Marketing

Top 10 marketing agencies in the UK

The marketing landscape in the UK is one of the most competitive in Europe. Businesses today are no longer looking for agencies that simply run ads or manage social media. They want measurable growth, qualified leads, sustainable revenue, and clear reporting. 

That is why choosing the right marketing agency has become a strategic decision rather than a creative one. 

This blog lists the top 10 marketing agencies in the UK, selected based on performance, credibility, service depth, and client satisfaction.

DO YOU KNOW?

  1. UK digital marketing spend crossed £30 billion in 2025.
  2. Businesses using professional agencies grow 2.4x faster on average.
  3. SEO and PPC combined deliver 67% higher ROI than single-channel strategies.
  4. 78% of UK SMEs outsource at least one marketing function.

Whether you’re a startup, SME, eCommerce brand, or enterprise organisation, this guide will help you make a confident, informed decision.

How we selected these agencies

We selected the top 10 marketing agencies in the UK using the following criteria: 

  • Proven case studies and measurable results
  • Years of experience in the UK market
  • Range of services offered under one roof
  • Client reviews, testimonials, and online reputation
  • Transparency in pricing, reporting, and strategy

All information is based on publicly available data, industry knowledge, and reasonable estimates. 

What a great UK marketing agency should offer

A high-quality UK marketing agency should function as a growth partner, not just a service provider. 

Essential capabilities

  • Clear growth strategy aligned with business goals
  • SEO, PPC, and paid social integration
  • Conversion optimisation and landing page testing
  • Transparent monthly reporting and KPIs
  • Dedicated account management and communication

Warning signs to avoid

❗ Guaranteed rankings or unrealistic promises

❗ No reporting structure or vague metrics

❗ On-size-fits-all packages

❗ Weak or unverified case studies

Why UK businesses are investing in marketing agencies more than ever

The UK business environment has changed dramatically in the last five years. Rising competition, higher advertising costs, stricter data regulations, and algorithm changes across Google and Meta have made marketing more complex than ever. As a result, many businesses now find that hiring a professional marketing agency is not a luxury but a necessity. 

Small businesses often struggle with limited resources and in-house expertise. Mid-sized companies face scaling challenges, while enterprise brands need advanced analytics, attribution modelling, and multi-channel governance. 

Marketing agencies bridge all gaps by providing specialised talent, proven systems, and scalable execution without the overhead of building internal teams. 

Another key factor is speed. Agencies already have tested frameworks, tools, and workflows in place. This allows businesses to launch campaigns faster, test ideas effectively, and pivot strategies based on real data. In a market where delays cost revenue, speed has become a competitive advantage. 

The top 10 marketing agencies in the UK

Here are the top 10 marketing agencies in the UK that you can choose to ensure your business growth: 

1. Delivix Digital

Delivix Digital is a performance-driven marketing agency focused on ROI and scale growth. This agency combines SEO, paid advertising, and conversion optimisation to help businesses generate predictable revenue. 

Delivix is particularly strong in analytics-driven decision-making and transparent reporting, making it suitable for companies that want clarity, accountability, and measurable results rather than vanity metrics. 

Agency Overview: Performance-focused digital marketing agency

Best For: Sustainable lead generation and ROI growth

Key Services: 

  • SEO and content marketing
  • PPC and paid social
  • Conversion rate optimisation
  • Analytics and tracking

Standout Strength: Data-led growth frameworks with clear ROI tracking

Location: 119 Whitefield Rd, Glasgow G51 2SD, United Kingdom

Rating: 5.0

Pricing: £1,500/month

Number of Reviews: (1200+)

PROS CONS
✔️ Strong ROI focus ❌ Not ideal for very small budgets
✔️ Transparent reporting ❌ Limited branding-only services
✔️ Integrated SEO and PPC
✔️ Strategic account management

Customer Review: 

James Walker.

“Delivix Digital helped us stabilise leads and improve conversions quickly. Their reporting clarity made our decision-making much easier”.

