Marketing Agency Companies Using POWR in the UK: 63 Active Firms (2026)
Marketing agencies using website widget technology build campaign, lead-capture and client-site experiences for UK advertisers.
For agencies, this widget layer usually sits on the conversion and client-operations side of the web stack rather than in media buying itself. Adoption points to teams that run direct-response campaigns, maintain client landing pages and need light interactive components without assigning each change to a developer. The buying centre is typically agency management, performance marketing or web delivery, with engagements sold as retainers, campaign builds or site-support packages for business customers. Companies running this stack tend to be owner-managed or mid-market agencies with practical delivery teams, modest software budgets and a bias towards visible on-site conversion work.
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63 UK marketing agencies are actively trading with this widget technology detected on their public websites. Reported employment totals 446 people, with 45 of 45 reporting firms providing headcount, so the visible footprint is small-team rather than enterprise-heavy. In the sector’s detected widget ranking, the stack sits fourth, with a 7.8% share of 812 marketing-agency widget detections. Registered-address distribution is concentrated in London at 28.6% and the South East at 23.8%, followed by the East of England and South West at 9.5% each, and Northern Ireland at 6.3%.
Marketing agencies using widget layers do not need a sector licence simply because they run interactive site components, but the work sits close to regulated marketing conduct. The ICO is the main reference point when forms, pop-ups or tracking cookies collect personal data or feed direct-marketing lists, with PECR sitting alongside UK GDPR obligations. The ASA applies the CAP Code to advertisers, agencies and media, while the CMA and trading standards can become relevant where campaign claims or online sales journeys mislead consumers. Ofcom sits further out, around misuse of public electronic communications networks, and DMA standards add a trade-body layer for members.
Adoption appears likely to remain pragmatic rather than strategic for most agencies in this cohort. The pattern points to lean delivery teams using widget layers where client sites need quick tests, forms or campaign-specific interactions, while deeper web builds stay with developers or content-management suites. Procurement pressure may come from clients asking for clearer consent, analytics governance and fewer overlapping scripts. At the same time, site-builder bundling tends to reduce the need for standalone widgets, so usage may persist most where agencies value speed, template reuse and client-side maintainability over bespoke engineering.
Adoption by company size
Adoption of POWR 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 POWR (48 detected). 0.8% of the 1,903 companies with 10–50 employees run POWR (15 detected). 0.7% of the 146 companies with over 50 employees run POWR (1 detected). That is a 0.6% gap between the over 50 employees and under 10 employees bands.
63
Active firms
2026
7.8%
Of detected Widgets share
UK marketing agency
6
Median headcount
Filed accounts
126
Verified contacts
Across this cohort
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Key facts
About 3% of the trading cohort reports turnover above £5M (2 of 63 firms) — the rest sits below that revenue band.
11% of the cohort was incorporated since 2022 (7 firms), so a sizeable share is in its first few filing cycles.
Among marketing agencies with a detectable widget system, the widget technology ranks fourth by detected share at 7.8% (63 of 812), behind systems on 39.0%, 21.4% and 9.9%.
London is the largest registered-region cluster for marketing agencies running the widget technology at 28.6% (18), followed by the South East at 23.8% (15).
Co-detection points to site-builder-heavy deployment, with 96.8% (61) of the cohort also showing another website-platform technology.
Direct-marketing campaigns sit under ICO and PECR requirements; the ASA also applies the CAP Code to advertisers, agencies and media.
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.
Widgets market share among UK Marketing Agency
What else do POWR-running Marketing Agency run?
Share of the 63 POWR-running UK companies where each technology was also detected. As of June 2026.
Where POWR 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.
6
Median headcount
£479.9K
Median UK turnover
3.2%
Above £5M turnover
7
Incorporated since 2022
126 verified decision-maker contacts
across these 63 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK Marketing Agency using POWR
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 digital marketing services including brand identity and creative design, website design and e‑commerce development, search engine optimisation, PPC advertising management, social media…
Serves UK businesses, from start-ups to established companies, seeking external marketing support for brand launches, website growth, ecommerce sales and online visibility.
