There are all kinds of packages offered, as well as a deeply customized solution for each business interested in SEO services. There’s no such thing as a general price because each business has different needs.
The consultant’s experience is one of the factors that could affect the price. At the same time, your niche is just as important. There are certain niches that require your business presence, making the SEO process easier.
But at the same time, there are also saturated industries with tough competition. The size of your company is another defining factor in the price, which varies widely.