Marketing Agency Companies Using Buffer in the UK: 55 Active Firms (2026)
Marketing agencies in the UK plan and manage brand campaigns while running social media publishing tools on their public websites.
For agencies selling retained social, content and campaign work, a scheduling-and-publishing stack usually sits between account management, creative production and reporting. Adoption tends to signal a direct-channel posture: clients expect planned calendars, approval trails, cross-network posting and regular performance summaries rather than ad hoc community management. The buyer is typically the agency owner, operations lead or social lead, with spend justified against time saved on recurring client work and the ability to show activity to non-technical customers. Engagements are usually modest compared with enterprise marketing suites, but they still imply repeatable processes and a team handling several client accounts at once.
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Only 55 actively trading marketing agencies in the UK are detected running the scheduling tool on public websites. Across firms reporting headcount, total reported employment is 395, with a median headcount of 8 and median turnover of £386k. Within detected social media tools for this sector page, the scheduling system accounts for 100.0% because the cohort is defined around it. Registered offices lean towards London (20.0%), the South East (18.2%) and the East of England (14.5%), followed by the North West and South West at 10.9% each.
Campaign workflows often carry compliance obligations even though agencies do not sit under a single sector licence. Direct marketing activity falls under ICO oversight through data protection rules and PECR, while the ASA applies the CAP Code to advertisers, agencies and media. Ofcom, the CMA and trading standards can also matter where electronic communications misuse or unfair trading rules are in play. For companies running a scheduling platform, procurement checks tend to centre on account access, client approvals, audit trails, personal data used in targeting or reporting, and whether subcontracted tools fit the agency’s own client contracts.
Adoption appears tied to workflow maturity rather than experimental marketing spend. Agencies with recurring social retainers tend to keep scheduling tools embedded, but thinner-margin work may push them towards bundled publishing features inside broader marketing suites or client-owned systems. Privacy and consent expectations also make lightweight reporting less attractive when campaigns touch customer lists or paid audiences. Consolidation is therefore more likely to show up as tool rationalisation than as a simple move away from scheduling. Smaller agencies may still retain dedicated publishing tools where client approval, calendar discipline and visible account servicing matter more than deep platform integration.
Adoption by company size
Adoption of Buffer varies by company size across the trading UK marketing agency companies in this cohort. 0.1% of the 54,246 companies with under 10 employees run Buffer (37 detected). 1% of the 1,903 companies with 10–50 employees run Buffer (19 detected). 0% of the 146 companies with over 50 employees run Buffer (0 detected). That is a 0.1% gap between the over 50 employees and under 10 employees bands.
55
Active firms
2026
100%
Of detected Social Media share
UK marketing agency
8
Median headcount
Filed accounts
92
Verified contacts
Across this cohort
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Key facts
3% of the cohort was incorporated since 2022 (2 firms), so a sizeable share is in its first few filing cycles.
Within the detectable social media category, the publishing tool accounts for 100.0% (55) of marketing-agency systems.
Registered-office locations are tilted towards London and the South East, with London at 20.0% (11), the South East at 18.2% (10) and the East of England at 14.5% (8).
Website stacks lean towards content management and measurement: 87.3% (48) also run a content-management platform and 69.1% (38) also run tag-management tooling.
UK ad spend reached £42.6 billion in 2024, up 10.4%, with online formats growing 13.2% and taking £4 in every £5 of advertising budgets.
Campaign delivery sits across the ICO and PECR for direct marketing, the ASA's CAP Code for advertising claims, and the CMA and trading standards for unfair-trading issues.
Social media market share among UK Marketing Agency
Share of the 55 UK Marketing Agency with a detectable system. As of June 2026.
What else do Buffer-running Marketing Agency run?
Share of the 55 Buffer-running UK companies where each technology was also detected. As of June 2026.
Where Buffer 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.
8
Median headcount
£386.4K
Median UK turnover
0%
Above £5M turnover
2
Incorporated since 2022
92 verified decision-maker contacts
across these 55 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK Marketing Agency using Buffer
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 social media marketing services including strategy, content creation, campaign development, influencer marketing and community management. Produces social-first creative, manages paid and…
Serves marketing teams at consumer-facing brands, including retail, ecommerce, FMCG and lifestyle businesses, seeking social-first campaigns, creator partnerships and ongoing content support.
Financial Health
HealthyHealthy · Hiring · 26% CAGR over 4y
Location
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Computed from 5 filingsProvides social media marketing services including strategy development, content creation, community management, paid social advertising, influencer campaigns and social media training for brands…
Serves growth-focused B2B and B2C brands across the UK and Europe, particularly in travel, luxury, interiors, real estate, fashion, ecommerce, and health and beauty.
