Hi,
I have already design and developed many websites. I have read your requirement and I understand that you want to revamp and upgrade existing website incorporating with SEO, SMO, PPC, Social Media, live chat rooms, analytics etc.
I have 12 years experience on this web development fields .
I can help you in your project .
Can you please send me your current website link ?
Looking forward to hear from you.
Thanks & Regards
Mrinal Bhuyan