How can we find the best companies in the world? This screener would be a good start: finding the best compounding quality companies, as described by Compounding Quality.
Great capital allocation: high ROCE
Secular Trend: at least 5% revenue growth
Secular Trend: at least 7% earnings growth
High Profitability: high FCF margin
A gross margin of at least 40%
Low Capital Intensity
Great capital allocation: high ROIC
High Profitability: high profit margin
Long term chart
Run this screen in your favorite region. You can always further fine tune the screen by changing the general settings after it opened in the screener.