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ProtonMail

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ProtonMail is a service that provides easy to use secure email.

Hosted Email
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Market Share of ProtonMail

Current Customer(s)

23398

Market Share (Est.)

0.25%

Ranking

#14

Top Competitors and Alternatives of ProtonMail

The top three of ProtonMail’s competitors in the Hosted Email category are Microsoft Outlook with 40.30%, Microsoft Exchange Online with 39.57%, 1&1 Email with 4.04% market share.

TechnologyDomainsMarket Share (Est.)Versus page
Microsoft Outlook373672240.30%ProtonMail vs Microsoft Outlook
Microsoft Exchange Online366914039.57%ProtonMail vs Microsoft Exchange Online
1&1 Email3750594.04%ProtonMail vs 1&1 Email
Strato2840103.06%ProtonMail vs Strato
SiteGround Email Hosting2816703.04%ProtonMail vs SiteGround Email Hosting
Zoho Mail2038722.20%ProtonMail vs Zoho Mail
One.com Email Hosting1497011.61%ProtonMail vs One.com Email Hosting
Rackspace Email1132671.22%ProtonMail vs Rackspace Email
Network Solutions Email760130.82%ProtonMail vs Network Solutions Email
Namecheap Private Email720560.78%ProtonMail vs Namecheap Private Email
GandiMail497790.54%ProtonMail vs GandiMail
Infomaniak E-mail443170.48%ProtonMail vs Infomaniak E-mail
Yandex Mail409430.44%ProtonMail vs Yandex Mail
United Domains Email190960.21%ProtonMail vs United Domains Email
Names Email Hosting177990.19%ProtonMail vs Names Email Hosting
FastMail177180.19%ProtonMail vs FastMail
123-reg Email Hosting176850.19%ProtonMail vs 123-reg Email Hosting
Soverin159800.17%ProtonMail vs Soverin
Aliyun Mail145410.16%ProtonMail vs Aliyun Mail
LCN Email91100.10%ProtonMail vs LCN Email
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Popular Comparisons

Top Competitors and Alternatives of ProtonMail

The top three of ProtonMail’s competitors in the Hosted Email category are Microsoft Outlook with 40.30%, Microsoft Exchange Online with 39.57%, 1&1 Email with 4.04% market share.

ProtonMail vs Microsoft Outlook

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ProtonMail vs Microsoft Exchange Online

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ProtonMail vs 1&1 Email

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ProtonMail vs Strato

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ProtonMail vs SiteGround Email Hosting

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ProtonMail vs Zoho Mail

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ProtonMail vs One.com Email Hosting

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ProtonMail vs Rackspace Email

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Customers of ProtonMail

Around the world in 2025, over 23398 companies have started using ProtonMail as Hosted Email tool.

CustomersEmployee RangeCityRegionCountrySocial Links
HCA Healthcare10,000+NashvilleTennesseeUnited States
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AnswerNet1,000 - 4,999Willow GrovePennsylvaniaUnited States
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Proton1,000 - 4,999Subang JayaSelangorMalaysia
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HackerOne250 - 499San FranciscoCaliforniaUnited States
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Hiring100 - 249Sao PauloSao PauloBrazil
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Pixelmatters50 - 99PortoPortoPortugal
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Fongit20 - 49GeneveGenevaSwitzerland
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Diprocon0 - 9WarsawMazoviaPoland
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Vollna0 - 9LondonEnglandUnited Kingdom
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Central Retail Vietnam5,000 - 9,999Ho Chi Minh CityHo Chi Minh CityVietnam
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ProtonMail Customers by Products and Services

The top three products and services offering customers that use ProtonMail for Hosted Email are Web Development (115), Web Design (114), Graphic Design (74).

Customers

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ProtonMail Customers by Employee Size

The majority of ProtonMail's customers for the hosted-email category fall in the company size of 0 - 9 employees (14358 companies), 10 - 19 employees (3409 companies), 20 - 49 employees (2777 companies).

Employee Size

ProtonMail Customers by Geography

The top three geographies of ProtonMail for hosted-email are the United States with 12043(61.59%), United Kingdom with 1637(8.37%), Canada with 1139(5.83%) customers respectively.

Customers

Employees of ProtonMail

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Also see other Products/Services by ProtonMail in:

Hosted Email

FAQ

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.

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What is ProtonMail customer distribution based on company size?

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What is ProtonMail market share in the hosted-email?

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What are the top countries that use ProtonMail?

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What are the top industries that use ProtonMail?

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