Venture Capital

Updated:

PROTO Ventures

PROTO Ventures is a venture capital based in Tokyo, founded 2019; the Altss profile covers its classification, headquarters, registration, AUM band, and key...

PROTO Ventures logo

PROTO Ventures

PROTO Ventures is the wholly-owned investment arm of PROTO Group in Japan.

General information

Firm type

Venture Capital

Year founded

2019

AUM

Undisclosed

Location

Region

Asia

Country

Japan

City

Tokyo

Corporate office

Tokyo, Japan

Frequently asked questions

What is PROTO Ventures?

PROTO Ventures is a venture capital headquartered in Tokyo, Japan.

When was PROTO Ventures founded?

PROTO Ventures was founded in 2019.

Where is PROTO Ventures headquartered?

PROTO Ventures is headquartered in Tokyo, Japan, in the Asia region.

What is PROTO Ventures's assets under management?

PROTO Ventures reports approximately Undisclosed in assets under management, as tracked by Altss.

What does Altss track for PROTO Ventures?

Altss maintains an OSINT-verified profile of PROTO Ventures covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), and network (associations and event participation). Detailed values are available to Altss subscribers.

What is PROTO Ventures's website?

PROTO Ventures's public website is www.proto-g.co.jp. Verified contact details for principals and decision-makers are available to Altss subscribers.

What type of firm is PROTO Ventures?

PROTO Ventures is classified by Altss as a Venture Capital, operating from Japan within the Asia region.

How does Altss source intelligence on PROTO Ventures?

Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.

When was PROTO Ventures's Altss profile last updated?

PROTO Ventures's profile on Altss was last refreshed on May 29, 2026. Continuous updates are applied as new public information is verified.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

Need institutional-grade insight on venture capital firms?

Altss delivers:

Principals with verified direct contactsAllocation history by asset classOSINT-derived deal signals
Book a demo

Prefer a guided tour?

We’ll walk you through:

Interactive funding timelinesCustom mandate & allocation filters
Book a demo

Browse by category

More Tokyo Venture Capital profiles