Local Legal Representation You Can Trust—Since 1985

Since opening our doors in 1985, William A. Hellyer Ltd Attorneys At Law has provided practical, compassionate legal support to individuals, families, and businesses in Crystal Lake, Algonquin, and throughout McHenry County.

We’ve built long-term relationships by treating every client like a neighbor—because in most cases, they are. With over 40 years of legal experience, we combine deep legal knowledge with genuine care for the people we serve.

Whether you're navigating a legal challenge or planning for the future, we offer clear answers, honest advice, and a commitment to your best interests.

Meet Attorney William A. Hellyer


A Veteran, Educator, and Advocate for His Community

Attorney William A. Hellyer brings more than just legal expertise to every case—he brings a lifetime of service, leadership, and integrity.

Admitted to the Illinois Bar: 1985

Juris Doctorate – John Marshall Law School (1985)

MBA – Eastern Illinois University (1981)

BS in Business – Pacific Christian College (1979)

United States Marine Corps Veteran, honorably discharged (1979)

Bill has served as legal counsel for the School District 200 Trades Program and is a proud member of the McHenry County Bar Association. His background as a professor and public servant has shaped a practice focused on education, empowerment, and ethical service.

A Lifetime of Leadership—In and Out of the Courtroom


Beyond his legal practice, Bill Hellyer has remained deeply involved in the community. His résumé includes:

  • Former Director of the Fox Waterway Agency
  • 18 years as Committee Chair for Boy Scout Troop 151
  • 5 years as moderator of the Church Council at Congregational Church of Algonquin
  • Taught Business and Marketing at:
  • Triton College (1981, 1983–1988)
  • Fort Hays State University (1981–1982)
  • Northeastern Illinois University (1983–1985)

His experience as an educator shapes how he communicates with clients: clearly, patiently, and with purpose.

What We Believe In


At William Hellyer Ltd, we operate by values that go beyond billable hours. When you work with us, you get:

Practical advice grounded in experience

Personal attention to your unique situation

Flexible appointments, including off-site visits to homes, hospitals, and jails

Respectful, honest communication—no legal jargon, no hidden agendas

Veteran-owned service mindset, focused on honor and results

Our firm doesn’t push unnecessary litigation or overcomplicate simple matters. We’re here to solve problems, not create them.

Areas of Legal Practice


We offer full-service legal support in:

Wills, Trusts, and Estate Planning

Probate & Powers of Attorney

Divorce & Family Law

DUI & Criminal Law

Personal Injury

Bankruptcy & Debt Relief

Real Estate

Small Business Law

We understand that legal challenges rarely fall into just one box. That’s why we look at every case holistically—often combining disciplines to create smarter, long-term solutions.

Office Information


Visit Us

William A. Hellyer Ltd.
444 N Illinois Rte 31, Suite 100

Crystal Lake, IL 60012

📍 Get Directions

Contact Information

Business Hours

  • Monday – Friday: 8:30 AM – 5:00 PM
  • Evenings & Weekends: By appointment

Payment Options


We accept the following forms of payment:

Visa

MasterCard

Discover

American Express

Cash / Check

A Community-Focused Law Firm


We’re proud members of:

McHenry County Bar Association

Crystal Lake Chamber of Commerce

Algonquin/Lake in the Hills Chamber

We serve clients across:

Crystal Lake

Algonquin

Huntley

McHenry

Cary

Lake in the Hills

Woodstock

Fox River Grove

And surrounding areas in McHenry and Kane County

Let’s Talk About Your Legal Needs


📞 Call William Hellyer Ltd at (815) 459-1700 today.

📍 Serving Crystal Lake, Algonquin, and surrounding communities since 1985