The closest alternatives to Customer.io are ActiveCampaign and Intuit Mailchimp. Customer.io generates $100M in revenue with 250 employees. Every one of the 20 alternatives below is compared with Customer.io on revenue, funding, customers, team size and founding year.
Customer.io is pinned as the first column so every figure is read against it. Blank cells are figures we have not verified, never zeros.
| Company |  Customer.ioThis company |  ActiveCampaign |  Intuit Mailchimp |  Pandadoc |  MoEngage |  Front App | MoEngage |  Persona |  EliseAI |  Willdix |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $100M | $290.5M | $180.1M | $100M | $100M | $100M | $100M | $100M | $100M | $100M |
| Valuation | $690M | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed |
| Funding raised | $40.3M | $360M | Not disclosed | $106.1M | $461M | $202.1M | $461M | $417.5M | $325M | Not disclosed |
| Customers | 2.9K | 145K | 140M | 30K | 500M | 8K | 500M | 575 | Not disclosed | Not disclosed |
| Team size | 250 | 865 | 1.6K | 875 | 757 | 518 | 757 | 595 | 453 | 319 |
| Founded | 2012 | 2003 | 2001 | 2011 | 2014 | 2013 | 2014 | 2018 | 2017 | 2005 |
| HQ | Portland, United States | United States | United States | United States | United States | United States | United States | United States | United States | Estonia |
United States · Customer Service Automation Software
ActiveCampaign, the Chicago-based marketing automation and customer experience platform, reported annual recurring revenue of $165 million in 2021, the last publicly confirmed revenue figure the company has disclosed…
ActiveCampaign revenue & fundingCustomer.io vs ActiveCampaign
United States · Customer Service Automation Software
The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.
Intuit Mailchimp revenue & fundingCustomer.io vs Intuit Mailchimp
United States · Customer Service Automation Software
Join more than 40,000 customers who make PandaDoc #1 for proposals, quotes, and contract management.
United States · Customer Service Automation Software
MoEngage is a customer engagement and retention platform that operates the website moengage.com. The company was founded in 2014 and is headquartered in San Francisco, California, with additional offices in Bangalore…
United States · Customer Service Automation Software
Front is a customer operations platform that enables support, sales, and account management teams to deliver exceptional service at scale. Front streamlines customer communication by combining the efficiency of a help…
United States · Customer Service Automation Software
MoEngage is a customer engagement and retention platform that operates the website moengage.com. The company was founded in 2014 and is headquartered in San Francisco, California, with additional offices in Bangalore…
United States · Customer Service Automation Software
Persona is a software company that provides a no-code, drag-and-drop platform for building personalized customer experiences. The platform allows businesses to create targeted messaging, personalized content, and…
United States · Customer Service Automation Software
EliseAI empowers housing and healthcare organizations with powerful automation and conversational AI, streamlining conversations, enhancing customer engagement, and delivering unparalleled efficiency across housing and…
Estonia · Customer Service Automation Software
The First Sales-Oriented Unified Communications Solution Your communications system can either boost your revenue or create bottlenecks that slow your business down. Turn it into the core of your operations and grow…
India · Customer Service Automation Software
BUSINESSNEXT is a universe of composable enterprise solutions with a focus on banks and financial services globally. Recognized as a Leader by leading industry analysts, it leverages technology, innovation, and…
India · Customer Service Automation Software
SunTec is the world’s #1 Relationship-based Pricing and Billing company that helps organizations to future-proof their customer relationships with products built on its award-winning, cloud-native and micro-services…
SunTec Business Solutions revenue & fundingCustomer.io vs SunTec Business Solutions
United States · Customer Service Automation Software
B-Corp-certified outsourcing company providing seamless customer experiences for values-aligned clients, while empowering local team members to develop and grow
United States · Customer Service Automation Software
The company that owns Glia is called Glia Technologies, Inc. It is a software company that provides a digital customer service platform designed to help businesses interact with their customers in real-time through…
India · Customer Service Automation Software
Exotel is an Indian cloud telephony company that offers communication solutions for businesses. Their platform provides a range of services such as virtual phone numbers, IVR systems, call recording, SMS and voice…
United States · Customer Service Automation Software
An outsourcer of customer care that connects world-class remote workers with the nation's leading brands
Omni Interactions revenue & fundingCustomer.io vs Omni Interactions
Poland · Customer Service Automation Software
LiveChat is a customer service platform that offers live chat support, ticketing system, and chatbot capabilities. It helps businesses communicate with their customers in real-time and provide quick and efficient…
United States · Customer Service Automation Software
Yellow.ai is an enterprise-grade conversational AI platform founded in 2016 and headquartered in Bangalore, India. The company builds Dynamic AI Agents that automate customer service and employee engagement interactions…
United States · Customer Service Automation Software
SmarTek21 stands at the forefront of innovation, leveraging Generative AI to power advanced data ecosystems and industry-leading conversational interfaces that transform customer interactions. Established in 2006, we…
United States · Customer Service Automation Software
Kajabi is a platform for online course creation and marketing. The company was founded in 2010 and is headquartered in Irvine, California. Kajabi's platform allows users to create and sell online courses, membership…
United States · Customer Service Automation Software
Provider of an online platform intended to help in monitoring customer experience. The company's CX Assurance Platform helps in automation of customer experience checking and monitoring, enabling clients to know if any…
Nederkoorn cited Mailchimp as the model Customer.io originally sought to emulate, describing a desire to build an entirely self-service business in the style of Mailchimp. This was presented as a strategic framing from the company's early years rather than a direct competitive comparison, and no financial or market-share figures about Mailchimp were stated by Nederkoorn.
No other competitors were named in this interview. Competitive positioning, market share, and alternative platforms were not discussed.
Customer.io ranks #24 of 1,736 Customer Service Automation Software companies by annual revenue, putting it in the top 1% of the market.
Customers Customer.io has named publicly in interviews, filings and case studies.
| Date | Round | Amount | Valuation |
|---|---|---|---|
| Mar 2022 | Series A | $35M | $690M |
| Mar 2017 | Seed | $2.9M | Not disclosed |
| Mar 2017 | Seed | $498K | Not disclosed |
| Mar 2015 | Convertible Note | $1.5M | Not disclosed |
| Jan 2013 | Seed | $150K | Not disclosed |
| May 2012 | Pre-Seed | $250K | Not disclosed |
Customer.io's Founder Wrote the Shutdown Letter Before the Database Came Back
Colin Nederkoorn spent six hours of a twelve-hour outage drafting the letter that would end his company. It is one of nine mistakes he catalogues from Customer.io's run to $10 million ARR.
The closest alternatives to Customer.io are ActiveCampaign and Intuit Mailchimp. This page compares each of them with Customer.io on revenue, funding, customers and team size.
ActiveCampaign is the closest alternative to Customer.io, generating $290.5M in revenue. Which alternative fits best depends on budget and company size, so compare all 20 alternatives above before choosing.
Customer.io generates $100M in revenue.
Customer.io has raised $40.3M in funding.
Customer.io has 2.9K customers.
No. ActiveCampaign generates $290.5M in revenue versus $100M at Customer.io.
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