Marketing Agency Companies Using BlockMark Technologies in the UK: 81 Active Firms (2026)
Marketing agencies using selected website technology create, manage and measure campaigns for UK clients under data, advertising and consumer rules.
For marketing agencies, a page-builder layer usually sits between client-service teams, web producers and performance marketers rather than in a central IT function. It turns design and content changes into reusable page templates, reducing dependence on a full development queue. The likely buyers are owner-managed and mid-market agencies selling to business clients, where engagements tend to involve retained search, content, paid media or conversion-rate work rather than one-off brochure sites. Use of this stack points to operational maturity: templates, tracking tags and consent journeys have to be managed with fewer specialist staff.
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There are 81 UK marketing agencies running this page-builder technology. At 4.7% of page-builder detections within a 1,734-agency comparison set, this stack ranks fifth in the sector, behind a small group of more common alternatives. Regionally, adoption leans towards London (17.3%), the South West (16.0%) and the South East (13.6%), with smaller concentrations in the North West (11.1%) and Scotland (9.9%). Reported employment totals 1,066 people, giving the cohort a modest but visible operating footprint.
Marketing agencies using a page-builder stack are not licensed as a sector, but their campaigns pass through several rulebooks. The ICO matters where landing pages, forms, tags and email follow-up collect personal data; PECR is relevant to cookies, pixels and direct marketing. Ofcom has a role where public electronic communications networks are misused, while the CMA and trading standards cover unfair-trading claims. The ASA applies the CAP Code to advertisers, agencies and media, so creative, targeting and substantiation processes need to survive client and regulator scrutiny. DMA standards add another layer for member agencies handling direct-marketing work.
Adoption appears likely to be shaped less by fashion than by workflow fit. Agencies with light web-production teams tend to favour tools that let account staff and designers update pages without handing every change to developers, but privacy scrutiny makes casual tag deployment harder to defend. The stack may therefore settle as a pragmatic choice for agencies with retained digital work and modest technical teams, while more developer-led shops keep preferring custom build routes. Consolidation in website tooling and analytics bundling could reduce experimentation, especially where clients ask for clearer evidence of consent, attribution and page performance.
Adoption by company size
Adoption of BlockMark Technologies rises with company size across the trading UK marketing agency companies in this cohort. 0.1% of the 54,246 companies with under 10 employees run BlockMark Technologies (37 detected). 2.1% of the 1,903 companies with 10–50 employees run BlockMark Technologies (40 detected). 2.1% of the 146 companies with over 50 employees run BlockMark Technologies (3 detected). That is a 2% gap between the over 50 employees and under 10 employees bands.
81
Active firms
2026
4.7%
Of detected Page builders share
UK marketing agency
11
Median headcount
Filed accounts
185
Verified contacts
Across this cohort
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Key facts
About 4% of the trading cohort reports turnover above £5M (4 of 81 firms) — the rest sits below that revenue band.
4% of the cohort was incorporated since 2022 (4 firms), so a sizeable share is in its first few filing cycles.
The selected page-builder technology has a 4.7% detected share among 1,734 UK marketing agencies with a detectable page-builder system, representing 81 active firms in this sector.
Registered locations are spread across London at 17.3% (14), the South West at 16.0% (13), the South East at 13.6% (11), the North West at 11.1% (9) and Scotland at 9.9% (8).
Campaign-measurement tooling is common in this cohort: 60.5% (49) also show a tag-management layer and 48.1% (39) show web analytics.
UK ad spend reached £42.6 billion in 2024, with online formats growing 13.2% and £4 in every £5 of ad budgets spent online.
Campaign work spans ICO and PECR direct-marketing rules, Ofcom communications misuse, CMA and trading-standards enforcement, ASA CAP Code compliance and the DMA code for members.
Page builders market share among UK Marketing Agency
What else do BlockMark Technologies-running Marketing Agency run?
Share of the 81 BlockMark Technologies-running UK companies where each technology was also detected. As of June 2026.
Where BlockMark Technologies Marketing Agency 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.
11
Median headcount
£568.7K
Median UK turnover
4.9%
Above £5M turnover
4
Incorporated since 2022
185 verified decision-maker contacts
across these 81 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK Marketing Agency using BlockMark Technologies
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 lead generation and demand generation services for technology vendors. Runs targeted content syndication, account‑based marketing and audience targeting campaigns across a network of…
Serves B2B technology vendors, marketing teams and agencies targeting technology decision-makers across IT, cybersecurity, AI, finance, HR, marketing, sales and electronics.
