America, Asia, and Oceania.

Founded in 2002 in Buenos Aires, Argentina, HOLASIM originated as Phonerental — a mobile communications company created to solve a connectivity gap for international travelers. As embedded SIM technology matured, the company launched the HOLASIM brand in 2015 and transitioned to a fully digital eSIM provider. Phonerental Inc., the parent company, is incorporated in the United States with headquarters in San Diego, California, and maintains offices and distribution centers across Latin America. The company has over two decades of experience in travel connectivity, making it one of the longest-operating providers in the travel eSIM industry.

HOLASIM's eSIM plans are purchased entirely online. After completing a purchase, customers receive a QR code via email, scan it with their smartphone, and connect to a local carrier network upon arrival at their destination. Plans can be installed before departure and activated on landing, eliminating the need for store visits, physical cards, or roaming. The service is compatible with more than 200 eSIM-enabled devices. Key features of the HOLASIM eSIM service include prepaid plans with no contracts; unlimited data options with 5G/4G LTE speeds across 180+ countries and regions; coverage through partnerships with more than 400 carrier networks worldwide; and a range of country-specific, regional (Europe, Asia, Latin America, Oceania), and global eSIMs. Plans are available for durations from 1 to 90 days with flexible activation dates, and select plans include hotspot and data sharing. All plans feature instant digital delivery and are supported by 24/7 multilingual human customer support.

HOLASIM serves individual travelers, digital nomads, frequent business travelers, and corporate clients. The company also operates B2B partnership programs, including affiliate commissions, co-branded storefronts, API integrations, and bundled eSIM-as-a-benefit offerings, with travel agencies, airlines, insurance providers, fintech platforms, and loyalty programs across Latin America and globally. HOLASIM competes in the travel eSIM market alongside providers such as Airalo, Holafly, Nomad, Ubigi, Saily, and Jetpac, differentiating through its 20+ year track record in travel connectivity, coverage across 180+ destinations, unlimited data plans, pricing starting at $3.00 USD, and dedicated multilingual human support across eight countries in the Americas.