Cookie policy

A cookie is a small file, typically of letters and numbers that is automatically downloaded on to your device when you access our website. The file is stored in your web browser’s temporary files folder.


Cookies enable you to use our sites, help to personalise your experience and allow us to recognise your computer, smartphone or portable device.

You can change your cookie settings at any time by clicking the text below.


This Cookies Policy covers our website ‘’. It does not apply to any other websites that may be linked to our website.



Cookies are small text files placed on your computer or device by websites that you visit. They are widely used in order to help websites to work more efficiently and to provide statistical information to the website administrator.


Cookies will collect information about your IP address, operating system, duration of session and browser type.


We may use cookies to remember your settings when you visit our website, but neither Google nor us can identify you from cookie information alone.


Most of our cookies are automatically deleted from your computer when you leave our website or shortly thereafter.


Cookies are not harmful to you or your computer and do not allow us to access your computer.


For further information on cookies, visit


Cookies that we have set




pwfcontAnalytics, pwfcookiesOK

Used to determine if analytical tracking is allowed by the user.

1 year


This cookie is integral to the site which will not operate correctly without it.


Cookies set by Google Analytics

These cookies collect anonymous information about how visitors use a website, for instance, which pages are visited most often or if they get error messages from web pages.


These cookies don’t collect information that identify a visitor apart from the IP address. Our Google Analytics settings will anonymise your IP address as soon as it is received by Google Analytics to prevent it being used to identify you.


Information from cookies is aggregated and therefore anonymous. It is only used to improve how our website works.


We do not control the use of these cookies and you should check Google’s privacy policy if you have any concerns. Google stores the information collected by Google Analytics on servers in the United States of America in accordance with its privacy practices.






Determines unique visitors

This cookie is typically written to your browser on the first visit to our site from that web browser. If the cookie has been deleted by you and you subsequently visit our site, a new __utma cookie is written with a different unique ID. This cookie is used to determine unique visitors to our site and it is updated with each page view. Additionally, this cookie is provided with a unique ID that Google Analytics uses to ensure both the validity and accessibility of the cookie as an extra security measure.

26 months


Determines the referral route used by you to reach our site

This cookie stores the referral route used by you to reach our site, whether via a direct method, a referring link, a website search, or a campaign such as an ad or an email link. It is used to calculate search engine traffic, ad campaigns and page navigation within our own site. The cookie is updated with each page view to our site.

26 months



What can I do to manage cookies stored on my computer or phone?

You can accept or refuse cookies. Accepting cookies is usually the best way to make sure you get the best from a website.


Most PCs automatically accept them but you can change your browser settings to restrict, block or delete cookies if you want. 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. Many browsers have universal privacy settings for you to choose from.


Please be aware that changing cookie preferences may adversely affect your browsing experience and could mean that certain parts of our website do not work.



Your choice – Opt out?

You can opt out of being tracked by Google Analytics across all websites by visiting the Google site

Our offices


+44 20 7831 7929

Bedford House, John Street, London, WC1N 2BF, United Kingdom


+44 20 7831 7929

Suite 3.05, Platform, New Station Street, Leeds, LS1 4JB, United Kingdom


+44 20 7831 7929

Generator Hub, The Gallery, Kings Wharf, The Quay, Exeter, EX2 4AN, United Kingdom


+49 89 5150 5800

Widenmayerstr. 10, D-80538 München, Germany