Top 10 digital marketing companies in the UK

In today’s fast-paced digital economy, businesses often fail because they reach out to the wrong people and neglect to capture the attention of the right audience, ultimately hindering online growth.

Being successful in a competitive market like the UK, where more than £30 billion was spent on digital marketing in 2024, requires high expertise to understand complex consumer behaviours, ever-changing algorithms, and competitive landscapes.

So, whether you are a well-established business seeking to increase your digital presence or a start-up looking to establish market presence, choosing the right digital marketing partner can make the difference between stagnation and exponential growth.

Here is a list of the UK’s top digital marketing agencies. Each brings unique strengths and has a proven track record to help British businesses grow in the digital age.

1. Delivix Digital

Standing out among all agencies in the UK digital marketing landscape, Delivix Digital is a premier choice for businesses seeking magical, transformative growth through top-notch and highly effective digital strategies.

If you need excellence across all digital touchpoints, Delivix is the go-to agency for you.

Based in Glasgow with reach throughout the UK, Delivix Digital employs a unique end-to-end approach to seamlessly integrate web development, design, and digital marketing from project inception.

At a time when all other traditional agencies are working in silos, Delivix Digital’s team of professionals collaborates across disciplines to ensure that every line of code, every marketing campaign, every pixel works together perfectly to maximise ROI.

We utilise all available means, including cutting-edge AI solutions, proprietary methodologies, and the creativity of professionals, to deliver measurable results that consistently exceed client expectations.

Our expertise spans the entire digital ecosystem, from using SEO strategies to help you rank higher in Google search results, to running high-converting PPC campaigns and managing effective social media.

This holistic approach ensures that clients not only benefit from marketing services but also achieve complete digital transformation.

Key Facts:

• Location: Glasgow, Scotland
• Year Founded: 2023
• Team Size: 50 specialists
• Key Services: Web Design & Development, SEO, PPC, Social Media Marketing, AI Solutions, Branding, Content Marketing, Ecommerce Development
• Industries Served: Small to Medium Businesses, Start-ups, Ecommerce, Professional Services, Technology

Notable Achievements:

For example, for Research Prospect, we have increased monthly organic traffic by 107.7% and gained hundreds of loyal subscribers on its YouTube channel, which has cumulatively generated 268.9K views and over 1.2K hours of watch time.

2. WebFX

Based in America with over 25 years of experience, WebFX brings international marketing excellence to UK businesses from its London branch.

What sets it apart is over 25 years of experience, with more than $10 billion in revenue for clients worldwide, making it a proven, results-driven agency in the industry.

WebFX employs a data-driven approach, utilising proprietary tools and advanced analytical indicators to deliver excellent results across all digital channels.

Key Facts:

• Location: London (48 Warwick Street)
• Year Founded: 1996 (UK office established 2016)
• Team Size: 500+ globally, 50+ in UK
• Key Services: SEO, PPC, Web Development, Content Marketing, Social Media, Marketing Automation
• Industries Served: Enterprise, E-commerce, Healthcare, Manufacturing, Finance

3. Pearl Lemon Group

Founded in 2016, the Pearl Lemon Group has evolved from a digital marketing agency into a comprehensive business conglomerate in a remarkably short period. Behind all this success is a team of professionals specialising in delivering effective SEO and lead generation services, which promise to double organic traffic on your site or pages within the first 120 days.

What sets it apart from others is its guarantee-backed approach and transparent reporting systems.

Pearl Lemon’s expansion across different businesses demonstrates its entrepreneurial spirit and commitment to delivering value beyond traditional marketing services.

Key Facts:

• Location: London (152-160 City Road)
• Year Founded: 2016
• Team Size: 51-200 employees
• Key Services: SEO, Lead Generation, B2B Marketing, Content Creation, Web Development
• Industries Served: B2B, SaaS, Professional Services, Ecommerce

4. The Social Shepherd

With the title of Best Large Social Media Agency in the UK for two consecutive years (2023-2024), Social Shepherd is a leader in social-first marketing strategies.

Based in Bath with multiple branches across the UK and the US, Social Shepherd has expanded its team from 44 to 67, comprising digital marketing specialists from around the world. So, regardless of your target audience, they have a cultural team that will ensure your product is promoted by someone who knows and connects with the audience.  

They are experts in creating viral content, managing influencer partnerships, and implementing performance-driven social media campaigns. These are the reasons major brands, including Uniqlo, easyJet Holidays, and Premier Inn, trust them the most.

