This article addresses the compensation management challenges faced by National Carwash Solutions (NCS), a U.S.-Canada workforce of over 1,500 employees assembled through more than 20 acquisitions over eight years. The author's central argument is that transitioning from manual spreadsheet-based compensation processes to 15Five's Compensation module (powered by Comprehensive.io) resolved systemic inefficiencies, reduced compensation bias, and improved pay equity. Key evidence presented includes a self-reported tenfold increase in administrative efficiency, elimination of at least eight hours of manual work per compensation cycle, and the implementation of automated merit logic linking performance ratings to comp-ratio-based pay recommendations. The article further describes a last-minute failure of a prior HRIS compensation module, which precipitated the switch to 15Five. Conclusions drawn emphasize improvements in managerial confidence, real-time equity auditing, and the reduction of unconscious bias in pay decisions. All findings are drawn exclusively from HR Manager Allie Jensen's testimony and are presented in a vendor-authored promotional format, with no third-party corroboration or comparative data provided. Key insights: NCS's multi-acquisition growth strategy created a fragmented compensation infrastructure that manual spreadsheet processes could not adequately govern, introducing data security and accuracy risks during sensitive pay cycles. Automating merit recommendations through a system that links performance ratings to comp-ratio logic shifted managerial decision-making from discretionary to structured, which NCS reports reduced inconsistency and potential bias in pay outcomes. A last-minute failure of an incumbent HRIS compensation module — discovered the night before a cycle launch — highlights the operational risk of relying on integrated HRIS compensation features without pre-launch capability validation. Practical takeaways: Organizations managing compensation across fragmented, multi-acquisition workforces may encounter structural inconsistencies in pay logic that spreadsheet-based or generic HRIS modules are unable to resolve without dedicated compensation tooling. Linking performance rating data directly to compensation band positioning within a compensation platform is described by NCS as a mechanism for surfacing outlier pay decisions for HR review, enabling real-time equity auditing.