No one can, unfortunately, and if anyone offers this, run. Agencies often use your own business name to get clicks that they can show in reports to you. It looks impressive, but often they're the direct search clicks you'd get, anyway. A Successful google ads are rotated by Google automatically, so you're not always in the number one spot, by default.
If you want to get to the top of Google organically without having to pay per click, then SEO is the service from a digital agency that's best to focus on.