Build a video studio in the office

As a part of marketing activity our company produces webinars twice a month, we also make podcasts for our clients pretty regularly, film customer case studies. etc. We use standard Mic and Mac for all of that and quality of our webinars, podcasts, videos is far from perfect. We would like to arrange a media room in our office and need professional help with getting right sound/video equipment and soundproof. Office is located in Mountain View, CA