Flat Circle
Performance marketing agency scaling DTC ecommerce and subscription brands with paid media, creative strategy and email marketing.
- Headquarters
- Ljubljana, SI
- Employees
- 11–50
- Serves
- Europe, North America
About
Flat Circle is a performance advertising agency headquartered in Ljubljana, Slovenia, led by chief executive Rok Hladnik since 2019, with roughly 20 staff spread across the EU and the United States. It acts as a full-funnel paid media and retention partner for direct-to-consumer ecommerce and subscription brands, covering growth strategy, paid advertising on Meta, Google, TikTok, Snapchat and Reddit, creative strategy spanning UGC, static concepts and video direction, and email marketing flows and campaigns. The agency reports generating over $420M in client revenue in 2025.
Services
Works with
- E-commerce
Notable clients
- Bird Buddy
- Curateur
- Databox
- Dedoles
- FabFitFun
- HexClad
- PupBox
- Ridge
Client relationships are compiled from public sources, including the agency's own site, and are not independently verified.