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Marketing Agency Companies in the UK: 57,000+ Active Firms (2026)
Marketing agency companies in the UK plan, buy and measure campaigns across digital, media and direct channels in a £42.6bn ad market.
Budget holders usually sit in marketing, ecommerce, sales and communications teams, with procurement and finance pulled in when the commercial commitment is material. Demand clusters around brand and content work, performance media, direct and customer marketing, and analytics or measurement. The customer base runs from owner-managed and mid-market businesses to enterprise accounts with national or international briefs; buying is usually by client-side teams rather than consumers. Smaller clients tend to buy project briefs and managed campaigns, while larger accounts expect account management, reporting cadence and audience segmentation across channels. The higher-value end is less about creative output alone than about operating the campaign machinery: data handling, production workflow, media operations and evidence that spend is moving acquisition, retention or awareness.
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57,160 marketing agency companies are actively trading in the UK, making the category a fragmented supplier base rather than a short roster of scaled agencies. The revenue-ranked end is thinner: 450 firms report more than £5M in turnover, while 16,631 have been incorporated since 2022. That mix points to low barriers to formation, with many specialist studios and campaign-operations businesses sitting below the larger account-service groups. Reported headcount totals 5,192 people among firms publishing employment totals, so employment visibility is concentrated where agencies have moved beyond a purely owner-managed model.
Marketing agencies generally operate without a dedicated sector licence, but individual campaigns can fall under data, consumer-protection and advertising rules. The ICO regulates data protection under GDPR and direct marketing under PECR, while Ofcom can act where public electronic communications networks are misused. The CMA and trading standards sit behind unfair-trading enforcement. The ASA applies the CAP Code to advertisers, agencies and media owners, so creative claims, targeting, promotions and influencer work need review before launch. Direct marketing agencies that belong to the DMA also face its code as a membership condition.
Early-commercial weight keeps the sector porous, with new studios and performance-media specialists entering around client demand for measurable acquisition. Scale-up scarcity appears likely to persist because agencies tend to sell people-intensive services unless they can turn repeatable delivery into templates, software-assisted process or owned audience insight. Regulatory pressure has been moving into campaign operations rather than sitting only with legal teams, particularly where personal data, consent and targeting are involved. Consolidation is likely to remain selective, with higher-turnover groups buying specialist capability and client relationships rather than capacity for its own sake.
57,160
Active firms
2026
450
Over £5M
turnover
16,631
Since 2022
incorporated
Key facts
About 1% of the trading cohort reports turnover above £5M (450 of 57,160 firms) — the rest sits below that revenue band.
29% of the cohort was incorporated since 2022 (16,631 firms), so a sizeable share is in its first few filing cycles.
UK ad spend reached £42.6 billion in 2024, up 10.4%, with online formats up 13.2%.
£4 in every £5 of UK ad budgets is now spent online, and search accounts for £16.9 billion.
Marketing agencies are not subject to a single sector licence, but campaign work sits across ICO, Ofcom, CMA, trading standards and ASA regimes.
The CAP Code applies to advertisers, agencies and media, while the DMA code is mandatory for DMA members working in direct marketing.
UK advertising and market research services exports were £15 billion in 2021, with the US the largest export destination at just under £3.9 billion.
Top UK marketing agency companies
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides media planning and media buying services for advertising campaigns across digital and offline channels. Manages paid social, SEO, paid search, influencer marketing, TV, radio, out‑of‑home,…
Serves B2B advertisers, brands and marketing teams seeking external media agency support for UK campaigns across digital, broadcast, print, out-of-home and direct mail channels.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
ANYTHING IS POSSIBLE MEDIA LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides marketing and media agency services including media planning and buying across digital and offline channels, PPC and SEO, content and creative production, and technology and data‑driven…
Serves businesses and organisations buying marketing support, including brand and marketing teams at organisations such as cultural institutions, research bodies and consumer brands seeking…
Financial Health
HealthyHealthy · -38% CAGR over 5y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and performance media services including SEO, paid search and social advertising, display and programmatic media buying, influencer marketing, data analytics, and web…
Serves marketing teams and growth-focused organisations, including B2B brands and companies in sectors such as fintech, property and housing, and pharmaceuticals, with an international client base.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
8 MILLION STORIES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including paid media management, search engine optimisation, social media marketing, content production, and data analytics. Develops digital strategies, audience…
Serves marketing and digital teams at large organisations and consumer-facing brands, including transport, media and financial services, often with international audiences.
