Top 50 Email Marketing Software Companies With $5M–$10M Revenue (September 2026)

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

Chicago, Illinois, United States

Marketing and transactional email design and delivery service with the best drag and drop editor and flow automation system. Send and track professional emails.

Greater Los Angeles Area, California, United States

Leading conversion optimization, email marketing, and cart abandonment technology partner. Empowering the internet’s biggest brands to transform first-time visitors into lifelong, loyal customers. Headquartered in Los Angeles and London, we prioritize data and A/B testing to convert your website traffic. We can work through your affiliate program as an extension of your digital marketing team to expand your ecommerce potential. Email [email protected] or visit www.upsellit.com to get a free website analysis or to speak to our team.

San Jose, California, United States

AI-powered sales engagement platform

New York, New York, United States

500apps is the world's first All-in-One SaaS suite of 39+ apps that cover all areas of business operations. This includes the world’s top 5 CRM, live-chat, leads finder, marketing automation, email service, website builder, conferencing, collaboration, etc. You can also build an app on your own. We have helped over 30,000 businesses grow like the Fortune 500 and with 6 data centers, 12 languages, and a 99.5% global uptime guarantee we are revolutionizing the global workspace. • All-in-One Suite of 39 apps for your entire company • Unbelievable pricing - $14.99/user - no tiers • 24/5 Chat, Phone, and Email Support with daily Onboarding Webinars • 200+ Integrations with the finest software tools in the market • Countless product releases each year via automatic updates