Is there a way to get only a single field, or a specific list of fields back when querying an object?

 For example, if I want to just get the name of the company, or the date it was created back when I look up the ID? I know that in general I could just ignore the rest, but I'm trying to do this within a Custom Action, and I don't necessarily want to write the whole company object back to the Person I'm looking it up for.

For context on why I'm doing this rather than associating that Person directly to the Company, I don't want to pollute my Companies with non-employees of said Company. However, I'd still like to be able to look up what Company they are requesting support for so that we can customize their experience when they are interacting with a bot.