Update Website and Company Profile

I have an existing website, company profile/brochure (Powerpoint) and corporate identity (colours, logos, etc). I need the corporate identity to be 'refreshed', the website content expanded, and the company profile updated. Part 1: Website. We have 3 existing sites ([login to view URL], [login to view URL], [login to view URL]). Content on these need to be consolidated in a single site (that will be hosted on [login to view URL]). Outline structure for the new site and basic content is available. The site needs to be modern, simplistic and low maintenance (i.e. statis, with no / little updates required in future) Part 2: Brochure. I have an existing Powerpoint profile (55Mb) that needs to be aligned with the theme of the new website. Content from this profile can also be used on the website. Part 3: 'Refresh' of exisiting corporate identity. Logo stays the same, maybe colour pallet changes slightly. Basic idea is to align new website and brochure with a 'fresh' look.