11 Best Email Marketing Agencies in 2023 [Full Review]

Email marketing isn’t dead.

In fact, it’s fully alive and still very effective – especially today!

Whether you have an email list just sitting on your computer that you’re not too sure what to do with, or you have been using your email lists and not seeing the results you hoped for…

You won’t believe how lucrative those few simple email addresses could be in the hands of a good email marketing agency! 

Done right, email marketing can yield incredible results. For every $1 spent on email marketing, you can expect a $42 ROI, which is just one of the reasons it is still so successful today. 

So, what’s the catch?

Putting together and executing a successful email marketing campaign and automation flows can be tricky business. It’s time-consuming, and there are a lot of different technical factors to consider.

Thankfully, that’s where the professionals come in – digital marketing agencies that specialize in email marketing. And boy, are they good at what they do!

In this article, you won’t need to look any further, as we have selected the ‘best of the best when it comes to email marketing agencies.

So just sit back and enjoy the ride!

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    What is an Email Marketing Agency?

    An email marketing agency is a specialized group of marketers who focus on developing unique email solutions for their clients.

    These experts offer different skills in emailing, all striving to build, launch and manage an email marketing strategy for a wide range of businesses.

    Each email strategy will usually be designed according to a brand’s specific needs and client preferences.

    Let’s take a look at this video by LYFE Marketing to see what email marketing actually entails to get an idea of what an agency can do for you:

    There is a great deal of marketing generalists out there today, where some agencies will offer email marketing as just an add-on marketing service.

    However, if you can get your ‘hands on a specialized email marketing agency, they will usually be better at offering you a unique email marketing campaign, perfect for your type of business and target market.

    A dedicated email marketing agency can also be very effective at maximizing your client’s communication skills across different platforms. As well as helping you segment and target your customers in the most effective way possible.

    Summary: What is an Email Marketing Agency?

    An email marketing agency is a specialized group of marketers who focus on developing unique email solutions for their clients.

    So, what are the top email marketing agencies and how did we choose the best of the best?

    Let’s take a look:

    How We Evaluated Each Agency

    When it comes to finding an agency, it’s all about finding an agency that meets your specific needs and aligns with your specific email marketing objectives.

    With this in mind, we went ahead and selected the agencies that offer the best email marketing services across the world.

    We made our selection based on:

    • Their services and their team’s experience and expertise in email marketing.
    •  Detailed, verified reviews from reputable review sites, such as Clutch or The Manifest.
    • Successful track record and wide range of positive case studies.
    • Proof of providing unique, innovative email marketing strategies for each of their clients.

    Now for the fun part!

    Let’s take a look at the top email marketing agencies in the USA, UK, Europe and Australia: 

    11 Best Email Marketing Agencies

    1. Inbox Army


    Inbox Army

    Grapevine, Texas, USA

    Our Score



    Founded: 1990

    Location: Grapevine, Texas, USA

    Number of employees: 120


    • Email strategy and audits
    • Email campaign management
    • Marketing automation for email
    • Email template production
    • ESP vendor evaluation and migration
    • Email deliverability


    • eBay
    • Airbnb
    • Jockey
    • Spotify
    • Expedia
    • Purple


    Founded by one of the pioneers in email marketing, Inbox Army offers a full range of email marketing services. It is 100% ESP-agnostic and has a proven track record of serving over 5000 clients globally in over 25 industries and verticals.

    Inbox Army is a full-service, specialized email marketing agency that works for a wide range of businesses. They have worked in this field for many years, and their email experts offer over 250 years of combined experience!

    Inbox Army works with brands of all sizes, agencies, and email service providers to deliver best-in-class service, from production to ongoing support.

    They support over 50 ESP vendors, and their team is capable of building, deploying, and managing email marketing campaigns at scale.

    Inbox Army full service email marketing agency homepage


    Email Marketing Agencies - ProperExpression Logo


    Washington D.C.

    Our Score



    Founded: 2018

    Location: Washington D.C. and Chicago, Illinois, USA

    Number of Employees: 11-50


    • Email Marketing Strategy
    • Email Marketing Automation
    • Lead Scoring
    • Lead Segmentation
    • Drip Campaigns
    • Email Marketing Content
    • Revenue Marketing Strategy
    • SEO & SEM
    • Marketing Automation (HubSpot Partner)
    • Advertising
    • Content Marketing
    • Sales Process Optimization
    • RevOps


    • DeskDirector
    • Luminate+
    • VitusVet
    • PX
    • Robocorp
    • DrFirst


    ProperExpression is a full-stack agency that offers all the email marketing services needed to create and execute campaigns that drive real, measurable, results. They are also revenue marketing experts, with the skills to improve your revenue, profitability, ROI, and customer acquisition.