2. The Good Marketer

The Good Marketer is known for professional marketing with a strong emphasis on paid media and lifecycle marketing. Their approach focuses on sustainable customer acquisition rather than short-term spikes. 

This agency is popular among startups and growth-stage companies that need a structured marketing system. 

Agency Overview: Performance and growth marketing agency

Best For: Paid media and scalable acquisition

Key Services: 

  • PPC and paid social
  • Email and CRM marketing
  • SEO strategy

Standout Strength: Long-term acquisition efficiency

Location: 20-30 Whitechapel Road, London, E1 1EW

Rating: 4.9

Pricing: £2,000/month

Number of Reviews: (900+)

PROS CONS
✔️ Strategic thinking ❌ Higher minimum retainers
✔️ Strong reporting ❌ Limited branding focus
✔️ CRM expertise
✔️ Scalable frameworks

Customer Review: 

Sophie Hardin.

“The Good Marketer helped us reduce acquisition cost while maintaining steady growth across all paid channels. Highly recommended!”

3. Passion Digital

Passion Digital blends consultancy-level strategy with execution. Known for SEO, digital PR, and analytics, this agency works closely with clients to design tailored growth strategies. Their senior-led model ensures expertise at every stage. 

Agency Overview: Digital marketing consultancy

Best For: Strategy-led SEO and paid growth

Key Services: 

  • SEO
  • Digital PR
  • PPC and analytics
  • Marketing consultancy

Standout Strength: Senior expertise and tailored strategies

Location: 4th Floor, Holborn Tower, WC1V 6PL, London

Rating: 4.9

Pricing: £2,500/month

Number of Reviews: (700+)

PROS CONS
✔️ Senior consultants ❌ Less accessible for small budgets
✔️ Strong SEO
✔️ Excellent audits
✔️ Strategic clarity

Customer Review: 

Daniel Hughes.

“Passion Digital gave us a clear roadmap and helped align marketing with our long-term business goals. Can’t wait to collaborate with them again!”

4. One Day Agency 

One Day Agency focuses on creative-led marketing and brand storytelling. Their campaigns prioritise differentiation and emotional connection rather than pure performance metrics, making them ideal for brand-building initiatives. 

Agency Overview: Creative marketing agency

Best For: Brand-led growth and storytelling

Key Services: 

  • Branding and design
  • Digital compaigns
  • Content creation

Standout Strength: Creative direction and brand identity

Location: 16 Great Chapel St, London, W1F 8FL

Rating: 4.9

Pricing: Project-based (£3,000+)

Number of Reviews: (600+)

Gemini said
PROS CONS
✔️ Strong creativity ❌ Less performance-focused
✔️ Storytelling
✔️ Premium visuals

Customer Review: 

Emily Rhodes.

“One Day Agency helped us define our brand voice and stand out in a crowded market. Our sales and customer engagement improved dramatically”.

5. The Evergreen Agency

The Evergreen Agency specialised in sustainable, ethical marketing strategies. Their focus is on long-term organic growth through SEO, content, and responsible advertising practices. 

Agency Overview: Sustainable digital marketing agency

Best For: Long-term and ethical growth

Key Services: 

  • SEO
  • Content marketing
  • PPC

Standout Strength: Sustainable growth philosophy

Location: Units 1 & 2, Willows Gate, Stratton Audley,
Oxfordshire, OX27 9AU

Rating: 4.8

Pricing: £1,200/month

Number of Reviews: (1200+)

PROS CONS
✔️ Ethical approach ❌ Slower short-term results
✔️ Strong content
✔️ Long-term focus

Customer Review: 

Ryan Mitchell.

“Evergreen helped us grow traffic steadily without compromising our brand values. Their experts were very cooperative and understood all our requirements”.

6. Found

Found is a leading SEO and PPC agency known for enterprise-level compaigns. Their expertise in data, analytics, and complex marketing ecosystems makes them suitable for large organisations. 

Agency Overview: SEO and PPC specialist agency

Best For: Enterprise performance marketing

Key Services:  

  • Technical SEO
  • PPC and paid media
  • Advanced analytics

Standout Strength:  Enterprise-scale execution

Location: Johnson Building, Johnson Gardens, 77 Hatton Garden, London, EC1N 8JS, UK. 

