Connecting travelers worldwide

Telcomia is a global eSIM platform that makes staying connected abroad simple, affordable, and instant.

What we do

Telcomia provides prepaid data plans for international travelers through eSIM technology. No physical SIM cards, no roaming charges, no visits to local shops. Purchase a plan before your trip, scan a QR code, and you're online — in over 200 countries.

We work with multiple wholesale connectivity providers to offer the best rates in every destination. Our platform compares coverage and pricing across networks to ensure you always get the most competitive deal available.

Why Telcomia exists

International roaming is broken. Travelers face unpredictable bills, overpriced data packages, and the hassle of buying local SIM cards in unfamiliar places. Telcomia was built to fix that.

We believe staying connected while traveling should be as easy as booking a flight. One purchase, one QR code, instant connectivity. Whether you're traveling for business, studying abroad, or backpacking across continents — Telcomia keeps you online.

Our approach

✓Multi-provider — We source connectivity from leading global carriers, not a single network. Better coverage and better prices.
✓Transparent pricing — No hidden fees, no surprise charges. The price you see is the price you pay, including all taxes.
✓Instant delivery — Your eSIM is delivered digitally within minutes of purchase. No shipping, no waiting.
✓200+ countries and territories — From major destinations to remote locations, we cover the globe.

Founder-led, built by a traveler

Telcomia was founded by Mariano César Carneiro, an engineer and lifelong traveler who kept running into the same two problems on every trip: paying too much to get online, and not knowing where to turn when something went wrong far from home. Most eSIM services solve the first problem. Telcomia was built to solve both.

Patent-pending safety technology

Every Telcomia plan includes a travel-safety layer you won't find on any other eSIM platform — protected by two patent applications filed with the Spanish Patent and Trademark Office (OEPM):

✓P202630476 — destination risk-scoring system for travelers
✓P202630435 — traveler alert system

Built on the framework of EU Directive 2015/637 on consular protection, the platform maps ~10,000 embassies and consulates with GPS, official travel advisories, and emergency phrases in 41 languages with audio.

How we operate

Telcomia is founder-led and runs on a distributed operating model — specialist partners across Europe, each covering a core function:

✓Connectivity — Multi-carrier wholesale infrastructure with coverage in 200+ countries and territories.
✓Legal & compliance — Independent legal counsel in Tallinn, Estonia.
✓Company administration — 1Office Group (Tallinn), licensed corporate services provider.
✓Customer support — 24/7 multilingual assistance in 30 languages, powered by our AI support assistant.
✓Partnerships — A growing network of travel creators and agencies across Europe, Latin America and beyond.