Defiant

Activity from announced rounds

Activity in this selectionEurope

Defiant is a B2B software and fintech venture manager whose official portfolio identifies Rivia, Zero and Blitzy.

Recorded funding activity

Zero develops customer-management software for startup revenue teams. Blitzy applies autonomous agents to enterprise software development, while Rivia connects fragmented clinical-trial data. These company records identify this manager separately from Defiance Ventures and unrelated namesakes.

Sources
Rounds participated in
2
Confirmed lead rounds
0
1 roles undisclosed
New companies
2
First participation on record · 0 follow-on
Funding in participating rounds
$25.3M
2 disclosed · full round size, not this investor’s share

By stage

Seed1
Series A1

By primary sector

Enterprise software1
Healthtech1

By country

Finland1
Switzerland1

Rounds

2 in this selection
Zero

Zero is an AI-native customer relationship platform that helps startup revenue teams find leads, manage deals and grow accounts.

$10.3MSeed
Participant
Rivia

Builds a data engine for clinical trial intelligence to unify fragmented data and enable AI-driven insights

$15MSeries A
Role not disclosed