ProtonMail

proton.me

information technology & services

proton.me

Plan-les-Ouates, Geneva, Switzerland

501-1000 employees

134200000 revenue

LinkedIn Profile

About ProtonMail

secure email, internet privacy, encrypted email, vpn, privacy, online privacy, online security, password manager, cybersecurity, encryption, file storage solution, saas, privacy tech, cloud storage, endtoend encryption, internet, free email, technology, encrypted docs, 2fa authenticator

ProtonMail's Tech Stack

17 technologies detected · 12 decision makers · Emails available

Sales Outreach Angle

Zendesk usage signals a customer support operation. Alternatives, add-ons (AI agents, ticketing automation, CX analytics), and customer feedback tools are strong sales angles.

ProtonMail's Position in the StackWho Database

• ProtonMail is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 1,091 companies in Geneva are in the StackWho database.
• 1,780 information technology & services companies are in the 501-1000 employee range (same size as ProtonMail).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does ProtonMail use?

ProtonMail uses StatusPage IO, Zendesk, Adobe Media Optimizer, Google Play, Cedexis Radar, Bootstrap Framework, and 11 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at ProtonMail?

StackWho has verified email addresses for 12 decision makers at ProtonMail. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach ProtonMail directly for sales, recruiting, or partnerships.

What industry is ProtonMail in?

ProtonMail operates in the information technology & services industry, headquartered in Plan-les-Ouates, Geneva, Switzerland. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export ProtonMail's contact data?

Yes. StackWho Pro members can export decision maker contact data for ProtonMail and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.