TrollWall AI builds tools to detect and mitigate online hate and abusive content at scale. The company was co-founded by Tomáš Halász, Pavol Bujňák, and Filip Strycko. It counts high-profile customers such as former Slovak president Zuzana Čaputová, Czech president Petr Pavel, AC Sparta Praha, and O2 Slovakia. The startup recently raised €800K from Seed Starter Slovenskej sporiteľne, Slovak Investment Holding, and angel investor Miroslav Fedor. Public reporting around the raise frames the funding as early-stage capital but does not disclose valuation or detailed use of proceeds. No revenue, user metrics, or prior funding rounds were reported in the provided articles.

Total raised

$1M

Funding rounds

1

Latest round

Seed

Latest activity

Apr 2026