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 4y
Location
NEIL PATEL DIGITAL LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides digital marketing services including search engine optimisation, paid media management, content marketing, social media, influencer marketing, digital PR, data analytics and website design.…
Serves marketing teams and senior marketers at large enterprise companies, with separate offerings indicated for SMB and franchise clients across multiple international markets.
Financial Health
WeakWeak
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and advertising services, including media planning and buying, strategy, creative development, data analysis, SEO/SEM, and influencer marketing. Uses a proprietary…
Serves enterprise and major consumer brand marketing teams seeking agency support, including retail, consumer goods, lifestyle and publishing brands with North American or global digital marketing…
Financial Health
HealthyHealthy · -54% CAGR over 5y
Location
JOURNEY FURTHER GROUP LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsOperates as a holding company for a group providing digital advertising and performance marketing services, including media and creative strategy, paid search and social advertising, programmatic…
Sells to businesses ranging from start-ups to leading brands that need performance marketing support, particularly marketing teams seeking growth through digital channels, strategy, creative and…
Financial Health
StableStable · 0% CAGR over 2y
Location
Local Planet International Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsOperates a global network of independent media agencies providing media planning and buying, digital marketing, data and technology services. Coordinates founder-led agencies to manage and optimise…
Serves B2B brands and advertisers with significant media budgets, especially organisations seeking global agency support across multiple local markets for strategy, digital, data, technology and…
Financial Health
DistressedDistressed · -8% CAGR over 5y
Location
MEDIA AGENCY GROUP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsPlans and manages advertising campaigns for brands across television, digital and outdoor media. Provides media planning and buying, audience targeting, campaign strategy, and creative development…
Targets marketing teams and brand managers at businesses and organisations that buy advertising, including consumer brands, entertainment promoters and retail and food advertisers.
Financial Health
DistressedDistressed · -70% CAGR over 4y
Location
Rathbone Advertising Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides media planning and buying services across traditional and digital channels, including outdoor, print, radio, cinema, TV, direct mail, search, display, video, social and digital audio,…
Serves B2B brand owners and marketing teams seeking offline and digital media campaigns, including outdoor, print, radio, cinema, TV, direct mail, search, display, video and social channels.
Financial Health
StableStable · 0% CAGR over 2y
Location
BLUE TIGER MARKETING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and media planning services for B2C and B2B clients, including media strategy, media buying, programmatic advertising, social and mobile campaigns, search marketing and…
Serves B2B and B2C organisations buying media and digital marketing support, particularly in leisure, tourism, retail, property, education, and technology and communications. Targets clients seeking…
Financial Health
StableStable · -66% CAGR over 4y
Location
ClickThrough Marketing Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including paid media management, search engine optimisation, content marketing, link building, conversion rate optimisation, web analytics, and digital strategy…
Serves B2C and B2B brands with established online channels, including retail, ecommerce, automotive, healthcare and payments businesses, targeting marketing and digital teams.
Financial Health
StableStable · -4% CAGR over 4y
Location
THE MEDIA NETWORK GLOBAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides media planning and buying services across television, radio, connected TV, video on demand, podcasts, search, social media and programmatic channels. Manages advertising campaigns,…
Serves B2B brand advertisers and marketing teams seeking multi-channel media support across TV, audio, digital, paid search, social, programmatic and retail media channels.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including search engine optimisation, pay‑per‑click advertising management, paid social campaigns, digital PR, content marketing, affiliate marketing, and creative…
Serves ambitious B2B and B2C businesses, from growing brands to larger companies, whose marketing teams seek external support to increase leads, sales and online conversions.
Financial Health
StrongStrong · Growing, Hiring · 30% CAGR over 4y
Location
Billion Dollar Boy Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides social media and influencer marketing services including campaign strategy, creative production, paid media management and performance analysis. Develops and operates proprietary software to…
Sells to brands and marketing teams seeking social-first influencer marketing, including consumer-facing companies in sectors such as FMCG, gaming, beverages and fashion, from campaign-based work to…
Financial Health
StrongStrong · -60% CAGR over 4y
Location
FINN PARTNERS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing and communications services including brand strategy, advertising, public relations, digital marketing, influencer marketing, corporate communications, crisis management, investor…
Serves B2B and B2C brands, associations and organisations worldwide across consumer, health, technology, financial services, education, energy, manufacturing, travel, tourism, sustainability and…
Financial Health
StableStable · Hiring · 43% CAGR over 4y
Location
JOURNEY FURTHER LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital performance marketing services including paid search, paid social, programmatic advertising, SEO, digital PR, influencer marketing, and creative strategy. Uses data analysis,…
Serves marketing and growth teams at leading brands and start-ups, particularly consumer retail, ecommerce, hospitality, health and lifestyle businesses seeking agency support.