Financial Health
StableStable · -69% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides digital marketing services including multi-channel strategy, paid media management (PPC, Google Ads, social and marketplace ads), search engine optimisation, content marketing, data and…
Serves B2B organisations needing outsourced performance marketing support, including online businesses, ecommerce brands and companies seeking long-term agency partnerships, with emphasis on Bristol…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsProvides digital marketing services including SEO, content strategy, paid search and social advertising, digital PR, and influencer outreach. Also offers UX and conversion optimisation, digital…
Serves B2B marketing leaders and CMOs at complex organisations, including retail, eCommerce, D2C and SaaS brands, from high-growth companies to established providers.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides digital marketing services including website design and development, search engine optimisation, PPC management, paid and organic social media marketing, email campaigns, and digital PR,…
Sells to businesses seeking outsourced digital marketing support, particularly ambitious growth-focused brands and larger UK companies. Serves marketing teams and business decision-makers evaluating…
Financial Health
StableStable · Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides B2B marketing services including brand strategy, creative design, content production, digital marketing, website development, marketing automation, and campaign planning. Also offers…
Serves B2B organisations from start-ups to enterprises, including global and regional public and private sector clients, with emphasis on marketing and business teams needing brand, digital and…
Financial Health
WeakWeak · -6% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing services including account‑based marketing strategy, multichannel campaign management, paid social advertising and geo‑targeting. Develops custom CMS platforms with content…
Serves B2B organisations, including technology, legal and insurance-related firms, targeting marketing teams that need account-based and multichannel digital marketing support.
Financial Health
StableStable · -3% CAGR over 4y
Location
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Computed from 5 filingsProvides website design and development, web applications, and ongoing website support. Delivers digital marketing services including PPC, paid social, SEO and campaign management, alongside…
Targets B2B organisations in health, leisure and tourism, and sport, including care providers, sports bodies, tourism operators and leisure businesses seeking agency support.
Financial Health
HealthyHealthy · -3% CAGR over 4y
Location
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Computed from 5 filingsDesigns and develops eCommerce and B2B websites, including Shopify and WordPress builds and Magento‑to‑Shopify migrations. Provides branding, digital marketing strategy, SEO, performance marketing,…
Serves eCommerce and purpose-led brands, particularly B Corps and sustainability-focused businesses, plus organisations in home, health and lifestyle, technology, professional services, and design…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Computed from 2 filingsProvides business-to-business marketing services including brand strategy, creative design, content production, digital marketing, website development and marketing technology. Delivers campaign…
Serves marketing and commercial teams at B2B organisations, from start-ups to enterprises, across public and private sectors, including global and regional brands.
Financial Health
StableStable · 0% CAGR over 1y
Location
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Financial sub-scores
Computed from 3 filingsProvides digital marketing services focused on scientific and technical sectors. Operates online publishing platforms and delivers content marketing, email campaigns, webinars, SEO, display…
Serves B2B marketing teams and commercial leaders at scientific, engineering, medical, life sciences, materials, technology, and industrial companies seeking to reach researchers, clinicians,…
Financial Health
StableStable · -5% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides B2B marketing consultancy and agency services for conference and exhibition organisers, including multi-channel campaigns, PPC/paid media management, marketing operations, marketing…
Serves B2B conference and exhibition organisers, targeting founders, owners, business leaders, marketing leaders and practitioners responsible for events, attendee registrations, sponsorship and…
Financial Health
WeakWeak · 2% CAGR over 4y
Location
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Computed from 3 filingsProvides marketing strategy and digital marketing services for professional services firms including law firms, accountants and financial advisers. Services include SEO, PPC, social media marketing,…
Serves B2B professional services firms, including law firms, accountants, barristers, surveyors, architects, consultants and financial services providers seeking marketing support.
