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Digital Agency Companies in the UK: 3,000+ Active Firms (2026)
Digital agencies plan, build and optimise websites, campaigns and content for clients across the UK advertising and digital media market.
Buying centres usually sit with marketing directors, ecommerce teams, customer acquisition leads and digital transformation teams, rather than central IT alone. The buyer mix runs from owner-managed SMEs to mid-market brands and enterprise divisions, with public-sector communications teams buying similar work. Engagements usually look like retained planning and campaign management, website rebuilds, search and social programmes, or data-led advertising support, with delivery organised around account, strategy, creative, technical and campaign operations. Smaller agencies tend to sell project delivery; larger ones are more likely to carry recurring client relationships and specialist teams.
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The UK cohort contains 3,068 digital agency companies that are actively trading. It is not only a micro-agency market: 153 have turnover above £5M, while 223 were incorporated since 2022, leaving a mix of mature service providers and newer entrants. Reported headcount totals 4,351 people, so the employment footprint is modest relative to the number of legal entities. That pattern fits a sector where outsourced creative, paid-media and web-delivery work can be run through compact teams, freelancers and project partners.
Most digital agencies do not need a sector-specific operating licence, but their work is exposed to advertising and data rules. The ASA enforces CAP Code rules covering advertising claims and the use of personal data for marketing, while the ICO enforces UK GDPR and PECR obligations around consent, tracking and direct communications. Agencies sending campaigns for clients can also carry responsibility under the advertising code, not just the brand that pays the invoice. That makes governance less about prudential supervision and more about evidence trails: consent capture, audience selection, substantiation of claims, and clear controller-processor roles.
Retainer-funded agencies appear better placed to defend margins than build-only shops, as clients keep bundling web, content, paid media and analytics into a clearer supplier relationship. AI-assisted production may compress routine copy, reporting and asset work, but it also tends to raise the value of strategy, measurement and compliance judgement. Scale-up scarcity also matters: acquisition interest is likely to favour specialist teams with recurring client relationships, while very small agencies remain exposed to client churn and platform rule changes.
3,068
Active firms
2026
153
Over £5M turnover
223
Since 2022
incorporations
Key facts
About 4% of the trading cohort reports turnover above £5M (153 of 3,068 firms) — the rest sits below that revenue band.
7% of the cohort was incorporated since 2022 (223 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 growing 13.2% and accounting for £4 in every £5 of ad budgets.
The UK digital ad market reached £35.5 billion in 2024, with search accounting for 47% at £16.6 billion and video display reaching £8.3 billion.
Digital agencies are generally not subject to a sector-specific operating licence, but direct-marketing work still sits under ASA and ICO oversight.
The ASA enforces CAP Code rules on the use of personal data for marketing, while the ICO enforces UK GDPR, the Data Protection Act 2018 and PECR.
European digital advertising reached €118.9 billion in 2024, up 16%, with 67.2% of all advertising spend in Europe now digital.
Top UK digital agency companies
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
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
Mackerel Media Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides media planning and buying and digital marketing services, including paid search, paid social, display and programmatic advertising, SEO, analytics and measurement, and multichannel campaigns…
Serves B2B and B2C brands seeking media-led growth, including challenger banks, fintech/payment firms, payroll providers, luxury retail, drinks brands, ecommerce retailers and consumer product…
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 2y
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
Space & Time Group Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides media planning and buying, digital marketing, and marketing technology services. Uses data and analytics to manage SEO, PPC, programmatic, social and ecommerce advertising campaigns, and…
Serves marketing leaders and commercial teams at brands in property, health, eCommerce, retail and consumer sectors, from smaller challengers to larger organisations with measurable growth targets.
Financial Health
WeakWeak
Location
Echo Digital Media Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including brand strategy, performance marketing, media planning and buying, SEO and search advertising. Also offers campaign creation, digital PR, video and…
Serves B2B clients, including large brands and businesses globally, that need support with growth objectives, lead generation, conversions, ecommerce, PR, influencer activity and digital customer…
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides digital marketing and media services including SEO, digital PR, PPC advertising, paid social, affiliate marketing, analytics, and conversion optimisation. Plans and buys TV, radio, print and…
Serves businesses and brands seeking digital and media agency support, including ecommerce retailers, sports/events organisations and travel/leisure companies.
