Our Firm

Guichard, Teng & Portello was founded in 1996 by Matthew P. Guichard, an experienced trial lawyer who has been practicing law since 1982. From the very beginning, Guichard, Teng & Portello has focused first and foremost on the interests of our clients, who benefit from our size and pooled talents and expertise.

Mr. Guichard says, "I founded the firm with the purpose of bringing together a small, distinct group of exceptionally talented and experienced professionals because I believe people hire lawyers – not law firms. I took the best of my experiences in international law, criminal law, and civil law, and formed what is now Guichard, Teng, & Portello."

Our goal is to encourage our clients to decide how their cases should be handled. Moving away from traditional large-firm billing practices, Guichard, Teng & Portello attorneys are mindful of the economics of litigation and legal representation, and often advise clients on innovative alternatives to costly litigation and trial.

We are a team of creative, motivated people who enjoy the practice of law.

Mr. Guichard's extensive background includes active practice in criminal law and civil law; additionally, he has studied and practiced international law in Europe. Christopher K. Teng, practicing law since 1995, has developed a solid background in business and civil litigation, and today focuses on general business law. William L. Portello has been practicing law since 1993 and is known for his winning civil litigation expertise.

Guichard, Teng & Portello attorneys have expertise in a wide range of business practices, including General Business & Entity Formation, Shareholder and Partner DisputesCivil Litigation & Trials, Mediation & Arbitration, Estate Planning, Personal Injury, Dog Bite, Serious Auto AccidentsCriminal Defense - White Collar and DUI,  Immigration Law, and Family Law.

Call today and discover why Guichard, Teng & Portello is the smart choice for individuals and businesses seeking legal counsel and representation in the greater San Francisco Bay Area and Sacramento Metropolitan Area.

The Law Works for You

When I left the District Attorney’s office in the early 1990's to join a civil law firm in San Francisco, I had never heard the term Litigator. My frame of reference had been the number of jury trials a trial lawyer had to verdict, Bench trials didn't count... Read moreRead more

Multi-lingual

In addition to English, several Guichard, Teng & Portello attorneys and staff are fluent in Spanish, Mandarin, Cantonese, or Taiwanese.

Counties Served

With offices in Concord and Davis, California, Guichard, Teng & Portello serves the San Francisco Bay Area counties of Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma; the Sacramento Metropolitan Area counties of El Dorado, Placer, Sacramento, and Yolo; and international interests in Canada, Mexico, the People’s Republic of China, and Taiwan.