add a Contact Us form anywhere in Magento

Magento includes contact form functionality by default. You can add a contact form on any page.

All you need to do is:

-> Log in to the admin area.
-> Go to CMS > Manage Pages.
-> Create a new cotact us page.

Paste the following code in the content area:

{{block type='core/template' name='contactForm' template='contacts/form.phtml'}}

Save the changes and the contact form will appear on the desired page.