About Marcus N Seiter

Estate Planning, Wills, Trusts, Powers of Attorney, and Peace of Mind - Contact Seiter Law for a free consultation!

About me: I am passionate about helping people formulate plans to reach their goals. Since 1999, I have been involved in that process with hundreds of clients as a professional in the financial services industry. In 2011, I enrolled at Arizona Summit Law School. It wasn’t always easy balancing family and school while maintaining a growing financial services company. But with the help of my wife and others, along with some divine intervention, I graduated with honors (summa cum laude) in 2014. The rest is history. Now I spend my time helping individuals and families create and maintain solid estate plans – truly an important work!

On a more personal note:

Before becoming an attorney, I grew up in Scottsdale, went to Horizon High School, and then joined the United States Marine Corps Reserves. Following my active duty training, I went on a 2 year mission for the Church of Jesus Christ of Latter-day Saints and later graduated from Arizona State University – go Sun Devils! Along the way I moved to Mesa where I met my sweetheart, Jennifer. We were married in 1999 and have since been blessed with 6 children (4 boys & 2 girls)! So when I’m not at work, I’m usually playing with my family, fixing up the house, or playing basketball.

I look forward to meeting you! – Sincerely, Marcus Seiter

 

Awards

Reviews for Marcus N Seiter

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Communication
5.0
Quality of Service
5.0
Responsiveness
5.0
Value for Money
5.0
Estate Planning
Posted by anonymous
January 17, 2026
Hired Attorney

I recently utilized the Seiter Law Firm of Tempe, Arizona to formulate and, later, amend my family trust. In doing so, I found Marcus Seiter to be an excellent attorney, who was both personal and professional in his attention to my needs and those of my family. I highly recommend him for estate planning and protection of family assets.

Estate Planning
Posted by anonymous
January 03, 2026
Hired Attorney

We had a wonderful experience working with Seiter Law, PLLC to create our family trust and will. From start to finish, the entire process was handled with care, clarity, and professionalism. Estate planning can feel overwhelming, but they were incredibly patient and took the time to explain every step in a way that was easy to understand. All of our questions were answered thoroughly, and we never felt rushed or pressured. Their attention to detail gave us real peace of mind knowing everything was done correctly and thoughtfully. What stood out most was how kind, responsive, and genuinely helpful they were throughout the process. It truly felt like they cared about our family and our future, not just the paperwork. We are so grateful for their guidance and would highly recommend Seiter Law, PLLC to anyone looking to set up a trust, will, or estate plan with confidence and ease.

 
Trusts and Estates
Posted by Laurence
November 22, 2025
Hired Attorney

Marcus explains everything in a manner that is very understandable to everyone involved and makes you feel that he is spending as much time that is needed to complete the task. We would and do recommend him to all we know. Thanks!

Trusts and Estates
Posted by Bruce
November 07, 2025
Hired Attorney

I highly recommend Marcus, very knowledgeable,experience, understand all the legal issues that made our Living Trust easy. Marcus is very competent in his work, answered all of our questions, very,very organized and detailed and focused on making our Living Trust Easy! Thank Marcus Seiter!!

Estate Planning
Posted by Rich
October 25, 2025
Hired Attorney

Marcus is outstanding in preparation, availability, and taking care of his clients. We’ve been fortunate to utilize Marcus for almost 6 years and he has always had our best interests in mind Highly recommend Seiter Law.

Living Wills
Posted by James
September 06, 2025
Hired Attorney

Always a good experience with Marcus. He is knowledgeable and very professional while still being friendly and helpful. I have relied on Marcus before and will continue to do so. His staff is friendly and very helpful.

Trusts and Estates
Posted by Kathleen
August 28, 2025
Hired Attorney

Marcus is very thorough and knowledgeable, with excellent follow-up. Great office staff. And patient!! I have worked with Marcus since 2017, both as a trustee and to keep our family trusts updated. Definite 5 star rating.

Estate Planning
Posted by David
August 13, 2025
Hired Attorney

Seiter Law We have been a client of Seiter Law for many years and never disappointed. We recently purchased a new home and needed to transfer the Title into our Trust. Marcus and team made the process completely transparent. All we did was show up to the appointment, sign, and new Title was mailed to our home. We love working with Seiter Law and highly recommend them to others.

 
Trusts and Estates
Posted by Esther
July 30, 2025
Hired Attorney

We would highly recommend Steiner Law for anyone needing help with setting up a trust. Marcus is incredibly thorough and transparent about costs and what to expect throughout the process. We especially appreciated the convenience of having everything handled right in his office—simple, efficient, and stress-free. Start with a consultation—you won’t be disappointed!

 
Trusts and Estates
Posted by Janet
July 22, 2025
Hired Attorney

My husband and I had the pleasure of meeting Marcus Seiter at Seiter Law. He was very pleasant and updated our trust. We had a lot of questions, and he was able to give us clear answers that we understood. He sent us a planning document before our appointment which helped a lot in getting our documents together for the appointment. We highly recommend Marcus for his services.

 

Services

Areas of Law

  • Trusts and Estates 2
    • Estate Planning
    • Powers of Attorney
  • Wills and Probate 1
    • Living Wills
  • Other 9
    • Estate Planning for Parents of Handicapped Children
    • Estate Planning for Unmarried Couples
    • Estate Planning for the Elderly
    • Family Trusts
    • Living Trusts
    • Pet Trusts
    • Trust Planning
    • Wills
    • Healthcare Powers of Attorney

Practice Details

Experience

  • Bar Admission & Memberships
    Admissions
    2015, Arizona
    Memberships
    State Bar of Arizona
    American Bar Association (Member, Sections on: Real Property, Trust and Estate Law, Business Law)
    Maricopa County Bar Association
  • Education & Certifications
    Law School
    Arizona Summit Law School
    J.D.
    summa cum laude

    Arizona Summit Law School
    J.D.
    2014 Order of the Quill
    Other Education
    Arizona State University
    Class of 2010
    B.I.S.
  • Military Service
    Corporal, US Marine Corps Reserves, 1994-1997
  • Personal Details & History
    Hobbies & Interests
    Basketball, fitness, volunteering with the Boy Scouts of America, playing with my kids

Contact Marcus N Seiter

Member at Seiter Law, PLLC
5.0
246 reviews

960 W. Elliot Road, Suite 114Tempe, AZ 85284U.S.A.

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Office Hours:
  • Monday 08:00 AM - 05:00 PM
  • Tuesday 08:00 AM - 05:00 PM
  • Wednesday 08:00 AM - 05:00 PM
  • Thursday 08:00 AM - 05:00 PM
  • Friday 08:00 AM - 05:00 PM

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Attorneys FAQs

  • What year was this attorney first admitted to the bar?
    Marcus N Seiter was admitted in 2015 to the State of Arizona.
  • Is this attorney Martindale-Hubbell Peer Review rated?
    Yes, Marcus N Seiter has a 4.8 Peer Rating from Martindale-Hubbell.
  • Is this attorney Martindale-Hubbell Client Review rated?
    Yes, Marcus N Seiter has a 5.0 Client Rating from Martindale-Hubbell.
  • What law school did this attorney attend?
    Marcus N Seiter attended Arizona Summit Law School.
  • What year was this attorney's law firm established?
    Seiter Law, PLLC was established in 2015.