About us
Dear friend, we are happy to see you on our page!
We are Lumisim
Behind Lumisim is an international team of 30 talented specialists based across Latvia, Poland, Germany, Armenia, India, and Belarus. Different cultures, one mindset – curiosity, expertise, and a shared passion for the ever-evolving telecom world.
We genuinely love what we do: connecting people and helping businesses stay online wherever they are in the world.
Lumisim App
We believe technology should be simple.
That’s why we put a lot of care into making our app. Our goal is to make Lumisim your go-to solution whenever you travel.
Our current focus – and passion – is Lumisim: an eSIM solution designed for modern travelers. Whether you’re on vacation or a business trip, we provide stable, high-speed internet in more than 180 countries. We work closely with mobile operators around the world to ensure you get the best available speeds and the most competitive pricing in every region.
Intuitive
Everything works exactly how you expect, with zero friction.
Transparent
Full control of your data and quick top-ups anytime.
Visually Enjoyable
Bright, positive design inspired by travel freedom.
Led by Experience,
Recognized by the Industry
Our team is led by Tom Lenda, an outstanding telecom expert whose vision helps guide everything we do. Together, we’re proud to have earned recognition across the industry.
Over the past three years, we have consistently been recognized on the global stage, earning multiple international telecom awards across different segments.
And here is our latest achievement:
Best eSIM Provider 2025
Tom Lenda
CEO
We’re glad you’re here – and we’re ready to keep you connected wherever life takes you!
Roots & Reach
Lumisim is a project of Globtel, a company with deep roots in the telecom space. Together, we bring years of experience, strong industry partnerships, and a constant drive to improve how people stay connected globally.
Inside the Lumisim offices
Whether we are brainstorming in Riga, coding in Yerevan, or having a team coffee in Warsaw, our workspaces are designed for collaboration and focus. Take a look inside our global hubs.
Lumisim Moments
Step behind the scenes and discover our world – from major industry events to everyday company life. See how we work, turn ideas into reality, and build a strong team that connects not only in the office, but beyond it as well.
