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Top 15 email marketing agencies in 2025

Reading Time: 14 minutes

If you’re thinking, “Why hire an email marketing agency when I can just use email software?” you might be missing out on a major marketing advantage.

Using email marketing software can help you create effective campaigns, but teaming up with an email marketing agency brings experience, tested strategies, and data-driven insights that software alone can’t provide. 

With an email agency, you’ll have access to the most advanced marketing tools and proven expertise. You’ll work with a team of professionals who know the nitty-gritty of email communications and give just what your business needs to excel.

So, if you’re ready to give it a try, we’ve got you covered. This article will provide a rundown of the 15 best email marketing agencies that are helping brands ace their campaigns and strategies.

We’ll cover what makes these agencies stand out, their service offerings, and why they might be the right fit for your business.

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What is an email marketing agency?

An email marketing agency is a company that helps businesses plan, create, and manage email campaigns to engage customers and drive sales. 

The services provided by email marketing agencies generally include strategy development, email content creation, and template design. They also ensure that emails reach the right audience.

Many email marketing firms also handle automation, segmentation, A/B testing, and analytics to maximize results. 

Top 15 email marketing agencies

Effective email marketing requires strategic planning, technical expertise, and data-driven execution — all of which an agency can provide. When you partner with the right email marketing agency, you can launch and manage email marketing campaigns that align with your brand goals. 

While many businesses partner with agencies for their email marketing needs, others opt for comprehensive marketing platforms like Omnisend or HubSpot, which offers professional email marketing tools with drag-and-drop editors, AI-powered content creation, and automation features built into their CRM system.

We’ve researched and shortlisted the top email marketing agencies based on their reputation, offered services, and client results. 

Jump to:

  1. Add People — Top digital marketing firm for SMEs
  2. Invisible Brands — Premier ecommerce email and SMS marketing agency
  3. Enflow Digital — Best ecommerce email marketing agency
  4. StudioForty9 — Leading performance marketing
  5. InboxArmy — Best full-service email marketing agency
  6. V8 Media — Revenue-driven digital marketing agency
  7. DOE Media — Top performance-driven B2B email marketing agency
  8. Sweat Pants Agency — Top-tier email marketing agency for fast-growing brands
  9. Liquify Design — Top Shopify email marketing services agency
  10. Skala Advisors — Best marketing agency for conversion optimization 
  11. TruSport Brands — Premier full-service digital ecommerce agency
  12. Yummyemail — Top email marketing agency for automated campaigns
  13. Intelligence Media — Best marketing agency for ecommerce business growth 
  14. EditStudio — Top marketing agency for fashion, beauty, and lifestyle brands 
  15. BusinessUp — Best email marketing agency for performance marketing

1. Add People — Top digital marketing firm for SMEs

Add People agency homepage
Image via Add People

Country: United Kingdom 
Number of employees: 221 employees

Services provided

Add People is one of the top digital marketing agencies serving small and medium-sized enterprises (SMEs) with a suite of email marketing services. 

It also offers pay-per-click (PPC) advertising, search engine optimization (SEO), social media marketing, website design and development, and ecommerce PPC management.

Pricing

Pricing details aren’t publicly available. Add People offers customized solutions based on individual business needs and goals.

Notable clients

Add People has collaborated with various companies, such as: 

  • Vonwold
  • GrowDudes
  • Mudd Concrete
  • Exersci
  • ROAS

Why choose this agency

Add People tailors its services to the needs of SMEs and has experts in all industries. It will create and action a bespoke marketing strategy no matter how niche your service offering is. 

2. Invisible Brands – Premier ecommerce email and SMS marketing agency

Invisible Brands agency homepage
Image via Invisible Brands

Country: Germany 
Number of employees: 11–50 employees (LinkedIn

Services provided

As a full-service email marketing agency, Invisible Brands offers end-to-end solutions for email and SMS marketing strategies, including strategy development, copywriting, design, setup, and optimization.

Pricing

The website doesn’t provide specific pricing details. You can contact the sales team to discuss customized pricing options.

Notable clients

Invisible Brands has achieved significant success through tailored email marketing strategies. It has worked with several prominent brands, including: 

  • Ere Studios
  • NAKT Studio
  • Betolz
  • Signs of Beauty
  • Neosupps

Why choose this agency

Invisible Brands prioritizes transparency in its processes. It shares insights and performance metrics with clients to build trust and ensure alignment with business goals.

3. Enflow Digital — Best ecommerce email marketing agency

Enflow Digital agency homepage
Image via Enflow Digital

Country: Lithuania 
Number of employees: 2–10 employees (LinkedIn)

Services provided

Enflow Digital specializes in ecommerce email and SMS marketing. It offers services like email service provider account setup and management, email and SMS audits and strategy, A/B testing, split testing, and email deliverability recovery services.

