Expert Witness

Educate the Decision-makers

We save you time, eliminate surprises, and take the risk of finding and managing the best expert on us.

Consultative Expert Services Trusted By The Top Firms And Litigators

Through nearly thirty years of work with the world’s most influential attorneys and firms, we have earned a reputation for delivering the best-aligned experts across industries for any complex commercial litigation matter. Whether you need an expert for ITC investigations, antitrust litigation, securities litigation, patent litigation, or patent portfolio reviews, our professionals know the subject matter authorities and networks across every industry and discipline. Let us help you secure the conflict-free expert best-aligned to your specifications, and ensure your engagement with the expert runs smoothly and with budget certainty.

IMS is the nation’s leading provider of trial and expert services for complex litigation. Our clients have exclusive access to the only fully-integrated portfolio of expertise and tools needed for trial.

The sharpest teams in commercial litigation trust IMS.

“I have been very pleased with the experts you have provided, and will advocate that we use your services again.”

IP Boutique Firm
Senior Partner

“Your expert's findings aided us in properly evaluating the case, which in turn assisted us in reaching an agreeable settlement of the matter. We were very pleased with the expert's capabilities.”

Am Law 200 Firm

“I have used IMS on several projects and have been very impressed with their responsiveness and the quality and depth of the potential experts that they have been able to locate to assist us in a wide range of litigation matters.”

Am Law 100 Firm

“I was very impressed with your approach and attention to my needs. You brought me top, non-conflicted experts, in a very narrow field that is rife with conflict issues, in a short period of time.”

Am Law 200 Firm
Litigation Managing Partner

“I was most impressed by how responsive you were.”

Am Law 100 Firm
Class Action & Securities Litigation Co-Chair

“Out of the several expert search firms I contacted for this search, there is no comparison as to quality of service and results I received from your firm. You all have done excellent work and I really appreciate it.”

Am Law 100 Firm

“It was a very good call to use your services to find such a focused expert for this case, and I am grateful for your services. Nice work!!”

Boutique Firm

“We've been working with several other expert companies, and I just have to let you know that you guys have FAR AND AWAY been the superior service in ALL aspects. We know that this was a narrow area of expertise, and the others had people call us out of the blue, that weren't remotely close to what we were looking for. This was my first time finding experts this way, and you guys have made my job really easy. Next time, I'll just have to make one call!”

Am Law 100 Firm

“I have found that using IMS provides me with a spectrum of potential industry or subject matter experts that my clients have not thought of. I have found several excellent testifying experts through you.”

Am Law 100 Firm

The IMS Experience

As pioneers of the industry we have developed proprietary methods to find the best experts and deliver the best service to our clients, the world’s most influential attorneys and law firms. We find experts who advise, consult and testify on complex matters in any industry and every discipline. We are there for our clients from the start of an expert need through the end of their expert engagement. Between expert needs we provide exclusive industry insights and context to keep our clients ahead of challenges their clients may face.


We are confident in our ability to deliver, so we put the risk of finding the best expert on us. For our clients, initiating an expert search is free.

When you contact IMS you will speak to an IMS representative within the hour during our business operations. Together, with our team dedicated to finding you the best expert, we will discuss your specifications and requirements of your matter and expert needs.

Through our proprietary research methods and network of elite experts that we have developed for over 25 years, we will scour the globe leaving no stone unturned to find you the best talent.


Our team conducts a rigorous vetting process and evaluates experts to ensure that their experience and disposition aligns with your specification. We check beyond what’s on paper and dive deep to consider other variables; such as, personality, history, bias, and other important details your matter may call for.

We present you with vetted and conflict-free experts and help facilitate interviews for you to select your choice expert or experts for engagement.

Working with IMS you will have budget certainty. For our clients there are no upfront fees or retainers. Prior to engagement there is an hourly rate agreed upon that will include all IMS fees within the engaged experts’ rates.


Once you have selected an expert, we ensure that there are no surprises and provide on-going services to manage the relationship between you and the expert throughout the entire engagement.


For nearly thirty years, we have worked with experts and lawyers to make the complex understandable and persuasive, and even the best experts can become better presenters by working with our integrated team. Our Strategy Advisors can work with you and your experts to formulate the best strategy for structuring reports and trial testimony. Our Jury Consulting team can assist with witnesses’ preparation so they can communicate their opinions clearly. Our Graphic Designers can create graphics and animations, for the report and for trial, that will assist the witnesses in teaching and persuading fact finders. Our Trial Technicians can seamlessly incorporate basic educational tools and techniques into the experts’ trial testimony.

You will have a dedicated Client Manager available at any time to answer your questions.

Our team handles the administrative and billing tasks, so that the expert can focus on their expertise and you can focus providing unparalleled counsel to your clients.

We specialize in finding and delivering expertise in
any industry or practice area.

Don’t see your industry of interest below?
Reach out to us and we’ll work with you to find an expert suited to your needs.

Industry by

Questions? Check Out Our FAQ

Get the best expert

Fill out the form and one of our team members will be in touch with you shortly. Or, you can call or email us directly.