The usual first step is a free Starter Google Ads audit: three cost-killing changes on one campaign, ready to apply. We need read-only access to your Google Ads account. You get the audit within two business days once that access is in place.
Our FAQ describes the same steps.
The free Starter Google Ads audit page has the same scope. Read-only access can be revoked and can't change anything in your account. All our audits cover Google Ads only.
If the audit shows we're a good fit, we talk about scope next. Do you keep your Google Ads account? covers account ownership and month-to-month work.