Tartis d.o.o. is a results-driven call center delivering high-performance outbound and inbound phone sales. Currently specializing in telecom — and built to scale across any sector.
What We Do
From outbound lead conversion to full telecom distribution — our trained agents deliver measurable results over the phone.
Our trained agents proactively reach potential customers, present offers clearly, and close deals — consistently and at scale across telecom and beyond.
End-to-end sales funnel management over the phone — from first contact and qualification all the way through to a confirmed sale.
We operate our own lead generation system to capture interest from potential clients before the first call is even made — giving our agents a warmer, higher-converting pipeline.
Why Tartis
We combine rigorous agent training, proven sales scripts, and a performance culture to consistently exceed targets.
A decade of hands-on experience in call center operations and outbound sales.
Thousands of successfully closed sales across multiple campaigns.
Optimized scripts and trained agents keep our conversion rates above industry average.
Flexible infrastructure ready to onboard new campaigns and verticals quickly.
Join Our Team
We're looking for motivated, communicative people ready to grow with us in a dynamic phone sales environment.
Get In Touch
Have a question or want to learn more about our services? Reach out — we're happy to help.
Varaždin, Croatia
Mon–Fri:
8:00 – 18:00