Best Marketing Services Companies in London, United Kingdom
The 1146 best Marketing Services companies in London, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Gravity Global.
Ranked: Best Marketing Services companies in London
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Gravity Global Offering marketing communication, branding, and other services | $448M | 57 mo ago | 199 | — | HubSpot CMS HubApple iCloud MailMicrosoft 365+24 | 2 patents Patents concentrated in health & consumer products | — |
| 2 | Pattern Com 🦄 Provider of ecommerce services including marketplace growth, fulfillment, and software | $277M | 56 mo ago | 166 | David Wright Co-Founder & CEO | WordPressApple iCloud MailGoogle Workspace+33 | — | — |
| 3 | S⁴Capital Provider of digital advertising and content marketing services | $120M | 70 mo ago | 8,772 | Daniel Pinto Co-Founder & CEO | DrupalPHPAmazon Web Services+12 | 32 patents Patents concentrated in health & consumer products | — |
| 4 | Next 15 Digital marketing communications and public relations group | $93M | 51 mo ago | 5,372 | — | Apple iCloud MailMicrosoft 365Ruby+18 | — | — |
| 5 | MomentumABM Provider of digital marketing services | $54M | 75 mo ago | 49 49 → 50 (+2%) · sector median +54% | — | — | — | — |
| 6 | Instinctif Partners Provider of business communication consultancy services | $54M | 176 mo ago | 1 | Julian Walker Chief Executive Officer | WordPressMySQLPHP+20 | — | — |
| 7 | Croud Digital marketing service provider | $39M | 78 mo ago | 148 | — | Proton MailApple iCloud MailGoogle Workspace+23 | — | 4 awards |
| 8 | adm Provider of branding and marketing services | $37M | — | 72 | Ed Colflesh Group CEO | Apple iCloud MailMicrosoft 365Ruby+19 | — | — |
| 9 | Adthena Competitive intelligence solutions for SEM | $35M | 52 mo ago | 130 | — | WordPressMySQLPHP+32 | 4 patents Competitive intelligence and keyword analytics for search engine advertising platforms | 1 award |
| 10 | Ziflow Cloud based content proofing platform | $27M | 40 mo ago | 52 52 → 101 (+94%) · sector median +54% | Mat Atkinson Co-Founder and Non-Executive Director | HubSpot CMS HubSentryAtlassian Statuspage+35 | — | — |
| 11 | The Mothership Provider of branding services | $22M | 50 mo ago | 45 | Ben Fletcher Co-Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+14 | — | — |
| 12 | CONTEXT Provider of market research and business analytics services | $20M | 50 mo ago | 426 | — | — | — | 2 awards |
| 13 | Audiomob Provider of in-game audio advertising solutions | $16M | 16 mo ago | 9 | Wilfrid Obeng Co-Founder | Apple iCloud MailGoogle WorkspaceNode.js+14 | 48 patents Embedding and synchronizing audio streams within digital media and interactive content | — |
| 14 | Captify Online open web search intelligence platform in the advertising sector | $16M | 59 mo ago | 126 126 → 117 (-7%) · sector median +54% | Dominic Joseph Co-Founder | WordPressMySQLPHP+27 | — | 1 launch |
| 15 | Four Agency Worldwide Provider of branding, market research, and other services | $16M | 122 mo ago | — | Einir Williams Co-Founder & Managing Director | DrupalProton MailApple iCloud Mail+17 | — | 2 job openings · 1 internship · 1 launch |
| 16 | Ocapo Worldwide Digital Marketing and Lead Generation Technology and services | $14M | 119 mo ago | 1 | — | — | — | — |
| 17 | Passionfruit Developer of a platform for managing and optimizing influencer marketing campaigns | $14M | 22 mo ago | 31 | — | WebflowMobXcore-js+29 | — | — |
| 18 | Mark Allen Group Provider of specialist content through publications, digital resources, and in-person events | $14M | 79 mo ago | — | Ben Allen CEO | Apple iCloud MailRubyAnimate.css+18 | — | 1 award |
| 19 | Selbey Anderson Provider of digital marketing, advertising and PR services | $13M | 48 mo ago | 3 | Dom Hawes CEO | — | — | — |
| 20 | Newsflare Video marketplace for media companies | $11M | 54 mo ago | 37 37 → 61 (+65%) · sector median +54% | Jon Cornwell CEO | Cart FunctionalitySquarespace CommerceSquarespace+33 | — | 2 job openings |
| 21 | Science Magic Science Magic is a creative and strategic company that connects brands and talent to their communities to… | $10M | 48 mo ago | 93 | David Pemsel Founder & CEO | — | — | — |
| 22 | Investoo Group Provider of digital marketing solutions for financial trading brokers | $10M | 103 mo ago | 40 | David Merry CEO & Chairman Of The Board | WordPressMySQLPHP+19 | — | — |
| 23 | SmartFrame Provider of advertising and content marketing services | $8M | 28 mo ago | 7 | — | WordPressMySQLPHP+27 | — | 1 launch · 1 award |
