Free Consultation
$0 first 30 minutes
Cosmas M. Onyia
About Cosmas
Practice Areas
1
Practice Area
Fees and Rates
Cost
Payment Methods
- Cash
- Check
- Credit Card
Looking for an attorney? Avvo can help.
Search our directory
Quickly connect with top attorneys through our legal directory to get help with your legal issue.
Avvo's live chat agents can help coordinate a consultation with a local attorney.
Chat with a live agent who can match you with the right attorney for your legal needs.
Chat withLicenses
Licensed in Arizona for 31 years
State: Arizona
Acquired: 1994
No misconduct found
Licensed in Washington for 32 years
State: Washington
Acquired: 1993
No misconduct found
Location
Law Offices of Cosmas M. Onyia
3636 N Central Ave Ste 800, Phoenix, AZ, 85012-1938
Ad
Transform legal challenges into solutions.
Connect now to review your situation.
Cosmas M. Onyia's Reviews
Avvo Review Score
4 Client Reviews
Filter Avvo Reviews (4)
Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.
Practice Areas
Showing 1 - 1 of 1 review | Divorce & Separation
Posted by Satya S | July 04, 2025 | Hired Attorney | Divorce & Separation
Compassionate and Highly Skilled Divorce Attorney – Highly Recommend!
Cosmas is an excellent divorce attorney. He was always well-prepared in court, especially for cross-examinations, and submitted clear, timely documents that made my case stronger. He took the time to listen and never rushed me, offering practical advice that made me feel supported throughout the proc...
Cosmas M. Onyia's Lawyer Endorsements
No Endorsement Data Available Yet
This attorney hasn't received any attorney endorsements recently on Avvo.
No Endorsement Data Available Yet
This attorney hasn't created any attorney endorsements recently on Avvo.
Experience
Work Experience
1994 - Present
Attorney, COSMAS ONYIA, PC
Education
1991
University Of Idaho Law School
JD - Juris Doctor
Languages
English