Ei Global B2B Marketing Intelligence | 1,213 followers on LinkedIn. Ei Advisory provides B2B sales and marketing intelligence that helps companies reach, engage and convert customers. | Ei Advisory provides B2B sales and marketing intelligence that helps companies reach, engage and convert customers. Powered by a combination of expert human analysis and our proprietary technology, we serve clients globally from offices in London and New York. To find out how we can help you build trust and relevance in complex markets, get in touch with us via our LinkedIn page or direct at info@ei-a.com