 4y
Location
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Computed from 5 filingsDevelops cloud-based resource management and scheduling software for teams and projects. The platform provides capacity planning, staff and equipment scheduling, leave management, timesheets,…
Serves B2B teams managing people, equipment and project capacity, including agencies, consultancies, construction, engineering and IT organisations, with buyers such as project, operations and…
Financial Health
StableStable · Hiring · 17% CAGR over 4y
Location
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Computed from 4 filingsProvides software platform for customer communication management, document generation and delivery, enterprise content management, and intelligent document processing, enabling organisations to…
Serves large enterprises and corporations with high-volume customer communications and document-intensive operations, including banks, insurers and other digital enterprises; buyers include business,…
Financial Health
StableStable · -13% CAGR over 3y
Location
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Computed from 3 filingsDevelops software tools and platforms for IBM i application modernization and low‑code development. Products support building web, mobile and desktop applications, converting green‑screen systems,…
Sells B2B to enterprise IT teams and developers in organisations running IBM i/AS/400 systems, plus software partners serving business application modernisation and integration needs.
Financial Health
WeakWeak · -89% CAGR over 2y
Location
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Provides a spend management platform that links corporate credit cards with software for tracking expenses, collecting receipts, processing invoices, and reconciling transactions. Includes budgeting…
Sells to finance teams, CFOs and operations leaders at businesses managing corporate card spend, expenses, invoices and multi-entity or cross-border operations, with integrations for ERP, HRIS and…
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Computed from 4 filingsDevelops and delivers cloud-based enterprise resource planning (ERP) software via a SaaS platform. Provides integrated applications for finance, HR, asset management, budgeting, analytics, and…
Serves public-sector and enterprise organisations, including councils, universities, government agencies, health and community providers, asset-intensive operators, and financial/corporate…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 3y
Location
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Computed from 5 filingsDevelops and provides cloud-based accounting software for small businesses and accountants. The platform supports bookkeeping, invoicing, expense tracking, VAT returns, payroll management, payment…
Sells to UK small businesses needing accounting, bookkeeping and payroll support, and to accountancy practices managing client accounts through partner tools.
Financial Health
HealthyHealthy
Location
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Computed from 3 filingsDevelops and provides supply chain software and digital logistics solutions, including warehouse management, transportation and yard management systems, parcel logistics platforms, and SAP‑based…
Serves B2B organisations with complex supply chains, including manufacturers, logistics and warehousing operators, parcel and postal networks, and enterprises using SAP supply chain systems.
Financial Health
WeakWeak · -8% CAGR over 2y
Location
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Computed from 5 filingsProvides ethics and compliance training, software platforms, and advisory services for organisations. Offers courses on anti‑bribery, data privacy, financial conduct and workplace behaviour, plus…
Sells to businesses and regulated organisations of all sizes seeking ethics and compliance programmes, including legal, compliance, HR and risk teams in sectors such as financial services and…
Financial Health
HealthyHealthy · Hiring · 36% CAGR over 4y
Location
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Provides cybersecurity incident response and breach recovery services, specialising in ransomware attacks. Offers system restoration, infrastructure assessments, cyber resilience planning, asset…
Serves mid-market and enterprise organisations across industries, including Fortune 500 companies and law firms, targeting IT, security, legal and risk teams responsible for cyber incident readiness.
Financial Health
N/AN/A
Location
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Computed from 5 filingsProvides a secure cloud-based collaboration platform that enables organisations to create online workspaces for teams and external stakeholders. Features include document management, task management,…
Serves public sector organisations, enterprises and not-for-profits needing to involve internal teams, external stakeholders, partners, clients and suppliers in cross-organisation projects.
Financial Health
HealthyHealthy · -7% CAGR over 4y
Location
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Computed from 5 filingsProvides cloud-based e-commerce ERP platform that integrates product data management, multichannel marketplace and shop integrations, order processing, inventory and warehouse operations, customer…
Serves e-commerce retailers and brands of all sizes, from small and medium businesses to large enterprises, that sell through online shops, marketplaces and other digital channels.
