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Herold "Mac" Deason, Business Attorney in Detroit, Michigan

Detroit, MI

Trusted business attorney serving Detroit.

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Herold "Mac" Deason is an attorney based in Detroit, MICHIGAN. The practice focuses on Business.

Based in
Detroit, MICHIGAN
Experience
attorney
Known for
Business
  • Handles Business matters from Detroit, MICHIGAN.
  • Recognized with Best Lawyers in America — Corporate Law (2026).

About Herold "Mac" Deason: Herold "Mac" Deason is an attorney based in Detroit, MICHIGAN. The practice focuses on Business.

Areas of practice

Legal matters Herold takes on

Herold concentrates on business. Each area below outlines the kind of case Herold handles, typical outcomes to expect, and how the intake process starts.

Business cases in Detroit, Michigan

Herold takes business matters in Detroit, Michigan. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Herold agrees to represent you.

Biography

Meet Herold "Mac" Deason — business lawyer in Detroit

Herold "Mac" Deason is an attorney based in Detroit, MICHIGAN. The practice focuses on Business.

Mr. Deason concentrates his practice in corporate and business law including corporate governance, finance, organization, mergers and acquisitions, and commercial transactions.

He is an expert in local government law and served as a director and as president of the Michigan Association of Municipal Attorneys. Mr. Deason has extensive experience in aviation law. He counsels individuals and corporations in the acquisition of private aircraft and represents the owner of a major fixed base operator of executive and corporate aircraft and its management company. He has also advised numerous purchasers of fractional interests in executive aircraft.

Mr. Deason has extensive commercial and legal experience involving core manufacturing and service industries, including operational as well as merger and acquisition counseling in automotive, banking, cement, data processing, enterprise software, firearms, general aviation, health care, paper and specialty chemical industries.

Mr. Deason serves or has served on many privately held corporate, nonprofit and educational boards. He is a member of the Law Board at Northwestern University Law School and a member of the External Advisory Committee to the Gerald R. Ford Institute for Public Policy and Service at Albion College. He is a former president of the Canada-U.S. Business Association, a former president of the American Heart Association — Grosse Pointe Division, and a former member of the audit committee of Bon Secours Hospital. He served on the boards of directors of Techform Products Limited and Kent-Gamebore Corporation.

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Herold's approach to business cases

Mr. Deason concentrates his practice in corporate and business law including corporate governance, finance, organization, mergers and acquisitions, and commercial transactions. He is an expert in local government law and served as a director and as president of the Michigan Association of Municipal Attorneys. Mr. Deason has extensive experience in aviation law. He counsels individuals and…

Who Herold represents

Herold reviews new inquiries case-by-case for business matters in Detroit and the surrounding Michigan area.

Credentials

Education, bar admissions, and languages

  • Northwestern University

    J.D. · 1967

  • Albion College

    B.A.

Jurisdictions

Herold's state bar admissions

  • Michigan, State Bar

    ACTIVE

Herold studied at J.D. in Northwestern University and B.A. in Albion College.

Law school and academic background

Herold completed J.D. in Northwestern University and B.A. in Albion College. Formal legal training is one signal of substantive knowledge — the day-to-day practice Herold runs in Michigan is where that training gets applied to real client questions.

Recognition

Recognition and thought leadership

Herold has received 17 formal recognitions from bar associations, industry bodies, and peer-review services.

  • Best Lawyers in America — Corporate Law

    2026

  • Best Lawyers in America — Special Focus:

    2026

  • Best Lawyers in America — Aviation

    2026

  • Best Lawyers in America — Closely-Held Businesses

    2026

  • Best Lawyers in America — Commercial

    2026

  • Best Lawyers in America — Corporate Compliance

    2026

  • Best Lawyers in America — Corporate Finance

    2026

  • Best Lawyers in America — Corporate Governance

    2026

  • Best Lawyers in America — Cross-Border

    2026

  • Best Lawyers in America — Family Businesses

    2026

  • Best Lawyers in America — General Corporate

    2026

  • Best Lawyers in America — Mergers & Acquisitions

    2026

  • Best Lawyers in America — Municipal

    2026

  • Best Lawyers in America — Transactions

    2026

  • Best Lawyers in America — Awards:

    2026

  • Best Lawyers in America — AV Peer Review Rated by Martindale-Hubbell.

    2026

  • Best Lawyers in America — DBusiness magazine "Top Lawyer" 2009-2013, 2015

    2026

Legal awards and honors

Best Lawyers in America — Corporate Law (2026). Best Lawyers in America — Special Focus: (2026). Best Lawyers in America — Aviation (2026). Best Lawyers in America — Closely-Held Businesses (2026). Best Lawyers in America — Commercial (2026). Best Lawyers in America — Corporate Compliance (2026).

Locations

Herold "Mac" Deason's office in Detroit

Herold's primary office is at 1901 Saint Antoine Street, Detroit, Michigan, 48226. In-person meetings are by appointment; a phone intake usually comes first.

Main office

1901 Saint Antoine Street

Detroit, Michigan 48226

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Client feedback

Client reviews of Herold "Mac" Deason

Herold has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.

No reviews yet

Only verified clients who have consulted with Herold "Mac" Deason can leave a review.

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Hiring guide

How to hire Herold "Mac" Deason — what to expect in your first consultation

Working with a new business attorney should feel structured. Here's how the first two conversations with Herold usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Herold charges for the initial consult. That fee is credited toward representation if you retain Herold's office.

What to bring to your first meeting

Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Herold will tell you what matters and what doesn't.

Questions to ask a business attorney in Detroit, Michigan

A short list to run through before you commit: How many business matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?

Fees & payment

Fees, payment methods, and consultation options for Herold

Herold discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every business matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Herold confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Herold's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Herold "Mac" Deason

  • How much does it cost to hire Herold for a business case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Herold walks through the likely range during the consult so there are no surprises.

  • Does Herold offer a free consultation?

    Herold charges for the initial consult; that fee is credited toward representation if you retain Herold's office. Some business attorneys offer free consults — check Herold's current terms during booking.

  • How long do business cases in Michigan typically take?

    Simple business matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Herold gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Herold take my case if I'm outside Detroit?

    Herold is licensed in Michigan. Matters governed by Michigan law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Herold will tell you if the case is a fit or refer you to someone closer to your court.

  • What should I bring to my first meeting with Herold?

    Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Herold will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Herold accepting new business clients right now?

    Herold's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Business attorneys serving Detroit, Grand Rapids and Southfield in Michigan

Herold handles business matters throughout Michigan. Each city below is a direct link into the search page for verified business attorneys in that community.

More counsel

If Herold's intake is full or the fit isn't right, these business attorneys in Detroit handle similar matters. Every profile below is verified and open to consultations.