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Thompson, Randall & Mellen, P.C. is a full-service law firm committed to bringing the highest level of legal services to our clients.


Ronald D. Thompson

Ron Thompson is the General Manager of the Washington County Water Conservancy District. Mr. Thompson is a member of the Utah State Bar. He graduated from Brigham Young University in 1971 with a degree in accounting and received his law degree from the University of Utah in 1974. Mr. Thompson served as Washington County attorney from 1973-1978. He previously served on the Board of Directors of the Statewide Association of Prosecutors, the Utah Association of Counties, and the Utah Association of Special Districts. Mr. Thompson is a past President of the Utah Water Users Association and a member of its Board of Directors. He is Chair of the Resolutions Committee for the National Water Resources Association and serves on their Board of Directors. He is also the Vice Chair of the Municipal Caucus of that organization. He is a past president of the Colorado River Water Users and presently on the Board of Directors. Mr. Thompson serves on the Utah Water Development Coalition, as Vice Chair of the Utah Water Finance Agency and also currently serves on the Board of Directors of the St. George Washington Canal Company, the St. George Valley Irrigation Company and the St. George Clara Field Canal Company. Ron Thompson is married to the former Dorothy Rice. They are the parents of four children and 13 grandchildren.

Aaron D. Randall

Bar Admissions: Utah State Bar, Nevada State Bar, California State Bar (inactive) Education: JD: Santa Clara University School of Law Bachelor of Arts: Brigham Young University International Relations Bachelor of Arts: Brigham Young University
Languages: Korean
Experience: Aaron was born in Minnesota and raised in West Bend, Wisconsin. He attended Brigham Young University where he graduated with a Bachelor’s of Arts in International Relations and Korean. Aaron then attended law school at Santa Clara University School of Law in Santa Clara, California. As a law student, Aaron participated in the Jessop International Moot Court Competition during his second year of law school. Following graduation, Aaron worked as an attorney for one of the largest family law offices in the Bay area, Hoover and Bechtal. Aaron moved with his family to St. George, Utah and joined the firm of Hughes and Bursell in June 2002. In November 2005, the firm changed its name to Hughes and Randall at which time Aaron became the managing partner. The firm subsequently changed its name to Hughes, Thompson, Randall & Mellen in February 2007; since 2016, the current name is Thompson, Randall & Mellen. Aaron practices several areas of the law, including all aspects of estate planning and probate, business formation, real estate litigation and transactions, collections and foreclosures, general civil litigation, and domestic practice, including divorces, prenuptial agreements, child custody and support and other domestic issues. From 2006 through 2008, Aaron served as a board member of the Southern Utah Bar Association and during 2008 served as the president of the Southern Utah Bar Association. Aaron currently serves on the board of directors for the learning Center for Families, a local non-profit serving the needs of at risk children between the ages of 0 and 3. Personal: Aaron and his wife, Amy have been married for over twenty seven years and have one son and four daughters. Aaron enjoys coaching his children in their various sporting activities. He enjoys playing golf, camping, and outdoor recreation with his family and spends way too much time reading about and watching BYU sports.

Rick Mellen

Bar Admissions: Utah State Bar Education: JD: University of Oregon Bachelor of Arts: English, University of Utah Bachelor of Arts: French, University of Utah Languages: French Experience: Rick C. Mellen was born in Salt Lake City, Utah. Rick attended the University of Utah and graduated in 1999 with a Bachelor’s Degree in English and a Bachelor’s Degree in French. In December, 2002, Rick received a Juris Doctorate Degree from the University of Oregon, School of Law. During law school, Rick was selected as an editor of the Oregon Law Review and as a member of the Moot Court Board. Rick has been a member of the Utah Bar since June, 2003 and he joined the law firm of Hughes & Bursell, P.C., in St. George, Utah, in December, 2003. Rick became a partner in Hughes, Thompson, Randall & Mellen, P.C., in February, 2007. Rick is a member of the Southern Utah Board Association and sat on the board from 2012 to 2014. Rick’s law practice encompasses several areas including family law, adoption, general civil litigation, real estate litigation, landlord and tenant disputes, collections, and appeals. Personal: Rick is married and has two children. In his spare time, Rick enjoys outdoors activities including mountain biking, hiking, canyoneering, and backpacking.

Emergency? Call us now (435) 673-4892


Real Estate Law

When considering a real estate transaction, it's important to know your rights. Our legal team can direct you through what can be a complicated and time-consuming process.


Establishing your trust to hold and manage property and assets is an important decision. Thompson, Randall & Mellen cares about their clients and will direct and advise you on the many legal aspects involved.

Business Law

Our firm assists businesses of all sizes with startup and formation. We help you determine whether to form a corporation, limited liability company, partnership, or other entity that will best protect your interest.

Family Law

Thompson, Randall & Mellen, P.C. has divorce and family law attorneys that help you understand the legal aspects of divorce, financial support, child custody battles, prenuptial agreements, adoption, and domestic abuse. We fight to protect your interests.


We have confidence and expertise in the areas of real estate, corporations, estates, probate, civil and domestic issues, and adoptions.


Our firm has set standards to not only be precise and provide quality services, but to maintain long-term, partnering relationships.



When you need legal assistance, turn to the knowledgeable attorneys at Thompson, Randall & Mellen, P.C. Contact our firm to receive a quote before you begin working with us.