It is free to create a Google Adwords account for your business. You can then have complete control of your account and give and remove access to whichever Administrators you choose.  It is important to link your Adwords Account with your current Google Account if you have one so that...

Local conversion actions are counted whenever people complete an action that’s specific to an advertiser’s physical location (like a store), during or after interacting with an ad for that advertiser. Since local conversion actions happen on Google’s products and services (for example, Google Maps), local conversion actions are automatically defined...