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Omnisend competitors & alternatives
The 12 closest competitors and alternatives to Omnisend among martech companies — ranked by similarity to what Omnisend actually does, not by market-cap band.
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About Omnisend
Omnisend, Inc. is a US-based provider of email marketing services that administers mailing lists and assists businesses with customer engagement and digital communication.
Omnisend at a glance
Omnisend is a martech company headquartered in United Kingdom, founded in 2008. Its most recent funding round, Seed, raised $1.6M in December 2019. Xcout recorded 38 job postings from Omnisend in the last 90 days.
Omnisend funding rounds
Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Seed | $1.6M | — |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Hiring at Omnisend
Xcout recorded 38 job postings from Omnisend in the last 90 days, from a hiring record Xcout has kept since June 2026.
The weekly hiring trend, the roles and locations behind it — see Omnisend's hiring signals →
Top 12 Omnisend competitors
Ranked by semantic similarity — how close each company is to Omnisend by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Similar martech company
OneSignal is a company headquartered in San Mateo, California, United States of America. It provides a unified omnichannel orchestration hub for customer engagement, allowing businesses to coordinate and send mobile push, web push, email, SMS, and RCS messages from a single dashboard to democratize customer engagement globally.
Email Marketing Software
Operated by UAB Sender.lt and located in Vilnius, Lithuania, Sender is an email marketing platform that helps businesses create, automate, and send email campaigns.
Marketing Automation & Software
Closum is a Portugal-based company that provides an omnichannel marketing platform for email, SMS, WhatsApp, and other channels.
Similar martech company
D·engage is a marketing technology company that provides a customer engagement and marketing automation platform for managing personalized, omnichannel communications. Its platform serves businesses such as retailers and e-commerce companies through capabilities including email, mobile messaging, customer data management, and campaign automation.
Similar martech company
Flodesk provides an email marketing and e-commerce platform that enables creators and businesses to design branded emails, build automated workflows, and create opt-in forms. The platform also offers tools for selling digital products, managing memberships, and building sales pages.
Marketing Software
OptinMonster provides lead generation and conversion optimization software that helps marketers grow email lists and recover abandoning website visitors.
Similar martech company
Listrak is a technology company headquartered in Lititz, Pennsylvania. It operates out of a large facility and provides digital marketing and customer engagement solutions for businesses.
Similar martech company
Klaviyo, Inc. is a technology company offering a software-as-a-service (SaaS) platform that empowers its clients to send highly targeted and pertinent messages via email, text message (SMS), and push notifications. The firm's primary product, Klaviyo, is a marketing automation platform engineered for personalized outreach. Its comprehensive suite of solutions includes an email marketing tool that meticulously monitors clicks and purchases to enhance campaign effectiveness; an SMS service crafted for fostering e-commerce expansion and customer loyalty; and a mobile push feature for direct engagement with users through lock screen alerts. Additionally, Klaviyo provides a Review solution to collect product feedback and a robust customer data platform (CDP) designed for efficient storage, analysis, and utilization of large datasets. The company caters to individual users, small and medium-sized businesses, and larger corporations across North America, Western Europe, Canada, the United Kingdom, Australia, and New Zealand. Established in 2012, Klaviyo is headquartered in Boston, Massachusetts.
Similar martech company
GetResponse provides an online marketing platform that offers email marketing, marketing automation, SMS messaging, and AI-powered tools like website and landing page builders. The platform serves entrepreneurs, ecommerce businesses, and global brands looking to manage customer journeys and grow sales.
Marketing Automation
E-goi is an omnichannel marketing automation platform that integrates digital and physical channels, email, SMS, WhatsApp, and AI-driven tools for businesses.
Similar martech company
Postscript is a software platform and service provider that specializes in SMS marketing and sales for Shopify brands. The company offers tools for list growth, AI-powered messaging, compliance management, and strategic campaign optimization to help ecommerce merchants drive revenue through text message marketing.
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