Blockthrough
Technology, Information and InternetOntario, Canada11-50 Employees
Blockthrough, based in Toronto, Ontario, provides monetization solutions for publishers by delivering lighter ads to about 350 million ad-filtering users. Its platform analyzes ad creatives to ensure compliance with the Acceptable Ads Standard, allowing this audience to be monetized without compromising user choice. The company counts well-known publishers and brands among its customers and powers more than 13,000 sites worldwide, handling over 4.5 billion pageviews each month. Operating in the technology, information and internet sector, Blockthrough integrates its monetization capabilities into publishers' existing ad stacks. The Toronto-based firm maintains a small to mid-sized team. In April 2025, Refinery89 B.V. announced a partnership with Blockthrough to incorporate its technology into Refinery89's publisher network.
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