    ProperExpression is a full-stack growth marketing agency and HubSpot Partner that offers email marketing and marketing automation services to create scalable campaigns that drive measurable results. Their services include email marketing strategy, content creation, email automation, drip campaigns, lead scoring, and lead segmentation.

    They use a combination of data, expert analytics, and creative innovation to develop strategies that are customized to speak to your specific customers, at every step of their buying journey.  

    As a full-stack growth marketing agency, their focus is on achieving quantifiable results that impact your bottom line. They’re also pioneers in revenue marketing, and have extensive experience in B2B marketing, which makes them one of the best email marketing agencies for both B2B and B2C brands.  

    Email Marketing Agencies - ProperExpression Email Marketing Homepage


    Trendline Interactive


    Austin, Texas, USA 150

    Our Score



    Founded: 2010
    Location: Atlanta, Austin, Chicago, Guelph, and Portland, USA
    Number of employees: 150


    • Strategic consulting
    • Technology consulting
    • Email campaigns and program management
    • Analytics and insights


    • Airbnb
    • Wacom
    • Rent Path
    • Banfield Pet Hospital


    Trendline is an ideal choice for communicating and engaging with your audience while ensuring you deliver an optimal user experience. Many Fortune 1000 companies have used this email marketing agency. 

    Trendline is a specialized email marketing and communications agency that offers a range of unique services to its clients.

    In the world of many generalized agencies, they saw a gap and developed a focused email marketing solutions agency, offering email solutions to Fortune 1000 companies.

    Through their services, Trendline focus on developing effective CRM programs, while also helping their clients to offer a meaningful experience to their customers.

    You can either use them to help you set up and run your own email marketing campaign, or they can run them for you – the choice is yours!

    Trendline email marketing agency homepage

    4.Soap Media

    Soap Media Logo

    Soap Media

    Manchester, UK 25

    Our Score



    Founded: 2004

    Location: Preston and Manchester, UK

    Number of employees: 25


    • Research and planning 
    • Design and development
    • Digital marketing
    • Email marketing
    • Affiliate marketing
    • Digital consulting


    • American Gold
    • Merlin
    • Preston’s College
    • Money Super Market


    Soap Media is a Premier Google Partner and a Certified Hubspot Partner, proving their expertise. This agency has vast experience in email marketing and communications and has worked with many renowned brands. 

    Soap Media is a digital marketing agency that offers 13 years of experience in conducting email marketing. They have a dedicated team of email marketing experts, that focus on compiling and managing cost-effective email campaigns for all of their clients.

    In terms of accreditations, they are a Premier Google Partner and a Certified HubSpot Partner.

    In addition, Soap Media offer other digital marketing services, including digital consulting, designing and development. So if you’re interested in seeing what they offer, they also provide free consultations.

    Soap Media agency landing page

    “Email marketing has an ROI potential of 4400%”

    – Campaign Monitor


    5.The Good Marketer

    Good marketer logo

    The Good Marketer

    London, UK 10

    Our Score



    Founded: 2017

    Location: London, UK

    Number of employees: 10


    • PPC management
    • Email marketing
    • Social media management
    • SEO
    • Digital strategy
    • Content marketing


    • Brunel Air Cargo
    • The Camouflage Company
    • Skylab Studio.


    The Good Marketer provides more than just email marketing services. You can work with them to manage your social media strategy, SEO, content marketing and your PPC ads. 

    The Good Marketer is a small, innovative, digital marketing agency that works with mainly small to medium-sized businesses. While they offer a range of different marketing services, they also specialize in developing high-quality and unique email marketing strategies.

    This agency provides a team of email experts who take the time to understand a client’s business, as well as what type of interaction their customers enjoy the most.

    They then develop an email marketing campaign that suits the needs of the business, as well as the desires of the customers. They refer to this as maximizing the “conversion-optimized funnel.

    Email Marketing Agencies - The Good Marketer Email Marketing Homepage


    Rejoiner logo


    Newport, Rhode Island, USA 10

    Our Score



    Founded: 2011

    Location: Newport, Rhode Island, USA

    Number of employees: 10


    • Email list building
    • Email strategies
    • Copywriting
    • Designing emails
    • Email campaign management
    • Deliverability


    • HMVN
    • Guess
    • Big Chill
    • Mally
    • Mother Dirt


    Rejoiner can help your business from understanding your target audience to developing a sound email marketing strategy and ensuring your emails are delivered. You can also benefit from their copywriting services to engage your audience. 

    Rejoiner is a dedicated email marketing agency based in the United States. When it comes to providing expert advice and guidance in the world of email marketing, these guys definitely know what they’re talking about.

    Rejoiner is known for always taking a very ‘hands-on’ approach and offers a range of email software, tools, and marketing tactics for all their clients.

    They also work for many types and sizes of businesses while also focusing on developing email solutions for e-commerce companies.

