Top eCommerce Marketing Agencies in the UK (2025)

As more businesses make the shift online, eCommerce has become the cornerstone of modern retail. However, with millions of products vying for attention every day, capturing consumer interest is no easy task. Simply having an online presence isn’t enough. Today, businesses need a digital strategy that cuts through the noise and creates lasting impressions. 

This is where expert eCommerce marketing agencies play a pivotal role. These agencies help transform your brand from one of many to one that everyone remembers. A well-crafted strategy that combines SEO, social media, paid ads, web design, content marketing, and more, can drive traffic, boost conversions, and maximise revenue.

In this guide, we’ll introduce the leading UK eCommerce agencies for 2025, each known for their proven track record of helping brands scale and succeed. By the end, you’ll know exactly which agency can elevate your business to the next level.

We’ve curated a list of the top eCommerce marketing agencies in the UK for 2025. Each of these agencies offers a range of services designed to help your business thrive in the digital space. They’re recognised  for their ability to deliver results, build a strong online presence, and scale businesses to new heights.

1. Propeller

Propeller is a leading UK eCommerce marketing agency, offering a comprehensive range of services aimed at driving business growth. Specialising in web development, SEO, PPC, social media marketing, conversion rate optimisation (CRO), analytics, and UX/UI design, Propeller ensures every aspect of your eCommerce strategy is optimised for maximum impact. 

By integrating with top-tier eCommerce partners and technology, we deliver tailored solutions that boost conversions, increase repeat spend, and elevate basket value.

Notable clients: Twinings, BoySmells, Pocari Sweat, Mylands, Cleva, and Tivoli Audio.

Ready to take your business to the next level? Get in touch today or visit our home page to learn how we can help.

2. SixBySix

Located in Glasgow, SixBySix specialises in Magento (Adobe Commerce) eCommerce solutions. Their extensive experience with  high-transactional stores globally includes services such as design, user experience, internet marketing, and web integrations. Their international reach has allowed them to serve clients across the UK, Europe, North America, and Asia. 

Notable clients: Jaeger, Peacocks, The Edinburgh Woollen Mill, Financial Times and Macallan.

3. Magic42 

Magic42 blends eCommerce development, migrations, integrations, and SEO services. With expertise in platforms like Magento, Adobe Commerce, Shopify, and Shopify Plus, Magic42 helps B2B and B2C brands maximise their online potential. Their origins as an award-winning retailer give them unique insights into the eCommerce world. 

Notable Clients: Flying Spares, Stone Computers, Alan Paine, Haws.

4. R & W Media

R & W Media is a top Magento agency specialising in  custom Magento solutions designed to improve user experience and drive revenue. They craft engaging, user-friendly online stores tailored to boost both functionality and performance.

Notable Clients: Urban Rider, Mary Jane Fashion, Antler, Tommy, Cadet Direct Ltd.

5. DigiVertex

Based in London, DigiVertex focuses on driving growth through a combination of Shopify development, SEO, influencer marketing, and digital consulting. Their holistic approach ensures brands reach the right audience and scale effectively across various digital channels.

Notable Clients: Meze, Blum Coffee House, Habit-At, 215 Hackney, Common People.

6. StackUp Digital

StackUp Digital excels in building high-performance, headless eCommerce websites using Jamstack architecture. Their focus on secure, scalable online stores, improves  site speed, security, and conversion rates, streamlining eCommerce operations.

Notable Clients: P&G, Rowen, Watson, PureGym, ASDA, Ladbrokes.

7. Alphamax Digital

Alphamax Digital creates bespoke web designs and data-driven SEO strategies to drive organic traffic and increase visibility. Their mission is to help eCommerce businesses scale sustainably while staying ahead of the competition.

Notable Clients: Harnel TravelCations, AUDMA Integrated, Solid Sportswear, Dassahs Food.

8. Finley Design Digital

Based in Cambridgeshire, Finley Design helps startups and small businesses grow with custom eCommerce websites and digital marketing strategies. Their hands-on approach ensures that businesses of all sizes thrive, from initial setup to ongoing optimisation.

Notable Clients: The Bears Larder, Ride Leisure, Spectify Ltd, Ecoflo UK.

9. Narrative Industries

Narrative Agency, based in Bedford, integrates web design, eCommerce development, and digital marketing. They focus on improving efficiency, reducing costs and driving revenue with user-centered strategies that produce tangible results.

