The cost of SEO for your website is not always static. It is based on several factors, depending on the scope of the project, the quality of services you choose from and the professional experience of a company.nnRemember that getting SEO services from cheap and inexperienced third-party companies may ruin your website. In contrast, professional and high-quality services may give you better results and long-term support for your website.nnAnd when we talk about professional SEO services, then it usually ranges from £ 249 t0 399 pounds monthly  And if you go for a one full project SEO services, then it can vary from 399 to 699 pounds.