What happened
SoLabo and Venture Support Tax Accountant Corporation received the Excellence Award at Google Cloud Japan's 6th AI Agent Case Awards for TaxSys, deployed across all 1,700 staff, cutting per-company processing time from 90 minutes to 10.
Why it matters
The award recognizes a full-company production deployment of an AI agent that self-grades its work and asks humans only for uncertain items, suggesting the tool is ready for firm-wide use rather than limited trials.
WHO IT HITSTax accountants and accounting firm staff using TaxSys may see routine bookkeeping automated, freeing time for advisory work, while other tax firms considering AI adoption gain a large-scale reference case.
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The award was presented at the Agentic AI Summit '26 Fall pitch contest on October 29, 2026, where Venture Support's CHRO Takafumi Gomi and SoLabo CEO Koichi Tahara jointly presented under the theme of an AI bookkeeping agent that asks humans for confirmation. The recognition focused on production scale and technical innovation: TaxSys operates as a full-company business infrastructure, not a limited proof-of-concept, and its self-evaluation function lets the AI score its own output confidence and escalate only uncertain cases to people.
TaxSys handles 300,000 vouchers and about 1.5 million journal entries per month, reducing processing time per company from 90 minutes to 10 and saving 16,800 hours monthly, equivalent to about 100 people, or 19.5 million yen per month in cost reduction. Gomi said the freed time will be redirected to facing management clients, and Tahara noted that small firms using the same system have called it 'magic.' Looking ahead, both organizations plan to enhance TaxSys features and use accumulated data to support more advanced management decisions, with the goal of reaching Japan's roughly 30,000 tax accountant offices.
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