What Google says
Google's help page is direct about it: a Search profile does not directly affect ranking. Anyone selling a profile as a way to "rank higher" or "win search" is selling something Google says it doesn't do.
There is one stated effect on distribution. If someone follows you from your Search profile, they may see more of your content in Discover. That depends on people choosing to follow you. It is not a ranking boost.
What it does change
- One page gathers your accounts, recent posts and links, so someone who finds one of your accounts can find the rest.
- You choose the photo, cover, bio, links and pinned posts, so the first impression is the one you picked.
- Your name, bio and social links from the profile may be shown in your knowledge panel.
- You get Insights: clicks and impressions for your content on Search and Discover.
Why creators set one up anyway
People search your name before they deal with you: a brand manager checking you're real, a journalist confirming a detail, an event booker comparing three names. They aren't looking for you to rank for a keyword. They're checking who you are.
A claimed profile and a first page of results that agree with each other answer that question quickly. That's the whole case for it.
What we promise, and don't
We set the profile up properly and keep how you appear consistent. We don't promise rankings, reach or follower growth, because nobody outside Google can deliver those through a Search profile.