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 4y
Location
THE MEDIA PEOPLE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides media planning and buying across online and offline channels, including search engine optimisation, paid and organic search strategy, data analytics, and content strategy. Develops…
Serves brands and marketing teams, particularly in property and travel, including developers, shared ownership providers, airlines and other consumer-facing organisations.
Financial Health
HealthyHealthy · Hiring · 29% CAGR over 4y
Location
The Red Brick Road Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides advertising and marketing services including brand strategy, creative campaigns, public relations, CRM, and social media marketing. Develops cross‑channel brand ideas and communications for…
Serves marketing and brand teams at consumer-facing businesses, including hospitality, retail, financial services, gaming, drinks and property brands, typically established organisations managing…
Financial Health
DistressedDistressed · -5% CAGR over 4y
Location
One Agency Media Limited
Trajectory
5y · 2021–NowFinancial sub-scores
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
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing and media buying services, including digital advertising, paid search and social, SEO, programmatic and campaign planning. Produces creative content and manages advertising across…
Serves businesses and brands, including automotive, retail and education organisations. Targets marketing decision-makers seeking support across paid media, digital, social, creative, outdoor and…
Financial Health
WeakWeak · -64% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and media services including paid media management, SEO and local search optimisation, local listing and reputation management, analytics and data science, creative…
Sells to businesses, particularly enterprise and multi-location brands seeking full-funnel digital marketing. Targets marketing teams needing local search, media, analytics, SEO, web and…
Financial Health
StableStable · Hiring · 7% CAGR over 4y
Location
Ptarmigan Media Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides media planning and buying services for financial services brands, using audience data, market insights and technology to plan campaigns, place advertising across channels, and deliver media…
Serves global financial services brands, particularly marketing and communications teams targeting specialist audiences across international markets.
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides media planning and media buying services across digital, print, broadcast and outdoor channels. Develops advertising strategies, manages campaign placement, and analyses performance for…
Serves B2B organisations and brands with paid-media needs, especially charities and not-for-profits, FMCG and technology companies, emerging brands, and challenger organisations with ambitious…
Financial Health
StrongStrong
Location
Summit Media 2.0 Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides digital marketing services for retailers and brands, including paid search advertising, search engine optimisation, and affiliate marketing. Develops and operates ecommerce marketing…
Serves large retailers and consumer brands on a B2B basis, particularly ecommerce and online retail teams seeking performance marketing support. Targets major UK and European retail businesses, with…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 2y
Location
SMITHFIELD & ASSOCIATES LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides media planning and media buying services for brands, developing advertising strategies, audience targeting and cross‑channel campaign plans. Uses data insights and performance measurement to…
Serves growth-focused brands and marketing teams, including organisations with commercial objectives that need media agency support, audience targeting and global campaign reach.
Financial Health
HealthyHealthy · Growing, Hiring · 2% CAGR over 5y
Location
MCCANN GLOBAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides advertising and marketing services, including brand strategy, creative campaign development, content production, digital and social media advertising, and marketing communications planning…
Serves marketing leaders and brand teams at large consumer brands and multinational organisations, with emphasis on global advertisers operating across multiple countries.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
MEDIA REACH ADVERTISING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides multicultural advertising and marketing services, including cultural insight consulting, digital marketing, media planning and buying, and creative campaign production to help brands reach…
Serves brands and public sector organisations across the UK, spanning B2B and B2C markets such as FMCG, retail, finance, technology and healthcare, that need to engage multicultural and diverse…
Financial Health
StrongStrong · Growing · 0% CAGR over 5y
Location
REPUBLIC OF MEDIA LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides media planning and buying services and advertising consultancy for brands and public sector organisations. Plans and manages campaigns across digital, broadcast, social, sponsorship and…
Serves consumer-facing brands and public-sector organisations, including sports betting, drinks, retail, transport, healthcare bodies and UK public bodies.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 5y
Location
Keyfort Group Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides digital marketing and online advertising services including search engine optimisation, website optimisation, web analytics, email marketing campaigns, content marketing and social media…
Serves high-value B2B enterprises and brands, including ecommerce, online gaming, finance, consulting, and media businesses seeking online customer acquisition and digital marketing support.
Financial Health
WeakWeak · Hiring · 22% CAGR over 1y
Location
The Kite Factory Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides media planning and buying services for brands and charities, using audience insight and data analysis to plan, place and measure advertising across channels including TV, out‑of‑home and…
Serves B2B clients including charities, consumer brands and commercial organisations, with examples spanning visitor attractions, NGOs, food and drink, and fitness or wellness brands.
