Mystery Research

We carry out mystery research projects for you, such as mystery shopping, customer surveys, mystery calls, test travelling, store checks and other quality tests – tailored to the specific needs of your company.



This website was designed in compliance with international guidelines for accessibility (WCAG 2.0) of the W3C, as well as the German BITV.

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This website, its layout and its content should be viewable with all common browsers, including older versions.

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Navigating without your mouse (i.e. via your keyboard)

Not everyone is able or willing to use the mouse, therefore you can navigate this site using only your keyboard.

Unfortunately not all browsers are operated in the same way. Please consult your browser's help menu regarding this matter.

We can simply provide you with brief information for the most common browsers like Internet Explorer, Firefox, Opera and Safari.

Access Interactive Elements

Interactive elements (links, input fields, monitoring elements) can be logically accessed using simple keyboard commands.

The activated element is highlighted.

For common browsers the following shortcuts:

Firefox, Internet Explorer and Safari

Jump down: [Tab]

Jump up: [Shift]+[Tab]


Jump down: [Shift]+[Down arrow key]

Jump up: [Shift]+[Up arrow key]

Jump to important parts of the website

You can jump to important parts of the website by using shortcuts.

The shortcuts used on this website are:

T Return to Top (Top)
S Skip Navigation Menu (Skip)
0 Home
1 Help
6 Sitemap
9 Contact

For common browsers:


[Alt]+[Shift]+ Shortcut

Internet Explorer:

[Alt]+Shortcut then [Enter] to complete action.


[Shift]+[Esc] then release [Esc] and press Shortcut

Safari V.2.0 and higher:


Navigation within the website

You can access the Sitemap via the central navigation bar at the very top, or by using the shortcut "6". Here you will receive an overview of the content and structure of the website.

On every page you will find a "breadcrumb" menu. For instance:
You are here: Start >> ADVANTAGES >> Frequently Asked Questions This indicates where the current page is located in relation to the other pages.

Printing of Pages

All pages can be printed using the print dialogue of your browser. This will print only content, no navigational, control, or design elements.

The content is optimized for portrait page format

Font size

The font size can be scaled through settings in your browser. How? This varies from browser to browser. In most browsers, under "view" in the menu you will find "zoom" or "font size".

Otherwise consult your browser's help menu.


All links pointing to content within the website are opened in the same window. They are symbolized by the following: Symbol für internen Link
All links pointing to external web sites open in a new window. They are symbolized by the following: Symbol für externen Link
All links are underlined and are highlighted upon mouse over or on focus.


We do not use JavaScript on our website. All features of this website can be used without having to activate JavaScript.