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§ Private Profile · Boston, MA, USA
Cloud-based Creative Automation platform for brands, agencies, and media owners to produce and optimize digital ad creatives with AI at scale.
Celtra is a New York-based software company that provides a cloud-based creative automation platform for designing, producing, activating, and optimizing digital advertising campaigns at scale. Operating on a subscription and usage-based software-as-a-service model, the enterprise supports over 400 global clients and facilitates the delivery of more than 119 million digital ad impressions annually. The platform integrates artificial intelligence to streamline the creative lifecycle for major global consumer brands, media owners, and advertising agencies, securing contracts with recognizable enterprise customers such as Unilever, adidas, Spotify, and WarnerMedia. Backed by a majority stake acquisition from private equity firm STG Partners in 2021, the remote-first organization currently maintains a workforce of over 200 employees operating across regional hubs in the United States, Singapore, and Slovenia. Celtra was founded in 2006 by Miha Mikek, Maja Mikek, and Matevž Klanjšek.
Celtra has raised $40.2M across 5 funding rounds.
Celtra has raised $40.2M in total across 5 funding rounds.
Celtra has raised $40.2M across 5 funding rounds. Most recently, it raised $15.0M Other Equity in June 2017.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Jun 21, 2017 | $15M Venture Round | Keith Weed, Martin Sorrell | — | Announced |
| Jun 1, 2017 | $15M Series C | Unilever Ventures, WPP | Cambridge Innovation Capital | Announced |
| Jan 1, 2013 | $4M Series B | RON Fisher | Bedrock Venture Partners, Glasswing Ventures, Imagination Capital, Lerer Hippeau, Redpoint Ventures, JIM Pallotta, Fairhaven Capital, Grandbanks Capital | Announced |
| Jan 1, 2011 | $5M Series A | Fairhaven Capital, Grandbanks Capital | Glasswing Ventures | Announced |
| May 27, 2009 | $1.2M Series A | RSG Capital | — | Announced |
Celtra has raised $40.2M in total across 5 funding rounds.
Celtra's investors include Keith Weed, Martin Sorrell, Unilever Ventures, WPP, Cambridge Innovation Capital, Ron Fisher, Bedrock Venture Partners, Glasswing Ventures, Imagination Capital, Lerer Hippeau, Redpoint Ventures, Jim Pallotta.
Celtra is a creative technology company that builds an AI-powered, cloud-based platform for creative automation in digital advertising. It enables marketers, media platforms, agencies, and brands to produce, manage, deliver, and optimize high-impact ad creatives at scale, streamlining workflows, ensuring brand consistency, and boosting campaign performance across channels like display, video, and native ads[1][2][3][4][5][6]. Serving over 450 enterprise customers including Unilever, Nike, and Lyft, Celtra powers 17 million+ ads annually and 119 billion+ impressions, addressing pain points like manual production delays, ad fatigue, and scaling personalized content while driving 2x performance gains and 10x efficiency[2][4][6].
Celtra was founded in 2006 by Miha Mikek, a Slovenian entrepreneur who started the company while completing graduate studies at Babson College, with key support from co-founders like Maja Mikek (CFO), Uroš Cvetko (COO), and others bringing expertise in tech, sales, marketing, and legal[1][2]. It began with *FunkyCall*, evolved into the *Celtra Marketing Platform* for mobile campaign management, then *AdCreator* which established it as a leader in mobile rich media ads serving over 400 global clients by 2011-2016[2]. Pivotal moments include launching its pioneering *Creative Automation* platform, securing venture capital, and a majority stake acquisition by STG Partners, fueling AI integration in its second-generation platform under Miha's ongoing leadership[2].
Celtra excels in adtech through these key strengths:
Celtra rides the wave of AI-driven adtech and creative automation, capitalizing on digital advertising's shift toward hyper-personalization, omnichannel scale, and data-optimized creatives amid rising ad complexity and fatigue[3][6]. Timing aligns with martech/adtech convergence, where manual processes fail at enterprise volumes, and AI enables 10x efficiency—perfect for a market projected to grow as impressions hit billions annually[2][4]. It influences the ecosystem by partnering with giants like Unilever as their global Creative Automation provider, empowering agencies/media platforms to bridge creative-media gaps, reduce costs, and elevate ROI, thus setting standards for scalable, high-quality digital storytelling[4][6].
Celtra is poised to dominate as AI deepens in ad production, with expansions in ecommerce catalog ads, real-time optimization, and deeper integrations amplifying its edge. Trends like programmatic media evolution and privacy-first targeting will favor its performance-centric platform, potentially growing its 450+ customer base amid demand for automated, insightful creatives. Its influence may evolve toward full-funnel ad orchestration, solidifying Celtra as the go-to for brands scaling ideas into results—just as it transformed mobile rich media into a global powerhouse[2][3][6].