ANSWER:

There isn’t any prescribed percentage. Some scholars say that even one percent is prohibited as you are part of the owners.

Other scholars said that it shouldn’t exceed one third of the financing as the third is used a lot in sharia.

 

Sheikh, i watched your video where you’ve mentioned about buying share is not halal if a company involved in 50% or 70% riba. As all the companies in my country by default involved in some sort of riba transaction, what percentage of riba involvement of a company will make it permissible to buy it’s share?