Top Email Marketing Agencies in the UK to Boost Your Campaigns

Email marketing is still one of the best ways to connect with your audience. While social media gets a lot of attention, emails are personal, direct, and effective.

In fact, email marketing often gives better results than any other digital method, especially when done right. However, successful email marketing takes more than just sending out a few emails.

You need a clear strategy, creative content, the right tools, and knowledge of what works. That is why many businesses choose to work with expert email marketing agencies.

The UK has some great email marketing agencies that help businesses of all sizes grow through well-planned email campaigns. Whether you want to increase sales, build stronger customer relationships, or promote your services, there is an agency out there for you.

In this article, we will explore the top email marketing agencies in the UK that can help boost your campaigns and get actual results.

What Makes a Great Email Marketing Agency?

All email marketing agencies aren’t the same. A great agency stands out by combining brilliant strategy, creativity, and technical skills to deliver the results you want. Here is what you should look for:

1. A Clear Strategy That Works

The best agencies don’t just send emails; they plan campaigns with clear goals in mind. Whether it’s boosting sales, getting more leads, or keeping your customers engaged, they know what steps to take to get you there.

2. Strong Creative Skills

Design and content matter. A great agency knows how to create eye-catching email designs, write subject lines that get opened, and create messages that speak directly to your audience.

3. Technical Know-How

Email marketing involves a lot of tech, from automation tools to customer data platforms. A good agency knows how to use tools like Mailchimp, Klaviyo, or HubSpot to set up smart campaigns that run smoothly and reach the right people.

4. Data and Analytics

A good agency doesn’t guess—they use data to track how your emails are doing. They will test subject lines, measure click rates, and adjust their approach based on what is working (and what’s not).

5. Experience and Flexibility

You should look for agencies with experience across different industries and types of businesses. They should be flexible enough to adapt to your needs, whether you are a start-up or a large company.

6. Good Communication

Great agencies work closely with you. They take time to understand your brand, keep you updated, and are always open to feedback. You should feel like they are a true partner, not just a service provider.

Top 10 Email Marketing Agencies in the UK

If you also want to choose a trusted email marketing agency in the UK, here are the top-rated agencies known for providing outstanding results across various industries.

1. Arramton

Location: Teddington, UK

Founded Year: 2015

Arramton is a digital marketing agency that helps businesses grow through smart and creative email marketing.

They offer many services like designing email campaigns, setting up automated emails, creating personalised content, splitting audiences into groups, testing different versions of emails, and tracking results.

Their emails are designed to reach the right people, increase engagement, and turn leads into customers. They also make sure email marketing works well with other marketing strategies like online ads, SEO, and CRM systems.

By using advanced tools and tracking, they help businesses see what is working and improve over time. Whether it is attracting new leads or reconnecting with old customers, Arramton focuses on delivering measurable results based on each client’s goals.

Other Services Offered:

• SEO (Search Engine Optimisation)
• PPC (Pay-Per-Click Advertising)
• Web Design & Development
• Social Media Marketing
• Mobile App Development
• Branding & UI/UX Design

2. Soap Media

Location: Manchester, UK

Founded Year: 2005

Soap Media is a digital agency that helps businesses grow through effective email marketing solutions. They offer services like dividing audiences into groups, creating personalised email journeys, using dynamic content, and setting up full automation with many tools.

Their goal is to match emails with user behaviour and life stages to improve open and conversion rates. They also help with strategy, email design, and tracking performance.

Soap Media works on improving delivery and keeping unsubscribe rates low. With their skilled in-house design and content team, they create eye-catching emails that get results for industries like retail, healthcare, and education.

Other Services Offered:

• Paid Search (PPC)
• Content Marketing
• Web Design & Development
• Social Media Management
• SEO
• Retargeting & Remarketing

3. Mira Marketing

• Location: Newcastle upon Tyne, England, UK
• Founded Year: 2018

MIRA Marketing is an email marketing company in the UK that helps online shops and tech businesses grow through email marketing.

They set up email systems like welcome emails, reminders for customers who leave items in their cart, thank-you emails after someone buys, and messages to bring customers back.

They also design emails that look good on phones and computers and match your brand’s style, making sure people enjoy reading them. The team at MIRA takes care of everything, so you don’t have to worry.

They help make sure the emails reach the right people at the right time and always try to improve how the emails perform. If you want to keep in touch with your customers, increase sales, and grow your business through emails, MIRA Marketing is a great option to consider.

Other Services Offered:

• Pay Per Click
• Paid Social
• Web Design & Development
• Social Media Management
• SEO

4. The Good Marketer

• Location: London, UK
• Founded Year: 2017

The Good Marketer is a digital marketing agency based in London that helps small and growing businesses with their email marketing. They plan and send all types of emails, such as welcome emails, updates about new products, special offers, and messages to keep your customers interested.

They write and design the emails for you, making sure they match your brand and are easy to read. Their team works closely with you and takes care of everything from start to finish.

They also make sure your emails go to the right people and keep track of how they are doing. If you are looking for a team to help you grow your business by staying in touch with your customers through email, The Good Marketer can help you do that in a simple and effective way.

