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Top 2 Email Client Software Companies With $5M–$10M Revenue (September 2026)

As of September 2026, Latka tracks 2 email client software companies with $5M–$10M in annual revenue. They have combined revenues of $14.8M and employ 82 people. They serve 2K customers combined.

Every company below sells email client software to other businesses and is ranked by its most recent annual revenue. Revenue, funding, headcount and customer figures come from CEO interviews on the Latka podcast, public company filings, and Latka estimates where a company has not disclosed a number.

What Email Client Software Companies do

Email client software enables users to access, manage, and send emails effectively. This software can function as a standalone application installed on a desktop or mobile device, or as a web-based service, offering flexibility based on user preferences. Common use cases include personal communication, business correspondence, and team collaboration, where users need organized access to multiple email accounts in one place. Typical features of email client software include the ability to send and receive emails, manage contacts, schedule calendar events, and organize messages through folders or tags. Additional functionalities may encompass spam filtering, email encryption, and integration with other productivity tools. The primary users of such software range from individual consumers to business professionals in roles such as administration, sales, marketing, and IT who require robust email management and communication capabilities.

Companies
2
Revenue
$14.8M
Funding
-
Employees
82

Filters

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Filters
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Top Email Client Software Companies With $5M–$10M Revenue

Showing 2 of 2 companies ranked by annual revenue.

1500apps logo
500apps

New York, New York, United States

500apps is the world's first All-in-One SaaS suite of 39+ apps that cover all areas of business operations. This includes the world’s top 5 CRM, live-chat, leads finder, marketing automation, email service, website builder, conferencing, collaboration, etc. You can also build an app on your own. We have helped over 30,000 businesses grow like the Fortune 500 and with 6 data centers, 12 languages, and a 99.5% global uptime guarantee we are revolutionizing the global workspace. • All-in-One Suite of 39 apps for your entire company • Unbelievable pricing - $14.99/user - no tiers • 24/5 Chat, Phone, and Email Support with daily Onboarding Webinars • 200+ Integrations with the finest software tools in the market • Countless product releases each year via automatic updates

Revenue
$8.7M
Year founded
2018
Team size
79
2Missive logo
Missive

Quebec, Quebec, Canada

Unified communication and collaboration platform

Revenue
$6.1M
Customers
2K
Year founded
2015
Team size
3

Frequently asked questions about Email Client Software Companies With $5M–$10M Revenue

How many email client software companies with $5M–$10M in annual revenue are there?

Latka tracks 2 email client software companies with $5M–$10M in annual revenue. Together they generate $14.8M in annual revenue and employ 82 people.

Which email client software company with $5M–$10M in annual revenue is the largest?

500apps is the largest, with $8.7M in annual revenue, founded in 2018.

How much revenue does a typical email client software company with $5M–$10M in annual revenue make?

The average email client software company in this list makes $7.4M a year, across 2 companies with reported revenue. They serve 2K customers combined.

Who are the leading Email Client software vendors with $5M–$10M in annual revenue?

Ranked by annual revenue, the leaders are 500apps and Missive.

Related Office Software categories

All Office Software SaaS categoriesEvery category we track inside Office Software, each ranked by revenue.Browse every SaaS industryThe full A-Z of SaaS categories Latka tracks, from Email Client to everything else.

Inclusion Criteria

- Must allow users to send and receive emails from one or multiple accounts - Should provide organization features such as folders, tags, or categories for managing emails - Must support integrations with calendar and contact management tools - Needs to offer enhanced security features, such as encryption and spam filtering - Not just for sending and receiving emails; must also provide tools for email management and organization - Should include a user-friendly interface for ease of use across different devices.