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High Tech Seed Founded 2020

Co-one

AI-based data annotation platform provider. Its crowdsourced platform is gamification supported and allows users to tag images, videos, and text for AI applications. Its features include segmentation, bounding boxes, frame annotation, object tracking, text classifications, and other tools. Founded in 2020, headquartered in Tallinn, Estonia. The company has raised $5.7M in funding at the seed stage. The team…

📍 Tallinn, Estonia · AI Infrastructure,

Funding snapshot

Last roundSeed
Amount$1M
Date12 May 2025
Total raised$6M
Valuation4,560,000 (Jan 24, 2023)
Team size14

About

AI-based data annotation platform provider. Its crowdsourced platform is gamification supported and allows users to tag images, videos, and text for AI applications. Its features include segmentation, bounding boxes, frame annotation, object tracking, text classifications, and other tools. Founded in 2020, headquartered in Tallinn, Estonia. The company has raised $5.7M in funding at the seed stage. The team comprises 14 (Jun 30, 2026) employees. The company operates in the AI Infrastructure sector with additional focus on AI Infrastructure and Artificial Intelligence. Its business model centers on Training Data. Founded in 2020, headquartered in Tallinn, Estonia. The company has raised $5.7M at the Seed stage. Backed by investors including TechOne Venture Capital, Lima Ventures, DOMiNO Ventures, LEAP Investment, Maxis and others.

Business model

AI Infrastructure > Enabling Technologies > Software > Training Data

Founders & team highlights

Serial Founder

Institutional investors

TechOne Venture Capital Lima Ventures DOMiNO Ventures LEAP Investment Maxis Türk Telekom Ventures Emrah Gultekin

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