Pricing

The agency’s specific pricing details aren’t publicly disclosed on its website. However, it offers a free strategy session.

Notable clients

Enflow Digital has collaborated with over 50 ecommerce brands. Some of its notable clients include:

  • Alkaline Herb Shop
  • SensAsia Spas
  • Vetz Petz
  • Overnight Glasses

Why choose this agency

As a certified partner of leading digital marketing platforms like Omnisend, Enflow Digital uses advanced tools to optimize campaign performance. It’s also a top newsletter marketing agency that helps businesses launch highly personalized email campaigns.

4. StudioForty9 — Leading performance marketing

StudioForty9 agency homepage
Image via StudioForty9

Country: Ireland 
Number of employees: 11–50 employees (LinkedIn)

Services provided

StudioForty9 is a leading email marketing company whose services include email marketing for specialized platforms like Klaviyo and Shopify, pay-per-click advertising, and social media marketing.

Other services include conversion optimization, search engine optimization, website design (UX/UI, front and back-end development), and business process automation.

Pricing

For detailed pricing information, contact the StudioForty9 sales team directly.

Notable clients

StudioForty9 has worked with several prominent businesses, including:​

  • McKenna Man​
  • Intersport Elverys​
  • McElhinneys
  • Shaws Department Stores
  • Evergreen Healthfoods​
  • Rocks Jewellers​
  • Greenes Shoes​

Why choose this agency

With over 15 years of experience, StudioForty9 has partnered with more than 70 businesses, helping them achieve online marketing success. The agency is also recognized with multiple awards, including “Supplier of the Year” and “Most Trusted Website of the Year,” further demonstrating its expertise.

5. InboxArmy — Best full-service email marketing agency

InboxArmy agency homepage
Image via InboxArmy

Country: United States
Number of employees: 120+ employees

Services provided

InboxArmy is a full-service email marketing agency that provides services like email and SMS marketing strategy and campaign management, as well as email template design and coding. The agency also offers email marketing automation, ESP vendor evaluation and migration, and email deliverability services.

Pricing

InboxArmy offers custom pricing, catering to each client’s needs and business goals. 

Notable clients

The agency has served over 5,000 brands since 2016, ranging from startups to blue chip companies. Some of its notable clients are the following renowned brands:

  • Maven Lane
  • RCJuice
  • Zinch
  • Boie
  • London

Why choose this agency

InboxArmy stands out as a top B2B email marketing agency due to its extensive experience across over 25 industries. With its team of over 120 email marketers and certified experts in more than 40 ESPs, customers receive tailored solutions that drive results.

6. V8 Media — Revenue-driven digital marketing agency

V8 Media agency homepage
Image via V8 Media

Country: South Africa 
Number of employees: 11–50 employees (LinkedIn)

Services provided

V8 Media specializes in revenue-driven digital marketing strategies, offering services like Meta and Google advertising, funnel development, email marketing, copywriting, and AI integration.

Pricing

The agency doesn’t provide pricing details on its website.

Notable clients

Since 2018, V8 Media has collaborated with more than 300 brands, including: 

  • Momentum
  • Spark Schools
  • Planet Fitness
  • Thomson Reuters
  • Ascendis Health
  • Vision Works

Why choose this agency

V8 Media boasts a deep understanding of business economics. Its digital strategies have resulted in R1 Billion+ in sales for brands collectively since 2018 and have helped 50 founders achieve eight-figure revenues. 

7. DOE Media — Top performance-driven B2B email marketing agency 

DOE Media agency homepage
Image via DOE Media

Country: United States 
Number of employees: 50–200 employees (LinkedIn)

Services provided

DOE Media offers a free digital marketing audit. It also provides other core services, such as paid social media advertising and paid search advertising. Other services include lifecycle marketing, website design and development, and SEO.

Pricing

This email marketing agency customizes pricing based on individual client needs.

Notable clients

DOE Media’s client base includes notable names from various industries, including:

  • Akira Card
  • L9
  • Chirp
  • Girls Crew
  • Baliawear

Why choose this agency

What makes DOE Media stand out from other email marketing agencies is its EBITDA-driven performance acquisition, advertising, and retention marketing. It helps brands craft hyper-personalized strategies tailored across the entire marketing funnel.

