Cookies on our website

We use cookies on our website. To learn more about cookies, how we use them on our site and how to change your cookie settings please view our cookie policy.

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Cookies are small text files that are downloaded to your device by websites you visit. They are widely used in order to make websites work, or work more efficiently, as well as to provide information to the owners of the website. We use different types of cookies for different things, such as:
  • Analysing how you use the website
  • Giving you a better, more personalised experience (showing content relevant to you and your location)
  • Analysing how you interact with our website after we’ve emailed you
  • Analysing the effectiveness of our interactive content such as videos and podcasts

We have listed the cookies that we use on the Allen & Overy website and what each is used for below. To switch these cookies off please follow the instructions under Changing cookie settings in your browser below.

You can find more information about cookies at

Necessary cookies


Cookie name Purpose Expiry
EUCookie This cookie controls the cookie pop-up notice on our website.  The notice will appear the first time you visit our website and reappear one year later, when it expires.  It will also reappear if the cookie is deleted. 1 year

Analytics cookies

These help us to improve our website by collecting and reporting information on how you use it.

Cookie name Purpose Expiry
nmstat We use a tool called Siteimprove to collect statistics about your use of the website, such as page visits and referring website using a randomly generated ID to recognize your browser when you read a page. 1000 days
Universal Analytics (Google):








These cookies are used to collect information about how visitors use our website. They distinguish users on the website by assigning a randomly generated number as an identifier. They collect information on the number of visitors to the website, whether they are unique or returning visitors, the pages visited, the length of time spent on the website and how the visitor reaches the website (e.g. a search engine result, social post or direct link). The user data provided to A&O is aggregated and therefore anonymous. _ga/utma: 2 years

_gid/ dc_gtm: 24 hours

_utmb: 30 minutes

_utmc: when you close your browser session

_utmt: 10 minutes

_utmz: 6 months


Third party cookies

Our video content is hosted on third party websites (YouTube and IBM). In order to remove these cookies you will need to visit the third party websites and follow the instructions in their cookie notices. Alternatively, follow the instructions under Changing cookie settings in your browser below.

Cookie name Purpose Expiry
YSC If you view a video on our website which is hosted on the YouTube platform, this cookie will be used by YouTube to anonymously track views of that video.

Opt-out of YouTube cookies here.
Please refer to YouTube's cookie information.
PHPSESSID`, `ustream-guest` If you view a video on our website which is hosted on the IBM video platform, this cookie will be used by IBM to anonymously track views of that video.

For more information please see IBM's cookie policy.
When you close your browser
When you visit our website from an Allen & Overy sponsored campaign on Linkedin this cookie is set by LinkedIn and stores a unique LinkedIn user ID. This cookie enables us to see how many clicks or visits our content has from LinkedIn.

For more information please see LinkedIn's cookie policy
90 days

Tracking cookies

If you click on a link in a marketing email from Allen & Overy, the cookies listed below will be placed on your device for the purposes outlined below.

Cookie name Purpose Expiry

Vuture intEmailHistoryId

These cookies tell us whether you read the emails and other materials, such as legal publications, that we send to you, click on the links to the information that we include in them and whether and how you visit our website after you click on that link (immediately and on future visits). The cookies record this activity against your email address. comms.allenovery.com_VxSessionId and Vuture ASPSESSIONID: when you close your browser

Vuture intEmailHistoryId: 1 year

Changing cookie settings in your browser

For information on how to disable and/or clear cookies, including third-party cookies, on your device please follow the instructions in the links below:

More information on managing your cookie settings can be found at


If you need further information or have any questions or complaints about our cookies policy, please contact our Head of Data Privacy using the details below:

Jennifer Brannigan
Head of Data Privacy
Allen & Overy LLP
68 Donegall Quay
Northern Ireland

Tel:     +44 (0) 28 9060 7500  

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