O'Connor & Thomas Law Firm, P.C. - Dubuque, IA

A Legal Legacy Rooted in 1840

When you require top-tier legal advice, aligning yourself with a firm that possesses a proven, historic record of success is invaluable. Founded in 1840 under the name Davis and Crawford, O'Connor & Thomas Law Firm, P.C. stands proudly as the oldest law firm in continuous practice west of the Mississippi River. For nearly two centuries, our attorneys have served as trusted counselors, advocates, and civic leaders in Dubuque, Eastern Iowa, and the broader Tri-State area. From our historic downtown Dubuque office, we continue that tradition today, offering comprehensive general practice services backed by decades of collective wisdom and state-of-the-art resources.

We believe that outstanding legal service is built on deeply personalized relationships. Whether you represent a major commercial enterprise looking to secure regulatory compliance, or an individual family wanting to safeguard your assets for the next generation, we treat your legal goals with the meticulous care they deserve. Our highly rated attorneys bring a wealth of diverse trial and advisory experience to every case, assuring client-focused representation that delivers results.

Specialized Multi-Practice Representation

At O'Connor & Thomas Law Firm, P.C., we provide extensive legal services tailored to meet the multifaceted needs of businesses, families, and individuals. If you need to hire a corporate lawyer or find an estate planning attorney in Dubuque, our team represents clients across several core areas:

• corporate and transactional law: We advise businesses of all sizes on business formation, contract drafting, complex mergers and acquisitions, tax planning, and corporate governance.
• estate planning and probate: From drafting basic wills and establishing revocable living trusts to navigating complex estate tax planning, power of attorney documents, and probate administration, we help you secure your legacy.
• business litigation: Our commercial trial attorneys represent clients in high-stakes business disputes, breach of contract claims, partnership dissolutions, and employment litigation in both state and federal courts.
• real estate law: We handle residential and commercial real estate transactions, boundary disputes, title searches, zoning issues, and commercial leasing agreements across Iowa, Wisconsin, and Illinois.

Recognized Courtroom and Ethical Excellence

Our long-standing reputation for legal excellence is reflected in the numerous professional accolades earned by our attorneys. Members of our team have been honored with AV Preeminent peer-review ratings by Martindale-Hubbell, reflecting the highest standards of professional capability and ethics. Additionally, several of our practitioners are consistently selected to the Super Lawyers list, representing the top tier of attorneys in the region. We are not just advocates in the courtroom; we are dedicated neighbors and active community board members who care deeply about the prosperity of Dubuque.

Client-Focused Advocacy Designed for Your Future

Navigating complex transactions or sensitive disputes requires clear, honest communication. At O'Connor & Thomas Law Firm, P.C., we keep you informed at every turn, ensuring you understand the legal and financial ramifications of every choice. We offer tailored fee structures, including retainer-based and hourly agreements, allowing our corporate and personal clients to budget their legal needs effectively. Contact our Dubuque office today to schedule a comprehensive consultation and partner with a legendary legal institution.