Notable Clients: Select Travel Holidays, WMUK, Wombat & Co, KBJ at Top Drawer.

10. Q-Online Ltd.

Q-Online specialises in performance-driven digital marketing, offering services in SEO, PPC, social media, web design and mobile apps. Their focus is on helping growth-oriented B2B and B2C clients achieve their goals while increasing profits.

Notable Clients: Osbornes Law, John Charles London, Lipton Fleming, UK Homes Enterprise, Janson Beauty.

An eCommerce marketing agency specialises in providing digital marketing services specifically tailored to online stores These agencies help businesses attract traffic, acquire customers, and increase revenue through strategies like SEO, PPC, content marketing, email marketing, and conversion rate optimisation (CRO).

With expertise in consumer behaviour and the nuances of different eCommerce platforms, these agencies play a pivotal role in scaling businesses. They rely on data and insights to craft strategies that enhance online visibility, drive qualified leads, and foster customer loyalty.

eCommerce marketing requires more than just digital marketing expertise—it demands an understanding of online consumer behaviour, platform dynamics, and specific eCommerce trends. Here’s why partnering with a specialised eCommerce agency is so beneficial:

• Industry Expertise: eCommerce agencies are well-versed in the latest eCommerce trends and digital marketing platforms. They understand what works and what doesn’t in online retail, ensuring your campaigns are always up-to-date and effective. 
• Access to Advanced Tools: Agencies utilise cutting-edge tools and analytics platforms to track performance and optimise campaigns. This ensures they deliver the best possible results for your business.
• Scalable Solutions: As your business grows, an agency can adapt and provide scalable strategies to match your evolving needs, ensuring continuous growth and success.
• Maximised ROI: Through targeted campaigns and continuous optimisation, agencies can help you achieve measurable, long-term ROI, driving sustained growth and profitability.

eCommerce marketing agencies provide a wide range of services that, when combined, help drive traffic, increase conversions, and ultimately boost sales. Here’s a breakdown of their key offerings: 

• SEO & Content Marketing: Agencies optimise product and category pages to improve search engine rankings and create valuable, high-quality content that resonates customer intent. This helps attract the right audience at the right time, driving more relevant traffic to your site.
• Paid Advertising (PPC & Social Ads): Agencies run paid campaigns on platforms like Google Ads, Facebook and Instagram, ensuring they generate immediate traffic, maximising ROI by focusing on the right keywords and demographics.
• Email Marketing & Retargeting: Agencies craft effective email campaigns to nurture leads and retarget visitors who abandoned their carts or haven’t purchased in a while, encouraging them to complete their transactions.

Top eCommerce marketing agencies set themselves apart with the following qualities:

• Proven Success: They have a history of success backed by detailed case studies and client testimonials that showcase their ability to drive measurable results. 
• Platform Expertise: Leading agencies know how to optimise your ecommerce store on platforms like Shopify, Magento, and WooCommerce, ensuring smooth functionality and peak performance.
• Innovative, Data-Driven Strategies: Top agencies rely on data insights to develop innovative strategies tailored to your business. This helps you reach the right audience and achieve long-term success.

Choosing the right eCommerce marketing agency is crucial to your businesses’ growth. Follow these guidelines to help you make an informed decision:

• Industry Experience: Select agencies with experience in your specific eCommerce niche. They should understand the unique challenges and opportunities your industry faces.
• Track Record: Review the agency’s portfolio and case studies to ensure their past successes align with your business goals. Proven results give confidence in their ability to deliver.
• Transparency: A reputable agency should provide clear KPIs and regular, detailed reports on performance. This transparency ensures you can track progress and measure ROI. 
• Cultural Fit: Choose an agency that aligns with your brand’s values and vision. They should seamlessly integrate with your team and serve as an extension of your business.

Key Questions to Ask Before Choosing an eCommerce Agency:

To assess if an agency is the right fit for your business, consider asking these questions:

1. “What experience do you have with businesses in my industry?”
2. “Can you provide case studies or examples of past successes?”
3. “How do you measure success and track KPIs?”
4. “What is your process for creating and implementing an eCommerce strategy?”
5. ”How often will we receive updates or reports on performance?”
6. ”What is your approach to scaling eCommerce strategies as my business grows?”
7. ”How will you collaborate with my internal team?”

