Who are StealthMail's competitors?

Egress, MX Layer, and Barracuda Networks, Inc. are among the closest in Email & Messaging Security. The full competitive set, with overlap scoring, is in the platform.

StealthMail

Email & Messaging SecurityLondon, United Kingdomfounded 2017private

StealthMail is a cybersecurity company specializing in Email & Messaging Security, founded in 2017 and headquartered in London, United Kingdom. It has raised $2.7M in equity across 2 priced rounds, employs about 6 people, and is privately held.

Explore in Mandos Request full profile

updated Sep 12, 2026

StealthMail Momentum score

26/ 100

Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.

Growthlocked

Marketlocked

Financiallocked

StealthMail products

StealthMailEnterprise email security via encrypted stealth-links, bypassing SMTP vulnerabilities.Details ↗

StealthMail funding

StealthMail has raised $2.7M in priced equity. Its most recent round was a Seed in October 2018.

Equity raised: $2.7M2 priced rounds
Last round: SeedOct 2018

View the complete funding history

StealthMail employees and hiring

StealthMail has about 6 employees.

Employees: 6
Open roles: 0

See hiring trends

The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Email & Messaging Security

Common questions about StealthMail.

How much funding has StealthMail raised?: StealthMail has raised $2.7M in priced equity. Its most recent round was a Seed in October 2018.
How many people work at StealthMail?: StealthMail has about 6 employees.
Who are StealthMail's competitors?: Egress, MX Layer, and Barracuda Networks, Inc. are among the closest in Email & Messaging Security. The full competitive set, with overlap scoring, is in the platform.
What does StealthMail do?: StealthMail is a cybersecurity company specializing in Email & Messaging Security, founded in 2017 and headquartered in London, United Kingdom.
What products does StealthMail sell?: StealthMail sells StealthMail.