Top 28 Email Marketing startups

Mar 23, 2025 | By Fernando Lopez

These startups develop email marketing software, direct mailing services, customer engagement systems.
1
Country: USA | Funding: $55M
Levitate helps relationship-based businesses keep in touch with clients, prospects, and referral sources.
2
Country: USA
MailChimp is the world’s leading marketing automation platform for small to medium-sized business. As the backbone for customer relationships, they provide sophisticated tools anyone can use to grow their business and be successful. Acquired by Intuit
3
Country: USA | Funding: $778.5M
Klaviyo is a marketing automation and email platform designed to help grow businesses.
4
Country: USA | Funding: $423.2M
Constant Contact provides email marketing, social media marketing, event marketing, and online survey tools to help small organizations grow their businesses by building stronger customer relationships.
5
Country: USA | Funding: $360M
ActiveCampaign specializes in email marketing, marketing automation, and sales automation.
6
Country: USA | Funding: $250M
Campaign offers a solution that allows websites to attract new subscribers by sending them visually rich email newsletters and reports.
7
Country: USA | Funding: $210M
SendGrid is a proven, cloud-based customer communication platform that drives engagement and business growth.
8
Country: USA | Funding: $207.9M
Keap provides sales and marketing automation software for small businesses that combines CRM, email marketing and e-commerce.
9
Country: France | Funding: $137M
Sarbacane is a marketing company that focuses on email marketing, sms marketing and automation.
10
Country: USA | Funding: $103.2M
Emotive is a conversational texting platform for eCommerce brands, enabling two way text message communication at scale.
11
Country: USA | Funding: $97.3M
Movable Ink helps digital marketers create unique visual experiences across email, web, and display.
12
Country: USA | Funding: $82M
OneSignal is a customer messaging and engagement platform that allows businesses to create meaningful customer connections.
13
Country: USA | Funding: $73.6M
Cordial is a cross-channel marketing and data management platform that helps marketers use all of their data to connect with customers.
14
Country: USA | Funding: $57.5M
Stensul is an email creation platform that gives enterprise marketers the power to generate custom emails while ensuring brand governance.
15
Country: USA | Funding: $53.4M
iContact provides email marketing and social media marketing software and services to small and mid-sized companies.
16
Country: USA
GetResponse is an email marketing platform which features drag-and-drop email, landing page creator, advanced email analytics and more.
17
Country: Lithuania
Digital marketing tools to grow your audience faster and drive revenue smarter. Acquired by Vercom
18
Country: USA | Funding: $10.1M
Demandforce is a SaaS-based application that assists businesses in reaching their consumers through email, SMS, and online services.
19
Country: USA | Funding: $5.3M
Letterhead is an email marketing solution built for newsletters, from the ground up.
20
Country: USA | Funding: $4.9M
VerticalResponse provides web-based, self-service marketing solutions for small businesses to create, share and analyze their campaigns.
Editor: Fernando Lopez
Fernando Lopez is a senior editor for SaaStartups. He joined the company after having previously spent over three years at ReadWriteWeb. Prior to his work as a reporter, Fernando worked in I.T. across a number of industries, including banking, retail and software. Fernando graduated from the University of Buenos Aires (Computer Science). He is more-than-averagely interested in photography and can often be found with a camera slung over his shoulder. He wrote a book about pitching startups to investors. You can contact Fernando at fernandolopez(at)saastartups(dot)com