Financial Health
StrongStrong · 59% CAGR over 3y
Location
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Computed from 5 filingsProvides digital marketing services including search engine optimisation, Google Ads and social media advertising management, lead generation campaigns, website design and hosting, logo and graphic…
Serves businesses of all sizes globally, especially owners and managers seeking more online leads, sales and local customers through improved digital presence.
Financial Health
StableStable · -66% CAGR over 4y
Location
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Computed from 5 filingsProvides web design and development services focused on the Wix platform, including Wix Velo development. Also offers custom software development, digital marketing, and graphic design services for…
Serves businesses and organisations needing online support, including Wix website owners, SMEs, charities, education projects, and firms seeking digital marketing or design help.
Financial Health
StrongStrong · Hiring · 41% CAGR over 4y
Location
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Computed from 3 filingsProvides marketing technology services including marketing automation implementation, CRM integration, campaign management, and digital asset management tools. Also offers strategy support, campaign…
Serves B2B customers including start-ups, small businesses, agencies and small marketing teams, primarily marketers responsible for lead generation, customer engagement and campaign management.
Financial Health
StrongStrong · Hiring · 24% CAGR over 2y
Location
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Computed from 4 filingsProvides marketing and public relations services including digital PR, influencer campaigns, social media management, marketing strategy, branding and creative design, website development, event…
Serves B2B clients including retail and leisure businesses, business hubs, and small local businesses looking for outsourced marketing and brand support.
Financial Health
WeakWeak · Hiring · 12% CAGR over 3y
Location
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Computed from 5 filingsProvides website design and development services focused on audiences aged over 65, including user experience design, progressive web app development, emerging technology implementation, technical…
Sells to organisations targeting the over-65s market, including teams seeking website design, development, user experience and digital support for older audiences.
Financial Health
HealthyHealthy · -20% CAGR over 4y
Location
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Computed from 4 filingsProvides advertising and creative agency services including brand strategy, campaign development, creative concepting, content production, and marketing communications for commercial clients across…
Serves B2B clients, mainly brand owners and marketing teams at organisations commissioning advertising, brand and creative campaign work, including consumer-facing brands featured in its case studies.
Financial Health
StableStable · Hiring · 5% CAGR over 4y
Location
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Computed from 3 filingsDevelops branded games and virtual world experiences on the Roblox platform for businesses. Designs and builds interactive environments and gameplay used by brands for marketing, audience engagement,…
Serves consumer-facing brands and marketing teams seeking to reach Roblox audiences, especially companies looking to engage younger gaming communities through brand-led virtual experiences.
Financial Health
DistressedDistressed · -23% CAGR over 2y
Location
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Computed from 5 filingsProvides branded content and advertising services including content strategy, copywriting, social media content, video production, photography, design, CRM and SEO support. Produces marketing…
Serves B2B marketing teams and brand managers at businesses needing branded content support, with examples including retail/property groups, shopping centres and foodservice providers.
Financial Health
HealthyHealthy · Hiring · 41% CAGR over 4y
Location
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Computed from 3 filingsProvides B2B marketing services including video production, customer advocacy content, sales enablement materials, event filming, and content strategy. Produces case studies, product storytelling,…
Serves B2B brands and enterprise marketing, sales and customer advocacy teams, including global technology vendors and organisations launching products or promoting customer stories in new markets.
Financial Health
HealthyHealthy · Hiring · 27% CAGR over 2y
Location
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Computed from 5 filingsProvides public relations, marketing and communications services for motorsport and sports brands, including media relations, branding, graphic design, social media campaigns, website development,…
Serves B2B clients in motorsport, sport and entertainment, including brands, rights-holders, racing teams and high-profile organisations seeking PR, marketing, commercial and event support globally.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides advertising consultancy including strategic media planning and media buying across television, radio, outdoor, press and digital channels. Also delivers social media advertising, content and…
Serves businesses and organisations needing advertising support, including brands hiring graduates to senior managers. Targets clients across the UK and Ireland seeking media planning, digital…
Financial Health
WeakWeak · -12% CAGR over 4y
Location
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Computed from 5 filingsProvides creative studio and agency services, supplying senior creative leadership and specialist teams on a flexible basis to support branding, design, and campaign development for clients.