Financial Health
WeakWeak · Hiring · 12% CAGR over 2y
Location
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Computed from 5 filingsProvides digital marketing services including search engine optimisation, AI search strategy, pay‑per‑click advertising, content marketing, email automation, analytics, conversion rate optimisation,…
Serves businesses seeking digital marketing growth, including eCommerce brands, B2B and B2C companies, and firms in finance, healthcare and legal sectors, from retailers to professional services…
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 4y
Location
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Computed from 3 filingsProvides marketing agency services including data analysis and customer profiling, branding and graphic design, digital marketing, web design and development, analytics and reporting, and planning…
Serves businesses ranging from local start-ups to global brands, selling B2B marketing services to organisations needing brand, digital, data and event support. Website examples indicate clients in…
Financial Health
StableStable · 1% CAGR over 2y
Location
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Computed from 5 filingsProvides digital analytics and marketing services including data strategy, campaign activation and management, tagging and conversion tracking, reporting dashboards, A/B testing, search engine…
Serves brands and businesses, primarily marketing teams seeking data-led digital marketing support, with an emphasis on clients in Ireland and beyond.
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing and creative services including marketing strategy, website design and development, SEO, social media management, paid advertising, email marketing, video and animation…
Serves B2B organisations needing marketing support, with an explicit focus on technology and cybersecurity brands, plus clients such as IT consultancies, business parks, contract catering providers…
Financial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
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Computed from 5 filingsProvides marketing strategy, creative development and campaign activation services. Conducts research, audits and workshops, develops branding and multi-channel campaigns, produces digital…
Serves B2B clients, especially financial services firms, targeting boards, marketing teams and compliance teams that communicate with retail, professional and institutional investor audiences.
Financial Health
StableStable · -1% CAGR over 5y
Location
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Computed from 3 filingsProvides web design and development services, specialising in e‑commerce websites built on Shopify, WooCommerce and Magento. Develops bespoke .NET software, progressive web apps and system…
Serves businesses needing e-commerce, web development and online marketing, especially online retailers and companies with bespoke software requirements. Targets organisations across varied sectors,…
Financial Health
StableStable · -12% CAGR over 2y
Location
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Computed from 2 filingsProvides marketing and creative agency services including brand strategy and identity, digital marketing, SEO, UX design, advertising, social media management, content production, web design, app…
Serves B2B clients including consumer brands, transport and public-sector organisations, and charities, typically marketing and leadership teams seeking external agency support, with an explicit…
Financial Health
WeakWeak · -20% CAGR over 1y
Location
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Computed from 5 filingsProvides digital marketing and creative services including web design, SEO, social media management, content and email marketing, PR, copywriting, and marketing strategy. Also offers creative design,…
Serves SMEs and organisations needing outsourced marketing support, including commercial brands, hospitality operators and public policy organisations, typically marketing decision-makers seeking…
Financial Health
WeakWeak · -5% CAGR over 4y
Location
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Computed from 3 filingsProvides digital agency services including website design and development, WordPress hosting, custom web platforms, and digital marketing such as SEO, Google Ads and social media campaigns, using…
Serves UK businesses, including owners and marketing teams, seeking an external digital partner for online growth, websites, WordPress, search marketing, paid ads and social content.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 3 filingsProvides website design and development, including ecommerce and custom builds. Delivers digital marketing services such as SEO, pay‑per‑click advertising, social media advertising, email marketing,…
Serves small and mid-sized businesses across varied sectors, including retailers, travel firms, finance providers, healthcare and dental practices, membership organisations, and agency resellers.
Financial Health
StrongStrong · Growing, Hiring · 27% CAGR over 2y
Location
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Computed from 5 filingsProvides digital marketing services including strategy development, website design and development, search engine optimisation, pay‑per‑click advertising, social media management, branding and…
Serves UK businesses, charities and consumer brands across sectors including healthcare, recruitment, childcare, property, solar, ecommerce and media, typically organisations seeking outsourced…
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
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Computed from 4 filingsProvides marketing and CRM consultancy services for B2B organisations, specialising in HubSpot implementation, onboarding and integration. Aligns marketing, sales and customer data, develops…
Serves B2B leadership teams in growing organisations using or adopting HubSpot, with sector focus on manufacturing, law and events, and buyers across sales, marketing, service and revenue operations.
Financial Health
StrongStrong · Growing · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides communications and digital marketing consultancy, including brand and marketing strategy, website and user experience design, web and software development, search engine optimisation, paid…
Serves businesses and organisations seeking support with digital and printed communications, including clients needing brand, website, ecommerce, software, marketing and audience growth expertise.
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 5y
Location
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Computed from 4 filingsProvides digital marketing and web development services, including WordPress website design, low‑carbon web builds, accessibility and performance optimisation, SEO, PPC, content marketing, email…
Serves purpose-led organisations and changemaker teams, including brands and community or planet-focused groups with limited internal time, budget and digital capacity.