Other Services Offered:

• Pay Per Click
• Content Marketing
• Website Development
• Social Media Management
• SEO
• E-commerce Marketing

5. Tiger Systems

• Location: Cheltenham, England, UK
  
  
• Founded Year: 2016

Tiger Systems provides email marketing services that are effective. Their focus is on creating email messages that engage readers and offer the best results.

They create content for newsletters, promotional campaigns, welcome sequences, and customer retention flows. They offer both one-off campaign services and ongoing management.

From email design to audience segmentation and performance tracking, Tiger Systems ensures your campaigns meet marketing goals. Their simplified process and clear communication make them a great partner for businesses looking to grow their customer base through email.

Other Services Offered:

• Design & Branding
• E-commerce Solutions
• Website Development

6. Phoenix Marketing

• Location: Haywards Heath, England, UK
• Founded Year: 2020

Phoenix Marketing offers advanced email marketing automation and campaign services designed to help businesses scale. They focus on turning browsers into buyers using personalised emails, automation workflows, and retargeting strategies.

Their expertise spans platforms like Klaviyo and Mailchimp, and they customise campaigns to suit e-commerce, B2B, and service-based businesses.

The agency also supports lead generation and nurturing through planned drip campaigns. With a focus on data, Phoenix Marketing builds automated journeys that save time and increase conversions.

From onboarding emails to cart recovery sequences, their goal is to keep users engaged throughout the buying process.

Other Services Offered:

• Social Media
• Google PPC Ads
• SEO
• Lead Generation
• Website Design & Build
• Content Writing

7. Believe Digital

• Location: Bristol, England, UK
• Founded Year: 2010

Believe Digital is a Bristol-based digital agency offering email marketing as part of its many digital services. They help clients develop effective strategies and design visually appealing emails that show the brand's tone.

Their services include content creation, audience segmentation, automation, and performance monitoring. Believe Digital stands out by combining creative messaging with excellent targeting.

They use email marketing not just for promotions, but also for brand storytelling and customer retention. Their service will meet your audience’s interests and behaviours, which will help you build trust and loyalty with your customers as time goes by.

Other Services Offered:

• SEO
• PPC
• Social Media
• Performance Marketing
• Web Development

8. Pixated

• Location: London, UK
• Founded Year: 2018

Pixated is a performance marketing agency and is considered one of the best email marketing agencies in the UK when it comes to designing email campaigns. They focus on creating and automating sequences that lead to more clicks and conversions.

Their service includes customer journey mapping, A/B testing, and ongoing KPI analysis. Pixated offers fully managed services—from template design to copywriting and campaign setup.

Their approach is performance-based, so every campaign is tracked and improved depending on results. Whether you are launching a product or re-engaging past customers, Pixated’s team builds personalised campaigns that offer measurable outcomes.

Other Services Offered:

• Facebook Ads

• PPC

• UGC

• TikTok Ads

• Web Design & Development

• Creative Branding

9. CEEK

• Location: United Kingdom (London, Manchester, & Brighton)
• Founded Year: 2016

CEEK is also one of the top digital marketing agencies in the UK that includes email marketing in its integrated service offering. They specialise in creating personalised emails to increase brand engagement and customer loyalty.

Their team creates content for welcome emails, sales promotions, reactivation campaigns, and more based on your needs and goals. CEEK focuses on email as a part of your digital strategy.

They work with tools like Mailchimp and Klaviyo and use detailed data to optimise performance. They also offer creative copywriting, mobile-optimised templates, and detailed analytics.

Their campaigns are aligned with SEO, social media, and content efforts for maximum brand impact.

Other Services Offered:

• Social Media
• Paid Media
• Marketing Strategy
• SEO
• Content Creation
• Digital PR
• Influencer Marketing

10. Promodo

• Location: Lincoln, UK
• Founded Year: 2004

Promodo is a digital marketing agency that offers professional email marketing solutions that help boost retention and customer engagement.

Their team builds email strategies that include campaign creation, template development, audience segmentation, and performance analytics. This agency is different because of its focus on lifecycle marketing.

They build customer journeys that guide users from first contact to repeat purchases. Their services are backed by thorough research and analytics to ensure every campaign meets business objectives. Promodo adapts its services to various industries and platforms.

Other Services Offered:

• SEO (Search Engine Optimisation)
• Paid Ads
• Mobile Marketing
• Analytics
• UX/UI Design

How to Choose the Right Email Marketing Agency in the UK

All these email marketing agencies are the top ones. However, you may feel confused about how to choose the one that will meet your needs and the goals you want to achieve. Here is how you can select an email marketing agency in the UK.

1. Check Their Experience and Background

You should first look at how long the agency has been offering email marketing services. If they have many years of experience, they will usually understand what works and what doesn’t.

Try to find out if they have worked with businesses in your industry or of a similar size. This lets you know that they can handle your marketing challenges and goals properly.

