For Legal Clients

Obtain Insight and Perspective on the Most Difficult Factual Research Questions

Contact HAI to Get Started

Facts are at the foundation of almost every legal matter.

New call-to-action

You require responsive, experienced experts who can successfully reconstruct the historical fact record and respond to research and analytical requests with efficiency and discretion.

HAI is a nationally-recognized research and analysis consultancy with expertise spanning multiple subject matters and topics. Our team prides itself on delivering insight and perspective on the most difficult factual research questions.

Since inception in 1981, we have successfully completed more than 1,300 historical research investigations, helping our clients obtain significant legal judgments.  We have unsurpassed knowledge of federal, state, and local records systems and expertise conducting research around the globe in a wide variety of archives, libraries, government offices, and private record collections.

Our knowledge of history gives us the framework to know what information to look for in non-digitized record collections while also employing cutting-edge tools to help bolster your case or reduce the likelihood that opposing counsel will produce surprises later.

We offer support throughout the entire legal process. Our experienced historians draft targeted FOIA and FOIL requests; assist in pretrial motions and discovery requests; analyze historical materials provided by opposing parties, experts, and eyewitnesses; and serve as authoritative expert witnesses and Rule 30(B)(6) corporate representatives.

Our areas of expertise include:

  • PRP Searches and CERCLA cost recovery
  • Product liability and toxic torts research
  • Corporate succession/corporate genealogy
  • State of knowledge investigations
  • Insurance recovery research
  • Government contract searches
  • Land use, watershed, and site histories
  • Nuclear industry histories
  • Historic tradition of gun laws
  • Holocaust and looted art investigations
  • Native American rights disputes
  • Water rights and coastal erosion disputes
  • Forensic environmental investigations
  • Intellectual property investigations
  • Legislative and regulatory history
  • Manufactured gas plant (MGP) issues
  • Slavery disclosure research
  • Climate change research

Featured Content

No post was found with your current grid settings. You should verify if you have posts inside the current selected post type(s) and if the meta key filter is not too much restrictive.

of the Top 10 Law Firms in the nation included in our portfolio


forensic environmental investigations related to CERCLA/Superfund cost recovery


of the Top 50 Law Firms in the nation included in our portfolio


recovered in CERCLA response costs from federal government

Featured Blog Posts