8. Sweat Pants Agency — Top-tier email marketing agency for fast-growing brands 

Sweat Pants Agency homepage
Image via Sweat Pants Agency

Country: United States 
Number of employees: 11–50 employees (LinkedIn)

Services provided

Sweat Pants Agency is a distinguished marketing firm recognized for propelling multiple companies to the top of the Inc. 5000 list. Its range of services includes email and SMS marketing, Meta advertising, Google advertising, LinkedIn advertising, TikTok advertising, and creative services (landing page creation, design, video editing, etc.).

Pricing

Sweat Pants Agency doesn’t provide pricing information on its website. However, it offers a free marketing plan to get you started.

Notable clients

The agency has worked with several prominent clients, including:

  • SnapNurse
  • Amazon
  • Hunt A Killer
  • BombTech Golf
  • SugarWish
  • I’m The Chef Too

Why choose this agency

Sweat Pants Agency delivers high-impact advertising across major digital platforms like Meta, Google, LinkedIn, and TikTok. It states that its 40+ clients have generated billions in revenue and have taken two of its clients from zero to the Inc. #1 fastest-growing companies in their categories.

9. Liquify Design — Top Shopify email marketing services agency

Liquify Design agency homepage
Image via Liquify Design

Country: United Kingdom 
Number of employees: Not publicly available

Services provided

Liquify Design provides services specifically for Shopify and Shopify Plus. Its key offerings include Shopify SEO, content marketing, theme development, store redesigns, and tweaks. It also offers Shopify migration planning and support, Shopify audits and consultancy for store performance, and paid advertising and data feeds.

Pricing

Its plans include: 

  • Ongoing SEO: $3,500+/month
  • Paid Advertising: $3,500+/month
  • Basic Retainer: $1,600+/month
  • Premium Retainer: $2,500+/month

Notable clients

Liquify Design supports a wide range of clients, from startups and solopreneurs to retail giants, including: 

  • Izabel London
  • Tau Cotton
  • Article
  • Urban Excess
  • Perky Pear

Why choose this agency

With a five-star rating on Shopify, Liquify Design is one of the highest-ranked Shopify marketing agencies globally. The agency is ideal for Shopify and Shopify Plus, as it has recognized expertise for such platforms. 

10. Skala Advisors — Best marketing agency for conversion optimization

Skala Advisors agency homepage
Image via Skala Advisors

Country: United States 
Number of employees: 2–10 employees (LinkedIn)

Services provided

Skala Advisors helps businesses achieve substantial revenue growth. Its core services include conversion optimization, AI-powered media buying and return on advertising spend (ROAS) automation, ad execution and refinement, and digital strategy development.

Pricing

Customers can contact Skala Advisors directly to discuss pricing depending on customized solutions.

Notable clients

While specific client names aren’t disclosed, Skala Advisors has a track record of managing the top 5% of high-converting Shopify sites. The agency has partnered with various businesses to improve platform performance and drive profitable revenue growth.

Why choose this agency

Skala Advisors’ proficiency in media buying is one of its unique selling points as an email marketing agency. With this expertise, the agency offers expert-backed creative strategies, targeting approaches, and bidding techniques.

11. TruSport Brands — Premier full-service digital ecommerce agency

TruSport Brands agency homepage
Image via TruSport Brands

Country: United States 
Number of employees: 2–10 employees (LinkedIn)

Services provided

TruSport Brands offers digital ecommerce services, such as email marketing strategy development, execution, and optimization. The company also provides additional services like creative development, conversion optimization, SEM, and SEO. 

Pricing

Custom pricing is available based on project scope and requirements.

Notable clients

Although client names aren’t displayed on the main website, the agency works with renowned brands and agencies worldwide, helping them achieve their business goals.

Why choose this agency

TruSport Brands distinguishes itself by making marketing human to resonate with the audience. It offers digital marketing services for agencies, including agency email marketing, with strategy, execution, and optimization services.

12. Yummyemail — Top email marketing agency for automated campaigns 

Yummyemail agency homepage
Image via Yummyemail

Country: Lithuania
Number of employees: 11–50 employees (LinkedIn)

Services provided

Yummyemail’s comprehensive marketing solutions include SMS and push notification marketing​, email campaign management and planning​, new product launches, market testing, review collection​, email automation strategies, and data-driven performance analysis.

Pricing

Yummyemail tailors pricing to each client’s needs and business goals.

Notable clients

This email agency has worked with a diverse range of clients across various industries. Some of its popular clients include: 

  • Pulsetto
  • Manilla Natural Skincare
  • Persikas
  • Pet 24
  • Nauja Oda Cosmetics

Why choose this agency

Yummyemail’s unique approach helps clients achieve over 300% return on email marketing spend and an average ROES of 30% or higher with a one-year retainer. This exceptional ROI stems from its advanced data analysis and automation that optimize campaigns.

