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Talbot M. Theunissen
Talbot M. Theunissen is a lawyer in Houston, TX who works for Mainsail Corporate Solutions. Practice areas include Business, Contracts, Litigation: Commercial. Licensed in Texas since 2022. Graduated from University of San Diego in 2009.
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Law school
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TT
Talbot M. Theunissen
Mainsail Corporate SolutionsHouston, TX·4 years licensed
Claim profileContact attorney
Talbot M. Theunissen is a lawyer in Houston, TX who works for Mainsail Corporate Solutions. Practice areas include Business, Contracts, Litigation: Commercial. Licensed in Texas since 2022. Graduated from University of San Diego in 2009.
Law school
University of San Diego
Class of 2009
Bar admission
2022
State Bar of TX · No. 24127679
Office
260 N Sam Houston Pkwy E Ste 200
Houston, TX 77060
Disciplinary
None on record
Clean since admission
Career history
2 observed firms
Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.
- Unknown firmMAY 2023 — APR 2026Non-Law-Related Employment · Katy, TX
- Mainsail Corporate SolutionsAS OF JUN 2026Non-Law-Related Employment · Houston, TX
Case data
Case data
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Practice & jurisdiction
Practice areas
- Business
- Contracts
- Litigation: Commercial
- Oil, Gas and Energy Resources
- Real Estate
- Technology
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Last refreshed Jun 2026