GigSky

GigSky is a veteran in the mobile data space, having been one of the first companies to offer global roaming solutions. They have expanded their expertise into specialized areas like maritime and aviation connectivity, which speaks to the robustness of their network partnerships. For the average traveler, GigSky offers a reliable, no-nonsense eSIM service that works in over 190 countries. While their interface may feel a bit dated compared to newer startups, their long-standing reputation for reliability and their ability to handle complex connectivity needs make them a solid choice.