Jaka is fantastic to work with
Jaka is fantastic to work with. He solved the issues my site was having and notified me of other issues I had no idea about! He fixed those too. I highly recommend Mass Data.
15 May 2025
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Company details
Written by the company
MASS DATA d.o.o. is a white-label marketing agency specializing in performance-based digital advertising, SEO, data analytics, and web development. We empower agencies and businesses across Europe to scale profitably—without expanding their internal teams. As your silent partner, we operate under your brand, delivering Google Ads, Meta Ads, native advertising, SEO audits, website builds, and detailed analytics reporting. Our team integrates seamlessly into your workflows, enabling you to offer expert-level marketing services with zero overhead and full transparency. We’re trusted by marketing agencies, consultants, and brands who want to grow efficiently and keep their clients happy. Whether you need consistent campaign execution, technical SEO support, or complete backend data automation, MASS DATA delivers results that speak for themselves. With a data-first mindset and a focus on long-term collaboration, we provide fast communication, white-labeled reports, and proactive strategy suggestions. Your success is our mission—quietly, professionally, and reliably. 100% white-label services Conversion- and data-driven approach Google Ads, Meta Ads, SEO, Analytics, Web Learn more at www.mass-data.net
Contact info
Reber pri Škofljici 22A, 1291, Škofljica, Slovenia
- +38640325562
- hello@mass-data.si
- mass-data.net
Great marketing team with real results
I’ve been working with this marketing company for some time now, and the results have been excellent. They handle everything from managing ad accounts to writing effective copy and refining ad creatives. They take the time to test properly and use proven strategies that deliver real results.
13 May 2025
Great collaboration!
We collaborated with Mass-Data on Google Ads, SEO, and content strategy projects. The experience was excellent – top results, clear communication, and a professional approach from start to finish. We’re glad to be part of their journey and look forward to future projects.
— Adspot
8 May 2025
Unprompted review
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