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CASE Marketing Agency

GA4 migration, attribution you can trust

100% Data accuracy+45% Budget efficiency4 mo To results

The challenge

Element Three is a marketing agency, which made the problem sharper than usual: they could not confidently tell clients which channels were driving results. For an agency, that is not a reporting inconvenience, it is a credibility gap. Recommendations were resting on assumption, budget was spread on instinct, and the measurement stack could not answer the one question every client asks: what is actually working? The move to GA4 was the forcing moment. Migrate properly, or carry the same blind spots into a new tool.

The approach

We ran a full GA4 migration with proper event tracking. Not a lift-and-shift where old reports get recreated in a new interface, but tracking rebuilt around the actions that matter, set up correctly and then validated against real data before anyone was asked to trust it. On top of that we built custom attribution modelling, so channels were credited for what they genuinely contributed to conversions rather than whichever one happened to touch the sale last.

And because insight that lives in a spreadsheet nobody opens might as well not exist, we finished with automated reporting dashboards: the answers arriving on schedule, without anyone rebuilding exports by hand. Measurement work like this takes patience. Tracking has to be configured, checked and proven against reality, and we would rather take that time than hand over numbers with an asterisk attached.

The results

Within four months, Element Three had data the whole team could finally trust, and they acted on it. With attribution showing which channels deserved the spend, budget was reallocated toward what genuinely worked and pulled from what did not, improving budget efficiency by 45%. The deeper win is what that trust changed day to day: recommendations to clients became defensible, backed by numbers the agency could stand behind rather than caveat. For a business whose product is advice, that is the difference between guesswork and receipts.

For the record

The Second Floor delivered a full GA4 migration with custom attribution modelling and automated dashboards for Element Three, enabling budget reallocation that improved efficiency by 45%.

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Asked &
answered

What did The Second Floor deliver for Element Three?+
We delivered a full GA4 migration with proper event tracking, custom attribution modelling and automated reporting dashboards. This gave Element Three accurate, trusted data on which channels actually drove results. Acting on it, they reallocated budget and improved efficiency by 45%.
How did a GA4 migration improve budget efficiency by 45%?+
Budget efficiency improved by 45% because accurate attribution finally showed which channels deserved the spend. Before the migration, Element Three could not confidently tell clients what was driving results, so money was spread on assumption. Once GA4 was tracking events correctly and attribution was modelled, they shifted budget toward what worked and cut what did not.
Why does attribution modelling matter for a marketing agency?+
Attribution modelling matters because it tells you which channels genuinely contribute to conversions rather than just claiming last-click credit. For an agency like Element Three, that is the difference between defensible recommendations and guesswork in front of clients. Trusted attribution lets you reallocate budget with confidence and prove the value of your work.
How long did the GA4 and attribution work take?+
Element Three saw results within four months, including a full GA4 migration, custom attribution modelling and automated dashboards. Measurement work takes time because tracking has to be set up correctly and then validated against real data before you trust it. We send weekly updates throughout so progress is always visible.
Can The Second Floor set up GA4 and attribution for our business?+
Yes. GA4 and GTM setup, attribution, automated reporting and CRO are part of our Measurement pillar, and we work with startups, creative businesses and agencies. Engagements are scoped monthly with transparent pricing and no long-term contracts, and you can begin with a free 30-minute strategy call. We will make sure your data is accurate before anyone makes decisions on it.

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