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Martech Companies in the UK: 900+ Active Firms (2026)
Martech companies in the UK build software and data services that help organisations plan, automate, measure and optimise marketing.
Buying centres cluster around revenue operations, campaign automation, customer-data management, advertising operations and performance analytics. The buyer is usually a marketing, growth, ecommerce or agency team that already has established workflows and wants measurement, integration and repeatability rather than a standalone creative service. Sales motions therefore skew towards mid-market and enterprise procurement, with proof-of-value work, implementation support and account-based selling more common than low-touch app purchases. Managed technology services also sit in the mix, particularly where clients need help joining software, data feeds and reporting into an operating model that finance and marketing can both accept.
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There are 987 actively trading martech companies in the UK, a compact cohort with several operating models rather than a single dominant template. Reported employment across the cohort is 2,172 people, which points to a market with many small specialist suppliers as well as a thinner layer of scaled vendors. Commercial maturity is visible but not dominant: 82 companies report turnover above £5M, while 106 have been incorporated since 2022, keeping the lower end of the market replenished by newer entrants.
Marketing technology sits close to privacy, electronic communications and online-advertising rules, because many products handle audience identifiers, consent records, behavioural segments and campaign attribution. The practical burden varies by use case: analytics and performance-measurement suppliers face different assurance questions from advertising-operations platforms or managed technology providers that touch client data pipelines. Enterprise and agency customers also tend to test audit trails, permissions, retention policies and evidence for marketing return before committing budget. The market structure is therefore shaped as much by governance and integration effort as by feature comparison.
Commercial development appears uneven. Enterprise buyers tend to favour suppliers that reduce overlap between campaign tools, customer-data workflows and board-level reporting, while agencies often prefer systems that can be embedded inside client delivery. Smaller vendors may keep finding room in narrow use cases, especially where implementation knowledge matters more than breadth of functionality. Consolidation appears plausible where point solutions depend on the same budgets and integrations, but buyer caution around data governance should continue to slow vague platform stories and reward clearer evidence of marketing impact.
987
Active firms
2026
82
Over £5M revenue
Established earners
106
Incorporated since 2022
Newer firms
Key facts
About 8% of the trading cohort reports turnover above £5M (82 of 987 firms) — the rest sits below that revenue band.
10% of the cohort was incorporated since 2022 (106 firms), so a sizeable share is in its first few filing cycles.
Martech spans campaign planning, marketing automation, performance measurement and customer-acquisition tooling, rather than one software category.
Buyers tend to sit in sales and marketing teams, with procurement covering software subscriptions, analytics services and outsourced customer-data work.
Marketing automation providers, campaign measurement businesses, customer-data services and specialist sales tools often compete for the same budget lines.
Top UK martech companies
Operates a portfolio of marketing and customer experience technology companies providing software for marketing automation, email marketing, customer data platforms, event management, digital asset…
Serves marketing, customer service and IT decision-makers at European businesses and brands, including organisations in travel, subscriptions and retail.
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops marketing operations software for enterprises. Platform supports campaign planning, budget and spend control, workflow approvals, reporting, and integrations, and includes tools to manage…
Serves enterprise marketing organisations, especially CMOs, marketing operations teams, revenue leaders, finance directors and channel partner managers needing oversight of campaigns, budgets and…
Financial Health
StableStable · -2% CAGR over 3y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops software for marketing identity resolution and first‑party data activation. Provides tools to build ID graphs, recognise users across systems in real time, manage consent, and activate…
Serves marketing, data and digital leaders at fast-growing scale-ups and global enterprises with significant customer data, media spend, and CRM/CDP stacks.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 2y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides marketing technology through the Mapp Marketing Cloud platform, offering customer data collection and analytics, marketing automation, segmentation, and tools to deliver personalised…
Targets marketing and ecommerce teams at consumer brands, especially retail and fashion businesses; also serves agency, technology and consultancy partners supporting customer engagement programmes.
