An entity is a real-world person, business, place or organization that search engines try to recognise and connect with related information.
No one can guarantee that. A consistent, relevant listing is one supporting reference, but search engines decide independently what to show.
A profile surrounded by relevant cold case content describes your specialty in context, which is more meaningful than thin unrelated listings.
Use the same firm name, region, phone number and titles everywhere, and update every profile, including the directory, when anything changes.
Be cautious. Guaranteed ranking claims and mass link schemes are unreliable and can conflict with search engine spam policies.