Web Summit Lisbon News - The Web Summit´s impact on Portugal´s economy was extremely significant since it has contributed nearly 2.5 billion euros to the Portuguese economy over the past decade, according to data published by an EY study. Below is a diagram showing the impact of the Web Summit on Portugal´s Startup Ecosystem in 2025, as well as data showing the Gross Output of the Web Summit in Portugal, the Gross Value Added, and the Tax Revenue obtained in the last decade: