Hey there,
I can help with giving strategy of following things:
1) What necessary changes we must go on the mandatory basis on our website to make the audience hold on our website. Make it better.
2) Social Media Plan special: Facebook ( what sort of campaign you should plan with an average budget). What should be CPC for ads, audeince segmentation, lead ad form strategy.
Similar organic strategies for google+, Pinterest, Instagram, twitter.
3) Content marketing Strategy Plan: How to plan, platforms to target, suggestive topics of writing, audience segmentation.
4) SEO - ON Page: What all changes should be done over ON page SEO.
5) SEO - OFF Page: What all I suggest particularly for OFF Page SEO strategy for your Website
6) In all summary of what all to do, how much to spend, exp[ected ROI.
Now after this full proof strategy plan you would know what all you have to do so.
This is something best I can help you with above the basic plan.
Let me know. Will wait to hear you back soon..)
Thanks & Regards
Prakriti