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Press Release -- August 26th, 2025
Source: proximus-group
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Firsty and Proximus Global team up on affordable roaming across borders

The tech start-up in mobile connectivity will leverage Proximus Global’s networks to power its connectivity platform for travelers and customers of partners such as Uber and Mastercard.

In its mission to reshape global mobile connectivity, tech startup Firsty has selected digital communications company Proximus Global to power connectivity for its eSIM platform worldwide. The partnership aims to bring travelers extra convenience and peace of mind almost anywhere in the world through more affordable options for roaming compared to traditional roaming rates.

Firsty offers eSIM-based mobile connectivity for service providers, international companies, and individual travelers. It offers several unique service models, including the first free global connectivity for consumers, and several partnerships with companies including Uber, Mastercard, and Belfius. Playing card manufacturer Cartamundi, among others, uses the technology to keep its traveling employees connected online easily and affordably.

Through the partnership, Firsty will combine its proprietary telecom stack, including its own eSIM provisioning, with Proximus Global’s extensive mobile infrastructure, expertise, and relationships globally. For Firsty, this will mean faster time-to-market, lower operational costs, and an improved end-user experience.

Without the global networks of partners like Proximus, our mission would not be possible. Together, we are leveling the playing field, whether you are a bank, a traveler, or a digital player. Our users no longer have to think about mobile connectivity while travelling, whether it be ‘eSIM swaps’ for each country or different international rates for roaming. They are simply connected, in more than 170 countries, for free or at a fixed low price,” says Gauthier Thierens, co-founder of Firsty.

Cross-border telecom has historically been complex. The arrival of eSIM has changed this. But for it to work well, global scale and collaborations with operators around the world are essential. This is precisely what Proximus Global can offer Firsty, to jointly enable players like Uber to be online worldwide,” says Jorn Vercamert, Chief Product Officer at Proximus Global.

About Firsty

Firsty is the tech company behind the eponymous mobile app, founded in 2023 by Belgian entrepreneur Gauthier Thierens and Dutch co-founder Vince Vissers. Their mission: to make mobile connectivity simple, accessible, and ideally free, for users everywhere.

Today, Firsty operates a global connectivity platform, primarily delivered through its mobile app. Its services are increasingly used by companies that wish to offer seamless global connectivity to their employees and customers.

With nearly one million users and partnerships with major players such as Uber, Firsty is one of the fastest-growing TelTech firms in Europe. The company recently expanded into Asia with a second office in Singapore.

For more information, visit https://www.firsty.app/

About Proximus Global

Proximus Global, combining the strengths of Telesign, BICS, and Route Mobile, is transforming the future of communications and digital identity. Together, our solutions fuel innovation across the world’s largest companies and emerging brands. Our unrivalled global reach empowers businesses to create engaging experiences with built-in fraud protection across the entire customer lifecycle. Our comprehensive suite of solutions – from our super network for voice, messaging, and data, to 5G and IoT; and from verification and intelligence to CPaaS for personalized omnichannel engagement – enables businesses and communities to thrive. Reaching over 5 billion subscribers, securing more than 180 billion transactions.

For more information, visit https://www.proximusglobal.com

Proximus Global Press Contact:

Name: Marcus Hedenberg

Email: marcus.hedenberg@babelpr.com

Tel: +44 7494 784779

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