Nationwide Coverage

0207 112 8767


If you are reading this, then you care about privacy – and your privacy is very important to us. Cookies are an important part of almost all online companies these days, and this page describes what they are, how we use them, what data they collect, and most importantly, how you can change your browser settings to turn them off. Bison security website uses cookies to distinguish you from other users of our website. This helps Bison team to deliver you with a good experience when you browse the web page and also allows us to improve our site.



  • A cookie is a file containing an identifier (a string of letters and numbers) that is sent by a web server to a web browser and is stored by the browser. The identifier is then sent back to the server each time the browser requests a page from the server.
  • Cookies may be either “persistent” cookies or “session” cookies: a persistent cookie will be stored by a web browser and will remain valid until its set expiry date unless deleted by the user before the expiry date; a session cookie, on the other hand, will expire at the end of the user session, when the web browser is closed.
  • Cookies do not typically contain any information that personally identifies a user, but personal information that we store about you may be linked to the information stored in and obtained from cookies.


We use cookies for the following purposes:

  • Identification – We use cookies to identify you when you visit our website and as you navigate our website (cookies used for this purpose are: persistent_login)
  • Status – We use cookies to help us to determine if you are logged into our website (cookies used for this purpose are:  PHPSESSID, _ga, _gid)
  • Advertising – We use cookies to help us to display advertisements that will be relevant to you (cookies used for this purpose are:  Google Adwords)
  • Analysis – We use cookies to help us to analyse the use and performance of our website and services (cookies used for this purpose are:  Google Analytics)
  • Cookie consent – We use cookies to store your preferences in relation to the use of cookies more generally (cookies used for this purpose are: cookie_consent).


Our service providers use cookies and those cookies may be stored on your computer when you visit our website.

  • We use Google Analytics to analyse the use of our website. Google Analytics gathers information about website use by means of cookies. The information gathered relating to our website is used to create reports about the use of our website. Google’s privacy policy is available at


Most browsers allow you to refuse to accept cookies and to delete cookies. The methods for doing so vary from browser to browser, and from version to version. You can, however, obtain up-to-date information about blocking and deleting cookies via these links:

  • (Chrome);
  •  (Firefox);
  •  (Opera);
  •  (Internet Explorer);
  • (Safari);
  •   (Edge).


Blocking all cookies will have a negative impact upon the usability of many websites. If you block cookies, you will not be able to use all the features on our website.


This page is one part of our broader Data, Privacy, and Cookie policy. You can opt-out of emails at any time by visiting emailing, or by clicking the ‘unsubscribe’ link on the footer of any of our emails.


If you are still looking for more information then you can email us through our preferred contact method:

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