A t the heart of Estonia ’ s business sphere lies the country ’ s capital , Tallinn . The burgeoning city is also making waves in the wider European business scene too – and for good reason . Between free public Wi-Fi , a well-educated population , and business-friendly tax policies , Tallinn has quickly become a force to be reckoned with amongst professional circles . In 2016 , the country ’ s gross domestic product ( GDP ) was € 20.9 billion 53 % of which was comprised of Tallinn ’ s GDP . Recognising the country ’ s potential , more and more businesses , startups and employees are also flocking to the Eastern European capital . In 2015 , there were 13,462 companies in Tallinn with turnovers of more than € 100,000 and 29 companies with turnovers of more than € 1mn .