Provider of consulting and research services to small and midsized clients. The company's consultants and researchers typically handle day-to-day research requests in three hours or less. Guideline offers strategic consulting and research services that cover more in-depth issues such as industry studies and market surveys. The Guideline Group subsidiary offers traditional market research and consumer survey services, and its Product Development Intelligence unit provides technology market research. Guideline is a subsidiary of information services giant infoGROUP (formerly infoUSA).