Griffin Williams McMahon & Walsh Law firm

Professional Lawyers

Griffin Williams McMahon & Walsh

Griffin Williams McMahon & Walsh Law firm

We're Always Available for Clients with
Emergent Legal Issues.


Griffin Williams McMahon & Walsh Law firm


Griffin Williams McMahon & Walsh LLP, is routinely ranked among the best law firms in the Chicagoland area.

Many of our attorneys are ranked on Leading Lawyers’ “Emerging Lawyers” or “Super Lawyers” lists. In addition, our firm has been ranked as one of the top three law firms by the Kane County Chronicle each year since 2016.

Why Hiring Us is Always a Winning Move?

Experienced Legal

The attorneys of Griffin Williams McMahon & Walsh have decades of collective experience helping both businesses and individuals achieve their legal goals. Our focus is on assuring the best possible outcome for our clients, and we’ll go the extra mile to ensure we achieve that result each time. Whether for business law, personal injury, civil litigation, real estate or more — our goal is to earn your trust to guarantee that you count on Griffin Williams McMahon & Walsh to be your Lawyers for Business and Lawyers for Life!

Local Presence

Griffin Williams McMahon & Walsh is based in Geneva, Illinois — the heart of the TriCity territory of the Fox Valley Region, in Chicago’s Western Suburbs. We have a very strong local, Chicago-area presence with a reputation for being one of the Midwest’s most capable small firms. Our reach, however, extends far beyond our local presence, and we have handled cases spanning the continental U.S. If you’re looking for a law firm with a regional identity and national capability, you’ve come to the right place in Griffin Williams McMahon & Walsh, LLP.

Consistent Approach

The experience of our partners and attorneys at Griffin Williams McMahon & Walsh enables us to follow the very best practices and legal standards to be expected of the finest legal representation anywhere in America. When it comes to having the know-how to execute appropriate legal strategy on a consistent basis for our clients, our team scores highly. Count on Griffin Williams McMahon & Walsh to handle your employment, tort, property dispute, contract or other issues consistently and expediently.

Cost Effective

At Griffin Williams McMahon & Walsh, we understand that you may be wary about the costs involved with engaging our firm. For that reason, we are conscious of the cost to you of the various legal paths we could undertake on your behalf. We will always explain the options along with our expectation of the potential outcomes, and the time/costs associated with each possibility. We firmly believe that there are cost effective resolutions to any legal matter with which you may need our assistance!

Our Practice Areas:

  • Business Law

    We represent a wide array of diverse companies both as general counsel and as trial counsel. We provide effective and economical legal guidance to many businesses on a regular basis.

  • Civil Litigation

    We have experience representing business and individuals in state and federal courts, appellate courts and in mediation and arbitration across a variety of matters.

  • Condo/Homeowners Association

    The attorneys at Griffin Williams McMahon & Walsh LLP provide cost effective, comprehensive legal counsel to condominium, homeowner and town home associations throughout Kane County and across Illinois

  • Construction Law

    The experienced legal team at Griffin Williams McMahon & Walsh LLP includes lawyers who are highly experienced in construction law, who know the construction business and can effectively utilize that knowledge for you and your business.

  • Criminal Misdemeanors & Traffic

    Griffin Williams McMahon & Walsh LLP provides reliable and individualized representation for DUI violations as well as a variety of misdemeanors.

  • Employment Law

    Griffin Williams McMahon & Walsh LLP can assist you or your business in a diverse number of employment matters.

  • Municipal Law

    The attorneys at Griffin Williams McMahon & Walsh, LLP handle a wide range of issues impacting municipalities and municipal employees.

  • Nonprofit Organizations

    The attorneys of Griffin Williams McMahon & Walsh LLP represent and serve on the boards of many nonprofit organizations.

  • Personal Injury Litigation

    The lawyers of Griffin Williams McMahon & Walsh LLP are highly skilled in the prosecution and defense of a variety of personal injury matters

  • Real Estate Law

    Our principals and attorneys have extensive experience in all aspects of real estate law.

  • Wills, Trust & Estates

    Our lawyers at Griffin Williams McMahon & Walsh LLP take great pride in providing security for you and your family through our estates and trust practice