    Rejoiner email agency homepage

    7. Fulcrum Tech

    Fulcrum Tech Logo. png

    Fulcrum Tech

    Philadelphia, USA 30

    Our Score



    Founded: 1998

    Location: Philadelphia, Pennsylvania, USA

    Number of employees: 30


    • Strategic planning and assessment
    • Email campaign management
    • ROI Growth assessments
    • Implementing email service providers
    • Email deliverability


    • Icontrol Networks
    • Wolters Kluwer Health
    • Trade Greeks LLC


    Fulcrum Tech has many years of experience behind its name and they deliver expert email design, copywriting, project management, and development services. 

    Fulcrum Tech is a full-service email marketing agency with a great deal of experience under its belt. They are known for delivering high-quality and unique end-to-end email marketing programs for a wide range of industries.

    From email designers, copywriters, coders, analyzers, marketing experts, developers, and project managers, they’re all involved in meeting the needs of their clients.

    They are also certified partners with Hubspot, Salesforce, and Listrak.

    In addition, Fulcrum Tech provides its clients with technology for email analytics, as well as an email ROI optimization tool.

    According to their client reviews, they are known for delivering top, interactive email marketing content and great email newsletters in industries such as finance, publishing, healthcare, and mobile.

    Fulcrum Tech email marketing agency front page

    8. Audience Serv

    Audience Serv Logo

    Audience Serv

    Berlin, Germany, Europe 

    Our Score



    Founded: 2008

    Location: Berlin and Munich, Germany. Barcelona, Spain. Amsterdam, Netherlands. Singapore. Hanoi, Vietnam.

    Number of employees: 70


    • Data-driven email marketing
    • Programmatic email marketing using the LiveSend algorithm
    • Lead generation
    • Email retargeting
    • Email template creation


    • Jaguar
    • Club Med
    • HSBC
    • PMG
    • Hugo Boss
    • Lazada


    Audience Serv has helped businesses all over the world with email retargeting, programmatic email marketing, email reporting, and lead generation strategies. 

    Audience Serv is an international agency that specializes in acquiring customers for businesses using targeted data-driven marketing campaigns.

    They are one of the best when it comes to direct customer marketing, striving to keep their strategies within your immediate budget. From defining your ideal audience, their expert team will then develop a unique email marketing campaign that strives to meet the preferences of your audience.

    They also offer specialized email re-targeting campaigns and other messaging contact methods to target customers.

    Audience Serv agency homepage


    Smart Mail Logo


    USA 6

    Our Score



    Founded: 2013

    Location: United States

    Number of employees: 6


    • Growing email subscriber lists
    • Personalized campaigns
    • Sequence workflows
    • Creating responsive email templates
    • Executing data integrations
    • Designing A/B tests
    • Customer segmentation
    • Copywriting and design
    • Detailed reporting


    • Cotton On
    • City Chic
    • French Connection
    • Skype
    • Jaycar
    • Sketchers


    Smart Mail has worked with various massive brands and offers everything you need for in-depth and successful email marketing. You can deploy A/B testing, leverage detailed analytics, and design unique email templates. 

    SmartMail is a specialized, e-commerce-focused email marketing agency known for delivering high-quality trigger-based email campaigns.

    Their team of experts literally lives and breathes email marketing and consists of professionals in strategy, design, coding, and client success.

    While they are e-commerce specialists, they also offer their services to companies in other sectors.

    In addition, SmartMail provide effective email marketing campaigns to brands throughout a customer’s lifecycle. Such initiatives include compiling welcome emails, cart abandonment follow-ups, post-purchases, replenishment, and win-back campaigns.

    SmartMail email agency front page




    London, UK 12

    Our Score



    Founded: 2005

    Location: London, UK

    Number of employees: 12


    • Mobile-responsive email templates
    • Campaign management
    • Email copywriting
    • Landing page design
    • Email list management and segmentation
    • Migration from other platforms
    • Developing signup forms on your website and Facebook page
    • Reports on all opens and clicks by email


    • HMV
    • BBC
    • The NH
    • Barclays
    • Tesco
    • Eventbrite
    • Mailchimp


    MailNinja is an innovative solution for email marketing. Many companies in the digital marketing space have used this email marketing agency, and they offer the full A-Z for email marketing. You can seamlessly migrate your services, design landing pages and use analytics. 

    MailNinja is an email marketing agency and Mailchimp Partner based in the UK. They come with more than 14 years of experience behind them and focus on developing email marketing strategies and programs for small businesses.

    This dynamic agency offers innovative email campaigns and aims to deliver powerful email marketing results for its clients. From the start, they assign you a dedicated campaign manager, who will be there to kick off your email marketing campaign and guide you through the whole process.

    MailNinja also offers different payment structures and campaign types that will suit your business objectives and budget plans.

