421 Group is a California consultancy that offers strategic business development
and operational support services to help cannabis businesses succeed.


From day one, 421 Group worked hard for us. They supported us at every step of the way: from permit application to initial approval, from surprise appeal to ultimate victory.

Brandon Levine
Executive Director, Mercy Wellness of Cotati, Compliance Director, Fleuron Inc.

For several years now, Left Coast Wholesale has worked with 421 Group on critical ongoing and one-off business initiatives. The HR Support has been exceptional.

Khanhvi Dang
Founder and CEO, Left Coast Wholesale

They’ve helped us secure operating permits and build the structural backbone of a community-relations department equipped to support our team.

Erich Pearson
Founder and President, SPARC

421 Group showed me how to build a business around my concept, supporting everything from product development to financial planning.

Alex Schroeder
Founder, Tetracert