Zeo designs and operates measurement systems that connect business decisions to governed collection, trustworthy data, useful reporting, and bounded analysis. Start with the owner that matches your decision and system boundary.

Some of the 500+ brands we've worked with

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Some teams need their KPI definitions settled first; others need collection, reporting, or attribution fixed. These eight areas cover the whole measurement lifecycle, and each one hands its work to the next with a defined boundary.

Measurement starts by deciding what matters, continues through controlled collection and data foundations, and ends in decision systems with explicit limits. Each owner has a defined handoff to the next.

KPI definitions belong to Strategy, browser tags to GTM, server endpoints to Server-Side, transformations to Engineering, reporting interfaces to Dashboards, channel contribution to Marketing, and in-product behavior to Product.

Every published task has a distinct decision, method, deliverable, acceptance test, worked example, limitation, and bilingual owner.

We use AI agents for bounded inspection, comparison, and documentation. Named specialists reproduce material findings. Client owners approve meaning, privacy choices, and release. We do not publish capability-gated services until their owner and proof gates pass.

Each stage leaves the next owner a clear output they can build on.

Decide
Define decisions, KPIs, event contracts, ownership, and quality gates.
Collect
Configure GA4 and browser-side GTM against the approved contract.
Connect
Operate first-party collection and durable transformations with lineage.
Understand
Build trusted reporting, customer analysis, and bounded measurement models.
Act and learn
Authorize decisions, monitor controls, record outcomes, and update the contract.

A client describing the planning and reporting problems we started from.

Before working with Zeo, we had serious problems, especially with planning and measurement. Because we couldn't get complete measurements and reports, we struggled to evaluate our work. Evaluating the data correctly, in line with scientific rules, was the most important thing for us.

Dr. Kadir Kırmızı - General Manager

Engagements where the reporting had to hold up before the result meant anything.

Millenicom97% Increase in Organic Traffic Leads to New Customers!Read the story

Star AkımPaid Search Revenue: +144%, Paid Social Revenue: +154%Read the story

Vispera+39% New Users and +198% Increase in Impressions!Read the story

Zeo has worked with more than 500 brands since the agency started in 2011, across six practices. Below are the leads for the one this page belongs to.