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 4y
Location
White Spider Media Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides media planning and media buying services for advertisers, including digital display, content, programmatic advertising and search engine marketing. Conducts market and competitor analysis…
Serves B2B organisations, particularly financial services firms and advertisers running international campaigns, targeting marketing teams with media budgets.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
DECEMBER 19 LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides media planning and buying services for brands. Conducts audience and market research, develops media strategies, plans and purchases advertising across channels, and measures campaign…
Serves B2B and consumer brands, targeting senior marketing leaders and growth teams seeking agency support for media investment, audience strategy and campaign performance.
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 4y
Location
DML Marketing Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing agency services including brand strategy, creative design, digital and social media marketing, SEO, campaign development, and event planning. Works with B2B and B2C clients to…
Serves B2B and B2C organisations, including multinational technology firms, FMCG start-ups and public-interest bodies, typically working with brand, marketing, communications and campaign teams…
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
Propellernet Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including search engine optimisation, digital PR, paid media management, content strategy, technical SEO and analytics. Plans and runs campaigns across search,…
Serves B2B and consumer-facing brands, particularly marketing teams in travel, ecommerce, charities and non-profits, finance and insurance, health and beauty, and automotive sectors.
Financial Health
StableStable · -66% CAGR over 4y
Location
Flaunt Digital Ltd
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides digital marketing and development services including search engine optimisation (SEO), paid media/PPC management, digital PR, social media marketing, and website development, creating…
Serves B2B marketing teams at consumer and ecommerce brands, including retail, travel and jewellery companies, with emphasis on leading global brands in the UK and US.
Financial Health
StableStable · 10% CAGR over 1y
Location
GUERILLASCOPE LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides media planning and buying services for brands, managing advertising campaigns across channels such as TV and digital media. Develops media strategies, optimises campaigns, and supports…
Serves brand-side marketing teams at new and established businesses, including consumer brands in sectors such as fintech, beauty, sport, insurance and ecommerce.
Financial Health
StrongStrong · Hiring · 8% CAGR over 4y
Location
TIGERBOND HOLDINGS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides integrated marketing and communications services including public relations, social media management, digital marketing, search engine optimisation and campaign strategy, helping brands…
Serves national UK brands, large organisations, businesses and not-for-profits seeking to engage regional and local communities, with clients across retail, housing, cinema and healthcare.
Financial Health
HealthyHealthy · -78% CAGR over 3y
Location
Socially Powerful Media Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides influencer marketing services for brands, including campaign strategy, creator partnerships, paid social advertising, community management, and social video production. Uses proprietary…
Serves global brands and fast-growing startups, particularly consumer-facing companies in technology, fashion, food, beauty and lifestyle sectors, with buyers likely in marketing, brand, social media…
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides digital marketing and lead generation services for businesses. Creates and manages customer acquisition campaigns across social media, PPC, SEO and video platforms, producing advertising…
Serves B2B and B2C brands seeking customers across sectors including finance, insurance, home energy, healthcare, accountancy, business services, automotive and digital services.
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 2y
Location
Sleeping Giant Media Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including search engine optimisation, pay‑per‑click campaign management, social media marketing, digital PR, website migration support, and data analytics. Also…
Serves businesses and brand or marketing teams looking to improve online revenue, traffic and visibility, including organisations needing strategic support, training and analytics across digital…
Financial Health
StableStable · Hiring · 8% CAGR over 4y
Location
Re:Act Marketing Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and creative agency services, including social media strategy and management, campaign strategy and creation, media planning and buying, influencer and content creator…
Targets B2B marketing leaders at global consumer brands, particularly FMCG, health and beauty, and food and drink companies with social, influencer, paid media and campaign needs.
Financial Health
StrongStrong · Growing, Hiring · 102% CAGR over 4y
Location
STM AGENCY LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides digital marketing and creative agency services including branding, design, content production, web design and development, UX, SEO, and paid advertising. Develops marketing campaigns,…
Serves marketing teams and brand leaders at established B2B and consumer-facing organisations across sectors including travel, financial services, appliances, technology and manufacturing.
Financial Health
HealthyHealthy · Hiring · 51% CAGR over 2y
Location
SUBMISSION TECHNOLOGY LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides performance‑based digital marketing services focused on customer acquisition and lead generation. Operates owned reward and marketing platforms that drive traffic, sign-ups and app or game…
Serves B2C marketing teams at gaming and app publishers, consumer brands, and advertisers seeking performance-based customer acquisition, user growth, and lead generation, with emphasis on UK brands.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including search engine optimisation, paid search advertising, digital PR and social media marketing. Uses data and AI tools to improve brand visibility across…
Serves B2B marketing teams at consumer, ecommerce and lifestyle brands seeking external search, social and PR agency support, including organisations operating across multiple markets.