Financial Health
WeakWeak · Hiring · 6% CAGR over 3y
Location
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Computed from 5 filingsProvides digital marketing consultancy and implementation services including SEO, pay‑per‑click advertising, conversion rate optimisation, UX design, content strategy and digital audits, along with…
Serves B2B brands and growth-focused businesses, including those with internal marketing teams needing extra digital capacity or capability, and organisations seeking outsourced marketing support.
Financial Health
StrongStrong · Hiring · 26% CAGR over 4y
Location
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Computed from 3 filingsProvides marketing and creative services for food and drink businesses, including marketing strategy, website design and development, e-commerce sites, graphic and packaging design, brand identity,…
Serves food and drink businesses, hospitality and food tourism organisations, from small independent producers and retailers to local councils seeking sector-specific marketing support.
Financial Health
StrongStrong · Hiring · 73% CAGR over 2y
Location
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Computed from 4 filingsProvides web design and development services including WordPress and e‑commerce sites. Offers digital marketing such as search engine optimisation, Google Ads management, social media management,…
Serves UK and global businesses needing online presence and marketing support, including local businesses, e-commerce companies, corporate and enterprise teams, educational organisations, membership…
Financial Health
WeakWeak · -2% CAGR over 3y
Location
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Computed from 5 filingsProvides advertising and marketing services including media planning and buying, digital marketing, and creative campaign development. Plans and delivers integrated campaigns across media, digital…
Sells to businesses seeking advertising and marketing support, particularly brands and in-house marketing teams buying media, digital and creative campaign services.
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing services including website design and development, social media management, paid media advertising, branding, content creation, photography, videography, and digital…
Serves B2B clients across Scotland, targeting growing businesses that need an external marketing partner for brand, website, social media, paid media and content support.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Computed from 4 filingsProvides brand and marketing services including brand strategy, rebranding, and communications strategy. Offers SEO, PPC, social media management, copywriting, film production, creative campaigns,…
Serves local, national and international organisations, including businesses and public sector bodies, seeking brand, marketing, digital and creative support.
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides digital marketing and web development services including search engine optimisation, pay‑per‑click advertising management, website design, custom web and e‑commerce development, and hosting…
Serves UK businesses and organisations needing digital agency support, including SMEs and mid-market clients in ecommerce, property, telecoms, horticulture, healthcare/optics and charities.
Financial Health
HealthyHealthy · -2% CAGR over 4y
Location
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Computed from 4 filingsProvides healthcare communications and digital marketing services for pharmaceutical and healthcare organisations, including PR campaigns, product launch communications, patient activation…
Serves B2B healthcare and pharmaceutical organisations, including teams responsible for communications, digital marketing, patient activation, and product launches from evidence generation through…
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 3y
Location
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Computed from 3 filingsProvides web design and development, including WordPress, Drupal and headless CMS websites, web applications, UI/UX design and system integrations. Also offers digital marketing services such as SEO,…
Serves B2B and institutional buyers needing web design and digital marketing, especially law firms, professional services businesses, higher education institutions, science and research…
Financial Health
StableStable · 4% CAGR over 2y
Location
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Computed from 5 filingsProvides digital marketing and consultancy services for pharmacies, including branding, logo design, website development, search engine optimisation, social media advertising, and campaign marketing…
Serves B2B customers in the community pharmacy sector, including independent pharmacy owners and teams running travel clinic, weight management, flu jab, EPS, aesthetics and dispensing services.
Financial Health
StableStable · -27% CAGR over 5y
Location
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Computed from 3 filingsProvides advertising, design, digital marketing and public relations services. Develops brand strategy, marketing campaigns, and creative content, including websites, print materials, and media…
Serves B2B and consumer-facing organisations, including construction manufacturers, universities, retailers and schools, working with marketing and communications teams that need agency support.
Financial Health
WeakWeak · -1% CAGR over 2y
Location
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Computed from 5 filingsProvides social media marketing, public relations, content production and influencer marketing services for brands, with a focus on climate, technology and lifestyle sectors. Also develops and…
Serves brands and organisations in climate and sustainability, technology and innovation, and lifestyle and entertainment, targeting marketing and communications teams.
