About The Firm

Dickinson, Mackaman, Tyler & Hagen, P.C. is a general practice law firm in Des Moines, Iowa. Our attorneys, many of whom have been honored by some of the most respected national and international legal organizations, provide a full range of legal and business counseling services to a client base that includes large corporations, small businesses, governmental entities, and not-for-profit organizations with interests in Iowa.

Dickinson attorneys and staff members have a strong commitment to professional excellence and integrity. We have established long-lasting relationships of trust and confidence with our clients by providing careful legal advice and dedicated service, and we have consistently invested in technologies that allow our attorneys to be more efficient, more effective, and more accessible to clients.

Our success as a firm is a reflection of our commitment to client service and our focus on achieving the best results possible in a cost-effective manner. We consider ourselves teammates in the interest of our clients’ success. Ultimately, our goal is to provide legal services and counseling which enhance the reputation of both the client and the attorney involved.

Best Law Firms

Dickinson, Mackaman, Tyler & Hagen P.C. is ranked by U.S. News - Best Lawyers as a "Best Law Firm” in 20 practice areas for 2023.  The list recognizes firms who exhibit professional excellence with impressive ratings from their clients and peers. Ranked firms are presented in tiers on a national and/or metropolitan scale. 

Metropolitan Tier 1 

Des Moines

Banking and Finance Law

Bet-the-Company Litigation

Business Organizations (including LLCs and Partnerships)

Commercial Litigation

Commercial Transactions / UCC Law

Corporate Law

Employment Law - Management

Family Law

Financial Services Regulation Law

Labor Law - Management

Land Use & Zoning Law

Litigation - Labor & Employment

Real Estate Law

Trusts & Estates Law

Metropolitan Tier 2

Des Moines

Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law

Closely Held Companies and Family Businesses Law

Litigation - Land Use & Zoning

Litigation - Real Estate

Nonprofit / Charities Law

Metropolitan Tier 3

Des Moines

Tax Law 

Best Lawyers

23 Dickinson Law attorneys are ranked in the 2023 U.S. News - Best Lawyers list regionally in 23 practice areas. See the complete Best Lawyers in America list here. Each year only one lawyer in a given practice area and the metropolitan region is chosen as Lawyer of the Year. For 2023, two attorneys from Dickinson Law are named as “Lawyer of the Year” in three areas of law, including:

In addition, four attorneys are recognized in the third annual 2023 edition of the Best Lawyers: Ones to Watch list for attorneys who are earlier in their careers for outstanding professional excellence in private practice:

  • Regan Conder - Family Law
  • Cody J. Edwards - Litigation and Controversy - Tax and Tax Law
  • Sierra McConnell - Corporate Governance and Compliance Law and Privacy and Data Security (first year recognized)
  • Will Reasoner - Land Use and Zoning Law, Litigation – Real Estate, and Litigation – Trusts and Estates (first year recognized)



Dickinson Law is recognized in the 2022 edition of Chambers USA: America’s Leading Lawyers for Business. The firm is ranked in every area of law (Corporate/M&A, Corporate/MA: Banking & Finance, Labor and Employment, Real Estate, Commercial Litigation and Private Wealth Law) as researched by Chambers & Partners in the state of Iowa.

The following 11 Dickinson attorneys are ranked by Chambers; among them three received special recognition for exceptional recommendations they received in their field:

Firm Insight

Firms are ranked in a limited number of categories and were evaluated by Chambers researchers through peer review and client interviews regarding their experiences with individual attorneys and practice areas.

Chambers rankings assess key qualities in the legal field, including technical legal ability, professional conduct, client service, commercial astuteness, diligence and commitment.

In their research over the past two years, Chambers USA noted that Dickinson Law is a full-service law firm and that our experienced attorneys are the ideal choice for clients, as well as highly regarded and respected.

During the interviews, sources described the firm’s assistance as “invaluable,” and Dickinson attorneys as “responsive, thoughtful, and insightful,” as well as possessing the ability to “provide excellent advice and guidance.”

"In addition to helping their clients to achieve their goals, they provide the most cost effective legal opinions and directions to their clients,” reported a client. “They helped me to solve my problem in the most cost effective way, rather than through lengthy procedures.”

Another client said: “They helped us see around corners and understand what was coming. As the case progressed, they prepared us for what we could expect and reassured us throughout.”

You can find more testimonials from our clients here.