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
Location
C2o Media Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides marketing and lead generation services focused on customer acquisition. Runs partner and campaign programmes that qualify and supply sales leads for businesses in sectors including renewable…
Serves businesses seeking international customer acquisition, especially firms in renewable energy, home improvements, healthcare and pharmaceuticals, and legal and financial services, across both…
Financial Health
StableStable · -7% CAGR over 3y
Location
Ardmore Advertising & Marketing Limited
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides advertising and marketing services including campaign strategy, creative development, media planning, digital marketing, social media management, and design. Works with organisations to plan…
Serves brands, tourism and destination marketing organisations, transport operators, public bodies and councils seeking agency support for campaigns across the UK, Ireland and international markets.
Financial Health
HealthyHealthy · -0% CAGR over 5y
Location
Leagas Delaney Group Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides advertising and marketing services for premium and luxury brands, including consumer research, brand strategy, positioning, and creative campaign development and execution across multiple…
Serves premium and luxury brand owners and marketing teams worldwide, including clients in watches, travel, financial services, shipping, charities, spirits and consumer electronics.
Financial Health
WeakWeak · -71% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides influencer marketing and social media advertising services, planning and managing creator‑led campaigns for brands. Services include creator sourcing and contracting, content production,…
Serves B2B marketing, media and commerce teams at global consumer brands seeking creator-led social campaigns, including retail, FMCG, entertainment and financial services advertisers.
Financial Health
HealthyHealthy · -62% CAGR over 4y
Location
The Social Element Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides social media management and marketing services for brands, including 24/7 community management, social media strategy, content and campaign development, influencer marketing, paid social…
Serves global brands and their marketing, communications and social media teams, particularly consumer-facing companies in food and drink, automotive, retail, finance, property, gaming and charity…
Financial Health
StableStable · -60% CAGR over 4y
Location
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How UK marketing agency companies work and how to sell to them
What they do
Retainers, project fees and managed-campaign charges provide the revenue base for most marketing agencies, with media spend sometimes passed through separately and production work priced as discrete deliverables. Specialist agencies tend to sell a defined capability, such as paid acquisition, content production, brand development or lifecycle marketing, while larger groups bundle strategy, creative, media operations and measurement under account teams. Pricing usually follows a monthly retainer, statement of work or campaign fee, with performance bonuses used where attribution is credible and risk is shared. The commercial shape is still service-led: utilisation, freelancer spend, client churn and the ability to reuse process or templates matter as much as the idea itself.
Who they sell to
Client-side marketing and commercial teams are usually the route in, although finance, procurement, legal and information security tend to appear as deal value, data use or public visibility rises. Owner-managed clients often buy through referrals and direct conversations with founders or account directors; mid-market and enterprise buyers are more likely to run credentials meetings, chemistry sessions, competitive pitches and formal procurement. Decision-makers typically include CMOs, heads of marketing, ecommerce leads, communications directors and revenue leaders, with CFOs testing payback and contract exposure. Smaller briefs can close after a short discovery process, while retained or multi-market accounts usually involve several stakeholder reviews before appointment.
What they buy
Most marketing agencies tend to spend on tools and services that reduce non-billable work, improve delivery control and make client reporting easier to defend. Common categories include CRM, proposal management, project and resource planning, time capture, billing, finance systems, analytics, dashboarding, consent management, marketing automation, social scheduling, digital asset management and workflow approval. Agencies with media or data-heavy work also buy cloud infrastructure, data warehousing, tracking, security monitoring, identity management, backup and compliance support. Outside software, recurring suppliers include freelance creative talent, research providers, legal advisers, accountants, recruiters, training firms, insurance brokers and outsourced IT. The purchasing case usually has to connect back to margin, retention or delivery accuracy.
Why and how to sell to them
Marketing agency buyers tend to evaluate vendors when client wins stretch delivery capacity, reporting expectations rise, a channel specialism is added, or margin pressure exposes too much manual work. Leadership change, hiring bursts, acquisition activity, a new enterprise account or a compliance scare can also move buying from interest to budget. Outbound works better when it names an operational problem rather than a generic growth promise: fewer hours lost to status reporting, cleaner consent evidence, tighter resource planning, faster client onboarding or clearer attribution. Agencies are sceptical of abstract productivity claims, so category benchmarks, short diagnostic offers and proof that account teams will actually adopt the workflow usually carry more weight.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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