Law was one of the most obvious early verticals for LLMs: expensive labor, lots of text, document-heavy workflows, and customers paying $000s per seat. GPT-4 (2023) was an inflection point for legal AI, & Harvey and Legora have shown how big that category can become. That inflection point took longer for accounting, looks like it happened around o3 (2025). AI has advanced enough now that accounting should be a great vertical for agents. The work seems particularly well-suited to AI: they use…