10 Best Marketing Agencies in United Kingdom [2026 Updated]

1. Sitemile

• Focus: Web-development & SEO
• URL: https://sitemile.com/
• Overview: Sitemile agency provides an affordable way to digital marketing for your small business. Their team offers the best freelance wordpress developers out there, with prices starting from 50$/hr. Trusted by 30,000+ paying customers.

2. Ogilvy UK

• Focus: Full-service advertising and marketing
• URL: https://www.ogilvy.co.uk
• Overview: Ogilvy UK is part of a global network, handling major brand campaigns that blend creativity with measured impact. They offer services spanning brand strategy, PR, and digital, with a commitment to connecting clients and their target audiences meaningfully.

3. Saatchi & Saatchi

• Focus: Creative advertising and storytelling
• URL: https://www.saatchi.co.uk
• Overview: Saatchi & Saatchi is a British multinational communications and advertising agency network with 114 offices in 76 countries. They are known for bold creative that resonates with professional audiences, excelling in narrative-led marketing that ties product value to broader market shifts or social impact stories.

4. Wavemaker

• Focus: Media planning, content, and technology
• URL: https://www.wavemakerglobal.com/uk
• Overview: Wavemaker is a large media agency network with global billings of over US$38 billion. They merge media strategy with creative content solutions, ensuring each campaign invests in channels that produce tangible results, and have a strong analytics background to refine spend allocations.

5. The7stars

• Focus: Media planning and buying
• URL: https://www.the7stars.co.uk
• Overview: The7stars is the UK's largest independent media agency, offering media planning, buying, and strategic consultancy services. They pride themselves on transparency, flexibility, and delivering measurable results, working with a diverse range of clients from challenger brands to global leaders.

6. VML

• Focus: Brand experience, commerce and technology, and customer experience
• URL: https://www.vml.com
• Overview: VML is an international marketing and communications company specializing in brand experience, commerce and technology, and customer experience. Formed from the merger of Wunderman Thompson and VMLY&R, it employs more than 30,000 employees in 64 markets worldwide.

7. The Goat Agency

• Focus: Social media and influencer marketing
• URL: https://www.goatagency.com
• Overview: The Goat Agency is a global leader in social-first marketing, specializing in creating impactful, data-driven campaigns that resonate with audiences worldwide. They leverage the power of social media and influencer marketing across platforms like Instagram, TikTok, Twitch, YouTube, and Facebook.

8. Bartle Bogle Hegarty (BBH)

• Focus: Creative advertising and brand strategy
• URL: https://www.bartleboglehegarty.com
• Overview: BBH is a renowned creative agency dedicated to enhancing brand value through distinctive and effective advertising strategies. Established in London in 1982, they offer a comprehensive range of services, including communications, brand strategy, integrated marketing, and digital solutions.

9. Havas UK

• Focus: Integrated marketing and communications
• URL: https://www.havas.com
• Overview: Havas UK is part of the global Havas Group, offering integrated marketing and communications services. Known for its collaborative 'village' model, they bring together creative, media, and digital expertise under one roof to deliver strategic campaigns that drive meaningful connections between brands and audiences.

10. Jellyfish

• Focus: Performance marketing and digital transformation
• URL: https://www.jellyfish.com
• Overview: Jellyfish is a global digital marketing agency specializing in performance marketing, data analytics, and digital transformation. With a presence in over 30 offices worldwide, they help brands navigate the complexities of the digital landscape, partnering with industry leaders like Google and Facebook to deliver cutting-edge solutions.