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About Stellar Tech and Join

UGC and micro-influencer collaborations are booming. By combining Join with Creatorz, Stellar Tech creates the leading Benelux creator platform for authentic, scalable partnerships.

29 August 20252 min read

The creator economy’s next chapter

The creator economy is booming and rapidly evolving.

UGC creators nearly doubled in 2025, growing by 93% year-over-year (Popular Pays). In 2025, 15% of all social media collaborations were UGC campaigns (Whop).
The global UGC market stood at $4.45B in 2024 and is projected to reach $18.6B by 2031, with a 27% CAGR (The Shelf).
Brands are collaborating with 33% more micro-influencers year-over-year in 2025 (Statusphere).
Micro-influencers are now preferred 10x more than mega-influencers in campaigns (DemandSage).
In beauty, nano and micro creators outperformed larger influencers, driving higher ROI; some brands increased their micro-influencer spend by 20% in 2024 (Vogue Business).
By merging Join and Creatorz, Stellar Tech is creating a marketplace built for this next chapter: diverse, authentic, and scalable collaborations that meet the evolving needs of brands and creators alike.

About Stellar Tech:

Stellar Tech is a company founded by Cathy Pill and Sarah Levin Weinberg, specializing in influencer marketing and offering cutting-edge technological solutions to optimize collaborations between brands and content creators. Based in Brussels and Paris, Stellar Tech is recognized for its commitment to innovation and international market leadership.

Stellar Tech owns and develops advanced influencer marketing technologies. Stellar & IROIN®, together provide powerful influencer marketing solutions that deliver in-depth analytics, and Creatorz, now strengthened by Join, stands as the leading Benelux creator platform for nano-, micro- and UGC collaborations. The company’s mission is to democratize influence marketing by making it accessible to companies of all sizes and industries. With clients across 43 countries, including Nintendo, Aldi Süd, Dyson, Snipes, OTTO, BASF, Eurowings, and Air France, as well as agencies such as Ketchum, DOKYO, Social Match, Studio 71, OMD, MMBSY, Revolvr, and Bolt Influence, Stellar Tech continues to empower companies with innovative and scalable solutions.

About Join:

Founded by Paolo Martorino and Edwin Knip Join is a Dutch-based creator platform built to streamline authentic brand-creator collaborations. It empowers brands to find and manage creators with ease, while ensuring creators maintain control, transparency, and creative freedom. Join has been the go-to platform for hundreds of brands, connecting with ten thousands trusted talents, with a fast-growing international community of creators.