The SEO companies will fool you by claiming to give you the 1st rank on the SERP, but that is practically not so easy. Hiring SEO services can undoubtedly revive your dying business and take it to greater heights. If the tide flows in your favor, you may also get the 1st rank on Google. But there’s no guarantee to it.
No SEO reseller, company, or service provider can guarantee you the top rank on the SERP, but it can improve the same to a great extent.