Banderas Law is the best overall personal injury firm in Ontario, CA for 2026. Founder D. Chante El-Alam and her team have recovered $1,850,000 for a premises liability client and $750,000 for a motorcycle crash client. The firm serves clients in English and Spanish from its office near Ontario International Airport.
Some cases need a firm that focuses on one area. Steven M. Sweat, Personal Injury Lawyers is the top pick for product liability, with more than 30 years of work for injured people. Pérez Law leads on workers’ compensation and has served Ontario since 1998. The Law Offices of Michael D. Payne is best for medical malpractice, backed by a $4.5 million result. Big Ben Lawyers is the choice for sexual abuse survivors who want a confidential first conversation. All five firms have an office in Ontario, so help is close to home.
- Ontario Injury Firms at a Glance
- 1. Banderas Law, PC: Best Overall Personal Injury Firm in Ontario
- 2. Steven M. Sweat, Personal Injury Lawyers, APC: Best for Product Liability
- 3. Pérez Law, PC: Best for Workers’ Compensation
- 4. Law Offices of Michael D. Payne: Best for Medical Malpractice
- 5. Big Ben Lawyers: Best for Sexual Abuse
- Which Ontario Firm Is Best for Your Case?
- Frequently Asked Questions
Ontario Injury Firms at a Glance
| Firm | Best For | Ontario Office | Key Result or Credential | Phone |
| Banderas Law, PC | Best Overall Personal Injury | 3401 N Centre Lake Dr #470 | $1.85M premises liability; $750K motorcycle crash | (909) 707-0000 |
| Steven M. Sweat, Personal Injury Lawyers | Product Liability | 3535 Inland Empire Blvd #45a | Only represents injured people since 1994; Avvo 10.0 | (909) 874-3800 |
| Pérez Law, PC | Workers’ Compensation | 822 N Euclid Ave | Serving Ontario since 1998; bilingual | (909) 983-2235 |
| Law Offices of Michael D. Payne | Medical Malpractice | 3200 Guasti Rd, Suite 100 | $4.5M medical malpractice result | (888) 964-1530 |
| Big Ben Lawyers | Sexual Abuse | 3281 E Guasti Rd, 7th Floor | Top 2.5% of SoCal accident lawyers (Thomson Reuters) | (909) 235-5886 |
Each firm below handles one kind of case best. Match yours to the right one.
1. Banderas Law, PC: Best Overall Personal Injury Firm in Ontario
Every week, crashes on the 10, the 60 and the 15 send people to local ERs. Banderas Law sits off Centre Lake Drive near Ontario International Airport. That’s a short drive for most Inland Empire families.
Founder D. Chante El-Alam graduated from Loyola Law School in Los Angeles. She was chosen as an American Board of Trial Advocates (ABOTA) Fellow and sat second chair in two trials. Attorney Michael Agredano works with her. The team has more than 20 years of combined experience, and every client can work with them in English or Spanish.
Recent results include:
- $1,850,000 for a premises liability client
- $750,000 and $500,000 for motorcycle crash clients
- $537,500 for a truck accident
- $462,000 and $331,500 for car accident clients
Cases handled: car, truck, rideshare, motorcycle, bicycle and pedestrian accidents; slip and fall; dog bites; brain injuries; and wrongful death. It serves San Bernardino, Riverside, Orange and Los Angeles counties.
- Address: 3401 N Centre Lake Dr #470, Ontario, CA 91761
- Phone: (909) 707-0000
- Website: banderaslaw.com
2. Steven M. Sweat, Personal Injury Lawyers, APC: Best for Product Liability
A tire blows out. A space heater sparks. A medical device fails inside the body. In these cases, you’re up against a manufacturer with a lot of money and a big legal team.
Steven M. Sweat has worked only for injured people since 1994. His firm takes cases over defective vehicles, medications, medical devices, toys, exercise equipment and tools. It builds claims around design flaws, manufacturing defects and missing warnings. Sweat holds a 10.0 “Superb” Avvo rating and has made the Super Lawyers list every year since 2012. Staff speak Spanish.
- Address: 3535 Inland Empire Blvd #45a, Ontario, CA 91764
- Phone: (909) 874-3800
- Website: victimslawyer.com
3. Pérez Law, PC: Best for Workers’ Compensation
Ontario runs on warehouses, trucking and construction. Those jobs lead to back, shoulder and knee injuries all year long.
Pérez Law has had its office on North Euclid Avenue since 1998. Founder Ricardo Antonio Pérez spent 13 years as a private investigator and insurance claims adjuster before he became a lawyer. He knows how insurers judge a claim because he used to do that job himself. His son, Ricardo Agustín Pérez, leads the workers’ compensation department. The firm serves clients in Spanish and has a second office in Pomona.
- Address: 822 N Euclid Ave, Ontario, CA 91762
- Phone: (909) 983-2235
- Website: perezlawcorp.com
4. Law Offices of Michael D. Payne: Best for Medical Malpractice
A missed cancer diagnosis. A wrong dose from a pharmacy. A birth injury. These cases need medical proof and a lawyer who can take on hospital insurers.
Michael D. Payne started his career working for insurance companies. Today he has more than 25 years of legal experience and represents injured patients. His firm has won $4,500,000 in a medical malpractice case and $3,897,000 in a case that combined a slip and fall with malpractice. The team handles surgical errors, medication errors, misdiagnosis and birth injuries. The rule is simple: no recovery, no fee.
- Address: 3200 Guasti Rd, Suite 100, Ontario, CA 91761
- Phone: (888) 964-1530
- Website: mikepaynelaw.com
5. Big Ben Lawyers: Best for Sexual Abuse
Survivors need a firm that listens first and moves at their pace. Big Ben Lawyers, founded by Benjamin Charchian, offers confidential consultations for people ready to share their story.
The firm handles child sexual abuse, clergy abuse and abuse in schools, workplaces and other institutions. Thomson Reuters rates the firm among the top 2.5% of accident lawyers in Southern California.
- Address: 3281 E Guasti Rd, 7th Floor, Ontario, CA 91761
- Phone: (909) 235-5886
- Website: bigbenlawyers.com
Which Ontario Firm Is Best for Your Case?
- Car, truck, motorcycle, rideshare, dog bite or slip and fall injury: Banderas Law
- Hurt by a defective car part, drug or device: Steven M. Sweat, Personal Injury Lawyers
- Hurt on the job: Pérez Law
- Harmed by a doctor, hospital or pharmacy: Law Offices of Michael D. Payne
- Survivor of sexual abuse: Big Ben Lawyers
Frequently Asked Questions
Who is the best personal injury lawyer in Ontario, CA?
Banderas Law ranks first on this list. The firm has recovered $1.85 million for a premises liability client, serves four Southern California counties and works with clients in English and Spanish.
How long do I have to file an injury claim in California?
Most injury claims must be filed within two years. For medical malpractice, you have one year from when you discover the harm and no more than three years from the injury. For claims against a city or county, you must file a written claim within six months.
How soon should I report a work injury?
Tell your employer in writing within 30 days. If you wait longer, you could lose your workers’ comp benefits.
Is there a deadline for childhood sexual abuse claims in California?
For abuse that happened on or after January 1, 2024, California removed the filing deadline. Older claims must be filed by age 40 or within five years of discovering the harm.
What does a personal injury lawyer cost?
Most injury lawyers work on contingency. You pay nothing up front, and the fee comes out of the money the case recovers.