There can be sites and reviews that mention your business in a big negative, and this alone can be a good enough reason to hire an SEO expert. The changes that appeared in September’s Google algorithm update decreased the rank of such sites in SERP. The below article can be considered if you can do it yourself before referring to some expensive search engine management organization.
If you are in the business of SEO, then you might have found your clients unhappy and to maintain your good record online you also might have refunded them. You can gain experience from those arguments with your customers and I know they say customers are always right but sometimes they aren’t and the threat of one negative review can damage your reputation which can also cost you a fortune if your business is well-established.
After providing services, a single phone call or seeing and asking your customer about his/her satisfaction can help you learn what you lack. It is better if a person with higher designation do the talking because customers feel comfortable in talking about the staff with people of managerial level.
Mentioning your business online on sites that are in the top twenty list of Google can also help you remove some negative remarks, but the ratings cannot be touched. So, you can even pay people for reviews but keeping it verbal is better than written because if someone reports such activity, it can result in a reduction of rank.
You can also read about How Does Credibility Of Site Lure Search Engines To Rank Your Page.