# Co-One

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/co-one

- Industry: Software
- Headquarters: Tallinn, Estonia
- Website: www.co-one.co
- Total disclosed funding: $5.9M
- Latest round: Seed (Jan 24, 2023)
- Investors on record: 6

## About

Based in Estonia and founded in 2021 by co-founders Ataberk Arman Kayhan, and Mert Menekse, Co One OÜ operates as a developer of an artificial intelligence and cloud-powered crowdsource-based data annotation and enrichment platform. In May 2025, Co-One raised EUR 1 million in pre-series A funding led by new investor Albaraka Portföy Yönetimi A.S. Returning investors Maxis, DOMiNO Ventures, TechOne Venture Capital, and LEAP Investment also participated in the round.

## Funding rounds

- Seed, Jan 24, 2023, $4.6M — TechOne Venture Capital, DOMiNO Ventures, Lima Ventures, LEAP Investment, Maxis
- Seed, May 24, 2021, $1.4M — TRAngels

## Investors

- TRAngels (https://capitalatlas.ai/funds/trangels) — Seed
- TechOne Venture Capital (https://capitalatlas.ai/funds/techone-venture-capital) — Seed
- DOMiNO Ventures (https://capitalatlas.ai/funds/domino-ventures) — Seed
- Lima Ventures (https://capitalatlas.ai/funds/lima-ventures) — Seed
- LEAP Investment (https://capitalatlas.ai/funds/leap-investment) — Seed
- Maxis (https://capitalatlas.ai/funds/maxis) — Seed