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do i need an attorney

Have you been injured in a motor vehicle accident? Would you like to secure your legacy with a will or trust?  Are customers not paying their invoices? From personal injury claims to commercial litigation - Percy, Lanoux & Mumphrey is eager to serve your legal needs.  Call to set up a consultation with one of our experienced attorneys today.

percy, lanoux & mumphrey

A Premier Law Firm in the Louisiana River Parishes Since 1977.

Percy, Lanoux & Mumphrey has built a solid reputation as a premier law firm in the River Parish Region of the Baton Rouge Metropolitan District.  With decades of experience, our attorneys offer competent legal services in a variety of practice areas and serve a wide range of individuals, businesses and government entities.  We devote our attention to the specific needs of our clients.  If you have questions or need legal representation, call us today!


“Very Kind and Honest”

I was in two car accidents in less than 3 months and I had no idea of how to handle the mounting medical bills and lost wages. A friend referred Matt Percy to me and it was the ...READ MORE »

-   Karen B..

“I Can’t Thank Everyone Enough”

“I hired Attorney Matthew Percy after being involved in an auto accident. Mr. Percy and the Percy, Lanoux & Mumphrey’s team did a spectacular job explaining the process to ...READ MORE »

-   Kim S.

“Will Never Use Anyone Else”

“If I could rate this firm from on a scale of 1 to 5 they would get a 10+ in my book.  Awesome firm....will never use anyone else!!!!  Ms. Mumphrey was wonderful in helping us ...READ MORE »

-   Sheri B.


Erin Wiley Lanoux

Erin Wiley Lanoux

Erin is a native of Gonzales, Louisiana. She joined the firm in 2007. Erin earned her B.S. in Economics from Louisiana State University in 2000. She then earned...

Matthew Ian Percy

Matthew Ian Percy

Matt is a native of Gonzales, Louisiana and a graduate of Ascension Catholic High School in Donaldsonville, Louisiana. He joined the firm in 2009. Matt earned ...

Miranda Mayer Mumphrey

Miranda Mayer Mumphrey

Miranda Mayer Mumphrey is a native of Gonzales, Louisiana. Miranda earned her B.A. in Political Science from Louisiana State University in 2005. She then earned...

Robert Ryland Percy, III

Robert Ryland Percy, III

Ryland Percy is a native of Baton Rouge, Louisiana and is the senior managing partner of the firm. He received a B.S. in accounting from Louisiana State ...

Anna Quintero Skias

Anna Quintero Skias

Anna is an associate with Percy, Lanoux & Mumphrey. Anna’s practice is comprised of general civil matters, real estate, estate planning, successions, and ...

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Send us a message or give us a call at 225.621.8522.