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Michael G. Costello

Troy, MI

Trusted business attorney serving Troy.

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Michael G. Costello is an attorney based in Troy, MICHIGAN. The practice focuses on Business, Insurance, and Litigation.

Based in
Troy, MICHIGAN
Experience
attorney
Known for
Business · Insurance · Litigation
  • Handles Business, Insurance, and Litigation matters from Troy, MICHIGAN.
  • Recognized with Best Lawyers in America — Commercial Litigation (2026).

About Michael G. Costello: Michael G. Costello is an attorney based in Troy, MICHIGAN. The practice focuses on Business, Insurance, and Litigation.

Areas of practice

Practice focus

Michael G. Costello represents clients in Troy, Michigan across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About Michael G. Costello

Michael Costello concentrates his practice in commercial and corporate law and litigation. He provides his clients with deep expertise and insight into a broad range of legal and business issues having served for 23 years as general counsel to a publicly-traded company.

Mr. Costello leverages this experience to provide efficient and effective counsel to large businesses in a variety of industries as well as high net worth individuals and their closely-held companies. He frequently advises board members and executives on sensitive issues related to corporate governance, regulatory compliance, and strategic transactions. He is outside general counsel to a publicly-traded pharmaceutical company and serves other businesses as special counsel for corporate, insurance, and litigation matters.

As General Counsel of Meadowbrook Insurance Group, Mr. Costello managed the legal department and all of its activities for this large, complex, and highly-regulated company. His primary activities and accomplishments at Meadowbrook included the following:

  • Managed and supervised litigation against the company.
  • Successfully defended two shareholder class actions, SEC inquiries, coverage and bad faith litigation, reinsurance disputes, and significant employment and commercial cases across the United States.
  • Managed the public company’s HR, claims, and internal audit departments.
  • Led the corporate legal department through thirteen corporate acquisitions, two public company mergers, and several insurance agency acquisitions.
  • Managed compliance with all SEC securities filing requirements.Completed all insurance holding company filings and led responses to all regulatory examinations.
  • Successfully completed a corporate recapitalization, secondary offering, convertible debt offering, credit agreements, and the sale of the company.

Mr. Costello is active and has held leadership positions with a number of professional and charitable organizations, including the following:

  • University of Detroit Mercy School of Law Dean’s Advisory Board Member—(2016-present)Oakland Hills Country Club Evans Scholar Committee—(2016-present)
  • American Society of Corporate Secretaries—Member
  • University of Detroit Mercy School of Law Alumni Association—Past President and Director
  • Association of Corporate Counsel (ACC) Michigan Chapter—Past President and Director
  • ACC Foundation Michigan Chapter—Past President and Director
  • Insurance Institute of Michigan—Past Director and Executive Committee Member
  • Federation of Defense Counsel—Past Member
  • Oakland County Bar Foundation—Past Director

Immediately before joining Bodman, Mr. Costello was with a highly-regarded business law and litigation boutique firm based in Southfield, Michigan. Before joining Meadowbrook, he practiced corporate, insurance, and employment law for eight years as an associate and shareholder with a large southeast Michigan business law firm.

Mr. Costello serves as an Adjunct Professor at WMU-Cooley Law School, where he teaches courses in Insurance and Reinsurance Law as part of the Insurance LL.M. program. He has presented at many conferences and programs hosted by the Association of Corporate Counsel, the Federation of Defense & Corporate Counsel, and the Insurance Institute of Michigan, on topics related to insurance law, employment law, and corporate governance.His numerous accolades include recognition as a Leader in the Law by Michigan Lawyers Weekly (2008) and the Time & Talent Award for volunteer contributions to the University of Detroit Mercy School of Law (2012).

Credentials

Education

  • University of Detroit Mercy

    J.D. · 1985

  • Marquette University

    B.A.

Jurisdictions

Bar admissions

  • Michigan, Bar of Mic

    ACTIVE

Recognition

Awards & honors

  • Best Lawyers in America — Commercial Litigation

    2026

  • Best Lawyers in America — Corporate Law

    2026

  • Best Lawyers in America — Insurance Law

    2026

Locations

Office locations

Main office

201 West Big Beaver Road, Suite 500

Troy, Michigan 48084

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Client reviews

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Frequently asked

Common questions

  • What areas of law does Michael G. Costello practice?

    Michael G. Costello focuses on Business, Insurance, and Litigation.

  • Where is Michael G. Costello located?

    Michael G. Costello primarily serves clients in Troy, Michigan, with an office at 201 West Big Beaver Road, Suite 500.

  • Is Michael G. Costello a verified attorney?

    Michael G. Costello's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with Michael G. Costello?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 248-743-6000.