Financial Health
DistressedDistressed · -90% CAGR over 2y
Location
TEALIUM LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides a customer data platform that collects, integrates and manages customer data from digital and mobile touchpoints, enabling real-time data streaming, identity resolution, analytics and…
Sells to businesses and enterprise teams managing customer data, especially marketing, data and analytics, and AI functions. Serves organisations in sectors including healthcare, finance, retail,…
Financial Health
StableStable · -68% CAGR over 4y
Location
IMAGINO LTD
Trajectory
3y · 2024–NowFinancial sub-scores
Computed from 3 filingsDevelops a customer engagement software platform that unifies and manages customer data, functioning as a customer data platform (CDP). Enables data integration, audience segmentation, journey…
Serves B2B marketing, IT and data teams at consumer-facing brands, particularly in retail, travel and hospitality, media and publishing, and luxury sectors.
Financial Health
StableStable · -87% CAGR over 2y
Location
EVAM ANALYTICS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops real-time data analytics and customer engagement software. Provides platforms for customer journey orchestration, AI-driven optimisation, and omnichannel messaging including mobile push,…
Sells to enterprise marketing, customer experience and digital engagement teams, mainly in financial services, telecoms, retail and eCommerce, and travel and aviation.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops marketing analytics software that automates data pipelines, standardises marketing taxonomies, and integrates data from advertising, web analytics, CRM, and sales systems. Provides…
Serves brands, marketing agencies and charities, particularly digital marketing, performance media and analytics teams managing multi-channel campaigns, measurement and client reporting.
Financial Health
WeakWeak · -10% CAGR over 4y
Location
Demandbase Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops a B2B account‑based marketing and sales platform that uses data, intent signals and AI to identify target accounts, deliver targeted advertising, personalise web experiences, and provide…
Sells to B2B go-to-market teams, especially marketing, sales, customer success and revenue operations leaders at enterprise organisations in sectors such as technology, manufacturing, financial…
Financial Health
WeakWeak · Hiring · 35% CAGR over 4y
Location
Trajectory
4y · 2020–NowFinancial sub-scores
Computed from 4 filingsDevelops and operates an omnichannel demand‑side advertising platform that enables brands and agencies to plan, buy and measure digital advertising campaigns. Uses mobile app and location‑based data…
Serves B2B customers: brands, advertisers and media agencies managing omnichannel digital campaigns, especially marketing and media-buying teams focused on privacy-first audience activation and…
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing analytics and call tracking software that links phone calls and other conversions to online and offline marketing activity. Offers attribution reporting, user journey tracking,…
Serves B2B marketing teams and agencies, including organisations in automotive, care homes, dental, education, financial services, healthcare, legal, property, technology services and travel sectors.
Financial Health
WeakWeak · -67% CAGR over 4y
Location
Trajectory
2y · 2019–NowFinancial sub-scores
Computed from 2 filingsProvides a software platform for managing and processing marketing leads and customer data. The system collects leads from multiple channels, validates and transforms data, integrates with marketing…
Serves enterprise-level B2B organisations operating at scale, especially marketing, revenue operations and leadership teams, plus publishers managing lead channels, campaigns and compliance.
Financial Health
StableStable · 5% CAGR over 1y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops media data management and analytics software for advertisers and agencies. Provides a cloud‑based platform that aggregates global media spend data and supports media planning, campaign…
Serves global and multi-market advertisers, brand marketing and media teams, and their agencies managing complex media budgets, campaign data and reporting across countries and brands.
Financial Health
DistressedDistressed · -67% CAGR over 4y
Location
RED EYE INTERNATIONAL LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and provides a B2C marketing automation and customer data platform. Enables businesses to manage customer data, segment audiences, and run email, SMS, push and advertising campaigns, with…
Serves B2C marketing teams in ecommerce, retail, travel, hotels, transport, sports clubs, automotive dealerships, charities, museums, attractions, and further and higher education.
