The cost of contractor SEO can vary depending on the scope of the project, the competitiveness of the industry, and the level of service needed. On average, contractors can expect to pay anywhere from $500 to $5,000 per month. Some SEO agencies offer fixed-price packages, while others charge hourly rates or project-based fees. It’s essential to consider factors like keyword research, content creation, link-building efforts, and ongoing optimization when determining the price.