Last Revised: March 2026
This Cookie Notice describes the different types of cookies and similar technologies that may be applied on www.wtwco.com and, where relevant, on other Willis Towers Watson websites that link to this Cookie Notice (the "Sites").
Cookies are small text files that a website transfers to your hard drive to store and sometimes collect information about your usage of websites, such as time spent on the Sites, pages visited, language preferences, and other traffic data. We use the information for security purposes, to facilitate navigation, to display information more effectively, to personalize your experience while using the Sites and to recognize your computer in order to assist your use of the Sites. We also gather statistical information about use of the Sites in order to improve their design and functionality, understand how they are used and assist us with resolving questions regarding them.
There are different types of cookies, for example:
Below we list the different types of cookies and similar technologies that may be used on the Sites. Where we use third party cookies, we provide a link to the third party's cookie policy.
To the extent any Personal Information (which is information that identifies you as an individual or relates to an identifiable individual) is collected through cookies, our Privacy Notice applies and supplements this Cookie Notice.
Required Cookies. Required cookies enable you to navigate the Sites and to use their services and features. Without these necessary cookies and similar technologies, the Sites will not perform as smoothly for you as we would like them to and we may not be able to provide the Sites or certain services or features.
| Cookie Name | Description of Purpose | Persistent or Session | 1st or 3rd Party |
|---|---|---|---|
| auth0 | Used to implement the Auth0 session layer. | PERSISTENT | 3rd Party |
| auth0_compat | Fallback cookie for single sign-on on browsers that don’t support the sameSite=None attribute. |
PERSISTENT | 3rd Party |
| did | Device identification for attack protection. | PERSISTENT | 3rd Party |
| did_compat | Fallback cookie for anomaly detection on browsers that don’t support the sameSite=None attribute. |
PERSISTENT | 3rd Party |
| ASLBSA | Microsoft App Service and Front Door Affinity cookie that directs browsers to the appropriate backend server.See: ASLBSA | SESSION | 3rd Party |
| ASLBSACORS | Microsoft App Service and Front Door Affinity CORS cookie that directs browsers to the appropriate backend server for cross-origin requests. See: ASLBSACORS | SESSION | 3rd Party |
| _cf_bm | Cloudflare's bot management cookie that verifies requests are from legitimate users by detecting and blocking automated bot traffic. See: _cf_bm | PERSISTENT | 3rd Party |
You have the right to choose whether or not to accept cookies. You can control the way in which cookies are used by altering your browser settings. You may refuse to accept cookies by activating the setting on your browser that allows you to reject cookies. Information about the procedure to follow in order to enable or disable cookies can be found on your Internet browser provider's website via your help screen. You can change your cookies using the cookie preference manager tool available via a link on our Sites.
However, if you choose not to accept cookies, this may affect the functioning of our Sites.
If you are using a mobile device, you can limit interest-based advertising on your device by adjusting the settings provided by your device manufacturer, such as "Limit Ad Tracking" for iOS or "Opt-out of interest-based ads" for Android.
To find out more about cookies, including how to see what cookies have been set and how to manage and delete them, visit www.aboutcookies.org, www.allaboutcookies.org, or www.youronlinechoices.eu.
We may change this Cookie Notice from time to time. Please take a look at the "Last Revised" legend at the top of this page to see when this Cookie Notice was last revised. If we make significant changes to this Cookie Notice, we will notify you of changes when you next visit any of our Sites.
If you have any questions or comments regarding this Cookie Notice, please contact us by email at privacy@wtwco.com, or write to the Global Privacy Office at: (i) The Willis Building, 51 Lime St, London EC3M 7DQ, United Kingdom; or (ii) 800 North Glebe Rd., Arlington, Virginia, 22203, United States.