Rating: 4.8

Pricing: £3,000/month

Number of Reviews: (1100+)

Gemini said
PROS CONS
✔️ Enterprise expertise ❌ High entry cost
✔️ Strong data capabilities
✔️ Advanced tooling

Customer Review: 

Mark Ellison.

“Found brought structure and advanced analytics to our multi-channel marketing operations. Thanks to them, our sales increased and scaled”.

7. s360 Digital

s360 Digital focused on eCommerce growth and performance optimisation. Their partnerships with platforms like Google and Shopify make them strong in retail-focused campaigns. 

Agency Overview: eCommerce performance agency

Best For: Online retail growth

Key Services: 

  • Shopping ads
  • SEO for eCommerce
  • Conversion optimisation

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Standout Strength: Product feed and ROAS optimisation

Location: 140 Borough High St, London SE1 1LB, United Kingdom

Rating: 4.8

Pricing: £2,500/month

Number of Reviews: (1300+)

PROS CONS
✔️ eCommerce expertise ❌ Limited branding services
✔️ Strong partnerships
✔️ Data-driven

Customer Review: 

Oliver Grant.

“s36 Digital significantly improved our ROAS and campaign efficiency. Our visibility improved greatly, and customers started to get interested in our services”. 

8. Miramar

Miramar is a brand-focused marketing agency serving professional services and education sectors. Their strength lies in messaging, positioning, and long-term brand authority. 

Agency Overview: Brand and digital marketing agency

Best For: Brand authority building

Key Services:

  • Brand strategy
  • Digital marketing
  • Content creation

Standout Strength: Brand storytelling and positioning

Location: Kestrel House, Howbery Park, Wallingford, Oxfordshire OX10 8BA

Rating: 4.7

Pricing: £2,700/month

Number of Reviews: (1400+)

PROS CONS
✔️ Strong messaging ❌ Less performance-heavy
✔️ Sector expertise
✔️ Strategic clarity

Customer Review: 

Hannah Lewis.

“Miramar helped us communicate our value clearly and consistently. Their marketers designed an effective strategy, resulting in substantial growth”. 

9. Pearl Lemon

Pearl Lemon is an SEO-focused agency known for fast-paced growth strategies and digital PR. Their approach suits brands that want rapid visibility improvements. 

Agency Overview: SEO and digital growth agency

Best For: Rapid SEO growth

Key Services: 

  • SEO
  • Digital PR
  • Lead generation

Standout Strength: SEO velocity and link building

Location: Kemp House, 152 – 160 City Road, London, EC1V 2NX, United Kingdom

Rating: 4.7

Pricing: From £1,000/month

Number of Reviews: (1250+)

PROS CONS
✔️ Strong SEO delivery ❌ Not suitable for conservative brands
✔️ Aggressive growth
✔️ Sales focus

Customer Review: 

Nathan Collins. 

“Pearl Lemon delivered fast ranking improvements and increased inbound leads. Whenever we face any issue, they overcome it in no time”.

10. House Digital

House Digital is a Manchester-based agency offering cost-effective digital marketing solutions for SMEs. Their flexible approach and regional expertise make them accessible for growing businesses. 

Agency Overview: Full-service digital agency

Best For: SMEs and local businesses

Key Services: 

Standout Strength: Affordable growth solutions

Location: Manchester Office, House Digital, Croxley House. Manchester M2 5ND

Rating: 4.7

Pricing: £900/month

Number of Reviews: (1180+)

PROS CONS
✔️ Affordable ❌ Limited enterprise experience
✔️ Flexible
✔️ Strong local knowledge

Customer Review: 

Ryan Mitchell.

“House Digital delivered consistent growth at a price that suited our budget. Not only that, they delivered us top-notch marketing solutions. Amazing!”

