Meet the Sifted 100: Southern Europe's fastest-growing startups of 2026

2026-05-20 · Source: Sifted · Field: Business & Management — Entrepreneurship & Start-ups, Corporate Strategy & Leadership, Artificial Intelligence & Machine Learning · Depth: Fundamental Awareness, short

Summary

The Sifted 100: Southern Europe Leaderboard for 2026, in partnership with Nebius, ranks the region's 100 fastest-growing companies based on a two-year revenue compound annual growth rate (CAGR). Milan-based Hotiday, a hotel room subletting startup founded in 2022, secured the top spot with a 1330.95% CAGR between 2023 and 2025. Lexroom, an AI legal tech firm also from Milan, placed second with 1129.64% CAGR, having recently raised a \$50m Series B. Barcelona's Enginy, an AI sales platform, ranked third with 889.61% CAGR. Business-to-business software remains the dominant vertical, representing 32% of companies, while 13 are AI-native and 9 are climate tech. Milan is the leading hub with 27 ranked startups.

Key takeaway

For entrepreneurs or investors targeting Southern Europe's startup ecosystem, prioritize ventures in B2B software and AI-native solutions, particularly those based in Milan. Your growth strategy should emphasize strong revenue CAGR, potentially leveraging niche markets like hotel room subletting or legal tech. Consider building a robust social media presence, as demonstrated by Enginy's CEO, to enhance outbound sales and customer trust.

Key insights

Southern Europe's fastest-growing startups in 2026 are dominated by B2B software and AI, with Milan as a key hub.

Principles

• Revenue CAGR is a key growth metric.
• B2B software consistently leads regional growth.
• Social media can drive outbound sales.

Method

The Sifted 100 ranking uses a two-year revenue CAGR over the past three financial years. Companies must be private, independent, founded post-2010, and have proprietary tech.

In practice

• Focus on B2B software solutions.
• Leverage AI for specialized applications.
• Build a strong social media presence.

Topics

• Startup Rankings
• Southern Europe Tech
• B2B Software
• AI Startups
• Revenue Growth
• Milan Tech Hub

Best for: Investor, Entrepreneur, Director of AI/ML

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Editorial summary, takeaway, and curation by AIssential. Original article published by Sifted.