List of Proton Mail Customers
Plan-les-Ouates, 1228,
Switzerland
Since 2010, our global team of researchers has been studying Proton Mail customers around the world, aggregating massive amounts of data points that form the basis of our forecast assumptions and perhaps the rise and fall of certain vendors and their products on a quarterly basis.
Each quarter our research team identifies companies that have purchased Proton Mail for Transactional Email from public (Press Releases, Customer References, Testimonials, Case Studies and Success Stories) and proprietary sources, including the customer size, industry, location, implementation status, partner involvement, LOB Key Stakeholders and related IT decision-makers contact details.
Companies using Proton Mail for Transactional Email include: Avocats Sans Frontieres Belgium, a Belgium based Non Profit organisation with 130 employees and revenues of $6.0 million, Equipco, a United States based Professional Services organisation with 30 employees and revenues of $5.0 million, BioFi Switzerland, a Switzerland based Life Sciences organisation with 10 employees and revenues of $1.0 million and many others.
Contact us if you need a completed and verified list of companies using Proton Mail, including the breakdown by industry (21 Verticals), Geography (Region, Country, State, City), Company Size (Revenue, Employees, Asset) and related IT Decision Makers, Key Stakeholders, business and technology executives responsible for the software purchases.
The Proton Mail customer wins are being incorporated in our Enterprise Applications Buyer Insight and Technographics Customer Database which has over 100 data fields that detail company usage of software systems and their digital transformation initiatives. Apps Run The World wants to become your No. 1 technographic data source!
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| Logo | Customer | Industry | Empl. | Revenue | Country | Vendor | Application | Category | When | SI | Insight |
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Avocats Sans Frontieres Belgium | Non Profit | 130 | $6M | Belgium | Proton | Proton Mail | Transactional Email | 2024 | n/a |
In 2024, Avocats Sans Frontières Belgium implemented Proton Mail to strengthen security across its platforms and centralise digital tools for legal and NGO communications in Brussels. The deployment used Proton Mail as the organization’s Transactional Email solution and is inferred to have leveraged Proton Mail for Business based on the vendor testimonial, positioning the application as the primary secure email channel for operational communications.
Functional implementation emphasized encrypted email delivery and organization-level account management, with centralized administration to control access and mailbox governance consistent with Transactional Email platform capabilities. The rollout focused on legal and communications workflows within the Brussels operation and was accompanied by initiatives that raised cybersecurity knowledge among staff. Avocats Sans Frontières Belgium reported a reported cost reduction of about 70 percent and documented improved cybersecurity awareness following the implementation of Proton Mail.
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BioFi Switzerland | Life Sciences | 10 | $1M | Switzerland | Proton | Proton Mail | Transactional Email | 2024 | n/a |
In 2024, BioFi Switzerland implemented Proton Mail as its Transactional Email solution to secure R&D and partner communications while collaborating with academic and pharmaceutical partners in Basel. The deployment targeted a 10 person life sciences organization handling sensitive research data and intellectual property, aligning Proton Mail with corporate communications and IT controls for research collaboration.
The implementation included Proton Mail core capabilities such as end to end encrypted email, encrypted attachments, domain managed mailboxes, and administrative controls for user provisioning and mailbox policies. BioFi also adopted Proton Pass and Proton VPN to complement email encryption, creating a privacy first stack that addresses credential management and network security alongside Proton Mail.
Governance centered on centralized account administration, encrypted external collaboration workflows, and documented procedures for secure exchange of research materials with partners in Basel. The implementation narrative emphasizes Proton Mail as the Transactional Email platform for BioFi Switzerland, deployed to protect sensitive research data, intellectual property, and partner communications across the organization and its external research relationships.
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Equipco | Professional Services | 30 | $5M | United States | Proton | Proton Mail | Transactional Email | 2024 | n/a |
In 2024, Equipco implemented Proton Mail as its Transactional Email platform to secure sensitive project communications for environmental monitoring work across the United States. The implementation targeted company-wide email and communications workflows for a 30-person professional services firm, consolidating project correspondence under a single managed email service.
The deployment centered on Proton Mail for Business as the email module, configured to support encrypted messaging, corporate domain mailboxes, and administrative account controls consistent with Transactional Email capabilities. Configuration work explicitly addressed inbox deliverability problems caused by blacklisted shared IPs by moving outbound mail to Proton Mail's managed sending environment and applying deliverability safeguards and authentication controls.
Operational scope covered IT and communications functions supporting field monitoring and project teams across the U.S., with Proton Mail used to secure project-level exchanges and maintain reliable inbox delivery. Reported outcomes include improved reliability and inbox deliverability and resolution of deliverability issues tied to shared IP blacklisting, strengthening email-based workflows for project communications.
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Buyer Intent: Companies Evaluating Proton Mail
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