Marcos Sonthay, M&A Attorney in Houston, Texas
focused on M&A, Tax, and Tax Litigation
Houston, TX
Trusted m&a attorney serving Houston.
Practices in
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Quick answer
Marcos Sonthay is an attorney based in Houston, TEXAS. The practice focuses on M&A, Tax, and Tax Litigation.
- Based in
- Houston, TEXAS
- Experience
- attorney
- Known for
- M&A · Tax · Tax Litigation
- Handles M&A, Tax, and Tax Litigation matters from Houston, TEXAS.
- Recognized with Best Lawyers in America — Litigation and Controversy - Tax (2026).
About Marcos Sonthay: Marcos Sonthay is an attorney based in Houston, TEXAS. The practice focuses on M&A, Tax, and Tax Litigation.
Areas of practice
Legal matters Marcos takes on
Marcos concentrates on m&a, tax, and tax litigation. Each area below outlines the kind of case Marcos handles, typical outcomes to expect, and how the intake process starts.
M&A
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Tax
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Tax Litigation
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M&A cases in Houston, Texas
Marcos takes m&a matters in Houston, Texas. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Marcos agrees to represent you.
Tax cases in Houston, Texas
Marcos takes tax matters in Houston, Texas. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Marcos agrees to represent you.
Tax Litigation cases in Houston, Texas
Marcos takes tax litigation matters in Houston, Texas. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Marcos agrees to represent you.
Biography
Meet Marcos Sonthay — m&a lawyer in Houston
Marcos Sonthay is an attorney based in Houston, TEXAS. The practice focuses on M&A, Tax, and Tax Litigation.
Marcos Sonthay is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax, Mergers and Acquisitions Law and Tax Law.
Marcos, who practices law in Houston, Texas, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marcos is held by other top lawyers in the same geographic and legal practice area.
How Marcos handles m&a matters
Marcos Sonthay is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax, Mergers and Acquisitions Law and Tax Law. Marcos, who practices law in Houston, Texas, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marcos is held by other top lawyers in the same geographic…
The kind of cases Marcos takes
Marcos reviews new inquiries case-by-case for m&a, tax, and tax litigation matters in Houston and the surrounding Texas area.
Recognition
Recognition and thought leadership
Marcos has received 3 formal recognitions from bar associations, industry bodies, and peer-review services.
Best Lawyers in America — Litigation and Controversy - Tax
2026
Best Lawyers in America — Mergers and Acquisitions Law
2026
Best Lawyers in America — Tax Law
2026
Legal awards and honors
Best Lawyers in America — Litigation and Controversy - Tax (2026). Best Lawyers in America — Mergers and Acquisitions Law (2026). Best Lawyers in America — Tax Law (2026).
Locations
Marcos Sonthay's office in Houston
Marcos's primary office is at 1111 Bagby Street, Suite 2100, Houston, Texas, 77002. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Marcos Sonthay
Marcos has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
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Schedule your consultationHiring guide
How to hire Marcos Sonthay — what to expect in your first consultation
Working with a new m&a attorney should feel structured. Here's how the first two conversations with Marcos usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Marcos charges for the initial consult. That fee is credited toward representation if you retain Marcos'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; Marcos will tell you what matters and what doesn't.
Questions to ask a m&a attorney in Houston, Texas
A short list to run through before you commit: How many m&a 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 Marcos
Marcos discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in m&a practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every m&a 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. Marcos confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Marcos's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many m&a practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Marcos Sonthay
How much does it cost to hire Marcos for a m&a case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Marcos walks through the likely range during the consult so there are no surprises.
Does Marcos offer a free consultation?
Marcos charges for the initial consult; that fee is credited toward representation if you retain Marcos's office. Some m&a attorneys offer free consults — check Marcos's current terms during booking.
How long do m&a cases in Texas typically take?
Simple m&a 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. Marcos gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Marcos take my case if I'm outside Houston?
Marcos is licensed in Texas. Matters governed by Texas law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Marcos 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 Marcos?
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. Marcos will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Marcos accepting new m&a clients right now?
Marcos's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
M&A attorneys serving Houston, Dallas and Austin in Texas
Marcos handles m&a matters throughout Texas. Each city below is a direct link into the search page for verified m&a attorneys in that community.
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