Financial Health
WeakWeak · -4% CAGR over 5y
Location
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Computed from 5 filingsProvides social media marketing services including account management, content production (video, photography and design), community management, influencer collaborations, and paid social…
Serves established B2B and consumer brands, targeting marketing leaders seeking to grow audiences, generate leads, increase sales, and build employee or brand advocacy.
Financial Health
StableStable · -4% CAGR over 4y
Location
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Computed from 5 filingsProvides influencer marketing services for brands, including campaign management, creator partnerships, content strategy, paid social amplification, and performance tracking. Develops and manages…
Serves brand advertisers and marketing teams running social media creator campaigns, while contracting with influencers and creators who produce campaign content across social media channels.
Financial Health
StableStable
Location
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Computed from 3 filingsProvides digital marketing services for hospitality, food, drink, and retail brands, including social media marketing, influencer campaigns, content creation, paid advertising, press outreach, email…
Serves B2B hospitality, food and drink brands, including restaurants, cafés and retailers in London, targeting founders and senior teams seeking digital marketing support.
Financial Health
StableStable · -80% CAGR over 2y
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 filingsProvides digital marketing services including social media strategy and management, SEO, paid media advertising, website design, blog and newsletter writing, and video production. Supports businesses…
Serves ambitious SMEs and established UK brands, particularly businesses in Hertfordshire; client sectors shown include care, fashion, utilities, law, architecture, interiors and other service-led…
Financial Health
WeakWeak · Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsProvides marketing, PR and advertising services, including website design and development, ecommerce integration, search engine optimisation, PPC campaign management, branding and graphic design,…
Serves businesses in the East Midlands seeking outsourced marketing, PR, advertising, web, e-commerce and print support across digital and offline channels.
Financial Health
DistressedDistressed · -29% CAGR over 4y
Location
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Computed from 5 filingsProvides marketing services for restaurants, hotels, bars and hospitality brands, including social media management, digital marketing, PR and influencer campaigns, content creation, and integrated…
Serves B2B hospitality and food-sector brands, including restaurants, hotels, bars, bakeries and consumer food brands, with buyers typically being marketing teams or owners seeking specialist agency…
Financial Health
WeakWeak · Hiring · 18% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides digital marketing services including search engine optimisation (SEO), pay‑per‑click advertising, content marketing, social media management, web design and development, and digital…
Serves businesses, schools and other organisations, primarily B2B, across the UK and beyond. Targets business owners, senior management teams, marketing professionals and sales professionals seeking…
Financial Health
StrongStrong · Growing, Hiring · 37% CAGR over 4y
Location
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Financial sub-scores
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 5 filingsProvides branding and digital marketing services including brand strategy, naming and identity design, website development, graphic and motion graphics content, photography and video production,…
Serves businesses and brand owners seeking external marketing support, including companies needing branding, websites, content, social media, creative production or 3D visualisation.
Financial Health
WeakWeak · -8% CAGR over 4y
Location
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Computed from 3 filingsProvides digital marketing services for law firms, including PPC advertising, search engine optimisation, social media management, legal content writing, email marketing, website design and…
Serves solicitors, barristers and law firms across the UK, including practices seeking project-based or ongoing marketing support and compliance-related guidance.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides digital marketing services including search engine optimisation, pay‑per‑click advertising, digital PR, content creation and social media management. Develops search marketing strategies and…
Serves B2B and consumer-facing organisations with internal marketing teams, including financial services, fintech/payments, building societies and cultural institutions seeking external digital…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides marketing and communications services including marketing strategy, public relations, copywriting and content creation, website design and development, SEO, PPC advertising, social media…
Serves B2B brands and marketing teams in manufacturing, engineering, materials handling, logistics, marine, aviation and technology, plus trade associations, third sector and luxury organisations.
Financial Health
HealthyHealthy · -65% CAGR over 4y
Location
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Computed from 5 filingsProvides creative and marketing services for independent schools, including website design and development, brand strategy, storytelling content, photography and video, social media strategy, PPC and…
Serves independent schools, particularly private and leading schools, selling to senior leadership, admissions, marketing and communications teams seeking external creative, digital and marcomms…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing services for eCommerce brands, including search engine optimisation, PPC and paid social advertising, affiliate marketing, content marketing, digital PR, analytics, and…
Serves B2B eCommerce brands and online retailers, targeting marketing and eCommerce teams that need agency support across growth, performance, retention and stakeholder reporting.
