1. Go to https://artists.spotify.com/c/access/artist
2. Type your artist name exactly as it appears on Spotify or simply copy and paste the URL of your Spotify artist profile (you can find the URL by clicking the three dots on your profile).
3. To verify your identity, Spotify will prompt you to enter the passwords of your artist's social networks. Simply follow the instructions on the website and provide the necessary information.
4. You'll be notified by email if your request is approved or if you need to take another step.
5. Once it's approved, your artist profile gets the verified mark and you'll have access to your dashboard on Spotify for Artists.
​
More information at https://artists.spotify.com/