Former Meta engineers secure $75M for Viktor, an AI co-worker built for Slack and Teams — TFN

Viktor raised a $75M Series A led by Accel, with backing from Slack co-founders Stewart Butterfield and Cal Henderson, alongside executives from DeepMind, Figma, and ElevenLabs

Founded in 2023 by former Meta engineers Fryderyk Wiatrowski and Peter Albert, Viktor hit a $15M revenue run rate within just 10 weeks of launch

The platform works inside Slack and Microsoft Teams, connects with over 3,000 workplace tools, and is already used by more than 2,000 organisations globally

Workplace automation startup Viktor has raised $75 million in a Series A, the largest ever raised by a Polish-founded company. The round was led by Accel, with participation from Bek Ventures, Kaya VC, Inovo VC, and Tenacity Capital. Angel investors include Slack co-founders Stewart Butterfield and Cal Henderson, Synthesia CEO Victor Riparbelli, and executives from Google DeepMind, Figma, and ElevenLabs. The capital will support global expansion, product development, and broader enterprise adoption.

Founded in 2023 by Fryderyk Wiatrowski and Peter Albert and headquartered in Warsaw and Munich, Viktor launched publicly in February 2026 and is preparing to open a New York office. Since launch, the company has scaled to a $15 million annualised revenue run rate within 10 weeks and signed more than 2,000 organisations globally.