Divorce Attorney in Phoenix

Cosmas Onyia, P.C., is a law firm that practices family law in Phoenix, AZ, serving clients in the surrounding area. Cosmas Onyia is an experienced Phoenix family law attorney who has helped many clients obtain timely and cost-effective solutions to their legal disputes. He has a special focus on divorce proceedings, and is committed to aggressively representing his clients’ interests in dissolution cases.

Phoenix Divorce Attorney Cosmas Onyia

Phoenix Divorce Attorney Cosmas Onyia is a solo practitioner who devotes his practice exclusively to the area of family law. He has nearly 20 years of experience representing clients facing family legal disputes. While he is an aggressive advocate who fights for his clients’ rights, he also offers clients discreet, compassionate legal counsel during a difficult time in their lives.


As a Phoenix family law attorney, Cosmas Onyia has handled hundreds of divorces for his clients. He is an aggressive advocate who will negotiate on your behalf, with the goal of reaching the most favorable resolution possible.

Phoenix Divorce Attorney Cosmas Onyia understands that divorce—even in the most amicable situations—is never a pleasant experience. He understands that many of his clients want to move forward with their lives as quickly as possible. That is why he works to efficiently resolve family legal matters without sacrificing your goals.

In every divorce, there is much at stake. Your livelihood depends on having an experienced advocate on your side who will defend your rights. Cosmas Onyia is an experienced Phoenix divorce attorney who has successfully resolved many dissolution proceedings for his clients. He will work with you to understand what is important to you in your case, and will develop a legal plan of action to pursue those goals.

After representing clients in Arizona family law and divorce proceedings for nearly 20 years, Cosmas Onyia appreciates that no two cases are exactly alike. That is why he is committed to providing individualized legal advice and attention to his clients facing divorce proceedings. He will take the time to listen to your concerns and answer any questions that you may have. He will keep you informed of any developments in your case and will make sure that you understand all of your options.

While a divorce can be a stressful time, having an experienced Phoenix divorce attorney on your side will ensure that your rights are protected and that your legal needs are met.