Growth Marketing Built Around Data.
MASS DATA is a performance marketing, tracking and analytics company helping brands and agencies build measurable growth systems powered by cleaner data, stronger attribution and transparent reporting.
Data First. Growth Second.
At MASS DATA, we believe every successful marketing decision starts with reliable data. Before increasing budgets, launching campaigns or scaling acquisition, businesses need to understand what is actually driving results.
Since 2007, our team has worked on digital projects across multiple industries, helping companies improve tracking, reporting, attribution and marketing performance. From local businesses to international brands generating thousands of transactions per day, our focus has remained the same: turning data into better business decisions.
Today we combine performance marketing, analytics, server-side tracking, reporting and automation into a unified growth system that helps organizations scale with confidence.
What We Believe
MASS DATA was built around one principle: growth becomes easier when marketing, tracking and reporting work together.
Data Over Assumptions
We do not make decisions based on opinions alone. We build systems that help businesses understand what is actually working.
Tracking Before Scaling
Before increasing ad spend, we make sure conversions, events, attribution and reporting are configured correctly.
Performance With Clarity
Growth marketing should be measurable, transparent and connected to business outcomes — not hidden inside platform dashboards.
Long-Term Partnerships
We work best with clients and agencies that want a reliable technical and marketing partner, not just another service provider.
Meet Our Team
MASS DATA is led by people who combine operational execution, marketing strategy and data-driven thinking.
Jaka Zupančič
With nearly two decades of experience in digital marketing, analytics and tracking, Jaka helps businesses build scalable growth systems powered by accurate data, reliable attribution and performance-focused marketing strategies.
Katja Škrabec
Katja oversees project delivery, operations and client communication, ensuring every project moves efficiently from strategy to execution while maintaining the quality standards clients expect from MASS DATA.
Ready To Become Data-Driven?
Whether you need better tracking, stronger paid media performance, clearer reporting or a white-label fulfillment partner, MASS DATA can help you build a marketing system you can measure, trust and scale.