Top 50 Email Marketing Software Companies With $1M–$5M Revenue (September 2026)

San Francisco, California, United States

Clearout is your all-in-one solution for email verification, email finding, and prospecting. We understand the importance of a clean email list for successful email marketing, which is why we offer a reliable email verification and validation service to keep your database hygiene. By removing bad or fraudulent email addresses, we help you improve your email reputation and increase deliverability, ensuring your emails reach the intended recipients' inbox. But that's not all, Clearout offers AI-based Sales Intelligence Services which including finding email addresses and efficiently reaching out to target prospects. With a few clicks, you can easily find pre-verified email addresses of your prospects on LinkedIn or within our app by providing just the name and company name. Resulting in effortless growth of your email list with genuine and responsive leads. Using Clearout will enable you to maintain your domain's reputation while saving time and money, keeping your ESP(s) and CRM(s) happy.

Tallinn, Harju, Estonia

Textmagic is a business messaging platform trusted by over 30,000 companies worldwide. For more than 20 years, we’ve helped small and mid-sized businesses communicate with customers, clients, and staff through SMS and email, whether it’s sending reminders, alerts, confirmations, or marketing campaigns. Each month, Textmagic delivers more than 22 million messages, with a 98.4% average delivery rate and a 4.6-star rating across major review platforms. Used by businesses in the US, UK, Canada, Australia, and beyond, Textmagic is built for reliable communication, at scale and with confidence.

Atlanta, Georgia, United States

Developer of an e-commerce platform designed to keep customers engaged while shopping. The company's platform assists in collecting reviews, send personalized emails, display product recommendations, raise brand awareness, reduce shopping cart abandonment through pop-ups as well as automate the review collection process, enabling clients to improve customer loyalty, accelerate online sales and automate the entire process to build a loyal customer database.

Barcelona, Spain

Mailsuite is a suite of tools to boost your relationships through email, with over 2 million active users. Mailsuite allows you to send mass campaigns, personalize them with Mail Merge, share documents, analyze document viewing, provide electronic signatures, and more.

Starnberg, Bayern, Germany

SC-Networks GmbH is a service provider for individual software solutions with the main emphasis on e-marketing. EVALANCHE from SC-Networks is an e-mail marketing solution based on cutting-edge Web technologies, and is one of the most advanced e-marketing technologies in Europe today. The solution was specially designed for agencies and enterprise marketing departments. Customers of SC-Networks include such renowned corporations as BMW Motorsport, Sony Music, Magirus International, IDS Scheer, Jenoptik Laser Systeme, Salomon, Nitro Snowboards, Kyocera Mita, the advertising agencies GFB & Partner, Robert & Horst, straight.interactive, phocus communication group and Zieltraffic, as well as numerous smaller companies. The company was founded in 1999 in Starnberg near Munich, and is represented in Switzerland, Austria and Italy.

Lewes, Delaware, United States

Accelerate Growth with AI CRM, Automation & Messaging Across RCS, SMS, Email, and WhatsApp

Los Angeles, California, United States

Operator of b2b sales-qualified lead generation business intended to help all key executives and professionals to take strategic decisions for the sales pipeline development. The company provides fast and scalable, sales qualified leads through its unique personalized email marketing framework, enabling professionals to achieve sales and business development goals.

Las Vegas, Nevada, United States

We build marketing technology solutions to help online stores maximize their revenues.

Pearl River, New York, United States

Reach Anyone, Anytime, Anywhere™ Reach Marketing is an integrated marketing solutions company that helps businesses reach their target audiences more effectively and quickly grow their sales through relevant marketing channels. Services include data enhancement, database marketing, email marketing, lead generation and marketing automation. The staff at Reach Marketing helps our clients grow their business by developing a marketing strategy specifically designed to deliver the right message to the proper audience, using the most direct channels. Reach Marketing puts all the pieces together for you integrating your direct marketing message to give you complete cross channel coverage. By making all of your programs work together, Reach has an immediate and powerful impact increasing the effectiveness of your marketing program and dramatically improving the return you get on your investment. Our account executives have decades of experience producing positive results in a number of industry verticals including: catalogers, retailers, technology, publishing, healthcare, seminars, and finance. These opportunities are all within reach. Call us today at 855.TOREACH.

Fortitude Valley, Queensland, Australia

Since 2001, Vision6 has been committed to delivering reliable email & SMS marketing for government departments, financial institutions, the education sector, and not for profits. Acquired in 2022, Vision6 is now a Constant Contact company.