Top 586 Email Marketing Software SaaS Companies in May 2026

Austin, Texas, United States

Build sales outreach cadences with email, phone, and social in as little as 5 minutes. Starting at $59/month.

Santa Barbara, California, United States

Our Email Validation Service quickly and accurately removes invalid, disposable, spam traps, abusive and other harmful email addresses. 98% Accuracy Guaranteed. Try our Free Trial now!

Portland, Oregon, United States

Provider of a marketing automation platform intended to help in executing essential prospect management tasks. The company's automation platform features easy-to-use tools to execute email marketing, direct mail, automated nurturing, advanced targeting, lead qualification, behavior tracking, business intelligence and sales alerts, enabling employers and HR managers to learn about team managing and stay updated about individual performance.

Charlotte, North Carolina, United States

Lead tracking software for agencies

Indianapolis, Indiana, United States

online marketplace

Istanbul, Istanbul, Turkey

Related Digital is the leading omnichannel campaign management solution provider; offering a wide-range of best-in-class digital marketing technologies and services for many of the world’s leading brands. Related Digital was originally founded in 2002 as an email marketing provider and has evolved to provide an easy-to-use, integrated data-driven marketing automation platform called Related Marketing Cloud (RMC). RMC with built-in Customer Data Platform (CDP) provides marketers with the ability to form a single view of each customer, enabling true 1:1 personalisation - reaching the right customer, at the right time, through the right channel on the right device. RMC is fully integrated and allows marketers to launch and automate revenue-generating lifecycle marketing campaigns - increasing conversions and customer lifetime value. By connecting and unifying data from a variety of sources – both online and offline – marketers can fully understand the best way to reach each customer. Related Digital serves more than 1500 clients of all sizes across various industries - including brands like Estee Lauder, Delivery Hero, Ebay, Wolksvagen, Victoria's Secret, Carter's, Aviva, IKEA, Marks&Spencer, Turkcell, Starbucks, Beymen, Audi, Gap, BBVA, Turkish Airlines, Siemens. We are proud to support our clients internationally from our offices in London, Hamburg, Berlin, Dubai and Istanbul.

İstanbul, Ümraniye, Turkey

We provide a seamlessly integrated all in one omni-channel marketing solution that enables organizations to engage in relationship marketing with their target audience, customers across complex marketing mix in an efficient and cost effective way. Our clients can communicate with their target audience via e-mail, SMS, MMS, Social Media, Push Notifications, Whatsapp, Text to Speech (IVR) or any other channels they have...We provide a boutique solution through its easy integration feature and it makes campaign management much more efficient as a "centralized"​ solution. When integrated into the organizations’ CRM systems, SmartMessage tracks actions in many different fields such as customer interaction history, salesforce automation, lead management, marketing & campaign management, service requests and complaints management, contact center automation, social media integration, customer loyalty and constantly provides feedback in these exact fields. In organizations using SmartMessage a "Customer Oriented"​ structure emerges. Depending on our clients requirements, we can provide this service as an on-premise and/or on-cloud.

Santa Monica, California, United States

customer retention and predictive marketing platform

Raleigh, North Carolina, United States

Developer of an admission marketing technology designed to simplify the process of college enrollment. The company's technology optimizes admission procedure and enrollment management and offers email and sms marketing, visit programs, admitted yield, messaging app and lead generation, enabling schools to spend less time managing systems and more time in reaching students.

Melbourne, Victoria, Australia

ClickSend is communications software for businesses and developers. We offer SMS, MMS, Voice, Online Mail, Email and Fax — to help you talk to the people who matter. We’re powered by our talented team of 100+ people who work in Australia, The Philippines, England, America, Vietnam and beyond. Our tools are used by some of the most trusted brands, organisations and developers globally. Because they’re simple to use, automate and integrate. ClickSend offers helpful 24/7 support, and lightning-fast delivery via a secure and reliable platform. Our customers send messages via our Dashboard, mobile app, flexible API or integrations. From small business to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved. ClickSend is proudly part of Sinch, the Customer Communications Cloud. For more details, visit: Website: www.clicksend.com or open a free account here: https://clicksend.com/signup