Gregory C Sinning

Gregory C Sinning

also known as Greg

5.0
Rating: 7.1

Licensed for 5 years

Family Lawyer at Phoenix, AZ
Practice Areas: Family

40 N Central Ave Ste 2300, Phoenix, AZ

About Gregory

Biography

Practice Areas

1

Practice Area

Fees and Rates

Cost

Free Consultation

$0 first 30 minutes

Retainer

Always


Payment Methods

  • Cash
  • Check
  • Credit Card

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Licenses

Licensed in Arizona for 5 years

State: Arizona

Acquired: 2020

Active

No misconduct found

Location

DM Cantor

40 N Central Ave Ste 2300, Phoenix, AZ, 85004

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Gregory C Sinning's Reviews

Avvo Review Score

5.0 /5.0

10 Client Reviews

5 star (10)
4 star (0)
3 star (0)
2 star (0)
1 star (0)

Posted by anonymous | August 16, 2025 | Hired Attorney

This review is from a person who hired this attorney.

Attorney experience

Great experience so far. Gregory follows up promptly, addresses all issues at hand, and is an impressive attorney in the court room. We have been able to accomplish all of our desired tasks. I would highly recommend consulting Gregory and or his paralegal Cierra for any family law issues. Thank you....

Posted by anonymous | September 26, 2024 | Hired Attorney

This review is from a person who hired this attorney.

Thank you Greg!

I cannot recommend Greg and Cierra highly enough for their exceptional support during my custody case. From our first consultation, I felt understood and supported. They took the time to listen to my concerns and clearly explained the legal process, which helped alleviate much of my anxiety. Greg’...s expertise in family law is evident; he provided insightful strategies and was always prepared for each step of the process. Cierra was equally amazing, offering compassionate support and ensuring I felt comfortable throughout our interactions. Their teamwork made a world of difference, and I felt like I had a solid support system in my corner. The communication was excellent; they were always quick to respond to my questions, keeping me informed and engaged. Thanks to their hard work and dedication, I achieved a custody arrangement that I believe is in the best interest of my child. If you are looking for a family law firm that genuinely cares about their clients and fights for their best interests, look no further than Greg and Cierra. They turned a challenging situation into a manageable one, and I’m incredibly grateful for their help.

Posted by Donna Crocker | August 10, 2024 | Hired Attorney

This review is from a person who hired this attorney.

Thank you

Grandparents can get rights and I did. I thank Greg Sinning and staff for all your help.

Posted by Janelle | May 21, 2024 | Hired Attorney

This review is from a person who hired this attorney.

Highly Recommend!

I would highly recommend Greg Sinning and Cierra for any family law matter. They made the process simple and as stress free as possible. Greg is an extremely knowledgeable attorney and truly great to work with! Thank you both for your hard work.

Posted by Nicole M | August 23, 2023 | Hired Attorney

This review is from a person who hired this attorney.

Gregory made a tough circumstance easy

Gregory Sinning and the amazing Paralegal team supported me during a tough child custody case. They are responsive and worked hard to protect my child and we recieved a postive outcome. I knew what was happening every step of the way and all my questions were answered. No one wants to fight for custo...dy of their children but I would recommend Gregory and his team if the need arises.

See All Client Reviews

Gregory C Sinning's Lawyer Endorsements

Endorse Gregory
Connor William Moore headshot
Connor Moore

Unknown lawyer | Jan 24

Relationship: Co-worker

"Greg is a great advocate for his clients as proven by his results and his reputation within the legal community. I highly recommend Greg as an attorney and litigator."

Kyle Stephenson headshot
Kyle Stephenson

Family lawyer | Aug 28

Relationship: Co-worker

"A highly dedicated and sharp-minded attorney, Greg consistently provides exceptional legal analysis and strategic counsel for our team."

Rebekah Jennifer Burz headshot
Rebekah Burz

Family lawyer | May 19

Relationship: Co-worker

"Greg is a formidable advocate who represents clients with skill and professionalism. I highly endorse him!"

Rachel Caldwell headshot
Rachel Caldwell

Family lawyer | Jun 27

Relationship: Co-worker

"Greg is a zealous advocate for his clients producing outstanding results. I highly endorse this lawyer."

Amanda Szpakowski headshot
Amanda Szpakowski

Family lawyer | Jun 24

Relationship: Co-worker

"I endorse this lawyer. Greg gives careful attention and consideration to every case and client he represents. He is well-prepared, zealous, and attentive; every client could benefit from Greg's representation."

View All Endorsements
Andrea Joy Banks headshot
Andrea Banks

Family lawyer

Kyle Stephenson headshot
Kyle Stephenson

Family lawyer

Rebekah Jennifer Burz headshot
Rebekah Burz

Family lawyer

Experience

Rating:  7.1 (Very Good)

Honors

2025

Rising Star, Super Lawyers

Work Experience

2022 - Present

Family Law Attorney, Cantor Law Group

2020 - 2022

Attorney, Gurstel Law Firm, PC

2020 - 2020

Attorney, Law Office of Joshua Black, PLC

2019 - 2020

Law Clerk, Law Office of Joshua Black, PLC

Associations

Maricopa County Bar Association

Education

2019

U of North Dakota

JD

2010

Belhaven University

BS - Bachelor of Science

Languages

English

Avvo Rating

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  • Experience & background Years licensed, work experience, education
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  • Discipline Disciplinary information may not be comprehensive, or updated. We recommend that you always check a lawyer's disciplinary status with their respective state bar association before hiring them.
Avvo Rating Levels
10.0 - 9.0 Superb8.9 - 8.0 Excellent7.9 - 7.0 Very Good6.9 - 6.0 Good5.9 - 5.0 Average4.9 - 4.0 Concern3.9 - 3.0 Caution2.9 - 2.0 Strong Caution1.9 - 1.0 Extreme Caution