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Thomson ONE

Information on accessing the Thomson ONE database.

About Thomson ONE

Thomson ONE brings together company information from a variety of sources that are produced by Thomson Reuters. This includes company financials and filings, mergers and acquisition data and analyst reports.

You must use Internet Explorer to access the database.
Thomson ONE has a limited number of simultaneous users. If you receive an error message that all IDs are in use, you will have to wait and access the database later.


Access the Database

Click here to access Thomson ONE

Turn off popup blocking when using Thomson ONE. You must use Internet Explorer to access the database.

Thomson ONE is administered by the Booth School of Business and questions on access or what is included in our subscription should be directed to their IT Services Helpdesk

Technical Restrictions on Access

You may need to use IE's Compatibility Mode for full functionality in Thomson ONE.
Microsoft's site explains this for IE 10

Microsoft's site explains this for IE 11

Windows 10 users:

Thomson ONE will not work with Microsoft Edge.
Microsoft's wiki explains how to use Internet Explorer on Windows 10


Accessing the Database on Library Computers

Library computers have been upgraded to Windows 10, which doesn't always show Internet Explorer as an option. You can start IE by following these steps.

  • Hold the Windows key and R. This will bring up the Run box
  • Type iexplore and click OK. This will launch Internet Explorer.

vLab Access is no Longer Available

IT Services retired vLab at the end of 2020. There is no option for Mac users to access the database.