Financial Health
DistressedDistressed · -18% CAGR over 1y
Location
Mparticle Limited
Trajectory
4y · 2019–NowFinancial sub-scores
Computed from 4 filingsProvides a customer data platform that collects, unifies and processes customer data from multiple digital sources, enabling businesses to build customer profiles, analyse behaviour, and activate…
Serves B2C multi-channel consumer brands, including ecommerce, media, fintech and subscription businesses, targeting marketing, product, CRM and data teams managing large-scale customer engagement.
Financial Health
StrongStrong · Hiring · 41% CAGR over 3y
Location
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsProvides cloud-based customer engagement software, including customer data management, machine learning analytics, loyalty and rewards programme management, marketing automation, and real-time…
Serves marketing, loyalty and customer experience teams at enterprise brands, including retailers and other consumer-facing organisations, plus public sector bodies needing citizen engagement…
Financial Health
WeakWeak · -10% CAGR over 3y
Location
TELMAR EUROPE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing analytics and media planning software that analyses consumer, social and media research data to generate audience insights, segmentation and cross‑media campaign planning tools for…
Serves B2B marketing organisations: creative and media agencies, media sales teams, and consumer brands that need audience insight, research, strategy, and cross-media planning support.
Financial Health
WeakWeak · -71% CAGR over 4y
Location
StackAdapt UK Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides a programmatic advertising platform that enables agencies and brands to plan, buy, and optimise digital ad campaigns. Offers AI‑driven targeting, campaign management and analytics across…
Serves advertising agencies, brands and in-house digital marketing teams running programmatic campaigns, across sectors including B2B, political, retail, travel, healthcare, finance and regulated…
Financial Health
StrongStrong · Growing, Hiring · 52% CAGR over 4y
Location
Automated Creative Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops advertising technology that generates, tags and tests digital ad creatives using live performance data. Platform enables marketers to produce large volumes of ads and analyse results across…
Serves B2B marketing teams, performance marketers and global CMOs at large consumer brands and agencies running paid social, display, video and retail media campaigns across multiple markets.
Financial Health
StrongStrong · Growing, Hiring · 37% CAGR over 4y
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides a data platform for digital marketers and advertisers to collect, connect and manage customer data, build and enrich audience segments, resolve identities across devices, and activate…
Serves B2B digital marketers, advertising agencies, brands, and media/data owners needing audience data, identity, targeting, data collaboration, and monetisation across adtech, CTV, social, and…
Financial Health
HealthyHealthy · 0% CAGR over 3y
Location
Funnel Operations Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops a marketing data platform that collects data from advertising and marketing services, cleans and models it, and provides reporting, attribution analysis, and automated exports to data…
Serves B2B and B2C companies, marketing agencies, and in-house digital marketing, BI/data, and IT teams that manage multi-channel marketing data and reporting.
Financial Health
HealthyHealthy · Hiring · 59% CAGR over 3y
Location
Silverpush Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides marketing technology for digital advertising, including AI-driven contextual video ad targeting, moment-based ad placement, and real-time TV ad synchronisation. Offers platforms for…
Serves B2B marketing teams, media agencies and brand advertisers running digital video, CTV, social and open-web campaigns, especially those needing brand suitability and contextual audience…
Financial Health
StrongStrong · Growing, Hiring · 67% CAGR over 1y
Location
Voyado Ltd
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsDevelops customer experience and marketing software for retailers, including CRM, loyalty programme management, product discovery and search, personalisation, email and SMS marketing, and retail…
Sells to B2B retail brands and e-commerce businesses, especially marketing, merchandising and loyalty teams in sectors such as fashion, electronics, cosmetics, beauty and furniture, including…
Financial Health
HealthyHealthy · Hiring · 106% CAGR over 3y
Location
EXPANDI AGENCY LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides B2B marketing and advertising technology platforms, including account-based marketing and advertising tools, intent data analytics, digital audience targeting, email marketing, and company…
Serves B2B marketing and sales teams, agencies, media companies and enterprise organisations seeking account-based marketing, advertising, intent data and compliant B2B data across global markets.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
Measured Media Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides marketing measurement and analytics software for enterprise brands, combining media mix modeling, incrementality testing, and cross‑channel reporting to evaluate advertising performance, run…
Serves enterprise brands and growth or marketing teams managing complex media portfolios, especially in omnichannel retail, technology, CPG, financial services, hospitality and automotive.
