top of page

Prime Roots

Americas

Berkeley

,

United States

Scaleup

FOUNDED

2017

HEADCOUNT

21-100

FUNDING

Series B

Keywords:

filamentous_fungi, mycelium, mycoprotein, fermentation, continuous_bioprocessing, alternative_proteins

BUSINESS

Prime Roots, founded in 2017 and based in Berkeley, California, produces koji mycelium-based deli meat alternatives using biomass fermentation of Aspergillus oryzae.

BIOTECH INVOLVEMENT

Biotechnology is central. Prime Roots grows Aspergillus oryzae (koji) mycelium via submerged fermentation on sugars.

TECHNOLOGY PLATFORM

fungal fermentation

PRIMARY PRODUCTS

Mycelium-based deli meats and proteins

© 2026 Apex Bio Consulting. All rights reserved.

bottom of page