    MailNinja homepage email agency

    11. Xugar

    Xugar Logo


    Melbourne, Australia

    Our Score



    Founded: 2016

    Location: Melbourne, Perth, Gold Coast, Sydney, Hobart, Brisbane, Canberra, and Adelaide, Australia

    Number of employees: 20


    • Targeted email strategies
    • Automation projects
    • Comprehensive email reports
    • A/B testing
    • Subscription growth


    • The Australian
    • Forbes
    • 9News
    • SBS
    • Digital Journal
    • Smart Company.


    Xugar is an excellent choice to grow your subscribers, develop email strategies targeted at your ideal audience and use analytics and data to perfect your email marketing approach. 

    Xugar is a growth-focused digital agency that offers a team of highly-skilled email marketing experts. They provide digital marketing, experience creation services and creative design in both media and the web.

    If you have an existing email list and want to use it to reach customers or to try reach more customers, then they will assist you in reaching your goals each step of the way. Or you can get them to run an entire email marketing campaign for you, from content creation to outreach and follow-up.

    In addition, Xugar offers other marketing services such as SEO, PPC / Google Ads, social media, and B2B marketing solutions.

    Xugar email agency homepage

    Summary: The Best Email Marketing Agencies in the USA, UK, Europe & Australia Are:

    • Inbox Army
    • Trendline
    • Soap Media
    • The Good Marketer
    • Rejoiner
    • Fulcrum Tech
    • Audience Serv.
    • SmartMail
    • MailNinja
    • Xugar

    The Potential of Email Marketing When Done Right

    Email marketing is a beautiful thing, and the potential is quite phenomenal:

    According to statistics, email marketing has an ROI potential of 28% more if first tested. In the e-commerce industry, 19.8% of online transactions have been driven by email marketing campaigns.

    There’s no doubt that the use of email continues to grow in popularity across the world. And small to medium businesses are still finding it one of the most effective marketing tools today.

    Just take a look at some more stats, and you’ll be blown away to see how email marketing hasn’t lost its sweet touch…

    Email marketing agencies - infographic of email marketing stats 2019 to 2022 by Orbelo
    Source: Orbelo

    Done right, email marketing will streamline your client communication and allow you to better identify new leads. A good email marketing strategy will also help you manage and nurture leads and close more deals.

    In addition, you can better manage your entire email communication with customers through most CRM solutions, which enables you to store all your customer information in one centralized location, where all relevant colleagues can access the info as they need it.

    The benefits are great. And the right email marketing agency will help you make the most of those benefits!

    Summary: The Potential of Email Marketing When Done Right

    Email marketing has an ROI potential of 28% more if first tested, and 19.8% of online transactions have been driven by email marketing campaigns. Email marketing has the potential to streamline your communication with clients and allow you to better identify customer leads. You can also better manage your entire CRM through email marketing.

    Our Two Top Picks

    For enterprises:

    Audience Serv for their dynamic and innovative email marketing solutions. They take all the relevant data into account in order to develop a unique email marketing strategy for each client that approaches them.

    For start-ups:

    MailNinja for its array of email specialists, who have a great deal of experience behind them. Able to tap into the full potential of any email marketing campaign for small businesses.

    Let’s Wrap it Up

    So, where do we go from here?

    Before you approach any email marketing agency, it’s best to gather all the email lists you have on hand and to make sure you have everything available and ready for them to access when needed.

    Then put together a set of clear objectives for your email marketing campaign or program. That way, when you approach an agency, you already have some goals in mind.

    Chances are they will highlight some even greater opportunities available to you that you might not have seen or recognized before.

    Then step out and get in touch with an agency that grabs your attention the most.

    When you start using email marketing the way it’s supposed to be used – well, let’s just say you’ll never look back!

    Frequently Asked Questions

    What is an email marketing agency?

    An email marketing agency is a specialized group of marketers and developers who focus on compiling unique email solutions for their clients. For further details on the benefits related to email marketing and to see which agencies are the best out there today, take a look at our full article.

    What does an email marketing agency do?

    An email marketing agency will start by trying to understand your type of business and to research what types of interaction your customers appreciate the most. If you're interested in finding out more, as well as seeing who the best email marketing agencies are, then don't miss out on our complete article.

    What are the best email marketing agencies?

    The best email marketing agencies are SmartMail, MailNinja, Inbox Army, and Audience Serv. I bet you want to see the full list of the top email marketing agencies! Then take a peek at our detailed article for all the ins and outs of each agency.


    The Ultimate List of Email Marketing Stats for 2022https://blog.hubspot.com/marketing/email-marketing-stats

    What is email marketing? https://blog.hubspot.com/marketing/best-email-marketing-services

    Top 100 email marketing agencies: https://clutch.co/agencies/email

    Top 100 email marketing companies: https://themanifest.com/email-marketing/agencies