
Stellar
Stellar Tech is a European influencer marketing platform headquartered in Brussels, with offices in Paris, Copenhagen, Erfurt, and Haarlem. Founded by Cathy Pill and Sarah Levin Weinberg, the company serves clients in 43+ countries through its core platform Stellar (analytics) and the Creatorz marketplace for nano and micro-influencers. The platform combines a 50 million+ influencer search engine, social listening for Instagram and TikTok, competitor benchmarking, AI-powered brand safety checks, lookalike creator discovery, predictive budget and ROI forecasting, automated content monitoring across Instagram, TikTok, YouTube, Facebook, and Snapchat, and Smart Listening 360 for AI-driven sentiment and trend analysis. Stellar Tech expanded its footprint by acquiring Influo (rebranded as Creatorz, 2024), IROIN (Germany, 2025), and Join (Netherlands, 2025). Customers include LVMH, Nestle, Disney, Spotify, Porsche, Heineken, Nintendo, L'Oreal Professionnel, Mondelez, Colgate, La Redoute, DIM, Coty, and National Geographic.

Stellar
Find and vet influencers across 43 countries
Stellar Tech is a European influencer marketing platform headquartered in Brussels, with offices in Paris, Copenhagen, Erfurt, and Haarlem. Founded by Cathy Pill and Sarah Levin Weinberg, the company serves clients in 43+ countries through its core platform Stellar (analytics) and the Creatorz marketplace for nano and micro-influencers. The platform combines a 50 million+ influencer search engine, social listening for Instagram and TikTok, competitor benchmarking, AI-powered brand safety checks, lookalike creator discovery, predictive budget and ROI forecasting, automated content monitoring across Instagram, TikTok, YouTube, Facebook, and Snapchat, and Smart Listening 360 for AI-driven sentiment and trend analysis. Stellar Tech expanded its footprint by acquiring Influo (rebranded as Creatorz, 2024), IROIN (Germany, 2025), and Join (Netherlands, 2025). Customers include LVMH, Nestle, Disney, Spotify, Porsche, Heineken, Nintendo, L'Oreal Professionnel, Mondelez, Colgate, La Redoute, DIM, Coty, and National Geographic.
Capabilities
Influencer Search Engine
Social Listening (Instagram & TikTok)
Smart Listening 360
Competitors Benchmarking
Influencer Chrome Extension
Influencer & Audience Analytics
Audience Demographics & Authenticity Analysis
Fake Follower & Engagement Detection
Disclosed Partnerships History
Lookalike Creators
AI-Powered Brand Safety Check
Project Module (briefings, calendars, product shipping)
Tracking Links & Promo Codes (Shopify, WooCommerce)
Sales Tracking
Budget, Results & ROI Forecast
Posts, Stories & Video Monitoring
Multi-Network Content Tracking (Instagram, TikTok, YouTube, Facebook, Snapchat)
EMV, ROI & Cost Efficiency Dashboard
Sentiment & Comment Analysis
PDF, PPT & Excel Reports
Multiple Brand Accounts
Creatorz Marketplace (nano and micro-influencers)
Supported networks
TikTok
YouTube
Snapchat
Customer stories

Signature Beauty
Signature Beauty drove 1.02M reach, 74% engagement rate
167.9K
Reach
74%
Credibility Score
1.02M
Accumulated Audience
18
Influencers Activated
10%
Influencer Subscribers

tök communications
tök communications activated 364k reach for Le Central
364k
Reach
9.4k
Engagement

oSérieux!
oSérieux grew OneBlade TikTok to 65,000 followers
50,000
Reach
65,000
Video Views
16
TikTokers Activated

La Redoute
La Redoute unified teams, gained 726k impressions
14%
ROI
39M
Reach
100,000
Clicks
726,000
Engagements
80
Influencers Activated
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