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Top 586 Email Marketing Software SaaS Companies in May 2026

As of May 2026, there are 586 SaaS companies in Email Marketing Software. They have combined revenues of $4.4B and employ 28.9K people. They have raised $3.3B and serve 680.2M customers combined.

Email marketing software is a specialized tool designed to enable businesses to create, send, and manage email campaigns effectively. This software helps marketers automate their email marketing efforts and enhances communication with their target audiences. The primary use cases include lead nurturing, customer retention, and promotional outreach, which are essential for driving engagement and generating sales. Typical features of email marketing software encompass list management, email design templates, segmentation, automation capabilities, and comprehensive analytics and reporting. Businesses often utilize these platforms to personalize content and optimize their marketing campaigns based on recipient behavior. Common buyer personas for such software include marketing professionals, sales teams, and small to medium-sized business owners looking to improve their outreach efforts and build customer relationships.

Companies
586
Revenue
$4.4B
Funding
$3.3B
Employees
28.9K

Filters

Sorting: Highest -> Lowest

Filters

Top Email Marketing Software Companies

Showing 10 of 73 companies ranked by annual revenue.

1
Customer.io

Portland, Oregon, United States

Send automated email, push, SMS, letters, and webhooks based on your customer's activities in your app or product.

Revenue
$100M
Customers
2.9K
Year founded
2012
Funding
$40.3M
Team size
352
Growth
42.86%
2
Kajabi

Irvine, California, United States

online course creation and marketing platform

Revenue
$75M
Customers
19K
Year founded
2010
Funding
$550M
Team size
403
Growth
-
3
Movable Ink

New York, New York, United States

Movable Ink empowers marketers with scalable, omni-channel personalization through data activation and AI decisioning. The world’s most innovative brands rely on Movable Ink to maximize revenue, simplify workflow and boost marketing agility. Movable Ink is one of the fastest-growing SaaS companies in the U.S. and has been recognized by Inc. Magazine’s “Best Workplaces” (2022-2019) and Built In NYC’s “Best Places to Work” (2023-2018), as well as Inc. 5000, Crain's Fast 50, and Deloitte's Technology Fast 500. Headquartered in New York City, Movable Ink and its nearly 600 employees serve its global client base from operations throughout North America, Central America, Europe, Australia, and Japan.

Revenue
$73.5M
Customers
700
Year founded
2010
Funding
$94.3M
Team size
668
Growth
-50.27%
4
FMG Suite

San Diego, California, United States

From day one, we’ve been dedicated to helping financial advisors build their businesses, expand their influence, and strengthen relationships with customers. Our digital marketing tools and award-winning content are unparalleled in the industry. We currently provide over 40,000 advisors and insurance agents with websites, multimedia content, and the industry’s best communication tools. FMG Suite was born in San Diego, CA in 2011. We started with a handful of advisors and creative thinkers who dared to ask the question, “How can we make a remarkable difference for advisors?” Since then, our offerings have grown from websites to a sophisticated, automated “suite” that supports advisors’ success, day in and day out. Today, we are a hardworking, fun-loving team of experts from around the world, with experience encompassing finance, law, compliance, graphic design, web development – and nearly everything in between. We love putting our creative skills toward helping your business flourish.

Revenue
$65.9M
Customers
-
Year founded
2011
Funding
-
Team size
599
Growth
-
5
Plumb5

Bangalore, Karnataka, India

customer engagement platform

Revenue
$62.4M
Customers
85
Year founded
2013
Funding
-
Team size
23
Growth
27.03%
6
ValueFirst

Gurugram, Haryana, India

Founded in 2003, ValueFirst connects businesses with their consumers over telecom and internet channels, at scale. ValueFirst assists brands across sectors to build conversational experiences by offering Apple Business Messaging, Chatbots, Email, Google Business Messaging, Instagram, RCS Business Messaging, SMS, Voice, and WhatsApp through communication platforms and smart APIs. ValueFirst is run by ~400 free-spirited individuals spread across India, Indonesia, the Kingdom of Saudi Arabia, and the United Arab Emirates.

Revenue
$58.2M
Customers
-
Year founded
2003
Funding
-
Team size
529
Growth
-
7
OmniSend

Vilnius, Lithuania

email marketing automation platform

Revenue
$55M
Customers
100K
Year founded
2014
Funding
$1.6M
Team size
216
Growth
-
8
Salecycle

Gateshead, England, United Kingdom

behavioral marketing company

Revenue
$53.5M
Customers
500
Year founded
2010
Funding
$15.9M
Team size
140
Growth
47.72%
9
AWeber

Doylestown, Pennsylvania, United States

email marketing platform

Revenue
$52.8M
Customers
120K
Year founded
1998
Funding
-
Team size
99
Growth
38.86%
10
SalesHive

Denver, Colorado, United States

B2B SAAS for personalized email outreach and lead generation

Revenue
$51.4M
Customers
-
Year founded
2019
Funding
-
Team size
455
Growth
95.15%

Inclusion Criteria

- Must provide tools for creating and sending email campaigns - Must include features for list management and segmentation - Must offer automation capabilities for email workflows - Must provide analytics and reporting features for campaign performance - Should support personalization of email content - Not just for sending bulk emails; must also facilitate targeted communication strategies - Should be user-friendly for marketers without extensive technical knowledge