When evaluating an eCommerce marketing agency, consider these key factors:

• Pricing & ROI: Ensure clear, transparent pricing and measurable ROI expectations.
• Industry Experience: Look for agencies with proven success in your niche.
• Service Quality: Expect data-driven strategies with defined  KPIs to guide their efforts.
• Case Studies & Testimonials: Review past work to verify their ability to deliver growth.
• Reporting & Communication: Expect detailed, regular performance reports.
• Scalability & Flexibility: The agency should adapt to your growing business needs. 
• Technology & Tools: Ensure they use advanced tools like AI and automation for efficiency.
• Contractual Terms: Check for clear deliverables, exit clauses, and flexibility in the contract.
• Cultural Fit: Choose an agency that aligns with your brand and integrates seamlessly with your team.
• Platform Expertise: Ensure experience with your eCommerce platform (Shopify, Magento, WooCommerce, etc.).
• UX & Design: The agency should optimise site design for improved user experience and conversions.

Consider hiring an eCommerce marketing agency if:

• Struggling with Traffic, Conversions, or Retention: If your website isn’t attracting the right traffic, converting visitors into customers, or retaining them over time, an agency can help refine your strategy.
• Lacking In-House Expertise: If your team lacks the expertise for advanced strategies like SEO, paid ads, or conversion optimisation, an agency can fill the gap. 
• Scaling Demands High-ROI Solutions: As your business grows, you’ll need scalable, high-ROI strategies. An agency can help manage this growth with tailored, data-driven solutions.
• Competitors Are Outperforming You: If your competitors are excelling in key areas like search engine rankings or paid advertising, an agency can help you close the gap.

Recognising these challenges early ensures you get the expertise and support needed to drive growth and stay competitive.

As we head into 2025, these trends are shaping the future of eCommerce marketing:

• AI Personalisation and Chatbots: AI will continue to enhance personalised shopping experiences, using customer data to offer tailored recommendations and real-time support via chatbots.
• Video Marketing and Influencer Strategies: Video content continues to drive higher engagement and sales, while influencer partnerships remain a key strategy, leveraging social proof to build trust and expand visibility.
• Sustainability and Ethical Branding: Consumers are increasingly prioritising sustainability and social responsibility. Brands focusing on these values will gain a competitive edge and foster stronger, more loyal customer bases.

Avoid these common pitfalls to ensure your eCommerce strategy stays on track:

• Slow Site Speed and Poor Mobile UX: Slow load times and a subpar mobile experience can frustrate users, resulting in high bounce rates and lost sales.
• Over-reliance on Ads: Relying solely on paid advertising without a balanced organic strategy can lead to unsustainable costs and missed long-term growth opportunities.
• Neglecting Email Marketing and Retention: Focusing only on customer acquisition without nurturing existing relationships, like email marketing, can hinder repeat business and long-term customer loyalty.

When investing in eCommerce marketing, here’s what you should expect in terms of ROI:

• SEO vs. PPC: SEO provides long-term, organic growth, while PPC delivers immediate results through paid campaigns. A balanced approach that incorporates both can maximise results.
• Key Performance Indicators: Measure success with key metrics like conversions, Customer Acquisition Cost (CAC), and revenue growth to ensure you’re reaching your business goals.
• Agency vs. In-house: Consider whether to work with an agency for expertise, scale, and efficiency, or keep it in-house teams for more control. The right choice depends on your resources, goals, and desired outcomes.

Partnering with the right eCommerce marketing agency can be a game-changer for scaling your online business. Whether you’re struggling with traffic, conversions, or customer retention, the right agency brings the expertise, tools, and data-driven strategies needed for sustainable growth. By understanding the services they offer, avoiding common mistakes, and staying ahead of emerging trends like AI, video marketing, and sustainability, you can keep your brand competitive in 2025.

The agencies listed in this guide are among the best in the UK. They offer tailored strategies that align with your unique goals, refine your online presence, and deliver measurable results. Take the time to assess their experience, track record, and approach to find the right fit for your business. With the right partnership, you can transform your eCommerce challenges into opportunities, ensuring long-term success in a fast-moving digital marketplace.

Looking to take your eCommerce business to new heights? Propeller’s team of experts are ready to turn your vision into reality. Contact us today to get started.