Financial Health
HealthyHealthy · -58% CAGR over 4y
Location
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Computed from 5 filingsProvides marketing and communications services including public relations, branding, content marketing, social media management, digital strategy, and design. Develops campaigns, events, print…
Serves values-led B2B brands, healthcare companies, retailers, charities and community organisations, from global healthcare groups to local high-street businesses, typically working with marketing,…
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing services including search engine optimisation (SEO), paid advertising management, social media marketing, marketing automation, and website development. Also offers digital…
Serves ambitious businesses and B2B organisations, from SMEs to larger corporates, including manufacturers, food producers, technology firms and professional services seeking a London-based marketing…
Financial Health
StableStable · Hiring · 19% CAGR over 4y
Location
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Computed from 3 filingsProvides digital marketing and sales consultancy for startups and SMEs, including SEO strategy, social media management, content marketing, and design. Develops and implements growth strategies,…
Serves B2B startup founders, small business owners and SME leadership teams, particularly those with in-house teams seeking customer acquisition and revenue growth support.
Financial Health
WeakWeak · Hiring · 8% CAGR over 2y
Location
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Computed from 5 filingsProvides website design and digital marketing services including WordPress and ecommerce website development, branding and graphic design, SEO, PPC, social media management, content marketing, email…
Serves SMEs and brands that rely on websites and digital channels to attract, engage and convert customers, including business owners and marketing teams seeking lead generation and ecommerce growth.
Financial Health
WeakWeak · -5% CAGR over 4y
Location
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Computed from 5 filingsProvides marketing services focused on disability inclusion, including influencer marketing, inclusive brand strategy, social media content production, paid social advertising, consumer research, and…
Serves major consumer brands and large businesses seeking disability-inclusive marketing, including clients in retail, banking, telecoms, transport and consumer goods.
Financial Health
DistressedDistressed · -59% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing and creative services including website design and development, e‑commerce websites, graphic design, video production and animation. Also manages SEO, PPC advertising,…
Serves businesses and organisations needing outsourced or retained marketing support, including teams seeking an external agency to supplement in-house marketing, web, e-commerce and campaign…
Financial Health
StableStable · Hiring · 16% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing services including marketing strategy development, pay‑per‑click advertising management, search engine optimisation, paid social media campaigns, video advertising, and…
Serves businesses and organisations seeking outsourced digital marketing support, with messaging aimed at business owners and marketing teams looking to grow online.
Financial Health
StableStable · Hiring · 57% CAGR over 4y
Location
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Computed from 5 filingsProvides content marketing services for B2B technology companies, including content strategy, research, messaging development and campaign planning. Produces articles, case studies, web copy, social…
Serves marketing teams at B2B technology companies and their ecosystems, including tech, telecoms and professional services brands targeting finance, HR, IT and marketing audiences.
Financial Health
StrongStrong · Hiring · 24% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing and lead generation services including management of Google, Meta, LinkedIn and TikTok advertising, SEO, copywriting and marketing automation. Also offers HubSpot…
Sells to businesses seeking outsourced lead generation, sales automation and digital marketing support, particularly firms wanting to scale revenue without adding in-house sales or marketing…
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides digital marketing services including search engine optimisation (SEO), local SEO, pay‑per‑click advertising management, social media management, Google Business Profile optimisation, website…
Serves small and medium-sized businesses, including local firms operating in defined geographic areas, that need outsourced digital marketing support to reach customers online.
Financial Health
HealthyHealthy · Hiring · 15% 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 5 filingsProvides web design and development services creating lead‑generation, e‑commerce and membership websites. Also offers branding and logo design, search engine optimisation, PPC and social…
Serves B2B organisations and ecommerce brands seeking online growth, including service businesses, retailers, membership-based companies and organisations needing lead generation across varied…
Financial Health
WeakWeak · Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing and creative agency services including website and ecommerce development, web and graphic design, branding, SEO, PPC, email and social media marketing, as well as managed…
Serves businesses and brand teams needing to improve their online presence, including organisations with websites, ecommerce stores, apps and custom web applications; case studies include surveyors…
Financial Health
StableStable · Hiring · 9% CAGR over 4y
Location
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Computed from 5 filingsProvides web design and development and digital marketing services, including search engine optimisation, pay‑per‑click advertising, social media marketing, branding, and development of WordPress,…
Serves businesses seeking web design, ecommerce and digital marketing support, including organisations using WordPress or Shopify and companies wanting SEO, PPC, social media and branding services.
Financial Health
StableStable · -7% CAGR over 5y
Location
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Computed from 3 filingsProvides web design and web development services alongside digital marketing including search engine optimisation, pay‑per‑click advertising, social media marketing and email marketing. Also offers…
Serves businesses in Surrey, London and nearby areas, including local SMEs and companies in sectors such as construction, residential, commercial and insurance repair.
