APTO (株式会社APTO) is a Tokyo-based AI development support company specializing in data collection, annotation, and dataset creation for machine learning. Its harBest platform delivers high-quality multimodal training data (image, video, 3D/LiDAR, audio, NLP) and supports LLM, RLHF, RAG, and AI agent development for enterprises and research institutions. It has worked on large projects with RIKEN, Ricoh, Panasonic, and Fujitsu.
Apto Payments has been acquired
This company is no longer available on our private secondary market.
Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Founded
2020
Employees
30
Total Funding
$21.6M
3 rounds
Total raised $21.6M across 3 rounds
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Last updated 06-25-2026
Latest Round
Type
Series A
Date
April 12, 2022
Amount
$21.6M
Valuation
—
Lead Investors
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| April 12, 2022 | Series A | $21.6M | — | Not disclosed |
| 2017 | Venture round | Not disclosed | — | Not disclosed |
| 2014 | Seed | Not disclosed | — | Not disclosed |
Ryo Takashina
Representative Director / CEO (代表取締役 高品 良)
Competitor list is illustrative and may be incomplete, stale, or erroneous.
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