Financial Health
DistressedDistressed
Location
TRANSCEND360 GROUP LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDevelops marketing operations and preference management software for businesses. Provides platforms for managing marketing workflows, agency operations, consumer communication preferences and data…
Serves B2B marketing teams at global brands, agencies, ecosystem partners and charity/not-for-profit organisations.
Financial Health
WeakWeak · -12% CAGR over 2y
Location
CAMPAIGN MASTER (UK) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides cloud-based email marketing software including campaign management, automation, CRM and data management tools. Also offers SMS messaging, survey creation, template design, deliverability…
Serves B2B email marketers and marketing teams, from sole traders and small businesses to multinational corporations, needing online marketing, CRM, survey and SMS campaign tools or outsourced…
Financial Health
WeakWeak · -69% CAGR over 4y
Location
Personality Brands Limited
Trajectory
3y · 2023–NowFinancial sub-scores
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
Mass Analytics Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops cloud-based marketing analytics software for marketing mix modeling. Provides a platform that integrates marketing and sales data, builds statistical models, and generates insights and…
Serves B2B marketing effectiveness, analytics and finance leaders at brands and agencies, with emphasis on CPG, retail and financial services organisations seeking marketing measurement capability.
Financial Health
StableStable · Hiring · 25% CAGR over 5y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and provides an online marketing analytics and management platform offering tools for SEO, keyword research, backlink analysis, competitor traffic analysis, site audits, content…
Serves B2B marketing teams, SEO, PPC, content and social media specialists, digital agencies, enterprise brands and local businesses managing online visibility and digital marketing channels.
Financial Health
StrongStrong
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides a software platform for managing partnership marketing programmes including affiliates, influencers, creators and customer referrals. Offers tools to recruit partners, track performance and…
Sells B2B to brands, retailers, SaaS companies and publishers running affiliate, influencer, creator, referral and mobile partnership programmes, plus agencies and technology partners supporting them.
Financial Health
StableStable · Hiring · 29% CAGR over 3y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides a software platform for B2B marketing teams to collect, validate, standardize, and manage lead data from multiple channels. Integrates with marketing automation and CRM systems, applying…
Serves enterprise B2B marketing teams, including marketing operations, demand generation, field marketing and executive leadership, in organisations running multi-channel lead generation and using…
Financial Health
DistressedDistressed · -92% CAGR over 2y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and operates a software platform for partner and affiliate marketing management. Enables businesses to track marketing channels, manage partnerships, monitor campaign performance, attribute…
Serves B2B marketing and growth teams, ecommerce/DTC brands, agencies, affiliate and ad networks, and lead-generation businesses in sectors such as finance, insurance, health and beauty, gaming,…
Financial Health
DistressedDistressed · -2% CAGR over 2y
Location
Delineate Strategy Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops software and provides market research services for brand and campaign tracking. Collects and analyses real-time consumer opinion data across global markets, supplying dashboards and insights…
Serves B2B marketing, brand and consumer insights teams at consumer-facing companies and global brands, including FMCG, food and drink, retail and sports brands operating across multiple markets.
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 2y
Location
CAPILLARY TECHNOLOGIES EUROPE LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides cloud-based loyalty management and customer engagement software for enterprises and retail chains. The platform includes customer data management, analytics, segmentation, and rewards tools…
Serves enterprise B2C brands and retail chain operators, including CPG/FMCG, fuel retail, hospitality, airlines, apparel, F&B/QSR, hypermarkets, luxury, jewellery, and health and beauty sectors.