Financial Health
StrongStrong · Growing, Hiring · 52% CAGR over 3y
Location
Aira Digital Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including search engine optimisation, paid search and paid social advertising, digital PR, conversion rate optimisation, CRM and analytics, and marketing…
Serves B2B companies and other growth-focused businesses, especially marketing and revenue teams measured on leads, MQLs, recurring revenue and customer acquisition.
Financial Health
WeakWeak · -17% CAGR over 4y
Location
Evo Agency Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides digital agency services including web design, UI/UX, bespoke web and ecommerce development, technical consultancy, and paid media management such as paid search and paid social, along with…
Sells to ambitious B2B and consumer brands needing ecommerce and digital growth support, particularly marketing and ecommerce teams at retailers and multi-site businesses in sectors such as…
Financial Health
StableStable · 0% CAGR over 2y
Location
Reflect Digital Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including SEO, paid media, paid social, digital PR, content and outreach, and customer experience optimisation. Uses behavioural science insights to plan…
Serves businesses and marketing teams seeking digital growth, including eCommerce brands and organisations needing better audience targeting, traffic, leads, sales and marketing ROI.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 4y
Location
LAUNCH ONLINE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital performance marketing services including paid search, paid social, video and display advertising management, conversion rate optimisation, experimentation, performance creative…
Serves growth-focused brands and marketing/e-commerce teams across consumer, travel, retail and B2B sectors seeking customer acquisition and measurable ROI.
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 4y
Location
Seed Publicity Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides digital performance marketing services, including search engine optimisation, paid search advertising, social media marketing, public relations, and design. Develops data‑driven campaigns to…
Serves growth-oriented B2B and B2C brands, particularly socially responsible or ethical businesses, across sectors including ecommerce, hospitality, energy, education and technology.
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 5y
Location
THE SEO WORKS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides digital marketing services including search engine optimisation (SEO), pay‑per‑click advertising management, digital PR, content marketing and paid social campaigns. Also designs and…
Serves UK businesses seeking online customer growth, including B2B and B2C organisations across eCommerce, healthcare, education, manufacturing, professional services, SaaS and automotive sectors.
Financial Health
WeakWeak · -1% CAGR over 2y
Location
Liberty Marketing Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including search engine optimisation, pay‑per‑click advertising management, paid social and display advertising, content marketing, digital PR, social media…
Serves businesses and brands needing digital marketing support, including retailers, hospitality groups and manufacturers, with buyers likely to be marketing teams or business leaders seeking growth,…
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
CLICK CONSULT LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides digital marketing services including search engine optimisation (SEO), pay‑per‑click (PPC) advertising management, paid social media campaigns, content marketing, digital PR, analytics,…
Serves B2B and B2C brands of all sizes, including professional services, health and wellness, and ecommerce businesses, typically working with marketing teams and decision-makers responsible for…
Financial Health
WeakWeak · -10% CAGR over 2y
Location
IN DIGITAL MARKETING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and analytics services including digital planning, paid media management, conversion optimisation, performance creative, customer engagement campaigns, and data…
Serves marketing and commercial teams at growth-focused businesses, including ecommerce brands, media companies, travel businesses and professional services firms seeking embedded agency support.
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
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
True Digital Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing and creative agency services including digital strategy, brand development, marketing communications, UX design, media planning and development of digital products and websites for…
Serves marketing and digital teams in mid-sized and large organisations, including utilities, financial services, retail/leisure destinations, entertainment, sport, insurance and consumer brands.
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
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
NOVACOM LONDON LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides digital marketing services including web design and development, search engine optimisation, email marketing, social media management and advertising, animation and motion graphics, and…
Serves marketing and digital teams at established B2B and B2C brands, including finance, energy, consumer appliances, utilities and agribusiness organisations.
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 2y
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
FOUNTAIN PARTNERSHIP LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides digital marketing services including search engine optimisation (SEO), paid media management, pay‑per‑click advertising, digital PR, and conversion rate optimisation. Also offers analytics,…
Serves growth-focused businesses and organisations globally, including ecommerce brands, finance firms, SaaS companies and charities, with marketing, commercial and digital teams as likely buyers.
