“Company culture” is a lot more than the values listed on your website or blu-tacked to your wall. Absolutely, company values can be used effectively to shape culture. But when all is said and done, company culture is really the sum of the work attitudes and personalities that every single employee brings to the office.
There’s no such thing as a “right” answer. Amongst 100 companies with amazing cultures you’ll find 100 different cultures. Of course, that’s not very helpful if you’re looking for a few culture hacks you that you can do right now, so instead let’s just look to one thing.