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Decades of Experience

Reputation for Results

Decades of Experience

Reputation for Results

Our Mission

The Mercaldo Law Firm was established in 1978 with the expressed purpose of representing people who have suffered catastrophic injuries and the surviving families of victims of wrongful death.

For over 30 years the expert staff and experienced trial lawyers of the Mercaldo Law Firm have been involved in the litigation of wrongful death / catastrophic injury and medical malpractice cases. Our reputation for success in the courtroom and obtaining large out-of-court settlements have made us one of the best-known law firms in the Arizona and San Diego areas.

25,000+

SUCCESSFUL CASES

$325M

ON BEHALF OF OUR CLIENTS

30+

YEARS OF EXPERIENCE

We’ll be there to help

When you need it most

If you or a loved one suffered a serious or catastrophic injury due to a motorist’s carelessness, medical negligence or sexual abuse inflicted by a trusted authority figure — if your family is mourning a devastating wrongful death tragedy — The Mercaldo Law Firm is here to help.

Accomplished medical malpractice and personal injury lawyer Ron Mercaldo founded our law firm more than 30 years ago for one reason: to achieve justice for innocent victims of catastrophic loss who are too injured or ill and financially distressed to fend for themselves. Our team still focuses on that mission today.

Our Practice Areas

Medical Malpractice

Personal Injury

Motor Vehicle Accidents

Sexual Abuse

Wrongful Death

Our Team

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Ron Mercaldo

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Marco Mercaldo

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Carlo Mercaldo

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Linda McKenzie

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Dan Shelton

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John Kastner

Advocating for Victims in Arizona & San Diego

We place exclusive focus on, and aggressively advocate for, those whose lives have been permanently altered by undiagnosed terminal illness, missing limbs from highway collisions with distracted drivers of large commercial vehicles, and traumatic brain injury (TBI) after accidents caused by drunk drivers.

We are meticulous in the preparation of every case, careful investigation of your accident and have a reputation as one of the top litigating firms in the southwest. We have handled hundreds of jury trials and wrongful death lawsuits, and have won tens of millions of dollars for our clients.

What clients are saying

“…Marco was a step ahead of them and explained things to my understanding through the whole process. Excellent Law Firm.”


– Client –

“…I could have never done it without the help of Carlo and his colleagues. This team went above and beyond for me; and for that, I am truly grateful.”


– Client –

“Based on my personal experience and the outcome, The Mercaldo Law Firm is at the highest level of professional excellence of Lawyers!”


– Client –

Complimentary Consultation

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