Maintenance and upgrade for a website

I have a website and I need a professional team to do the following scope Note: some of the features already there but not working well so has to do full check on the current codes and website Scope of Work: 1) Make a website as full responsive with phones and tabs 2) Need to be fixed a) Home Page: i) Fix the slide to display the text based on image displayed b) Membership: i) Send automatic message upon successful registration to the member and send email with status as well. ii) Assign Automatic user ID for members 3) Enhance to include new features to [login to view URL] website as the following: a) Home Page: i) Replace Latest conference to be Latest events ii) Develop the website to enable the user to update photo Gallery iii) Develop the website to enable the user to update latest news b) About us: i) Develop the website to enable the user to update board of directors content c) Membership: i) Connect the website with mail chimp to send an Email to all newsletter subscribers to update ETMA membership list. ii) Add paid members capabilities to the website iii) Categorize membership as board of director, coordinator, regular, etc. and each member can has specific capabilities as per administrator. iv) Enable members to print IDs through the website. d) Blog: i) Develop the website to enable the user to update categories and articles e) Develop the website to enable the user to update all events; conferences, Technical Dinner meetings & workshops. f) Library: i) Develop the website to enable the user to add more categories to the library such as; Researches, Technical papers g) Develop the website to enable the user to update information about earth day