Financial Health
WeakWeak · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsCreates data‑driven content marketing campaigns for brands, producing research studies, data analyses, and visual stories designed to attract media coverage and backlinks. Develops shareable online…
Serves B2B and consumer brands, from startups to Fortune 500 companies, especially marketing, SEO and digital PR teams in technology, software, lifestyle, home, careers, plumbing and related sectors.
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsProvides search engine optimisation services for businesses, including technical SEO, AI search optimisation, link building, guest posting, digital PR, content marketing, copywriting and SEO audits…
Serves businesses worldwide, from SaaS startups and growing brands to large enterprises and S&P 500 companies, across multiple sectors seeking organic search and AI visibility support.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing and branding services including content marketing, marketing strategy, website design, performance advertising, social media management, email marketing and public…
Serves mission-driven brands and growth-focused businesses, selling to founders and marketing teams seeking an external agency partner for brand, content, social, web, PR, email and performance…
Financial Health
StableStable · Hiring · 28% CAGR over 5y
Location
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Computed from 5 filingsDevelops and provides the SafeZone platform, a cloud‑based safety and emergency management system that enables organisations to monitor people’s locations, receive alerts, manage incidents, and…
Sells to B2B and public sector organisations responsible for duty of care and incident response, especially higher education institutions, healthcare providers, government agencies, global…
Financial Health
StableStable · -65% CAGR over 4y
Location
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Computed from 3 filingsDevelops and supplies library, archive and museum management software, including library management systems, collections management, discovery and digital preservation tools. Also provides system…
Serves libraries, archives, museums and organisations with specialist information centres or knowledge bases, including corporate and cultural institutions worldwide that manage collections, records…
Financial Health
StableStable · 0% CAGR over 2y
Location
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Provides supply chain technology and services including warehouse automation systems, palletizing and conveyor equipment, parcel and postal sorting solutions, and supply chain software. Also offers…
Serves B2B enterprises with complex supply chains, including manufacturers, warehouse and distribution operators, logistics providers, parcel carriers and postal organisations.
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Computed from 5 filingsDevelops logistics software and operates a network platform that converts retail and commercial spaces into parcel pickup, drop‑off and micro‑fulfilment hubs. Provides carrier‑agnostic tools for…
Serves B2B logistics and retail organisations, including international postal carriers, parcel couriers, on-demand delivery operators, and retailers with or without physical store networks.
Financial Health
DistressedDistressed · -72% CAGR over 4y
Location
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Computed from 5 filingsProvides a video production platform and services for businesses, including portable filming kits, cloud tools to upload, edit and review footage, animation production, AI video messaging, training,…
Serves businesses and enterprise brands across sectors, especially teams responsible for sales, internal communications, onboarding, change announcements and marketing.
Financial Health
DistressedDistressed · -17% CAGR over 4y
Location
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Computed from 5 filingsProvides branding and marketing services for businesses, including graphic design, website design, social media management, video production, and website hosting. Supports companies with brand…
Serves established B2B service-based businesses with £500k-£10m turnover, busy founders and marketing teams, high-growth startups, and public sector organisations needing brand and marketing support.
Financial Health
WeakWeak · Hiring · 3% CAGR over 4y
Location
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Computed from 2 filingsDevelops and executes digital engagement and fundraising campaigns for corporations, non-profits and advocacy groups. Services include campaign strategy, grassroots mobilisation, customer engagement,…
Serves corporations, nonprofits, advocacy organisations and political campaigns, with buyers including fundraising, communications, marketing, advocacy and digital teams.
