Top 27 Email Marketing startups

Updated: Mar 21, 2026
|
These startups develop email marketing software, direct mailing services, customer engagement systems.
1
Wooxy
Country: Estonia
Wooxy.com is an AI powered Customer Retention Automation platform. It's powered by artificial marketing intelligence (AMI), which automates customer communication analysis, campaign creation, and launch. Wooxy integrates all channels: email, SMS, web push notifications, and messaging. AMI ensures that every message and campaign is always on-brand. Visual assets are created in accordance with your brand design system.
2
Klaviyo
Country: USA | Funding: $1.3B
Klaviyo is a marketing automation and email platform designed to help grow businesses.
3
Levitate
Country: USA | Funding: $71M
Levitate helps relationship-based businesses keep in touch with clients, prospects, and referral sources.
4
Letterhead
Country: USA | Funding: $39.3M
Letterhead is an email marketing solution built for newsletters, from the ground up.
5
MailChimp
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
6
Constant Contact
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.
7
ActiveCampaign
Country: USA | Funding: $360M
ActiveCampaign specializes in email marketing, marketing automation, and sales automation.
8
Campaign Monitor
Country: USA | Funding: $250M
Campaign offers a solution that allows websites to attract new subscribers by sending them visually rich email newsletters and reports.
9
Keap
Country: USA | Funding: $207.9M
Keap provides sales and marketing automation software for small businesses that combines CRM, email marketing and e-commerce.
10
Sarbacane
Country: France | Funding: $137M
Sarbacane is a marketing company that focuses on email marketing, sms marketing and automation.
11
Emotive
Country: USA | Funding: $103.2M
Emotive is a conversational texting platform for eCommerce brands, enabling two way text message communication at scale.
12
Movable Ink
Country: USA | Funding: $97.3M
Movable Ink helps digital marketers create unique visual experiences across email, web, and display.
13
OneSignal
Country: USA | Funding: $82M
OneSignal is a customer messaging and engagement platform that allows businesses to create meaningful customer connections.
14
Cordial
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.
15
Stensul
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.
16
iContact
Country: USA | Funding: $53.4M
iContact provides email marketing and social media marketing software and services to small and mid-sized companies.
17
GetResponse
Country: USA
GetResponse is an email marketing platform which features drag-and-drop email, landing page creator, advanced email analytics and more.
18
Demandforce
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
MailerLite
Country: Lithuania
Digital marketing tools to grow your audience faster and drive revenue smarter. Acquired by Vercom
20
VerticalResponse
Country: USA | Funding: $4.9M
VerticalResponse provides web-based, self-service marketing solutions for small businesses to create, share and analyze their campaigns.
21
BigContacts
Country: USA | Funding: $500K
BigContacts develops an all-in-one CRM & Email Marketing platform that helps small businesses create more profitable relationships.
22
Mailigen
Country: Latvia | Funding: €295K
Mailigen is an email markering automation platform and agency servicing small to medium size companies around the world. Acquired by Pipedrive
23
Mad Mimi
Country: USA | Funding: $110K
Mad Mimi is the easiest way to create, send, share and track email newsletters online. Mad Mimi is for people who want email marketing to be simple. Every day, over 40 million emails are sent, shared and tracked using our delightful and powerful service.
24
Maildy
Country: Moldova
Maildy is a suite of email marketing tools with which you can send personalized offers to your customers at the perfect time, create effective email strategies in just a few minutes, and save your advertising budget.
25
Smaily
Country: Estonia
Smaily is a tool for sending email newsletters to help increase marketing quality and efficiency.
26
AWeber Communications
Country: USA
AWeber provides email marketing software that include newsletters emailing, autoresponding, and RSS-to-email converting features.
27
Messaggio
Country: Malta
Messaggio is a multichannel messaging platform that provides value-added mobile services.
  See also:
Fernando Lopez
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