2. Understand Their Full Range of Services

A good email marketing agency should do more than just send emails. They should also help you with the following:

• Plan campaigns
• Write clear and engaging content
• Design attractive templates
• Manage your contact list
• Track results

Some agencies also help with automation and setting up welcome emails or product reminders. You need to make sure they offer everything you need now and may need later.

3. Review Past Work and Client Feedback

Another thing you can do if you want to choose the right email marketing agency is to ask to see samples of the email campaigns they have completed to understand their style and approach.

Also, read online reviews or ask the agency if you can speak to some of their current or past clients. This gives you a better idea of how reliable they are and how well they have performed for others.

4. Ask About the Tools and Platforms They Use

Email agencies often use tools like Mailchimp, ActiveCampaign, Klaviyo, HubSpot, or Constant Contact. So, you should also check if they are experienced with the platform you already use or want to start using. If they know the tool well, it will be easier to get results and solve issues quickly.

5. Check Their Communication Style and Support

The agency you choose should be easy to reach and willing to answer your questions. They should explain things in a clear and simple way and keep you updated on your campaign’s progress. Good communication helps build trust and ensures you know what is happening.

6. Understand Their Pricing and What’s Included

Before you decide, ask for their clear pricing. Do they charge monthly or per campaign? How many emails will they send?

Does the price include strategy planning, content writing, reports, and regular meetings? You should make sure there are no hidden costs and that you are getting what you have paid for.

Avoid These Mistakes When Choosing an Agency

You can select your suitable email marketing agency by using the above-mentioned tips. However, ensure you are not making the following mistakes when choosing the agency.

1. Not Checking Their Experience or Past Work

One of the mistakes many most commonly make is hiring an agency without looking at what they have done before.

If they don’t have experience with email marketing or can’t show successful past campaigns, you may end up wasting time and money. So, be sure to ask for examples of their work and see if their style suits your brand.

2. Focusing Only on Low Prices

If you are only focusing on the low prices, it may lead to poor results. A low-cost agency might cut corners, use poor designs, or send emails that don’t perform well. That is why you need to focus on value. You should look for an agency that gives you good services at a fair price.

3. Ignoring Their Communication Style

If the agency is slow to respond, can’t be reached easily, or is unclear in how they explain things, you may not be able to work with them conveniently. A good agency will offer clear and easy communication, which is a key to running successful email campaigns.

4. Not Asking What’s Included in the Service

Some agencies only write emails or only send them — not both. Others might charge extra for reporting or design. If you don’t ask what’s included in the package, you might end up with unexpected costs or missing services. You should always check what you are paying for upfront.

5. Overlooking Their Tools and Platforms

Agencies work with different email tools like Mailchimp, Klaviyo, or HubSpot. If they are not skilled in the tool you are using or want to use, the campaign might not run smoothly.

So, avoid this mistake by making sure they know how to use the right tools and can help you with setup and management.

6. Not Checking Reviews or Client Feedback

Don’t just go by what the agency says about itself. You need to check what others say too. You should read reviews on Google, Trustpilot, or social media and ask for client references if needed.

Feedback from other businesses will help you avoid mistakes and pick an agency that can be trusted.

7. Choosing Without a Trial or Initial Meeting

Many agencies offer a free consultation or call before you sign up. If you skip this step, you miss the chance to ask questions and see if the agency understands your goals. You should take time to talk with them first.

Conclusion

So far, we learned that finding the right support for your email marketing isn’t just about big names or popular tools. It is about working with an agency that understands your brand, communicates clearly, delivers results, and supports your growth.

As we have explored, the best UK email marketing agencies like Arramton, Mira Marketing, and The Good Marketer offer helpful services that suit many business types.

However, it is important to check experience, pricing, communication, tools used, and past performance. This will help you avoid the mistakes that many businesses generally make when choosing an email marketing agency.

You will need an excellent agency if you want to boost your campaigns. This is where Arramton comes into play. We are here to help you get better results, every step of the way.

Get in touch with us today if you want to partner with the trusted email marketing agency in the UK and grow your business.

Frequently Asked Questions

Q1 What should I look for in an email marketing agency?

Ans You should look for an agency with proven experience, good client reviews, and an excellent portfolio. Make sure they understand your industry, offer clear strategies, and use the right tools for automation, personalisation, and reporting. A good agency should also communicate well and be easy to work with.

Q2 How long before I see results from email marketing?

Ans Some results, like better open and click rates, can be seen within a few weeks. However, bigger improvements such as more leads or sales usually take a couple of months, depending on your goals and the size of your audience.

Q3 Do email marketing agencies also handle social media?

Ans Some do, especially full-service digital marketing agencies. They may offer social media management, ads, and content creation alongside email campaigns. If you want both services, it's worth asking if they can manage everything under one roof.

Q4 Is email marketing better than social media marketing?

Ans Email marketing often gives better ROI and lets you speak directly to your audience. It is more personal and targeted. Social media is great for brand awareness, but email is usually better for driving actions like sales, sign-ups, or bookings.

Q5 Can I get a custom email marketing package in the UK?

Ans Yes, most UK agencies offer custom packages based on your needs, goals, and budget. Whether you need one-time campaign support or ongoing service, they will customise a plan that fits your business.