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Firsty

Amsterdam, NL · Founded 2023 · 29 employees on LinkedIn · 2 known investors

Find your way into Firsty

Firsty offers a global eSIM mobile service with free, pay-per-GB, and unlimited plans, providing data coverage and international calling across 170+ countries. The consumer app-based service targets travelers seeking mobile connectivity without roaming fees.

ConsumerMobility & TransportationTravel & Hospitality

Founders & leadership

Firsty was founded in 2023 by Gauthier Thierens.

GT
Gauthier ThierensinCo-Founder

Investors · 2

DFF VenturesAmsterdam · $275K – $2.8M
SpeedinvestreportedVienna · $5M – $30M

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

In the news

Firsty works on new financing round to support sponsored roaming service - Telecompapertelecompaper.com · Aug 2026Singapore startup Firsty raises $5.8m to expand free global mobile datadealstreetasia.com · May 2025Amsterdam’s telecom startup Firsty raises €5.1M in Seed roundsiliconcanals.com · Nov 2024Firsty Raises €1.1M in Pre-Seed Fundingfinsmes.com · Jan 2024Firsty wants to eradicate high data roaming bills. It just raised $1.2 million with this 13-slide pitch deck.businessinsider.com · Jan 2024Firsty raises €1.1M to faciliate cross-border mobile data usage - Tech.eutech.eu · Jan 2024

Frequently asked questions

What does Firsty do?
Firsty offers a global eSIM mobile service with free, pay-per-GB, and unlimited plans, providing data coverage and international calling across 170+ countries. The consumer app-based service targets travelers seeking mobile connectivity without roaming fees.
Who founded Firsty?
Firsty was founded by Gauthier Thierens in 2023.
Who are Firsty's investors?
Firsty's investors include DFF Ventures, Speedinvest.
Where is Firsty headquartered?
Firsty is headquartered in Amsterdam, NL.