Current Customer(s)
Market Share (Est.)
Ranking
The top three of ProtonMail’s competitors in the Hosted Email category are Microsoft Outlook with 40.46%, Microsoft Exchange Online with 39.66%, 1&1 Email with 3.95% market share.
Popular Comparisons
The top three of ProtonMail’s competitors in the Hosted Email category are Microsoft Outlook with 40.46%, Microsoft Exchange Online with 39.66%, 1&1 Email with 3.95% market share.
ProtonMail vs Microsoft Outlook
ProtonMail vs Microsoft Exchange Online
ProtonMail vs 1&1 Email
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Around the world in 2025, over 25057 companies have started using ProtonMail as Hosted Email tool.
Customers | Employee Range | City | Region | Country | Social Links |
---|---|---|---|---|---|
Kangaroo Capital | 10,000+ | Mirabel | Quebec | Canada | |
Rickroll | 10,000+ | Kansas City | Missouri | United States | |
Ron Paul Institute For Peace & Prosperity | 10,000+ | Clute | Texas | United States | |
Kleer Marketing | 10,000+ | New York City | New York | United States | |
Keypoint Credit Services LLC | 10,000+ | Sacramento | California | United States | |
THORChain | 10,000+ | Zug | Zug | Switzerland | |
SOUND SPARK STUDIOS® SoundSpark® SPARK INC. | 10,000+ | Boston | Massachusetts | United States | |
Central Retail Vietnam Careers | 10,000+ | Ho Chi Minh City | Ho Chi Minh City | Vietnam | |
MEP CORP | 10,000+ | Isle of Man | |||
hg | 10,000+ | Kingston upon Hull | England | United Kingdom |
The top three products and services offering customers that use ProtonMail for Hosted Email are Web Development (130), Web Design (126), Marketing (82).
Customers
The majority of ProtonMail's customers for the hosted-email category fall in the company size of 0 - 9 employees (16899 companies), 20 - 49 employees (2914 companies), 10 - 19 employees (2825 companies).
Employee Size
The top three geographies of ProtonMail for hosted-email are the United States with 12823(61.10%), United Kingdom with 1740(8.29%), Canada with 1226(5.84%) customers respectively.
Customers
Find answers to the most often asked questions by users.
Who are the top ProtonMail competitors?
ProtonMail’s Top competitors in the hosted-email category are Microsoft Outlook, Microsoft Exchange Online, 1&1 Email. You can view a full list of ProtonMail competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of ProtonMail and 40,000 other technologies on the internet. You can also compare ProtonMail and its feature with top competitors here : ProtonMail vs Microsoft Outlook ProtonMail vs Microsoft Exchange Online ProtonMail vs 1&1 Email.
What is ProtonMail customer distribution based on company size?
What is ProtonMail market share in the hosted-email?
What are the top countries that use ProtonMail?
What are the top industries that use ProtonMail?
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