Viktor

Summary active Updated May 20, 2026

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Location Rotterdam, Netherlands
Founded 2025
Latest Stage Series A
Total Raised €64.7M
Website https://viktor.ai/
Sector
ai enterprise-software saas productivity collaboration

Investors

Stewart Butterfield series-a (2026)
Cal Henderson series-a (2026)
Guillermo Rauch series-a (2026)
Accel series-a (2026)

About

Viktor is a Rotterdam-based AI startup building an AI coworker that lives inside Slack and Microsoft Teams, founded by former Meta engineers 12. The company launched publicly in February 2026 and within 10 weeks reached a €12.9 million revenue run rate, with usage across more than 2,000 organisations globally 13. On May 19, 2026, Viktor announced a €64.7 million Series A led by Accel, with participation from Bek Ventures, Kaya VC, Inovo VC, and Tenacity Capital, plus angels including Slack co-founders Stewart Butterfield and Cal Henderson, Vercel CEO Guillermo Rauch, Synthesia CEO Victor Riparbelli, Framer co-founders Koen Bok and Jorn van Dijk, Deel CEO Alex Bouaziz, Lenny Rachitsky, Harry Stebbings, and executives from DeepMind, Figma, and Lovable 1234.

Funding History

Date Round Amount Lead Co-investors
2026-05-19 Series A €64.7M Accel Bek Ventures, Kaya VC, Inovo VC, Tenacity Capital, Stewart Butterfield, Cal Henderson, Guillermo Rauch, Victor Riparbelli, Koen Bok, Jorn van Dijk, Alex Bouaziz, Lenny Rachitsky, Harry Stebbings 1234

What Investors Say

No independently sourced investor quotes found at this time.

What Founders Say

No independently sourced founder quotes found at this time.

Sources

  1. Fortune, “Exclusive: AI startup Viktor raises $75 million to put a virtual ‘coworker’ in Slack and Teams,” May 19, 2026. Accessed May 2026. https://fortune.com/2026/05/19/viktor-ai-startup-raises-75-million-for-virtual-coworker-exclusive/↩↩↩↩

  2. Finsmes, “Viktor Raises $75M Series A Funding,” May 2026. Accessed May 2026. https://www.finsmes.com/2026/05/viktor-raises-75m-series-a-funding.html↩↩↩

  3. TechFundingNews, “Former Meta engineers secure $75M for Viktor, an AI co-worker built for Slack and Teams,” May 2026. Accessed May 2026. https://techfundingnews.com/former-meta-engineers-secure-75m-for-viktor-an-ai-co-worker-built-for-slack-and-teams/↩↩↩

  4. Wilson Sonsini, “Firm Advises Viktor on $75 Million Series A,” May 2026. Accessed May 2026. https://www.wsgr.com/en/insights/firm-advises-viktor-on-dollar75-million-series-a.html↩↩