A good SEO expert should have years of experience managing various complex projects in different sectors. They must be well-versed in all three aspects of SEO: technical, on-page, and off-page SEO. When choosing an SEO consultant, consider their approach and whether they are interested in learning about your company and competitors. Check to see if their approach follows a proper workflow, beginning with competitor analysis and progressing to site audit, keyword research, and so on. Furthermore, if an SEO consultant lacks marketing knowledge, he may fail to deliver the desired results.