Financial Health
WeakWeak · -92% CAGR over 2y
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
WOLFENDEN AGENCY LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including search engine optimisation, paid media management, digital PR, user experience optimisation, and data‑driven marketing strategy. Works with e‑commerce…
Serves marketing leaders at fast-growing e-commerce businesses and established consumer brands, particularly in retail, travel, care, lifestyle and home furnishings.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
7DOTS LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides digital consultancy and marketing services, including digital strategy, website and digital experience design and development, data and AI analytics, search engine optimisation, paid media…
Serves considered-purchase brands and organisations, including insurance, agriculture, FMCG, higher education and corporate finance clients, typically marketing and digital leaders.
Financial Health
WeakWeak · Hiring · 8% 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
Right on the Line Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and creative services for B2B technology companies, including campaign strategy, advertising, content production, web design, video and animation, multi‑channel campaign…
Serves large B2B companies, particularly technology vendors and channel partners, with marketing teams seeking integrated creative, digital, campaign and demand generation support across the UK,…
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
We Are Catalyst Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and lead generation services including SEO, PPC advertising, social media marketing, content marketing, PR, CRM and HubSpot management, and website design and development,…
Sells to businesses needing digital marketing support, especially companies seeking lead generation, market entry, website projects, or outsourced marketing. Targets firms with in-house marketing…
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 4y
Location
Rise At Seven Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides search-focused digital marketing services including SEO strategy, onsite optimisation, content production, digital PR, and social media campaign management. Uses search and performance data…
Serves marketing and growth teams at B2C and B2B brands across retail, travel, beauty, healthcare, payments, telecoms and trade sectors, with clients in the UK, USA and EU.
Financial Health
StrongStrong · Hiring · 40% CAGR over 5y
Location
RELOAD DIGITAL LTD
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and technology services for brands and retailers, including paid search, paid social, SEO, influencer marketing, marketing automation, and data and technology solutions,…
Sells to brands and retailers needing digital marketing and technology support, particularly multi-market consumer, retail, beauty, fashion, sports and electronics businesses across Europe.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 6y
Location
House Digital Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides digital marketing services including search engine optimisation, paid advertising management, website design and development, content marketing, social media, email marketing, digital PR,…
Serves businesses with in-house marketing teams seeking external digital marketing support, training and performance growth across SEO, paid advertising, content, social, email and web channels.
Financial Health
StrongStrong · Hiring · 22% CAGR over 2y
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
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
Fanatic Design Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing, design and web development services. Activities include SEO, paid media, email marketing, conversion rate optimisation, branding, UX and web design, and development of…
Serves marketing and digital teams at UK and international organisations, including hospitality groups, media companies, ISPs, food and drink brands, education providers and industry bodies.
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 4y
Location
Inside Online Marketing Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides digital marketing services including search engine optimisation (SEO), paid media management, content marketing, digital PR, and website design and development. Also offers data analysis,…
Serves businesses seeking digital marketing support, including ecommerce, retail, insurance and IT services brands with website-led sales and marketing teams.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 3y
Location
Builtvisible Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides search engine optimisation (SEO), content marketing and digital PR services. Develops organic search strategies, runs search-led marketing campaigns, and offers consulting on data, digital…
Serves brand and performance marketing teams at established organisations, including leisure, travel and insurance brands, seeking support with organic growth, search-led customer journeys and…
Financial Health
DistressedDistressed · Hiring · 4% CAGR over 4y
Location
STRATEGIQ MARKETING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides marketing and digital strategy services including brand development, website design and build, search engine optimisation, performance marketing, data analysis and campaign management to…
Serves B2B organisations, charities and not-for-profits, including clients in retail, finance, travel and leisure, aerospace/technology and consumer brands, targeting marketing and leadership teams.
Financial Health
StrongStrong · Growing, Hiring · 11% 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
THE GOOD MARKETER GROUP LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides digital marketing services including social media advertising, pay‑per‑click advertising, search engine optimisation, digital PR, website design and development, content creation, email…
Serves UK SMEs and growing businesses, including eCommerce and D2C brands in fashion, jewellery, food and drink, health and beauty, pet care, FMCG, home and garden, education, and professional…
Financial Health
HealthyHealthy · Growing · 2% CAGR over 3y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides digital marketing services including PPC, social media and display advertising, search engine optimisation, and content marketing and PR. Develops data‑driven advertising campaigns, audience…
Serves challenger brands and B2B companies, primarily marketing and brand management teams seeking agency support for customer acquisition, lead generation, audience targeting and measurable growth.
