The Financial Times recently released their list of the 1000 fastest growing companies in Europe 
Glen Allsopp curated the 48 he found most interesting in this free Google Sheet.
I particularly like the businesses that are working well in a specific country, as there’s a good chance the same thing could work well in other geos 
Examples…
- “Swedish-language broadband comparison website” = €2.5M revenue
- “Summer courses for ages 9-24 at prestigious UK colleges” = €13.2M revenue
- “Italian booking platform for snow-focused holidays” = €14.1M revenue
- “French-language platform for learning new skills e.g. tennis & piano” = €37.3M revenue