Atty. William E Sigler

Atty. William E Sigler

William E Sigler is a lawyer practicing employee benefits law, estate planning law, corporate law and 5 other areas of law. William received a B.A. degree from Michigan State University in 1980, and has been licensed for 43 years.

Southfield Southfield 43 yrs experience 43 year
Call (833) 286-4230 Book Appointment

Corporate Law & More Attorney · Serving Southfield, MI · 43+ Years Experience

Profile Summary

About William E Sigler at a Glance

William E Sigler is a Shareholder based in Southfield, Michigan, practicing at Maddin, Hauser, Roth & Heller, P.C.. They have 43+ years of legal experience, licensed to practice since 1983. Their practice focuses on probate, estate planning, employment, business, and real estate. Admitted to practice in Michigan (1983), U.S. District Court, Eastern District of Michigan (1983), U.S. Tax Court (1984), and U.S. Court of Appeals, Sixth Circuit (1991). Educated at University of Detroit (J.D., 1983) and Michigan State University (B.A., 1980). Recognitions include AV Preeminent. Serves clients in Southfield, MI and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About William E Sigler

  • William E Sigler is a lawyer practicing employee benefits law, estate planning law, corporate law and 5 other areas of law
  • William received a B.A. degree from Michigan State University in 1980, and has been licensed for 43 years
  • William practices at Maddin, Hauser, Roth & Heller, P.C. in Southfield, MI

Practice Areas Explained

William E Sigler's Areas of Legal Practice

Each practice area below reflects the types of cases William E Sigler handles, with a practical overview of what that area of law involves and how it may apply to your situation in Southfield.

Probate in Southfield

William E Sigler is one of 127,041 probate attorneys indexed nationally. Browse probate attorneys in Michigan →

Estate Planning & Probate in Southfield

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

William E Sigler is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in Michigan →

Employment Law in Southfield

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

William E Sigler is one of 167,770 employment attorneys indexed nationally. Browse employment attorneys in Michigan →

Business & Corporate Law in Southfield

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

William E Sigler is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Michigan →

Real Estate Law in Southfield

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

William E Sigler is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in Michigan →

Jurisdictional Context

Why Local Counsel Matters in Southfield

Practicing law in Michigan. Legal matters in Michigan are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Southfield are typically filed in the local municipal court or the appropriate Michigan state district court, depending on subject matter and amount in controversy. An attorney licensed in Michigan brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Michigan courts without local counsel or pro hac vice admission.

Southfield Courts and Legal Process

Choosing a Southfield-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional Michigan attorneys? Browse all attorneys in Southfield or all attorneys in Michigan.

Frequently Asked

Common Questions About William E Sigler

Where is William E Sigler's law office located?
William E Sigler's law practice is located in Southfield, Michigan. The firm is Maddin, Hauser, Roth & Heller, P.C.. You can contact the office directly through this profile page.
What practice areas does William E Sigler handle?
William E Sigler focuses on probate, estate planning, employment, business, real estate. Each practice area listed reflects experience handling cases of that type in Michigan.
How long has William E Sigler practiced law?
William E Sigler has 43+ years of legal experience and has been licensed since 1983.
Where did William E Sigler go to law school?
William E Sigler earned their education at (J.D., 1983); (B.A., 1980).
How can I contact William E Sigler for a consultation?
You can contact William E Sigler directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has William E Sigler received?
William E Sigler's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Southfield Choose William E Sigler

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish William E Sigler's practice in the field of probate, estate planning, employment, business, and real estate.

Decade-Tested Legal Experience

William E Sigler brings 43+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Michigan, U.S. District Court, Eastern District of Michigan, and U.S. Tax Court, William E Sigler can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering probate, estate planning, and employment, William E Sigler can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Southfield

A Southfield-based practice means William E Sigler attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues William E Sigler Handles in Southfield

Below is a representative sample of the types of matters William E Sigler has experience with under Michigan law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Last wills and testaments
Estate Planning
Revocable living trusts
Estate Planning
Powers of attorney
Estate Planning
Probate proceedings
Estate Planning
Wrongful termination claims
Employment
Workplace discrimination
Employment
Wage and hour disputes
Employment
Non-compete agreement review
Employment
Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business

This list is illustrative, not exhaustive. Contact William E Sigler directly to discuss the specifics of your situation.

Search Reference

How People Find William E Sigler Online

Prospective clients searching for legal help in Southfield commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like William E Sigler.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with William E Sigler directly.

Education & Law School Background

J.D.
University of Detroit
- 1983
B.A.
Michigan State University
- 1980

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

Michigan
Admitted: 1983
U.S. District Court, Eastern District of Michigan
Admitted: 1983
U.S. Tax Court
Admitted: 1984
U.S. Court of Appeals, Sixth Circuit
Admitted: 1991
U.S. Supreme Court
Admitted: 1992

Client Reviews & Ratings — William E Sigler

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