As the Sole Survivor sets out into the harsh post-apocalyptic world of Fallout 4, they face many threats and enemies. Luckily, they don’t have to go it alone and have the opportunity to recruit companions to aid them in their journey, each with their own personalities and goals. As well as helping in combat and offering opinions on quests, all Fallout 4 companions also have unique perks that help boost certain skills. However, some are more useful than others.

https://screenrant.com/fallout-4-all-companion-perks-list/