Sandgrain
4 known investors
Find your way into Sandgrain
373 people in our graph share verified history with the Sandgrain team — schools, employers, funds. One of them is your warm intro.
René Kuijtenunlockedknows Joeri Voets · together at Utrecht University (overlapped)
×4knows the team · via Leiden University
knows the team · via University of Twente
×3knows the team · via Radboud University
×3knows the team · via Utrecht University
SandGrain embeds immutable hardware-rooted tokens into connected devices to guarantee authenticity and sovereignty throughout their lifecycle using certificate-free, post-quantum cryptography. The company serves manufacturers and device producers seeking trustworthy IoT and industrial device authentication without provisioning overhead.
Founders & leadership
JD
Jeroen DoumeninFounder & Security ArchitectHe brings expertise in cryptography, cryptographic protocols, and embedded security.
JV

Joeri VoetsinCEOJoeri Voets holds a degree in Physics and brings over 20 years of business management experience across multiple leadership roles, including positions in general direction, commercial, and operational management. He is now CEO of Sandgrain, which develops hardware-rooted authentication solutions for connected devices.
Investors · 4
Funding
SEC filings, press & company announcements- Undisclosed amountSeries ADec 2025Source ↗
- Undisclosed amountextended seed fundingMar 2024Source ↗
- Undisclosed amountseed investment roundApr 2023Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does Sandgrain do?
- SandGrain embeds immutable hardware-rooted tokens into connected devices to guarantee authenticity and sovereignty throughout their lifecycle using certificate-free, post-quantum cryptography. The company serves manufacturers and device producers seeking trustworthy IoT and industrial device authentication without provisioning overhead.
- Who founded Sandgrain?
- Sandgrain was founded by Jeroen Doumen.
- Who are Sandgrain's investors?
- Sandgrain's investors include DeepTechXL, BOM, Innovation Industries, Invest-NL.





