Brand video is what happens when a company stops thinking about ads and starts thinking about a film their customers will actually want to watch. A good brand film does not feel like advertising. It is closer to a short documentary, a magazine feature, or a portrait of the people behind the work.
Look for a videographer who asks about your customers before they ask about your gear preferences. Their first questions should be about who is in the story, not what camera they will use. The studios in this directory regularly work with agencies, in-house marketing teams, and founders directly.