# Crux

> Marketplace and infrastructure for transferable clean-energy tax credits.

## Why it is interesting

IRA-era tax-credit liquidity layer — a16z led A; Lowercarbon led oversubscribed B.

## Profile

- **Stage:** other
- **Status:** private
- **Industries:** enterprise-saas
- **Coverage:** full
- **Last updated:** 2026-07-24

## Key facts

- Series B (2025): $50M led by Lowercarbon Capital; a16z participated (Crux blog)
- Series A (2024): $18.2M led by a16z (Crux press)
- Co-investors: Lowercarbon Capital (lead B), Ardent Venture Partners not in VCT directory
- VCT directory co-investors: none mapped (non-directory syndicates noted above); reviewed 2026-07-24

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz

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Source: https://venturecapitaltracker.com/startup/crux