Redesign of a facility management homepage

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This customer received 41 web designs from 12 designers. They chose this web design from pb as the winning design.
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We need a redesign/an improved design of the facility management homepage (http://www.bhs-mittweida.de/).
This websites offers detailed information on the "About us" as company, the "Services" provided and special information on facility and strata management. We would like to keep the structure of the website.
We need ideas/designs how this website could look more modern and confidential and appealing/pleasant for visitors at the same time and not losing the main purpose of information distribution.
The green color must be used since this is the basic color from our logo.
The blue in the background of the logo ist optional. So feel to use it or not.
We need no coding only design (.psd or as .ai)
Updates
Project Deadline Extended
Added Monday, July 14, 2014
Project Deadline Extended
Added Wednesday, July 16, 2014
Industry/Entity Type
It Company
Look and feel
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