Financial Health
WeakWeak · -10% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing and web services including website design and development, branding, social media management, Google and Facebook advertising, lead generation campaigns, and marketing…
Serves businesses and public-sector organisations in Wales and the wider UK, including recruitment, hospitality/franchise, healthcare/NHS and property-related clients with marketing, brand or digital…
Financial Health
StrongStrong · Hiring · 50% CAGR over 4y
Location
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Computed from 5 filingsProvides branding, creative design and digital marketing services. Develops websites, e‑commerce platforms and web applications, and delivers SEO, PPC advertising, copywriting, campaign strategy and…
Serves businesses and organisations needing creative or digital agency support, including charities, education providers, visitor attractions and other brands with project budgets from £5,000.
Financial Health
StrongStrong · Growing · 2% CAGR over 4y
Location
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Computed from 3 filingsProvides web and app development, e‑commerce website development, UI/UX and graphic design, and digital marketing services including search marketing, advertising and strategy, building and managing…
Serves B2B clients including ambitious businesses, e-commerce brands, pet food and FMCG companies, healthcare organisations, and public health providers.
Financial Health
WeakWeak · Hiring · 18% CAGR over 2y
Location
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Computed from 4 filingsProvides digital marketing and web development services, including website design, e‑commerce site development, search engine optimisation, email marketing, domain registration, website hosting, SSL…
Serves Scottish businesses and business owners seeking support with their online presence, including organisations needing digital marketing, websites, hosting, SEO, ecommerce and AI readiness.
Financial Health
DistressedDistressed · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides creative and digital agency services including brand strategy and design, website design and development, digital marketing, advertising campaigns, and strategic communications for…
Serves marketing and leadership teams at brands and organisations across sectors, including commercial businesses, education providers, law firms, events companies and public sector bodies.
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing services including search engine optimisation, pay‑per‑click advertising management, website design and development, and graphic design. Also offers website hosting,…
Serves B2B customers, primarily businesses across Surrey, including owners and marketing teams seeking agency support for digital presence, lead generation and brand communications.
Financial Health
HealthyHealthy · -2% CAGR over 4y
Location
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Computed from 5 filingsProvides media planning and media buying services for advertising campaigns. Develops media strategies and manages the placement of advertising across channels for businesses targeting local,…
Serves businesses and organisations of all sizes that buy media advertising, including local clients and brands running national or international campaigns across varied sectors.
Financial Health
StableStable · -70% CAGR over 4y
Location
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Computed from 3 filingsProvides brand strategy, marketing, and digital agency services. Develops brand identities, creative campaigns, websites, and digital marketing, supported by audience research and insight for…
Serves businesses and public-sector organisations across professional and financial services, property, NHS and healthcare, animal health, education, hospitality and leisure, and food and beverage.
Financial Health
StableStable · -8% CAGR over 2y
Location
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Computed from 5 filingsProvides marketing and communications services including brand design, print and video production, digital campaigns, web design, bespoke software development, and event support. Also delivers…
Serves businesses and charities that need to engage internal teams, support brand delivery, and connect staff with customer-facing goals.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides marketing and communications services including public relations, crisis communications, branding, graphic design, website design, SEO, PPC advertising, social media management, video…
Serves purpose-driven organisations and brands, including public sector bodies, charities and businesses in education, energy, housing, health and social care, events, construction, estate agency and…
Financial Health
WeakWeak · -5% CAGR over 4y
Location
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Computed from 3 filingsProvides healthcare communications and medical marketing services. Uses behavioural science insights, medical expertise and creative production to develop campaigns, educational materials and…
Serves B2B clients across the healthcare industry, particularly pharmaceutical and medical marketing teams involved in product launches, adoption and stakeholder engagement.
Financial Health
WeakWeak · -13% CAGR over 2y
Location
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Computed from 5 filingsProvides web design and development, brand strategy, and visual identity services. Builds websites, e‑commerce platforms and WordPress sites, and delivers copywriting, motion graphics and digital…
Serves marketing and leadership teams at brands and agencies, including B2B tech, software/SaaS, retail and e-commerce businesses, and entertainment/media organisations.
Financial Health
StrongStrong · Growing, Hiring · 2% CAGR over 4y
Location
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How BlockMark Technologies 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. marketing agency 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 marketing agency 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.
BlockMark Technologies is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
How many UK marketing agency companies use BlockMark Technologies?
What share of UK marketing agency companies run BlockMark Technologies?
How is BlockMark Technologies usage detected?
What size marketing agency companies use BlockMark Technologies in the UK?
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