GMB for an online service

What do you think about creating a Google My Business profile for a 100% online service? It might help with authority possibly boosting the site in SERP?

GMB is the most important SEO factor nowadays, even for your online presence it's so important to get listed on GMB, you can't perform local SEO without GMB, it will definitely increase your online visibility and you will see a good effect on SEO ranking too.

Setup Legit GMB -> Add Google Business site -> Link your main site in posts of G Business site. It works.