Japan · 
Who invested in Reject?
Reject's investors include Mitsubishi UFJ Capital, East Ventures, Mizuho Corporate Bank, Z Venture Capital and JAFCO.
Japan · Venture startup
Who invested in Reject
Funding summaryUpdated 26 Oct 2026
Undisclosedraised across 1 round since 2025, from 1 source
- Latest round
- VentureDec 2025
- Investors
- 5
The rounds
- Dec 2025VentureAmount undisclosed
Source recorded
Everyone who backed them
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Quick answers about Reject
How much has Reject raised?
Reject has raised 1 round since 2025, none with a disclosed amount.
When did Reject last raise?
Reject's most recent round was a Venture in Dec 2025.
Who backed Reject first?
Reject's first round on record, in Dec 2025, was backed by Mitsubishi UFJ Capital, East Ventures and Mizuho Corporate Bank and 2 others.
What stage is Reject at?
Reject's latest named round is a Venture, in Dec 2025.
Where is Reject based?
Reject is based in Japan.
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