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Strategy 7 min read Updated September 23, 2026

What is a marketing agency onboarding checklist?

Short answer

A proper onboarding checklist covers account access, an audit of what's already in place, tracking verification, agreed goals, a baseline report, and a set communication and reporting cadence, all before major changes begin. Missing any of these means the agency is starting to work without actually knowing what it's working with.

Key facts

  • A proper onboarding process covers platform-level access, Google Ads, Analytics, Search Console, Google Business Profile, website, granted through each system's own permission settings, not full account ownership transfer.
  • Conversion tracking, whether forms, phone calls, or purchases fire correctly as tracked events, is commonly broken or incomplete on accounts an agency inherits, making a tracking check a standard early checklist item rather than an optional one.
  • A documented baseline, the actual traffic, ranking, spend, or lead numbers at the start of the engagement, is the only way to later prove what changed because of the new work versus what was already true beforehand.
  • Communication cadence, how often you'll hear from the agency and through what reporting format, varies by agency and should be explicitly agreed during onboarding rather than assumed from a sales conversation.
  • A written scope of work, defining exactly what's included in the retainer or project, prevents the common later disagreement over whether a specific task was supposed to be covered.

Access and Audit: The Foundation Items

The access line items cover the advertising account, the analytics setup, the search reporting tool, the business listing, and website admin or staging access, each one granted at the level the actual work requires.

The audit line items are a review of current campaign or content status, a tracking check across forms, calls, and purchases, and a technical health check of the website itself.

Nothing meaningful should start before these are genuinely done, not simply checked off on a form without the underlying work actually happening.

Goals and Scope: What You're Actually Agreeing To

Goals should be specific and business-relevant, leads, cost per lead, revenue, rather than vague language like "grow the business" with nothing concrete attached to it.

A written scope of work, defining exactly what's included in the retainer or project, heads off the common later dispute about whether a specific task was supposed to be covered.

Baseline numbers should be documented and agreed before any new work formally begins, not reconstructed after the fact from memory.

Communication: Set the Cadence Explicitly, Don't Assume It

Confirm a named point of contact, an expected response time, and a set meeting frequency, rather than leaving these to be discovered later.

Agree on the reporting format and frequency specifically, not as a loose promise to "send updates," which means something different to every agency.

Ask what happens if the account manager changes or becomes unavailable, so continuity is planned for rather than improvised if it happens.

Using This as Your Own Checklist, Not Just the Agency's

Keep your own copy of a checklist like this and check items off from your own side, rather than trusting the agency's internal process alone to cover everything.

Flag any missing item directly as soon as you notice it, rather than assuming it'll happen eventually without being raised.

A genuinely thorough agency generally welcomes a client who's engaged with onboarding this closely, rather than being bothered by the extra attention.

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