This website is intended to provide general information on the BDO network and the professional services and solutions provided by the BDO member firms around the world.

We gather information from users of this website automatically and when you decide to provide us with information, for example, when you complete a form on This information is treated with confidence, and is only used by BDO as per the terms of the Privacy Statement

We may use "cookies" to keep, and sometimes track, information about you. 


Cookies are small text files which are downloaded to your computer or mobile device when you visit a website or application. Your web browser (such as Internet Explorer, Mozilla Firefox or Google Chrome) then sends these cookies back to the website or application on each subsequent visit so that they can recognise you and remember things like personalised details or user preferences. Cookies do not damage your system. You can reset your browser so as to refuse any cookie or to alert you to when a cookie is being sent.

To improve your experience and to make our service to you better we use cookies for the purposes of system administration and analytics of our website. This gives us information about the number of visitors to different parts of our website.

BDO does not share this data with third parties. Our cookies do not store sensitive information such as your name or address, they simply just enable us to see behaviour on the website to help us improve your experience. However, if you’d prefer to restrict, block or delete cookies from, or any other website, you can use your browser to do this. Each browser is different, so check the ‘Help’ menu of your particular browser (or your mobile phone’s handset manual) to learn how to change your cookie preferences.

How to control my cookies

There are various ways that you can control and manage your cookies which are discussed in a bit more detail below. Please remember that any settings you change will not just affect cookies. These changes will apply to all websites that you visit (unless you choose to block cookies from particular websites).


Managing cookies in my browser

Most modern browsers will allow you to:

  • See what cookies you’ve got and delete them on an individual basis
  • Block third party cookies
  • Block cookies from particular websites
  • Block all cookies from being set
  • Delete all cookies when you close your browser

You should be aware that any preferences will be lost if you delete cookies. This includes where you have opted out from cookies, as this requires an opt-out cookie to be set. Also, if you block cookies completely many websites will not work properly and some functionality on these websites will not work at all.

Managing analytics cookies

It is possible to opt out of having your anonymised browsing activity within websites recorded by analytics cookies. uses Google Analytics and you can opt out of their cookies by visiting the Google Analytics opt-out page. Please note that this will take you to Google Analytic’s website and generate a ‘no thanks’ cookie, which will stop any further cookies being set by those third parties.

Cookie Description Duration Type
__cfduid Set by CloudFare, the website host. The cookie is used to identify individual clients behind a shared IP address and apply security settings on a per-client basis. It does not correspond to any user ID in the web application and does not store any personally identifiable information. 1 month Necessary
ARRAffinity Set by websites run on the Windows Azure cloud platform. It is used for load balancing to make sure the visitor page requests are routed to the same server in any browsing session. Session Necessary
CMSPreferredCulture Stores the visitor's preferred content culture, e.g. en-gb 1 year Necessary
lissc Content sharing buttons for LinkedIn 1 year Functional
lang Used to store the language preferences of a user to serve up content in that stored language the next time user visit the website.   Functional
lidc This is a Microsoft MSN 1st party cookie that ensures the proper functioning of this website. 1 day Functional
We embed videos from our official YouTube channel. This mode may set cookies on your computer once you click on the YouTube video player.

PREF - * Expires after eight months
VSC - * expires at the end of your session
VISITOR_INFO1_LIVE - *expires after eight months
remote_sid - * expires at the end of your session
We embed videos from our official Vimeo channel. When you press play Vimeo will drop third party cookies to enable the the video to play and to collect analytics data such as how long a viewer has watched the video. It does not track individuals.  1 year Functional
__stripe_sid Set by Stripe, the payment processing company, to facilitate payments for BDO Pay. It does not store any personal identifiable information. 1 day Functional
ai_session Set by Microsoft Application Insights part of the Azure cloud platform. It is used to support the service and maintenance of systems. 1 day Functional
ai_user Set by Microsoft Application Insights part of the Azure cloud platform. It is used to support the service and maintenance of systems. 1 year Functional
.AspNetCore.Antiforgery Set by the ASP.NET application to ensure that payments can’t be requested from outside of BDO’s application. 1 day Functional
__stripe_mid Set by Stripe, the payment processing company, to facilitate payments for BDO Pay. It does not store any personal identifiable information. 1 year Functional
CMSCookieLevel Specifies which cookies are allowed by the visitor. 1 year System
CMSPreferredCulture Set by the Kentico CMS to identify the language of the page, stores a language-country code combination. 1 year System
CMSCsrfCookie Store's a security token that the system uses to validate all form data submitted via POST requests. Helps protect against Cross site request forgery. Session System
ASP.NET_SessionId Keeps the user session ID for security reasons. Session System
This cookie name is for Google Universal Analytics. It is used to distinguish unique users by assigning a randomly generated number as a client identifier. It is included in each page request in a site and used to calculate visitor, session and campaign data for the sites analytics reports.  2 years Analytics
_gcl_au This cookie is used by Google AdSense for experimenting with advertisement efficiency across websites using their services 2 months Targeting/Advertising
bcookie This is a Microsoft MSN 1st party cookie for sharing the content of the website via social media. 2 years Targeting/Advertising
UserMatchHistory Linkedin - Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences. 1 month Targeting/Advertising
bscookie This cookie is a browser ID cookie set by Linked share Buttons and ad tags. 2 years Targeting/Advertising
IDE This cookie carries out information about how the end user uses the website and any advertising that the end user may have seen before visiting the said website. 1 year Targeting/Advertising
mc This cookie is associated with Quantserve to track anonymously how a user interact with the website. 1 year Targeting/Advertising




Further information about cookies and how to manage them

If you’d like to learn more about cookies in general and how to manage them, visit*.

*Please note that we can’t be responsible for the content of external websites.