Ways of adding value to generic information are shown in Table 1. Information is perishable. A second aspect of improving the service to your customers is to broaden their scope. Look beyond the normal services of a library. Can you organise events around specific themes with outside speakers.
Technology can also play an important part.
It lets you reach more users effectively, and can reduce your information handling time. Figure 1 shows a framework of the options to consider for broadening the scope of services offered. You need to package your activities as a set of products that are unique and distinctive. Articulate what this uniqueness is. An example might be your knowledge and access to sources, that lets you offer 'one-stop shopping'.