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#1819 by ARRMenlo Park, USmaterial.security ↗

Material Security

Material Security sells cloud-native email and SaaS data security software that protects sensitive content in Google Workspace and Microsoft 365 for enterprises.

ARR
$30M
as of Sep 2026
Employees
~150
as of Oct 2026
Valuation
$1.1B
37× ARR
ARR / employee
$200K
revenue efficiency
About Material Security

Material Security protects email accounts and the sensitive data stored in them, even after an account is compromised or a malicious message gets through. It connects through Microsoft 365 and Google Workspace APIs and is sold to enterprises as a cloud-based security product. Customers named in 2022 include Chubb, Compass, Roblox, Brex, Lyft, Mars, Databricks and DoorDash. In May 2022 the company raised a $100M Series C led by Founders Fund at a $1.1B valuation, bringing total funding to about $166M. It plans to extend protection to content stores such as Google Drive, Dropbox and Slack.

Investors · 10

LeadFounders FundVenture capital23 partners on file
BoardAndreessen HorowitzVenture capital· Martin Casado (General Partner at Andreessen Horowitz)290 partners on file
Investor122 West VenturesVenture capital
InvestorAmplify PartnersVenture capital15 partners on file
InvestorAndreessen HorowitzVenture capital290 partners on file
InvestorLa FamigliaVenture capital
InvestorScript CapitalVenture capital1 partner on file
InvestorSnowflakeCorporate8 partners on file
InvestorSouth Park CommonsAccelerator18 partners on file
355 partner contacts across these firms, emails and LinkedIn are in Investor Contacts for paid members.

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