Blackwall jumps 368% to become Estonia’s newest unicorn

Cybersecurity company Blackwall has reached a €1 billion valuation and ranks fifth in TopTech 2026 , the annual ranking of Estonia's 30 most valuable tech companies. Wise tops the table at €11 billion, followed by Bolt (€7 billion) and Veriff (€1.8 billion). TopTech is compiled by M&A advisory firm Prudentia Tallinn and Siena Secondary Fund , and is the only independent valuation of the Estonian tech scene.