Serves businesses and in-house teams that need senior creative leadership and flexible specialist support, with resources scaled up or down around changing priorities and budgets.
Financial Health
DistressedDistressed · -62% CAGR over 4y
Location
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Computed from 3 filingsProvides branding, visual identity development, and website design services for nonprofits, small businesses, and mission‑driven organisations. Also offers custom graphic design, photography, and…
Serves nonprofits, churches, small businesses, and other mission-driven organisations, primarily leaders and communications teams focused on purpose-led outreach and audience engagement.
Financial Health
DistressedDistressed · -7% CAGR over 2y
Location
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Computed from 5 filingsProvides marketing and communications consultancy, specialising in communications and media planning. Works with brands and agencies to develop integrated campaign strategies, coordinate media…
Serves brands and client-side marketing teams, plus creative and media agencies. Customers include consumer sectors such as food, beauty, fashion and culture, with some B2B and international briefs.
Financial Health
StrongStrong · Growing, Hiring · 30% CAGR over 4y
Location
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Computed from 5 filingsProvides direct response television (DRTV) advertising services including TV media planning and buying, advert creative production, campaign analytics, and optimisation to generate immediate consumer…
Targets marketing directors and acquisition teams at consumer brands, retailers and charities using television to generate measurable sales, leads or donations, with budgets for direct response TV…
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
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Computed from 3 filingsProvides marketing and communications services for schools and education organisations, including social media management, paid advertising, video and photography production, drone imagery, graphic…
Serves education organisations, including schools, colleges and multi-academy trusts, selling to headteachers and school leadership teams engaging parents and local communities.
Financial Health
HealthyHealthy · Hiring · 58% CAGR over 2y
Location
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Provides branding and digital content services, including social media management, content planning, product and lifestyle photography, and creative production. Develops visual brand identities and…
Serves consumer-facing fashion, beauty, lifestyle and travel brands worldwide, targeting brand owners and marketing teams seeking support with digital visual identity, social presence and branded…
Financial Health
N/AN/A
Location
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Computed from 3 filingsDesigns and produces experiential marketing campaigns, immersive installations, and branded events. Provides creative concept development, design, and production for interactive environments and live…
Serves B2B clients including brands, PR and marketing agencies, retail landlords, shopping centres, cultural venues and destination operators seeking public-facing experiential campaigns and…
Financial Health
WeakWeak · Hiring · 12% CAGR over 2y
Location
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Computed from 2 filingsProvides branding, marketing and visual communication services. Acts as consultant, creator and curator on brand development, campaigns and creative content for corporate clients, including…
Serves corporate and institutional clients, including insurers, banks, engineering and construction groups, digital asset firms, robotics companies, luxury watch and retail brands, and…
Financial Health
DistressedDistressed
Location
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Computed from 5 filingsProvides food and drink product development and new product development (NPD) services, alongside brand strategy and design. Also delivers packaging design, graphic design, web design, illustration…
Serves food and drink companies, especially small brand start-ups and established brands seeking refreshes, working with internal teams across the UK.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsProduces live brand activations, experiential marketing events, pop‑up installations, product launches and promotional tours for brands and agencies. Provides creative production, design and…
Serves consumer brands and creative or marketing agencies worldwide that need support for live brand activations, pop-ups, experiential tours, influencer launches and sampling campaigns.
Financial Health
WeakWeak · -27% CAGR over 4y
Location
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Computed from 5 filingsProduces TV commercials, branded content, animation, channel idents, event media, and radio advertising; represents directors and photographers and manages production for advertising and media…
Serves brands, advertising agencies and marketing teams commissioning screen, audio and event-led campaigns, including clients across the UK and beyond.
Financial Health
StableStable · -66% CAGR over 4y
Location
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Computed from 5 filingsProvides creative production and management of corporate events, experiential marketing activations and brand campaigns. Services include event concept development, content production, event…
Serves B2B and public-sector clients, including brands, international corporations and government bodies, particularly marketing, communications and leadership teams running brand experiences,…
Financial Health
DistressedDistressed
Location
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Computed from 3 filingsProvides public relations and communications services including media relations, content creation, social media and influencer marketing, event planning and launches, copywriting, and contract…
Serves businesses and consumer-facing brands, particularly venues, product owners, festival and event organisers, and in-house marketing teams seeking PR, media, social and publishing support.
Financial Health
HealthyHealthy · 0% CAGR over 2y
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Computed from 5 filingsProvides marketing and media services including social media management, video content creation, copywriting, and editorial writing. Produces articles, interviews, travel guides, reviews, and…
Serves B2B clients including brands, restaurants, hotels, travel and experience providers, and music, food and wellness organisations seeking marketing, social media and editorial support.
Financial Health
WeakWeak · Hiring · 46% CAGR over 4y
Location
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Computed from 3 filingsProvides B2B sales development services including LinkedIn prospecting, lead generation, appointment setting, and outsourced sales closing. Uses automation tools and CRM integrations to build…
Serves B2B companies with high-ticket products or services, across industries and geographies, typically teams seeking to reach key decision makers and scale sales pipelines via LinkedIn.
Financial Health
DistressedDistressed · 0% CAGR over 2y
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Computed from 3 filingsProvides event management services for businesses, organising promotional and brand events. Also offers digital marketing and branding support, helping clients plan and deliver in‑person events and…
Serves businesses and CEOs seeking in-person events, PR and brand activity to reach customers, increase visibility and support sales growth.
Financial Health
DistressedDistressed · -29% CAGR over 2y
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Computed from 5 filingsPlans and delivers experiential marketing and brand activation campaigns. Services include brand partnership development, creative and technical design, event production, fabrication, logistics, and…
Serves consumer brands and agencies, especially drinks, telecoms and lifestyle brands, alongside festival groups, promoters, event organisers, shopping centres, stations and venues.
Financial Health
StrongStrong · Growing, Hiring · 63% CAGR over 4y
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Computed from 4 filingsProvides commercial printing and graphic design services, producing marketing materials on various substrates. Also offers direct mail fulfilment, print stock management, website design, and document…
Serves businesses and national institutions, from start-ups to larger organisations, that need printed materials, brand communications, campaign support, direct mail, document archiving or stock…
Financial Health
StrongStrong · Growing, Hiring · 18% CAGR over 3y
Location
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Computed from 4 filingsProduces short-form social media videos and campaigns. Services include concept development, filming, editing, and distribution planning tailored for platforms such as TikTok, Instagram and other…
Serves B2B brand and marketing teams seeking organic social media reach, including consumer brands, event-led businesses and organisations with audience-specific campaign needs.
Financial Health
StrongStrong · Hiring · 19% CAGR over 3y
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Computed from 5 filingsProvides public relations and creative communications services for entertainment and consumer brands, including corporate communications, social media campaigns, talent management, publicity, and…
Serves B2B clients in entertainment and culture, including film, television and gaming companies, consumer brands, and talent or studio teams with global audience ambitions.
Financial Health
HealthyHealthy · -52% CAGR over 5y
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Computed from 5 filingsProvides marketing and media services specialising in holographic and experiential campaigns. Creates 3D holographic displays using its Hypergram platform, and produces holographic, anamorphic and…
Serves global consumer brands, marketing departments, music artists and event organisers seeking experiential campaigns for product launches, retail activations and major sports or entertainment…
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
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Computed from 5 filingsProduces branded podcasts and audio‑visual content for businesses. Provides podcast creation, radio show and music programme production, studio hire, distribution and syndication, marketing and…
Serves B2B clients including brands, agencies, media companies and music industry teams seeking podcast, branded content, radio and social content support.
