This text is for the Honors section of BCOM301 at Fort Hays State University. Business Communication: A Competency-Based Approach to Writing, Speaking, and Research is a practical, engaging book designed to help undergraduate students and business professionals develop competence and build confidence in their business writing, research, and presentation skills. Readers will learn about the five core competencies of business communication: professional, clear, concise, evidence-driven, and persuasive. They also will learn strategies for applying each of these competencies across a range of real-world business documents. This text is a remixing of the following four OER textbooks and original content authored by Rose Helens-Hart: Lucas, K.; Rawlins,J. D., & Haugen, J. (2023). Business communication: Five core competencies. https://saalck.pressbooks.pub/bcomm/Cruthers, A. (2020). Business writing for everyone. https://kpu.pressbooks.pub/businesswriting/[Author name removed by request] Business communication for success. https://open.lib.umn.edu/businesscommunication/Helens-Hart, R. & Dolechek, R. (2022). Introduction to professional development: A business communication approach. https://fhsu.pressbooks.pub/profdev/