Financial Health
StrongStrong
Location
Honcho Limited
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides search marketing services including search engine optimisation (SEO), pay‑per‑click advertising, paid social and digital PR. Develops and manages campaigns to improve online visibility,…
Serves ambitious brands and marketing teams across the UK, US and Europe, particularly in ecommerce, fashion, beauty, automotive, home and garden, finance, electronics and B2B sectors.
Financial Health
WeakWeak · -24% CAGR over 3y
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
KAL DESIGNS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including digital advertising, web and e‑commerce development, brand strategy, film and motion production, and media campaign management. Also develops data‑driven…
Serves B2B brands in personalised retail, mobile leisure and related sectors, targeting organisations needing digital marketing, web and eCommerce, brand strategy, film, motion and media campaign…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
Location
FIFTEEN DESIGN LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides web design and development services including e‑commerce websites, app development, and CRM/API integrations. Also offers branding and graphic design, digital marketing such as SEO and PPC,…
Serves businesses, charities, schools and public-sector organisations seeking digital, brand and marketing support, including ecommerce brands and teams focused on lead generation or growth.
Financial Health
WeakWeak · -5% 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
Kinase Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing services including paid search and paid social advertising, YouTube and video campaigns, shopping feed management, organic social media, analytics and measurement, and…
Serves B2B and consumer-facing businesses, especially ecommerce retailers and lead-generation companies, targeting heads of ecommerce, digital marketing managers and in-house marketing teams.
Financial Health
StrongStrong · Hiring · 12% CAGR over 5y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops brand strategy and produces social media campaigns and digital content for consumer brands. Works with creators to deliver marketing campaigns, cultural insights and trend reports used to…
Serves global consumer brands and marketing teams, especially in fashion, beauty, retail, hospitality, technology, food and drink, and lifestyle sectors.
Financial Health
WeakWeak · Hiring · 62% 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
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
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How UK digital agency companies work and how to sell to them
What they do
Website builds, paid-media programmes and content work are often sold as fixed-scope projects, then extended into monthly retainers for optimisation, reporting and campaign management. Revenue usually comes from professional fees, day rates, retained service packages and, in some cases, media-management fees or performance-linked bonuses. The delivery model is service-led rather than product-led, although agencies depend on software for design, analytics, workflow, hosting and campaign operations. Smaller firms often price around a defined deliverable, while larger agencies tend to bundle strategy, creative, technical delivery and account management into ongoing client relationships.
Who they sell to
Most agencies sell to marketing directors, ecommerce heads, founders, customer acquisition leads and digital programme owners. Owner-managed clients often buy through direct conversations and referrals, while mid-market and enterprise buyers usually involve procurement, finance and technical stakeholders before signing. Public-sector work tends to move through formal tendering, framework agreements or documented evaluation processes. Sales cycles are shortest for discrete campaign or website work and longer where the agency is taking responsibility for brand, analytics, customer journeys or regulated communications. Buyers tend to ask for sector evidence, delivery capacity, reporting cadence and clarity on how account teams will be staffed.
What they buy
Most digital agencies tend to spend on tools and services that protect margins, improve delivery control and make client reporting less labour-intensive. Common categories include CRM, proposal and contract software, project management, time tracking, billing, finance, marketing automation, analytics, tag management, consent management, cyber security, cloud hosting and collaboration tools. Agencies also buy specialist legal advice around client contracts, UK GDPR, PECR and intellectual property, alongside accounting, recruitment, freelance talent, training and outsourced technical delivery. Media-heavy agencies may have extra demand for audience analysis, attribution, creative testing and campaign QA, particularly where clients expect evidence for budget decisions.
Why and how to sell to them
Digital agency buyers tend to evaluate suppliers when new retainers stretch delivery teams, when reporting work starts eating into billable time, or when a larger client introduces stricter procurement, security or compliance requirements. Other useful triggers include senior commercial hires, a move from project work into retained accounts, new public-sector tender activity, or visible hiring across account, paid media and technical roles. Outbound messaging usually lands better when it is tied to agency economics: utilisation, margin leakage, client churn, proof of campaign performance, fewer manual reporting hours and clearer evidence trails for ASA, UK GDPR and PECR obligations.
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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