Financial Health
StableStable · Hiring · 130% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides a B2B social media management and analytics platform. Tools support publishing, social listening, employee advocacy, and performance measurement, with integrations to CRM and marketing…
Serves B2B marketing, sales/revenue and HR teams at data-driven organisations, especially in tech/software, business services, legal services and manufacturing, with a global customer base of B2B…
Financial Health
HealthyHealthy · Hiring · 35% CAGR over 4y
Location
RevvedUp AI Ltd
Trajectory
1y · 2025–NowDevelops software for account-based marketing that automates prospect research, personalised outreach and campaign management across email, LinkedIn, landing pages and other channels, helping sales…
Sells to B2B sales, marketing and revenue teams running account-based marketing, inbound nurture, outbound prospecting and partner campaigns across multiple channels.
Financial Health
Insufficient historyInsufficient history
Location
Audiense Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides audience intelligence and social media analytics platforms that analyse digital activity and social signals to segment audiences, identify influencers, track hashtags, manage communities,…
Serves B2B marketing teams, agencies, brands and analysts in sectors including media and entertainment, financial services and retail that need consumer and audience insight for campaigns, content,…
Financial Health
DistressedDistressed · -14% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides a software platform that aggregates buyer intent data from multiple sources to identify potential B2B customers, monitor account behaviour, generate leads, and support marketing and sales…
Targets B2B go-to-market, sales, marketing and customer success teams, with buyers including revenue leaders at growth-focused companies globally.
Financial Health
WeakWeak · -8% CAGR over 4y
Location
Route Thirty Six Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops marketing automation software for retail brands, enabling creation of campaign briefs, automated content production, asset management, localisation, approvals and distribution of marketing…
Serves marketing teams at large retail and consumer brands, including supermarkets, FMCG, fashion and sportswear, technology, hospitality, and health and beauty businesses.
Financial Health
StableStable · -13% CAGR over 4y
Location
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides a marketing collaboration software platform that integrates digital asset management, product information management, creative automation, project and task management, online proofing,…
Sells B2B to marketing, product and creative operations teams across multiple markets, retail networks, brands and agencies, including organisations working with in-house, external or hybrid teams.
Financial Health
StableStable · -18% CAGR over 3y
Location
Onetag Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides a programmatic advertising platform that curates and filters ad inventory for demand‑side platforms. Uses AI and contextual data to shape traffic, optimise bidding, and connect advertisers…
Serves B2B programmatic advertising buyers, including marketers, advertisers, agencies and DSP users, as well as digital publishers in the open internet ecosystem.
Financial Health
StrongStrong · Growing, Hiring · 82% CAGR over 4y
Location
DEMANDSCIENCE UK LIMITED
Trajectory
5y · 2020–NowFinancial 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
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides a software platform for retailers and online marketplaces to run sponsored product and brand advertising on their sites. Tools allow sellers and brands to create, bid on, manage and analyse…
Sells B2B to online retailers and marketplaces, particularly e-commerce platforms with third-party sellers and brand advertisers, including retail media and performance marketing teams in Europe.
Financial Health
DistressedDistressed
Location
APPIER UK CO., LTD.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops artificial intelligence software platforms for digital marketing and customer engagement. Products include advertising optimisation, personalised messaging, chatbots, and data analytics…
Serves B2B marketing and growth teams at enterprises and digital businesses in e-commerce, retail, finance and insurance, gaming, and automotive sectors.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
TRADEDOUBLER LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsOperates an online affiliate and partner marketing platform connecting brands with publishers, influencers and agencies. Provides tools for managing performance‑based advertising, partner programmes,…
Serves B2B partner marketing markets: enterprise, SME and startup brands; publishers, influencers, creators, affiliates and tech publishers; and performance, brand and digital agencies operating…
Financial Health
StrongStrong · Hiring · 11% CAGR over 2y
Location
Trajectory
3y · 2020–NowFinancial sub-scores
Computed from 3 filingsProvides a creative technology platform that enables brands and agencies to produce digital video advertisements. Connects companies with a network of creators and offers tools to manage, produce,…
Sells to marketing teams at global brands and agencies, especially enterprises advertising across social, e-commerce, retail media and CTV in sectors such as health, tech, finance, food, gaming,…
Financial Health
StrongStrong · Growing · 2% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops event management software for planning and running corporate events, including registration websites, scheduling, budgeting, attendee apps, badge printing, email marketing, travel and…
Serves B2B enterprise event and marketing teams, particularly in legal, finance, automotive and pharmaceutical organisations running live, virtual and hybrid corporate events.
