This document discusses how to evolve functional service provider (FSP) relationships to achieve maximum returns. It covers how the pharmaceutical industry has been impacted by mergers, acquisitions, and the race for COVID vaccines and treatments. FSP models offer flexibility to scale resources as needed. Cross-functional FSP engagements can provide efficiencies through established relationships and expertise. A case study shows how one FSP relationship evolved over time. IR35 legislation in the UK impacts contractors, but FSP partners can help ensure compliance. The key messages are maximizing FSP advantages through scalability, innovative solutions, cross-functional work, and evolving relationships.