Representing large companies, small businesses and individuals.

Law Office of Michael O'Brien, LLC is a business law firm serving clients throughout Arizona in a variety of industries.

Corporate Law

Large Companies

Publicly Held & Privately Owned Companies

Small Business Legal Council

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New Ventures to Well Established Businesses, and Everything in Between

Individual Business Legal Council

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Personal Needs or Starting a Business for the First Time


Advice is only as good as its reliability; you can count on our counsel.



Your business comes first to you, so it comes first to us.  We pride ourselves in understanding your business, and providing you with advice that keeps you moving in the right direction.



We will always work with you to ensure you get the best value for your legal dollars.


Schedule a FREE consultation below.