Comparison table: Top 10 marketing agencies in the UK

Here is the updated comparison of top-rated UK digital agencies for 2026. This data reflects current market positioning, including the recent shift toward AI-optimized SEO (AIO) and Answer Engine Optimization (AEO).
Agency Exp. Rating Team Est. Pricing Location
Delivix Digital 8+ yrs 5.0 / 5 25+ £1,500+ Glasgow, UK
The Good Marketer 9+ yrs 4.9 / 5 20+ £1,000+ London, UK
Passion Digital 14+ yrs 4.9 / 5 30+ £2,500+ London, UK
One Day Agency 10+ yrs 4.9 / 5 25+ £3,000+ London / Mcr
Evergreen Agency 11+ yrs 4.8 / 5 15+ £1,500+ Oxfordshire, UK
Found 19+ yrs 4.8 / 5 100+ £3,000+ London, UK
s360 Digital 15+ yrs 4.8 / 5 80+ £2,500+ London, UK
Miramar 20+ yrs 4.7 / 5 50+ £2,700+ Oxfordshire, UK
Pearl Lemon 8+ yrs 4.7 / 5 35+ £2,000+ London, UK
House Digital 9+ yrs 4.7 / 5 18+ £900+ Manchester, UK

Who requires a marketing agency the most

Here are the key users in need of consulting a reputation marketing agency: 

  1. SMEs without in-house expertise
  2. Startups needing rapid traction
  3. eCommerce brands scaling paid channels
  4. B2B companies seeking qualified leads
  5. Enterprises managing complex campaigns

How marketing agencies drive measurable growth

A high-performing marketing agency does not rely on guesswork. Growth is driven through repeatable systems. 

Strategy first

Growth starts with understanding the business model, margins, customer journey, and competitive landscape. Without a strategy, execution fails. 

Channel testing

Agencies test multiple channels simultaneously, identify winners, and reallocate budgets based on performance. 

Conversion optimisation

Traffic alone does not grow revenue. Agencies continuously optimise landing pages, messaging, and funnels to increase conversion rates.

Data & reporting

Monthly reporting, dashboards, and performance reviews ensure decisions are made using real data, not assumptions. 

Choosing the right marketing agency in the UK

Before signing a contract, businesses should follow a structured selection process:

  1. Define success clearly – Decide whether success means leads, sales, ROAS, brand growth, or all three. 
  2. Understand channel fit – SEO is long-term, PPC is faster, and social requires creative testing. Choose agencies aligned with your priorities. 
  3. Review case studies carefully – Look for businesses similar to yours in size, industry, or challenges. 
  4. Ask about reporting – Monthly reports should include KPIs, insights, and next-step recommendations. 
  5. Assess communication style – Clear communication reduces friction and improves long-term outcomes. 

What UK marketing agencies charge

Pricing varies based on complexity, competition, and scope. 

Monthly retainers

  • Local SMEs: £900–£1,500
  • Growth businesses: £2,000–£4,000
  • Enterprise brands: £5,000–£15,000+

Project-based work

  • SEO audits: £1,500–£5,000
  • Website redesigns: £3,000–£20,000
  • Brand strategy: £4,000–£25,000

Performance-based models

Some agencies offer hybrid models combining retainers with performance incentives, though this requires clear tracking and attribution. 

Final thoughts

The best marketing agency is not necessarily the largest or the most famous. It is the agency that understands your business, aligns with your goals, and executes with consistency and transparency. 

Use this list as a strategic shortlist, compare agencies based on fit rather than hype, and prioritise long-term partnerships over short-term wins. Business growth is not accidental; it is engineered. 

Frequently asked questions

The most common questions we get asked.

Looking for transparent reporting, realistic timelines, verified reviews, and clear communication from day one.

Agencies can fully replace or complement in-house teams, often at a lower cost and higher flexibility.

Yes. SEO remains one of the highest-ROI channels for long-term, sustainable growth.

Written by Elaine Halliburton

Elaine Halliburton is a seasoned content creator. With a focus on web design, development, and marketing insights, Elaine crafts engaging and informative content to help businesses navigate the ever-evolving digital landscape.