13. Intelligence Media — Best marketing agency for ecommerce business growth

Intelligence Media agency homepage
Image via Intelligence Media

Country: Latvia 
Number of employees: 2–10 employees (LinkedIn)

Services provided

The team of growth experts at Intelligence Media provides full-stack services focusing on measurable strategies. Its major services include email and SMS marketing campaign strategy and design. 

It also offers conversion rate optimization (CRO) and development, paid advertising, content creation, and chief marketing officer (CMO) services for strategic planning and execution.

Pricing

Intelligence Media offers custom pricing based on services needed and budget.

Notable clients

The agency’s client portfolio features brands like:

  • LEDakcijas
  • Stenders Cosmetics
  • Valens Nutri
  • One Day Clothing
  • Amoralle
  • Travelteli.com

Why choose this agency

Intelligent Media’s marketing approach has recorded substantial and measurable results, generating over $210 million in revenue for clients since 2020. It has also achieved a $172k record revenue from a single creative in 2024, which is a testament to its exceptional creativity.

14. EditStudio — Top marketing agency for fashion, beauty, and lifestyle brands 

EditStudio agency homepage
Image via EditStudio

Country: Italy 
Number of employees: 11–50 employees (LinkedIn)

Services provided

EditStudio provides diverse services to help businesses strengthen their brand presence and connect with their audience. Some of its core services include branding and product design, brand strategy research, analysis and positioning, social media marketing, email marketing and automation, and high-end ecommerce and advertising content.

Pricing

Given the agency’s focus on tailored solutions and high-end projects, it offers custom pricing based on individual client needs and project scopes.

Notable clients

EditStudio has a client portfolio of renowned brands, such as:

  • Diesel
  • Fendi
  • GAS Jeans
  • Netflix
  • Subdud

Why choose this agency

What sets Edit Studio apart from other top email marketing services is its outstanding product design and branding services. While most email agencies focus on marketing, Edit Studio boasts its expertise in strategy, content, and ecommerce as well.

15. BusinessUp — Best email marketing agency for performance marketing 

BusinessUp agency homepage
Image via BusinessUp

Country: United Kingdom 
Number of employees: 11–50 employees (LinkedIn)

Services provided

As a full-service marketing agency, BusinessUp offers an array of services, including advertising management on digital platforms, SEO consultancy and content production, graphic design services, and ecommerce consultancy for market analysis.

Pricing

BusinessUp offers custom pricing, catering to the unique needs and goals of each client.

Notable clients

BusinessUp has worked with several prominent brands, including:

  • Sabancı Üniversitesi
  • Aker
  • The Purest Solutions
  • Trabzonspor
  • Miniso
  • Cook

Why choose this agency

The agency’s expertise in international performance marketing, particularly in e-export, helps position brands for global success. Additionally, BusinessUp documents all activities in a business management system, providing customers with clear insights into their projects.

How to evaluate email marketing agencies

You need to partner with the right email marketing agency to maximize your campaign’s returns. It’s important to assess each agency based on key factors. Here are some essential criteria to keep in mind when making your decision:

  • Experience and expertise: Look for an email marketing agency with a proven track record in email marketing. Check how long it has been in the industry and whether it has experience working with businesses similar to yours.
  • Pricing and transparency: Compare pricing structures to ensure they fit your budget. A reliable agency should offer clear pricing without hidden fees. Look for flexible plans that align with your needs, or you may end up paying for services you don’t really require.
  • Industry specialization: Determine if the agency has experience in your specific industry. Agencies with expertise in your sector are more likely to understand your audience, allowing them to create customized campaigns.
  • Client reviews: Read reviews on platforms like G2, Trustpilot, or Capterra to find out about customer experiences. High ratings and detailed testimonials might indicate that the email agency is trustworthy. 

    For instance, see this review written by a client of Add People on Trustpilot:
Add People agency review on Trustpilot
Image via Trustpilot

Is it worth hiring an email marketing agency?

Outsourcing your email marketing to a marketing agency can help you tap into the maximum potential of email marketing. However, the decision of which agency to choose depends on your business needs and resources.

