What are the steps to register a new company in Colombia as a SAS and obtain a NIT?

To answer your first question immediately: No, you do not need a notary. That is the advantage of the SAS model in Colombia—it's created via a private document, saving you time and money. However, while the SAS registration is simple (3-5 days), the Foreign Investment registration with the Central Bank is where most foreign founders make costly mistakes. I am a Global Partner specialized in preventing exactly that. Let’s chat for 5 minutes to get this done right. Julián López