Key Facts:

• Location: Bath (Primary), London, New York, Miami
• Year Founded: 2018
• Team Size: 51-200 employees
• Key Services: Social Media Marketing, Paid Social, Influencer Marketing, Creative Content, Video Production
• Industries Served: Ecommerce, Travel, FMCG, Fashion, Hospitality

5. Koozai

Since 2006, when Google search results were simpler and less advanced, Koozai has been delivering award-winning digital marketing services in SEO, PPC, and digital PR.

Based in Southampton, with branches in London and Preston, they have served hundreds of SMEs and businesses with bespoke digital strategies that have won both the UK Search Awards and The Drum Awards, recognising their services.

Key Facts:

• Location: Southampton (HQ), London, Preston
• Year Founded: 2006
• Team Size: 10-49 employees
• Key Services: SEO, PPC, Digital PR, Content Marketing, Web Development
• Industries Served: Ecommerce, Travel, Hospitality, Healthcare, Construction

6. Found

As the pioneer of cross-platform search marketing with their innovative Every Search methodology, Found has established its name in the market since 2004. Their team of professionals is well-versed in utilising data science, AI, and creative excellence to deliver optimal performance across all social media platforms.

Key Facts:

• Location: London (77 Hatton Garden)
• Year Founded: 2005
• Team Size: 50-99 employees
• Key Services: Paid Search, SEO, Performance Max, Video Advertising, Amazon Ads
• Industries Served: Ecommerce, Travel, B2B, Financial Services, SaaS

7. Passion Digital

Founded in 2012, Passion Digital utilises creative imagination to deliver performance-driven results. This is evidenced by the trust of brands such as Mazda, Octopus Investments, and Knight Frank, who are satisfied with Passion Digital’s innovative digital campaigns, which help drive measurable growth for their businesses.

Behind all of this is an approach that focuses on targeted solutions to the audience’s problems through creative strategic thinking, ensuring that every campaign delivers both impact and ROI.

Key Facts:

• Location: London (Holborn Tower)
• Year Founded: 2012
• Team Size: Under 49 employees
• Key Services: SEO, PPC, Social Media, Content Marketing, Analytics
• Industries Served: Automotive, Finance, Luxury, Software, Education

8. Loud Mouth Media

Loud Mouth Media is a comprehensive solution for businesses’ digital challenges. To reward their services, they have been awarded as PPC Agency of the Year (2024) and Integrated Search Agency of the Year (2024).

With offices in multiple locations, including Belfast, Glasgow, London, and Dublin, they demonstrate a strong presence in the market, delivering impactful results in digital marketing across the UK and Ireland.

With their Google Premier Partner status (2025) and consistent wins, they demonstrate their technical and skilful excellence.

Key Facts:

• Location: Belfast (HQ), Glasgow, London, Dublin
• Year Founded: 2011
• Team Size: 11-50 employees
• Key Services: PPC, SEO, Paid Social, Ecommerce, Performance Creative
• Industries Served: Ecommerce, Automotive, Travel, Education, Finance

9. M3.Agency

With over 20 years of heritage and a unique methodology based on the Modern Marketing Model, M3 has developed a customised combination of strategy and tactics tailored to each client.

Their multiple branches across Birmingham, London, Bristol, Cardiff, and Manchester are a testament to the success of this methodology.

From creative brand development to media planning and digital marketing, all these services make them ideal for businesses that need comprehensive marketing solutions.

• Location: Albrighton (HQ), Birmingham, London, Bristol, Cardiff, Manchester
• Year Founded: 1999 (rebranded recently)
• Team Size: 11-50 employees
• Key Services: Creative, Brand Development, Media Planning, Digital Marketing, Web Development
• Industries Served: Automotive, Education, B2B, Retail

10. CEEK Marketing

Founded in 2016, CEEK Marketing has gained the status of “the unfair advantage to the best brands in each sector”.

The secret of their success is their proprietary OCMX methodology, which creates effective marketing strategies to maximise reach across multiple platforms.

Key Facts:

• Location: London (120 Charing Cross Road)
• Year Founded: 2016
• Team Size: 10-49 employees
• Key Services: Digital Strategy, Social Media, SEO, PPC, Influencer Marketing, Email Marketing
• Industries Served: Multiple sectors with a specialisation approach

Comparison table: top 10 digital marketing companies in the UK

Key considerations when choosing your digital marketing partner

Before selecting any marketing agency, you should consider the following factors:

• Choose an industry expert agency that has a proven record of results and relevant case studies.
• Always select an agency with service integration capabilities across channels, as this will improve your business in all aspects.
• Understanding the target audience is most important, as strategies are designed accordingly. Always choose agencies that have a geographical presence and a solid understanding of the local market.
• Always consider team size and scalability, especially if you have greater business needs, so that you can achieve the required results promptly.
• Do not forget to check the pricing models and minimum contract terms.