Financial Health
StableStable · 6% CAGR over 1y
Location
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Computed from 5 filingsDevelops AI software for civil infrastructure asset management. The platform analyses inspection images and data to identify defects, assess asset condition, and support maintenance planning and…
Serves county engineers, state Departments of Transportation, public works agencies, civil infrastructure owners and engineering firms managing bridges, culverts, seawalls, roads and other critical…
Financial Health
StrongStrong
Location
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Computed from 4 filingsProvides mergers and acquisitions advisory, accountancy, tax planning, and legal services to startups and SMEs. Supports fundraising, corporate governance, R&D tax relief claims, share option…
Serves fast-growth startups and SMEs in the UK, including founders, investors, management teams and stakeholders from formation through fundraising, scaling and exit.
Financial Health
StableStable · Hiring · 13% CAGR over 3y
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Computed from 5 filingsProvides IT support, cybersecurity services, web hosting, and telecommunications including broadband, leased lines, and telephone systems. Also offers web design and marketing services, and supplies…
Serves SMEs and organisations seeking outsourced IT, cyber security, communications, hosting, marketing and IT procurement support, with Bristol and nearby areas emphasised.
Financial Health
StableStable · Hiring · 31% CAGR over 4y
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Computed from 3 filingsProvides marketing services for construction and industrial brands, including market strategy, brand development, creative campaigns, digital marketing and public relations. Uses audience insight and…
Serves B2B construction and industrial brands, including businesses across the construction value chain such as building products, drainage, fire safety and related sector suppliers.
Financial Health
WeakWeak · -10% CAGR over 2y
Location
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Computed from 5 filingsDevelops blockchain-based software for financial institutions, including systems for liquidity management, interbank and cross‑border payments, digital cash and deposit tokens, and platforms…
Serves financial institutions, including banks, central banks and treasury/transaction services teams, plus market participants involved in interbank payments, FX settlement, digital cash, collateral…
Financial Health
WeakWeak · Hiring · 5% CAGR over 4y
Location
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Computed from 5 filingsDevelops artificial intelligence software for healthcare that records and analyses clinician‑patient conversations, generating medical documentation, clinical notes and structured data to support…
Targets hospitals, health systems and other healthcare providers, with buyer groups including clinicians, nursing teams and revenue cycle leaders responsible for clinical documentation, patient…
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
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Computed from 3 filingsProvides e-commerce marketing and consultancy services including strategy development, analytics, project management and technology integration. Offers web development, conversion rate optimisation,…
Serves eCommerce business owners and online retailers, including SMEs and larger retailers in sectors such as fashion, automotive parts, bathrooms, flooring, furniture, home design and children’s…
Financial Health
DistressedDistressed · -16% CAGR over 2y
Location
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Computed from 3 filingsProvides leadership development and organisational consulting services, including executive and team coaching, mentoring, and training programmes. Also offers digital learning tools, speaker…
Serves large global enterprises, including Fortune 100 and Fortune 500 companies, targeting senior leaders, leadership teams, HR and organisational development functions seeking executive coaching…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides managed IT services including helpdesk support, system onboarding, cybersecurity and compliance, security awareness training, and IT consultancy. Implements and supports platforms such as…
Serves businesses and organisations in the UK and beyond, especially London-based teams seeking outsourced IT operations, employee support, Microsoft/Google workplace administration, and security…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
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Computed from 5 filingsProvides managed IT support and cybersecurity services for businesses, including device and network monitoring, cloud services, Microsoft 365 management, backup and disaster recovery, email and…
Serves SMBs across Lancashire and the North West, including accountancy, legal, professional services, manufacturing, private healthcare, leisure and tourism businesses.