Financial Health
HealthyHealthy · Hiring · 24% CAGR over 4y
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Computed from 5 filingsProvides public relations, trade relations and market development consultancy for the wine industry. Plans and runs PR campaigns, media relations, events and social media promotion for wineries, wine…
Serves B2B clients in the wine industry, including small artisan wineries, wine-producing regions, global wine brands, UK-based wine businesses and retailers.
Financial Health
HealthyHealthy · Hiring · 26% CAGR over 4y
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Computed from 5 filingsProvides public relations and communications services, including media relations, integrated campaign planning, social media strategy, crisis communications, stakeholder engagement, and professional…
Serves organisations needing PR, media relations, stakeholder engagement, crisis communications and training, including brands and public-facing bodies seeking Welsh and wider UK audiences, with…
Financial Health
WeakWeak · -2% CAGR over 4y
Location
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Computed from 4 filingsProvides consultancy services for fashion, beauty and lifestyle brands, focusing on VIP relations, influencer marketing campaigns, and event planning and management to support brand promotion and…
Serves fashion, beauty and lifestyle brands, targeting brand, marketing and PR teams seeking external support around VIP relationships, influencer activity and events.
Financial Health
StrongStrong · Growing, Hiring · 43% CAGR over 5y
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Computed from 4 filingsProvides creative design services including motion graphics, marketing campaign assets, and 3D visual content. Works with entertainment brands and franchises to produce visual materials for…
Serves B2B customers in the entertainment sector, especially global entertainment brands and franchises, working with marketing, brand and production teams.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 3y
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Computed from 2 filingsDesigns and produces brand-led experiential events, exhibitions and family entertainment attractions for venues such as gardens, zoos and cruise lines, including themed trails and interactive…
Serves B2B clients in visitor attractions, leisure, hospitality and tourism, including gardens, zoos, cruise operators, holiday parks and entertainment IP owners seeking family-focused brand…
Financial Health
HealthyHealthy · 0% CAGR over 1y
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Computed from 5 filingsProvides direct mail marketing and mailing house services, including print management, data cleansing and screening, campaign preparation, and postal distribution. Handles addressed and partially…
Serves charities, hospices and other not-for-profit organisations managing supporter appeals and donor communications, alongside commercial-sector businesses with customer or prospect mailing needs.
Financial Health
StableStable · -75% CAGR over 4y
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Computed from 2 filingsProvides event management and marketing services, organising meetings, incentive programmes, conferences, exhibitions and product launches. Handles event design, branding, production and build for…
Serves businesses, brand teams and corporate event/marketing teams planning meetings, incentives, conferences, exhibitions, product launches and global conferences.
Financial Health
StableStable · -50% CAGR over 1y
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Computed from 2 filingsDesigns and delivers experiential marketing and employer branding campaigns focused on talent attraction and employee engagement. Provides concept development, creative strategy, and production of…
Serves leading organisations’ HR, talent acquisition and employer brand teams seeking employee engagement and future talent experiences.
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 1y
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Computed from 3 filingsProvides public relations and radio promotion services for country and Americana music artists and record labels. Plans and manages media campaigns targeting press, online outlets, radio, television,…
Serves country and Americana artists, record labels, music groups and artist management companies, including major labels and independents, targeting audiences across the UK, Europe, Australia and…
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 2y
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Computed from 5 filingsProvides direct mail and mailing fulfilment services for businesses, including data preparation, printing coordination, envelope insertion, polywrapping, and bulk postage handling. Manages end‑to‑end…
Serves businesses across Scotland and the UK that need direct mail campaigns, transactional mail and high-volume bulk mailings, including organisations managing customer acquisition and postal…
Financial Health
HealthyHealthy · -70% CAGR over 4y
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Computed from 5 filingsDesigns and delivers event activations and brand experiences, providing concept development, production, interior fit-outs and temporary structures for sports and promotional events, offering…
Serves brands, rights holders and event organisers in the sports and events industry seeking to engage sports fans at live events globally.
Financial Health
HealthyHealthy · Hiring · 26% CAGR over 4y
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How POWR 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.
POWR 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
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