Expert Witness Services

Providing Clarity and Authority in Legal Disputes

Are you in need of reliable and credible support in your legal case? As one of the leading providers of Expert Witness services, we pride ourselves on offering our clients a team of trusted, highly qualified experts with a diverse range of expertise. They are equipped to help you obtain, understand, and utilize all the available evidence to strengthen legal cases.


Judge Gavel in front of a white background.

What do ESI’s Expert Witnesses Offer?

Technical Expertise

Our goal at ESI is to help our clients acquire and employ all the available information in a case. ESI’s experts are adept at evidence retrieval, analysis, preservation, and presentation.

Written Reports

ESI’s experts provide the highest quality written reports that clearly and succinctly explain complex evidence and industry standards to both legal teams and a court of law. Expert reports are based on thorough research and investigations and are meticulously reviewed to ensure accuracy and reliability.

Testifying Experts

Drawing on decades of specialized knowledge and expertise, our team of Expert Witnesses offers credible, impartial testimony based on well-founded opinions during depositions or trials.


As leaders in digital evidence, our team understands the significance of eDiscovery in modern litigation. Through our partnership with Indexed I/O, we provide eDiscovery services to help your firm cut costs, review data faster, and improve accuracy. Services include data processing and preservation, data review and analysis, data production and presentation, and more!

Password Cracking

Our digital forensics team provides cutting-edge mobile passcode-breaking services that can break 85% of 4-digit codes in 3 days, and 85% of 6-digit codes in 9 days.

Speaking Engagements

Our Experts are passionate about their respective fields and enjoy teaching attorneys valuable insights and skills useful in litigation. We serve as faculty for continuing legal education seminars for attorneys across the country.

Why Choose ESI’s Expert Witness Services?

Unparalleled Expertise

ESI boasts a team of seasoned professionals with a combined expertise of over two centuries. Our Expert Witnesses possess extensive knowledge and have the exceptional ability to explain complex information in their respective fields.

Reputable and Trustworthy

Integrity, Credibility, and Confidentiality are just a few of the pillars that ESI was built on. Our experts are respected in their fields and possess an unwavering commitment to providing accurate, objective, and reliable opinions.

Clear and Credible Testimony

Decades of experience make our experts adept at evidence retrieval and analysis, but what truly sets ESI experts apart is their ability to explain complex evidence in a manner that is easily understood by legal teams, judges, and juries.

Tailored Solutions

We understand that every case is unique, and our expert services are tailored to meet your specific needs. Our elite support staff is ready to assist with any questions or concerns.

Expert Witness Services are available across the United States: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, and Wyoming as well as the District of Columbia, Puerto Rico.
We also provide expert services in Canada and Internationally.

Evidence in Plain English! Contact us Today.