Celtra is a Slovenian adtech company focused on creative automation for digital marketing teams. Its software helps global brands and agencies produce, adapt, and distribute large volumes of campaign assets across formats, channels, languages, and audience variants without forcing design teams to recreate each asset manually.
That capability matters because modern digital advertising requires massive variation in size, copy, locale, and targeting logic, and manual production quickly becomes a bottleneck. Celtra therefore sits in a high-value operational layer between creative strategy and campaign execution, helping marketing teams scale output while preserving consistency. In the European startup ecosystem, it is a strong example of B2B software built around workflow automation for brand and media teams rather than around direct media buying.
It also connects naturally to localization and consumer-growth companies already in the directory, since multi-market campaigns depend heavily on structured creative production at scale.
Ljubljana, Slovenia
Startup
Growth
/slovenia/startup/celtra
No investors have been linked yet.
Poland's first MarTech-focused accelerator by KnowledgeHub and GroupM, focusing on AI in marketing, adtech, and influencer platforms. The program offers workshops, mentoring, pilot client access, and sales support.
Checking login status...
Loading comments...