| 24 | Clash Media Advertising Provider of lead generation, affiliate marketing, and advertising services | $8M | 203 mo ago | — | Simon Wajcenberg Ex-CEO | — | — | — |
| 25 | Anorak Digital agency providing content marketing and digital products | $6M | 91 mo ago | — | Matt Sellers Co-Founder | — | — | — |
| 26 | Keel London Provider of brand strategy and development consulting services | $6M | 19 mo ago | 18 | Keith Crook CEO at Keel London | — | — | — |
| 27 | Fifty Provider of AI based ID less ad servers | $5M | 66 mo ago | 45 45 → 53 (+18%) · sector median +54% | Simon Shaw Co-Founder & CEO | Apple iCloud MailGoogle WorkspaceD3+27 | — | — |
| 28 | Latimer Group Full service co-creation agency | $4M | 116 mo ago | 17 | — | — | — | — |
| 29 | Picnic Provider of advertising services | $4M | 33 mo ago | 14 14 → 35 (+150%) · sector median +54% | Matthew Goldhill Founder & CEO | — | — | — |
| 30 | Shopological Provider of digital & content marketing, and advertising services | $4M | 125 mo ago | 27 | Elizabetta Camilleri Co-Founder | — | — | — |
| 31 | Centuro Global Provider of digital marketing, business consulting, and HR services | $4M | 37 mo ago | 53 | — | WordPressMySQLPHP+21 | — | 1 launch · 1 award |
| 32 | Brave Bison Provider of content & influencer marketing, branding, and SMM services | $3M | 43 mo ago | 157 | Oli Green Chairman & CEO | ContentfulApple iCloud MailMicrosoft 365+24 | — | — |
| 33 | JIN Communication agency specializing in digital influence and public relations | $3M | 72 mo ago | 248 | Alexandre Villeneuve Co-Founder | WordPressMySQLPHP+16 | 34 patents Smart toilet sanitation and liquid dispensing technologies for automated flush detection and treatment | — |
| 34 | Once Upon A Time Full service marketing agency | $3M | 126 mo ago | 206 | Diane Charlton Co-Founder & COO | — | — | — |
| 35 | Hybrid Theory Provider of branding and advertising services | $3M | 120 mo ago | 23 | Dave Cooper Founder | — | — | — |
| 36 | SINE Digital Provider of performance marketing services | $2M | 25 mo ago | — | James Dale Founder & CEO | WordPressMySQLPHP+19 | — | — |
| 37 | Fanbytes Curated Influencer Network for Snapchat | $2M | 40 mo ago | 68 | — | — | — | — |
| 38 | UniTaskr Platform connecting businesses with students for freelance tasks and projects | $2M | 55 mo ago | 2 | — | TypeScriptFirebaseGoogle Maps+17 | — | 2 job openings · 1 internship |
| 39 | Data Practitioners Provider of marketing consulting services | $2M | 77 mo ago | 27 | Jean-Pierre Van Tiel CEO | — | — | — |
| 40 | Studiospace Provider of digital marketing services | $2M | 44 mo ago | 9 | Paul Bowman Co-Founder | Node.jsGSAPVue.js+21 | — | 1 launch · 3 partnerships |
| 41 | Augnet Provider of governance, SMS marketing, and compliance services | $2M | 78 mo ago | 5 | Daniel Gill Founder & CEO | — | 13 patents Patents concentrated in electrical & electronics | — |
| 42 | Ioconic Provider of branding services | $2M | 58 mo ago | 31 | Rob Sciama Co-Founder | — | — | — |
| 43 | Authentic Bespoke Provider of branding services | $1M | 48 mo ago | 7 | — | — | — | — |
| 44 | Electric Guitar Provider of digital marketing and advertising services | $1M | 12 mo ago | 3 | John Regan CEO | — | — | — |
| 45 | Moblox Provider of content marketing services | $995K | 59 mo ago | 4 | — | — | — | — |
| 46 | EntityX Provider of cross device ad server | $747K | 40 mo ago | — | Tom Quick Founder | — | — | — |
| 47 | Vyde Provider of outdoor advertising services | $682K | 56 mo ago | 12 12 → 17 (+42%) · sector median +54% | Sam Peters Co-Founder & CEO | — | — | — |
| 48 | Conversion Pattern Provider of advertising services | $500K | 45 mo ago | 6 | — | — | — | — |
| 49 | Packaged Living Provider of SEO and website development services | $436K | 38 mo ago | 9 | — | WordPressPleskMySQL+20 | — | 1 award |
| 50 | 59A Provider of branding, advertising, and media strategy services | $403K | 27 mo ago | 25 25 → 58 (+132%) · sector median +54% | Adam Ray Founder & CEO | SanityNode.jsVimeo+17 | — | 1 award |
Top 12 Marketing Services companies in London
#1
Series A · London, England · founded 2020 · 9 employees$16Mraised▾
Provider of in-game audio advertising solutions. This company enables brands to reach mobile gamers through non-disruptive audio ads integrated directly into games. It offers a simple plugin and SDKs for developers to easily monetize their games without impacting player experience. The technology delivers results for major audio and gaming industry leaders. The company's patented technology ensures effective ad delivery and helps advertisers connect with highly engaged audiences.
