CEO of DH SEO Services in New York. Our SEO consultants provide highly specialized consulting and implementation services for companies across 15 industries. Each SEO consultant is assigned an industry he/she is very familiar with, with a minimum of 5 years of industry experience. We also developed our proprietary competitive research software for SEO and digital advertising campaigns. Our offices for SEO services are in Manhattan, NY, Brooklyn, Long Island, Staten Island, and Northern New Jersey in Montclair and Hoboken. In March 2018, we will be offering SEO consulting services in Los Angeles, CA as well as either Chicago or Minneapolis.