Consider the pros and cons of hiring an email marketing agency compared to managing email marketing in-house before you seal the deal. Here’s how they compare:

Hiring an email marketing agency

Pros

  • Expertise: Agencies bring experience, strategy, and data-driven insights
  • Time-saving: A marketing agency can handle most marketing aspects, freeing your in-house team for other tasks
  • Advanced tools: You’ll have access to advanced email marketing software and tools

Cons

  • Cost: Because they bring expertise, they can be expensive, especially for small businesses 
  • Less control: You may have less direct input on content and strategy

Handling email marketing in-house

Pros

  • Full control: You have complete control of content, strategy, and execution
  • Cost-effective: Avoid agency fees and allocate resources based on your budget
  • Brand familiarity: Your internal team understands your brand voice and audience better

Cons

  • Limited expertise: An internal team may lack specialized knowledge or experience in certain email marketing aspects
  • Tool limitations: You may need to invest in and learn how to use email marketing tools to use them to their full capability

Tips for working with an email marketing agency

To cultivate a highly effective and mutually beneficial collaboration with your email marketing agency, here are some expert tips you can consider:

  • Set clear goals from the start: Before you engage an agency, you need to be clear on what you want to achieve. If your goal is to increase sales, improve customer retention, or something else, make sure to communicate it clearly.
  • Define scope and budget upfront: Clearly outline the scope of work and establish a realistic budget. Discuss pricing models (project-based, retainer, or performance-based) and ensure transparency in all cost-related matters to avoid misunderstandings.
  • Communicate regularly and openly: Consistent communication on progress, insights, and strategy adjustments ensures that both parties are on the same page. This can minimize misunderstandings and build a shared understanding of goals and processes.
  • Be open to expert recommendations: An agency has a team of experts, so trust the advice and recommendations they give. If the agency suggests changes to your strategy, give it a shot and test new ideas that could lead to better engagement and conversions.
  • Provide timely feedback and approvals: Your responsiveness is important for agencies to stay on track without delays. Provide prompt feedback and approvals on designs, copy, and campaign strategies to keep projects moving smoothly. 

How Omnisend can enhance your email marketing strategy

While working with an email marketing agency provides expert guidance, having the right tools is just as important.

Omnisend is a powerful and intuitive email and SMS marketing automation tool that complements agency services and businesses of all sizes, making campaign execution smoother and more effective.

Omnisend homepage
Image via Omnisend

With Omnisend’s expert-approved feature set, you can engage customers with personalized messages at the perfect time. You can set up workflows that nurture leads, recover abandoned carts, and re-engage past customers quickly and efficiently, without a steep learning curve.

The email segmentation features help you target the right audience based on their behavior, preferences, and shopping history.

Plus, with its intuitive drag-and-drop email builder and pre-made templates, you can create several campaigns with minimal stress.

You’ll also get advanced reporting to track performance and optimize your strategy. These reports cover key metrics, such as campaign engagement, sales attribution, audience behavior, and automation effectiveness. You can use this data to identify what’s working or not, helping you fine-tune your strategy to achieve maximum ROI.

Enflow Digital, an ecommerce-focused agency, partnered with Omnisend and achieved results through automation, segmentation, and strategic email campaigns. The agency improved email performance and increased revenue for its client from $150k to $250k in just a few months, with 56k+ new contacts in the database. 

Read Enflow Digital’s full success story here.

Conclusion

When it comes to email marketing agencies, businesses are spoilt for choice. To find the best option that aligns with your business objectives, do your due diligence and explore portfolios, client testimonials, and case studies. 

Also, look for an agency that understands the nuances of your industry, as this knowledge can help it deliver significant results. 

Once you’ve found a strong fit, set clear objectives, define a budget, and maintain open communication to ensure a seamless, results-driven collaboration. 

As email marketing trends are constantly shifting, having the expertise and insights of a top-tier email marketing agency by your side can help you achieve expected results.

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Top email marketing agencies FAQs

1. How is an email agency different from SaaS?

An email marketing agency provides hands-on services, including strategy development, campaign execution and management, and optimization of email marketing campaigns. In contrast, SaaS (software-as-a-service) platforms provide the tools for businesses to manage their email marketing campaigns independently.

2. How much does it cost to hire someone to do email marketing?

The cost of outsourcing your email marketing can vary based on the services you require and the level of expertise. Some agencies also offer customized pricing based on business needs.

3. Which is the best email marketing company?

The best email marketing agency for your business would depend on your needs. Look for an agency with an impressive portfolio, proven results, and expertise in your industry. You can check case studies and user reviews to see if the email marketing firm aligns with your business goals.

4. Can you make money with email marketing?

Yes, email marketing is one of the most profitable digital marketing channels. According to our analysis, Omnisend US merchants earn an average of $68 for every $1 spent. With email campaigns, you can drive sales for your business through promotions, personalized recommendations, and automated follow-ups.

Bernard Meyer
Article by

Bernard is the Sr. Director of Communications & Creative at Omnisend, with a passion for good research, helping ecommerce businesses with their marketing automation needs, and beating absolutely everyone in Mario Kart 64.