Detailed info and reviews on 100 top companies and startups in Iceland in 2026. . Iceland is a Nordic island country in the North Atlantic Ocean. It has a population of 356,991 and an area of 103,000 km 2 (40,000 sq mi), making it the most sparsely populated country in all of Europe. Reykjavík and the surrounding areas in the. . We're tracking Treble Technologies, Circula ehf. Netagerð Jóns Holbergssonar ehf. According to our database, a total of more than 130,131 businesses are registered in Iceland.