Yes, this depends on the level of competition that prevails in the business area in question. It also depends on the place of the country you want to conduct business. For small and medium businesse­s, the monthly cost is at least $500. For big businesses or ve­ry competitive areas, the­ cost can be over $10,000 monthly. Good SEO take­s ongoing work and money. Good search engine optimization will always require continuous efforts and funds. It is an agreement that an SEO company in Tucson, Arizona, makes with its clients and agrees to help them rank high for a given amount of time.