Skip to content Skip to navigation menu
Your browser is not supported by this site.
Please update to the latest version, or use a different browser for the best experience.

Company Investigator

The reliable, comprehensive view of private and public companies, right where you need it.

Company Investigator

Free trial Or call 1-888-728-7677

Faster and more accessible business intelligence software

Company Investigator on Westlaw consolidates a wealth of business data to
eliminate hours of research while helping you make informed decisions.

Search over 140 million companies
Search over 140
million companies
View corporate family trees
View corporate
family trees
Get automatic alerts
Get automatic
Create custom reports
Create custom

Search over 140 million U.S. and international public and private companies

View business profiles including general corporate information, subsidiary data, legal disputes, secretary of state filings, regulatory filings, and material agreements.

Get graphical views of corporate family trees

Quickly determine business affiliations, then link to business information and expand the relationship display for further review.

Stay notified with
flexible alerts

Set up automatic notifications of new data on companies of interest falling under a wide range of business categories.

Generate customizable company reports

Easily compile a report containing the legal intelligence and business information relevant to your review, such as regulatory filings, financials, docket information, criminal records, and more.

Company Investigator is a
powerful business intelligence tool for:

Business/corporate law attorneys

  • Conduct due diligence on M&A targets
  • Understand peers and competitors
  • Advise clients regarding competition
  • Evaluate potential buyers to ensure financial solidity
  • Completely understand acquisition candidates and eliminate surprises
  • Identify potential "land mines" to mitigate exposure to risk
  • Understand all "current market" agreements (terms/conditions) prior to entering into negotiations


  • Verify relationships between companies and people
  • Find a registered agent for service of process
  • Determine the proper company or party to name in a complaint
  • Identify assets, including subsidiaries and real property
  • Research ownership and pierce the "corporate veil"
  • Determine relationships between companies and key personnel
  • Profile company witnesses and discover grounds for impeachment

Business development

  • Gather business intelligence on companies, potential clients, and individuals prior to the initial meeting
  • Check for conflicts of interest
  • Search for potential new clients in specific industries, filter out the information you don't want, and get what matters to you

Company Investigator content also includes:

  • FEIN records
  • Private company information
  • Profiles of officers and directors
  • Current stock price and trading data
  • Regulatory filings
  • Criminal records
  • Docket records
  • Worldscope company profiles


Even one small act can produce powerful, lasting results. Share your story of how Company Investigator made an impact on your clients or customers. Three Everyday Heroes each year can win the chance to donate $10,000 to a deserving charity.

Find out more and share your story

Related products


Quickly locate relevant information about people and their connections with PeopleMap's deep cross-referencing and smart-linking technology.

PeopleMap details

Court Express

Court Express can promptly retrieve dockets and key documents that are not available online – from anywhere in the country – and perform thorough due-diligence background checks.

Court Express details

Free trial

To sign up for a free trial of Company Investigator, please supply the following information and click Submit. Thank you!

First name*

Last name*

Email address*

Organization name*

Phone number*

Organization type*

Zip code*


Yes, I would like a free trial.