You would be pleased to know that information about all companies regardless of where they may be from can be found online so if you would like to learn more about a particular company that operates in a particular niche then you can definitely get it online.
You can either start looking for information by typing in the name of the company whose information you may be looking for on search engines including Google or you may simply proceed directly to the website belonging to the company that you may be researching about so you can have somewhere to start your reading from.
You would obviously have an idea of the niche that you would want to research companies in and hence, your research would be customised towards investigating companies that meet certain criteria. If you are interested in looking for information about companies that operate in agribusiness then you will want to get a list of companies from countries of your interest that you can start researching about.
For example if you are looking for a popular agribusiness in Europe in general or from Switzerland in particular then you would come across Ameropa Holding Binningen as a prominent name that you would want to do some reading about.