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Introducing our law firm

Giammarco Law Office

Established in 1983, Giammarco Law Office, PLLC is committed to the personalized and high-quality representation of its clients, ranging from corporations and small businesses to individuals. Our firm’s extensive trial experience, unique connections and exceptional legal talent allow us to effectively represent our clients in today’s ever-changing and complex world. Our mission is to listen to our clients, understand their objectives and tailor a legal strategy that exceeds those objectives.

Our Practice Areas


Business Formation

  • Formation of LLCs, PLLCs, corporations, partnerships and other entities

  • Drafting and review of operating, partnership and ownership agreements, including bylaws and minutes

  • Formation of nonprofit corporations, including preparation of bylaws and submission of Form 1023 to the IRS

  • Trademarks and trade names


Civil and Business Litigation

  • Contract, business and employment disputes

  • Drafting and review of all types of contracts, including employment, real estate, independent contractor, purchase, consulting, non-disclosure, master service, non-competition/non-solicitation and settlement agreements

  • Merchant and bankcard services, including preparation and review of agent/MSP, ISO, merchant, reseller and portfolio purchase agreements

  • Real estate law​

  • Debt collection

  • Injunctions against harassment

  • Tax lien foreclosures


Estate Planning

  • Probate actions - informal and formal

  • Preparation of Trusts, Wills, Living Wills, Pourover Wills and Powers of Attorney (financial/durable, health care and mental health care)

  • Trust administration 

  • Estate planning advice


Personal Injury

  • Auto accidents

  • Slip and falls

Estate Planning 


Zachary D. Giammarco, Esq.

After completing law school with cum laude  honors in just two years, Zach joined Giammarco Law Office, PLLC in 2006. As a trial attorney, Zach practices in a variety of areas, including business, contracts, personal injury, probate, estate planning and employment, all of which has garnered him extensive litigation experience in Arizona’s city, state, federal and appellate courts. 
Born and raised in Arizona, Zach enjoys almost anything outdoors, whether that be cycling, running hiking or snowboarding.  Zach currently lives in Chandler with his wife and their three young children. 

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Estate Planning 

There Is No Lawyer More Eloquent Than the Heart.

Sylvain Maréchal (1788)

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