Hi,
I have gone through your job requirement.
But i want to tell one and main thing, SEO is a technically process. Major search engines like Google, Yahoo regularly updates their search algorithm to update relevant SERP. Thats-why ranking drop down. and every one want to get top 1 posting in SERP thatswhy Google or other search engine makes changes in their algo.
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(Google Search SERP Algorithm Google panda, Google penguin, EMD & Humming bird). Due to these update ranking will shuffle.
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But don't worry about this thing you have option to hire SEO Expert company like us, for long time to manage your business on SERP. because every one want to get on top 1 posting so regularly you need SEO expert to maintain your position on SERP.
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We have qualified team of SEO & PPC experts having 5-10 Yrs of experience & outstanding command over White Hat On-Page, OFF-Page SEO Techniques, Google AdWords Pay per Click Management, Social Media Optimization, Link Building Campaign and other marketing techniques.
Support - Availability on Skype/ Gtalk/Phone
Availability - More than 30 hrs/week
Reports Status - Daily, Weekly, Monthly Reports with Detailed Analysis and Concern Reports.
Please provide me your skype/Gtalk for further discussions in greater details.
Thank You