Financial Health
StrongStrong · Growing, Hiring · 18% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops marketing workflow automation software for enterprises and agencies. Platform manages project planning, resource allocation, creative approvals, budgeting and reporting, with AI tools for…
Sells to B2B customers, especially enterprise marketing teams, in-house agencies, and external agencies. Targets operations managers, project leads, and marketing teams at global brands and agencies…
Financial Health
HealthyHealthy · -68% CAGR over 4y
Location
EPISERVER UK LIMITED (FORMERLY KNOWN AS PEERIUS LIMITED)
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsDevelops digital experience software for marketing and product teams, including content management, A/B testing, personalization, experimentation analytics, and ecommerce tools. Platform uses AI to…
Sells to B2B marketing, digital experience, ecommerce and product teams, including marketers, developers, engineers and digital leaders seeking platforms to manage and optimise customer-facing…
Financial Health
StableStable · Hiring · 38% CAGR over 6y
Location
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How UK martech companies work and how to sell to them
What they do
Martech firms typically earn revenue from recurring software subscriptions, usage-based data or event volumes, implementation projects and managed services layered around the platform. Pricing often follows the metric the customer can forecast: seats for campaign teams, contact volumes for automation, impressions or media spend for advertising operations, or tracked events for analytics. Enterprise engagements usually include onboarding, integration and reporting configuration, because value depends on how the tool fits CRM, ecommerce, consent and finance workflows. Smaller suppliers may sell a narrow workflow module, while service-led operators package technology access with account management, tagging, dashboard build and ongoing optimisation.
Who they sell to
Buyers are usually marketing and growth leaders, ecommerce heads, revenue operations teams, agency delivery leads and, for larger deals, procurement, finance and security reviewers. Mid-market customers tend to buy through direct sales after a pilot or proof-of-value period; enterprise accounts often add RFPs, legal review and data-protection assessment. Sales cycles lengthen where attribution, customer identity or consent records touch several internal systems. Contract sizes vary by breadth of deployment, audience volume and implementation burden, so a narrow analytics tool can close faster than a customer-data or attribution programme touching multiple systems.
What they buy
Most martech firms tend to spend on the stack needed to build, secure, sell and support software for marketers. Common purchases include cloud hosting, data warehousing, API management, observability, identity and access control, security testing, consent tooling and integration middleware. Commercial teams usually need CRM, outbound automation, proposal tools, customer success systems and revenue analytics, while finance teams look for billing, usage metering, payments, forecasting and renewal management. Service-led firms also buy project management, resource planning, client reporting, legal support, accounting, insurance and specialist recruitment for implementation, data engineering, product marketing and customer success roles.
Why and how to sell to them
Martech buyers tend to evaluate vendors when integration load starts to slow delivery, attribution is being challenged by finance, or privacy controls need firmer evidence for enterprise customers. Funding, a new commercial leader, expansion into agency channels, larger implementation teams or a move upmarket can all create intent, because the operating model becomes harder to run through spreadsheets and ad hoc services. Outbound tends to work when it names the buyer’s commercial constraint: shorten onboarding time, reduce duplicated campaign tooling, improve audit trails, protect margin in managed services, or make marketing return easier for CFOs to accept.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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