What should happen in your first 90 days with a new media agency?

In its first 90 days, a media agency should do the commercial groundwork before booking any media, should deliver a strategy you've agreed to, and then show clear progression across each 30-day benchmark, i.e. foundations confirmed at 30 days, genuine performance patterns and active optimisation at 60, and a full strategic review at 90. If this doesn’t happen, it’s a red flag, and you should challenge it.

What should happen before a single dollar of media is booked?

While simplified and by no means finite, it's skipped more often than it should be.

Before booking anything, your agency should understand the business: its commercial objectives, ideal customer profiles, customer journeys, competitive position, historical performance and whatever you already know about your customers. It should review the available data, speak to the relevant internal teams and establish what success actually means.

So, are we building awareness, generating enquiries, acquiring customers, increasing sales, or improving the efficiency of something already running? Often it's a combination, and each channel needs a clearly defined job.

Audience research should then identify who you need to reach, what motivates them, where they spend their attention, and what barriers might stop them acting. There are plenty of tools for this, some static and some dynamic, and the dynamic end is where we invest. Either way, that foundation is non-negotiable.

Only after all that should anyone recommend a media strategy, channel mix, investment level, campaign phasing and measurement framework.

Skip it, and you start with whatever channels were used last year, then reverse-engineer a strategy around them. That's the wrong way around.

What documents should you receive?

At the end of the onboarding process, you should be holding:

  • A clear strategic brief that everyone has agreed to
  • An audience definition supported by research and data
  • The planning principles underpinning the strategy
  • A channel strategy explaining the role of each channel
  • A detailed media plan and buying schedule
  • A transparent budget showing media, agency fees, production and third-party costs separately
  • A measurement framework with agreed KPIs and data sources
  • A campaign timeline covering creative deadlines, approvals, launch dates and reporting
  • A responsibility matrix showing who owns each part of the process.

It looks like a lot, and it doesn't need to be a hundred-page deck full of jargon. It needs to be clear enough that everyone with a stake, whether that's the CMO, the marketing manager or the business owner, understands what we're doing, why, and how it will be judged.

What should you see at 30 days?

The exact timing shifts with the campaign, market conditions, competitive landscape and buying cycle, though the shape should be consistent.

At 30 days, you're confirming the foundations hold. Tracking is working, campaigns are live as planned, and creative and placements are being delivered correctly. There's no obvious wastage. You're starting to build a performance baseline, and you should be careful about drawing big conclusions from a small amount of data.

Patience is the hard part here, because business owners want results immediately.

What should you see at 60 days?

By 60 days, your agency should be identifying genuine patterns. Which audiences, messages, placements and channels are performing? Where are people dropping out? What's being optimised, and why?

This is the point where you should start seeing decisions, not just observations, alongside delivery against the KPIs you agreed at the outset.

What should you see at 90 days?

At 90 days, things should be humming, and you should get a proper strategic review.

What have we learned? What worked? What didn't? How is media delivery connecting to business results? Do we continue, change the mix, scale the investment, or rethink part of the approach?

The point of the 30, 60, and 90-day rhythm is progression. You should see incremental growth across the business, underpinned by constant communication.

Key takeaways

  • Groundwork before booking, always.
  • Channels are the output of a strategy, never the input.
  • You should finish onboarding holding documents, not just a media schedule.
  • 30 days confirms the foundations. 60 days produces decisions. 90 days produces a strategic review.
  • Resist judging performance too early and expect to hear from your agency constantly while you wait.

FAQs

How long should onboarding take with a new media agency?

Typically, two to four weeks before media is booked, depending on how much existing data and research you can hand over. Rushing it usually costs more later than the delay saves.

Is it reasonable to expect results in the first month?

You should expect confirmation that the foundations are right, not proof the campaign is working. Meaningful performance patterns generally need at least 60 days, and longer in considered purchase categories.

What's next?

If you can relate to any of the points raised in this article, we're always happy to have a chat - no obligation and no hard sell, we promise.
And while you're here, why not try out our Media Investment Calculator to assess if your budget is working hard enough.
Article written by:
David Ross
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