Financial Health
StableStable · -11% CAGR over 2y
Location
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Computed from 5 filingsProvides digital media advertising services, managing performance campaigns across platforms such as Meta and Google. Develops ad technology including a media arbitrage platform and MyCity tool for…
Serves performance-focused advertisers, especially B2C insurance brands and not-for-profit organisations, targeting marketing teams that buy digital media across channels such as Meta, Google and…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing consulting and campaign management focused on Facebook and Instagram advertising. Works with businesses and agencies to plan, run and optimise paid social campaigns, and…
Serves B2B clients worldwide, especially eCommerce brands, coaches, agencies and Facebook advertisers with paid social budgets ranging from a few thousand per month to £300k+.
Financial Health
StrongStrong · Hiring · 24% CAGR over 4y
Location
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Computed from 4 filingsProvides public relations and digital marketing services for design, architecture, innovation and technology organisations, including media relations, campaign strategy, content creation, and online…
Serves B2B clients, brands and organisations in design, innovation, creative industries and technology, including international thought leaders and businesses seeking growth and reputation support.
Financial Health
WeakWeak · -25% CAGR over 3y
Location
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Computed from 5 filingsProvides digital strategy and marketing services, including brand strategy, creative design, web development, and digital media planning and management. Works with businesses to plan, build, and…
Serves businesses and organisations seeking an agency partner, primarily marketing leaders and internal teams needing strategic, creative, web and media support across varied industries.
Financial Health
StableStable · -5% CAGR over 4y
Location
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Computed from 3 filingsProvides web design and development services, building bespoke WordPress and ecommerce websites. Also offers digital marketing including search engine optimisation, Google Ads management, social…
Serves small and growing businesses, ecommerce retailers, professional services firms, healthcare and optometry practices, charities and local organisations, with an emphasis on Sussex-based clients.
Financial Health
HealthyHealthy · Hiring · 10% 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 public relations and marketing services for food, drink and hospitality businesses, including media relations, campaign management, copywriting, content creation, and social media support to…
Serves B2B clients in food, drink and hospitality, including foodservice suppliers, hospitality operators, retail brands and consumer product businesses.
Financial Health
StableStable · Hiring · 116% CAGR over 2y
Location
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Computed from 3 filingsProvides film and video production, brand identity and design, website design, and content and digital marketing services. Develops brand storytelling, promotional films, and digital campaigns for…
Serves B2B organisations, including global brands and growing businesses, whose marketing or leadership teams need support communicating with customers across digital channels.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 2y
Location
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Computed from 5 filingsProvides digital marketing services including website design and development, search engine optimisation, pay‑per‑click advertising, graphic design, video marketing and podcast production. Also…
Serves UK businesses and organisations across sectors, including SMEs and brand, communications and management teams seeking an external marketing agency.
Financial Health
WeakWeak · -2% CAGR over 3y
Location
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Computed from 5 filingsProvides outsourced digital marketing services including marketing strategy development, website design and development, search engine optimisation (SEO), Google Ads and PPC management, social media…
Targets owners of small and local service businesses, including dental practices, clinics and trades contractors, that want an external marketing team to support lead and revenue growth.
Financial Health
StrongStrong · Hiring · 57% CAGR over 4y
Location
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Computed from 5 filingsProvides digital agency services including brand and graphic design, website and software development, CRM integration, and digital marketing campaigns. Works with organisations to build websites,…
Serves B2B and B2C brands, from household names to emerging disruptors, including charities, education providers, global retailers and other digital agencies seeking external or embedded marketing…
Financial Health
StableStable · -4% CAGR over 4y
Location
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Computed from 4 filingsProvides web and mobile app development including custom, readymade and white‑label apps. Offers website design, UI and graphic design, chatbot implementation, e‑commerce development, and digital…
Serves SMEs, startups and internet entrepreneurs needing websites, mobile apps, e-commerce, SEO and digital marketing support, including app owners and businesses seeking chatbot or CRM integration.
Financial Health
WeakWeak · Hiring · 10% CAGR over 3y
Location
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Computed from 4 filingsProvides digital marketing and web development services, including website design and build, digital strategy consultancy, and managed marketing services aimed at improving online presence, audience…
Serves B2B organisations seeking stronger digital presence, including clients in healthcare, professional services, travel and media, typically marketing or business leaders responsible for audience…
Financial Health
StableStable · 0% CAGR over 3y
Location
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How Buffer 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.
Buffer is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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