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 4y
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Computed from 5 filingsProvides insurance broking, claims support and risk management services. Arranges commercial and specialist insurance programmes for sectors including construction, retail, manufacturing, transport…
Serves corporate and global businesses, SMEs and private clients, including high-net-worth individuals, across sectors such as food and drink, retail, leisure, construction, life sciences,…
Financial Health
StableStable · -67% CAGR over 4y
Location
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Computed from 4 filingsProvides public relations and marketing services for the video games industry, including media relations, influencer marketing, social media management, campaign strategy, research, content creation,…
Serves video game publishers, developers and games-focused technology companies, covering B2C game launches for PC, console and mobile audiences and B2B campaigns targeting buyers within the global…
Financial Health
HealthyHealthy · -2% CAGR over 3y
Location
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Computed from 5 filingsDevelops software tools for email recovery, password recovery, and data conversion, including utilities that convert and migrate Outlook, Exchange, Lotus Notes and other email formats, repair PST/OST…
Targets lenders, financial services firms and other businesses that rely on credit data and automated decisioning, including organisations working with credit bureaux such as Equifax and Experian.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
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Provides resource management and sustainability consulting services including utility data collection and analysis, energy and carbon management, renewable energy sourcing, and management of water,…
Serves multi-site businesses and enterprise organisations in sectors including chemicals, consumer goods, food and beverage, healthcare, hospitality, mining, real estate, restaurants, retail,…
Financial Health
N/AN/A
Location
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Computed from 3 filingsDesigns and supplies professional real-time communication systems, including wired and wireless intercoms, IP-based communication platforms, keypanels, beltpack systems, headsets, and related…
Serves professional teams in broadcast, live events, film and TV, sports operations, houses of worship, theme parks, industrial sites, and military, aerospace and government organisations.
Financial Health
StrongStrong · Profitable, Growing · 4% CAGR over 2y
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Computed from 3 filingsProvides private equity and venture capital investments, including EIS‑qualifying opportunities in high‑growth companies. Also offers corporate finance advisory services such as capital raising, IPO…
Serves private individual investors seeking EIS/SEIS high-growth opportunities, and small, mid-cap and large corporate clients across diverse sectors.
Financial Health
StrongStrong · Hiring · 15% CAGR over 2y
Location
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Computed from 3 filingsProvides sports and entertainment marketing services including sponsorship strategy, athlete talent representation, brand partnership development, and production of marketing content and campaigns…
Serves ambitious brands, sports rights holders and top athletes seeking international sports and entertainment marketing partnerships, sponsorships and representation.
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 2y
Location
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Computed from 5 filingsProvides aviation software platform delivering real-time turbulence monitoring and forecasts using crowdsourced pilot reports, sensor data and AI modelling. Sends alerts and ride‑quality maps to…
Serves airlines and corporate aviation operators, targeting flight operations leaders, pilots, dispatchers, cabin crew, management and safety teams responsible for ride quality and turbulence risk.
Financial Health
StableStable · -7% CAGR over 4y
Location
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Provides contract research services for oncology drug development, including preclinical studies, patient‑derived tumor models, biomarker and bioanalysis testing, biospecimen services, and…
Targets pharmaceutical, biotechnology and life sciences organisations developing oncology and immuno-oncology therapies, including drug discovery, translational research, biomarker development and…
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Computed from 3 filingsProvides web design and development services, building custom websites, web applications, landing pages, and e‑commerce sites. Also offers branding, logo design, and digital marketing services,…
Serves businesses and nonprofits seeking digital presence, online sales, member portals, CRM integrations, branding, and marketing support. Targets organisations needing custom websites, web apps,…
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
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Computed from 2 filingsProvides real estate investment, development and asset management services for institutional investors. Advises on and manages property portfolios including residential, office and mixed‑use…
Serves global institutional investors, including pension funds, endowments and family offices, plus property buyers and sellers seeking exposure to UK residential, office and mixed-use real estate…
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 1y
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How Outbrain 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. B2B companies are identified using Firmbase's semantic classification of company activity, built from filings, websites and registered SIC codes rather than SIC codes alone. The detected counts and share figures on this page are computed within that sector cohort, so "share" always means share of B2B companies with a detectable system — not of all UK companies.
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.
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UK B2B by Advertising
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Frequently asked questions
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