- Feb 2025Series A$5M
- Nov 2021Series A$14M
- Nov 2020Seed$2M
#2
Public · London, England · founded 2021 · 3 employees$1Mraised▾
Provider of digital marketing and advertising services
- Jun 2025Post IPO$1M
#3
Series A · London, England · founded 2020 · 31 employees$14Mraised▾
Developer of a platform for managing and optimizing influencer marketing campaigns. The platform provides tools for identifying relevant influencers, tracking campaign performance, and automating workflows. It facilitates collaboration between brands and influencers, streamlining the process of creating and distributing content. The platform offers features for measuring engagement, analyzing audience demographics, and reporting on key metrics.
- Jul 2024Series A$9M
- Jul 2022Seed$4.3M
- Dec 2021Seed$700K
#4
Seed · London, England · founded 2011 · 18 employees$6Mraised▾
Provider of brand strategy and development consulting services. They assist businesses in defining and strengthening their brand identities. This includes developing brand ideas, guiding businesses in understanding their core values, and translating that understanding into all aspects of their operations. The goal is to improve how a business is perceived internally and externally, impacting customer relationships, market position, and overall business success. Their services help clients build a consistent and compelling brand presence.
- Oct 2024Seed$6M
#5
Series D · London, England · founded 2009 · 199 employees$447.5Mraised▾
Offering marketing communication, branding, and other services
- Sep 2021Conventional Debt—
- Sep 2021Series D$447.5M
- Mar 2019Seed—
#6
Seed · London, England · founded 2015 · 7 employees$7.9Mraised▾
Provider of advertising and content marketing services
- Jan 2024Seed$110.2K
- Jan 2024Seed$145.2K
- Nov 2023Seed$145.2K
- Oct 2023Seed$277.7K
#7
Public · London, England · founded 2009 · 166 employees$277Mraised▾
Provider of ecommerce services including marketplace growth, fulfillment, and software. The company offers tools for product information management, influencer marketing, and marketplace management. Services include marketplace preparation, shipping, and direct-to-consumer fulfillment. The company provides brand and price control, advertising, and global expansion solutions.
- Oct 2021Series B$225M
- Aug 2020Series A$52M
- Jul 2010Grant (prize money)$1M
#8
Public · London, England · founded 1984 · 5372 employees$92.9Mraised▾
Next 15 is a digital marketing communications and public relations group that incorporates 17 subsidiary agencies in digital content, marketing, PR, consumer, technology, marketing software, market research, public affairs, and policy communications. Agencies include Bite, Text 100, The OutCast Agency, Lexis, M Booth, Beyond, bDA, Connections Media, Twogether, Encore, Morar, Story, Vrge, ODD London, Publitek, The Blueshirt Group. Also, provides marketing software solutions under the name of "agent3" to customers such as BT, Clearswift, CSC, Deutsche Telekom, Juniper, KPMG, Oracle, SAP, Sony, Tata among others.
- Mar 2022Post IPO$67M
- Nov 2018Post IPO$25.9M
#9
Series A · London, England · founded 2015 · 52 employees$27Mraised▾
Cloud based content proofing platform. The platform enables members to review content such as videos, images, web pages, and documents, add reviewers, collaborate on content, and track progress through final approval. It allows users to capture and review feedback on multiple file types.
- Feb 2023Series A$20M
- Apr 2021Series A$6M
- Aug 2020Seed—
- May 2020Seed$16.6K
#10
Seed · London, England · founded 2017$2.5Mraised▾
Provider of performance marketing services. It offers services such as digital strategy, creative content creation, data analysis, market research, social advertising, programmatic media buying, search engine optimization, and paid search.
- May 2024Seed$2.5M
#11
Public · London, England · founded 2014 · 8772 employees$119.7Mraised▾
Provider of digital advertising and content marketing services. It offers full-service campaign management analytics, brand activations, social media marketing, data analytics, creative production, advertisement serving, platform integration, transition, training, and education services.
- Aug 2020Post IPO$377.7K
- Jan 2019Post IPO$51.7M
- Dec 2018Post IPO$67.6M
#12
Series A · London, England · founded 2012 · 130 employees$35.1Mraised▾
Adthena provides competitive intelligence solutions for Search Engine Marketing including market insight, .gap analysis, SEM trends, Ad comparison, category performance, Ad-copy analysis, brand protection, and automated reports. Customers include American Express, AXA, ASDA, Adobe, British Gas, Barclays, Capital One, KIA, Fairfax Media, Toyota, Sky, Rabobank, Sony, Volvo, Yahoo among others.
- Feb 2022Venture Debt$13.5M
- Sep 2019Conventional Debt$5M
- Mar 2019Series A$14M
- Aug 2016Seed$2.6M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Marketing Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.