Brown Brothers Harriman & Co generally provides investment advice and services to clients who have opened an account with them. This means that, typically, personalized investment advice is tied to having an established relationship through an account. However, they may offer general investment insights and educational resources through their website or public publications, which can be useful for individuals looking to enhance their understanding of investment strategies without committing to an account. It is important to keep in mind that investment advice tailored to specific situations usually requires a more formal relationship. For more detailed information, individuals may want to explore the resources available on the Brown Brothers Harriman website, where they may find articles and insights that can aid in their decision-making process. It is always a good idea to review any available public information to gain knowledge on various investment approaches.