Your marketing budget is flying blind.
Without clean, complete first-party data, you’re optimizing campaigns based on partial information, attribution gaps, and third-party tracking that’s becoming more and more unreliable. You’re spending on channels you can’t actually measure, and making decisions on data you can’t trust.
We set up a complete first-party data foundation so you can see exactly what’s working, who’s converting, and where your margin is. No data loss. No guessing. Just decisions backed by data you own.
A correct data tracking setup is fundamental
A correct data tracking setup is fundamental for any data-driven strategy. Only with correct data tracking will you be able to trust your data, have actionable insights and make informed decisions.Data tracking is the process of collecting, identifying, and categorizing individual data points throughout the data pipeline so they can be used in data analysis. We take care of your tracking and data collection so you can focus on running your business.The main objective of our data tracking services is to assure your organisation has the highest possible quality data, which will best allow you to optimise how your digital marketing budgets are spent.
The foundation: GTM + serverside tagging
Every implementation starts here. Clean dataLayer. Bulletproof tag manager setup.
Serverside tagging to capture events before they disappear. This is where data quality is born.
Events, products, users, revenue organized at source so every tool downstream gets the same truth.
Centralized control. No code changes for new campaigns. Audit trail baked in. GDPR ready.
Your server, not browsers. Block-resistant, complete, and compliant. Adblockers don’t touch it.
Complete service toolkit
From dataLayer to GTM to serverside. We handle the architecture and the execution.
Your team learns alongside us. Build internal capability so you’re not vendor-locked.
Eliminate data loss, tracking anomalies, and duplicates. Continuous auditing baked in.
First-party tracking is inherently more compliant. We handle the legal architecture too.
Stop optimizing for conversions. Optimize for margin. Real-time monitoring and alerts.
Ongoing maintenance, KPI frameworks, quarterly reviews. Data quality compounds with us.
The edge case: first-party pixel
When you need complete ownership, no reliance on Google Tag Manager, no GA4 sampling, no API dependencies. Deploy a pixel directly to your cloud server. It captures every user interaction, matches them to your attribution model, and feeds clean conversion data back to your ad platforms and BI dashboard.
The result: pixel-perfect ROAS reporting, bid optimization on real data, and a single source of truth across all channels.
From adblocker bypassing, tracking parameter expansion, and serverside matching.
Why Relevant Online
We live in GTM and serverside tagging. We don’t just set it upwe architect it for your entire data ecosystem, fix the messy legacy stuff, and train your team to own it long-term.
First-party collection means your data stays yours. No dependency on third parties, no surprise API changes. Clean, compliant, and built on your infrastructure.
Complete attribution. Zero data loss. Real conversion tracking tied to profitnot just clicks. We recover lost revenue in the first month on most engagements.
15+ active clients. We don’t hand off and disappear. Continuous monitoring, proactive fixes, quarterly optimization cycles. Your data quality compounds over time.
Ready to own your data?
Let’s talk about your tracking stack, your blind spots, and how we fix them.
Wout Smelt
Managing Director
wout@relevantonline.eu
Phone: 085 747 0029
