Join is an integrated platform designed for collaborative preconstruction and design-phase management that brings together contractors, owners, design teams, and trades to enhance transparency regarding costs, timelines, and design through a single interface. By centralizing decisions, cost information, and communication among stakeholders in real time, it empowers users to visualize cost trends through quick reporting, maintain a history of decisions and assignments, evaluate cost and design alternatives alongside one another, and manage project risks, contingencies, and allowances without relying on fragmented emails or spreadsheets. Engineered to accommodate a multitude of decisions for each project, Join ensures that design concepts align with preconstruction milestones, aiding teams in achieving their budgetary, scheduling, and visionary objectives. Its intuitive dashboard is versatile enough to adapt to various workflows, including Design-Build, CMAR, IPD, IFOA, and TVD, while providing executives with overviews that facilitate portfolio management, accurate future job estimations, risk reduction, and performance evaluation. The platform not only enhances collaborative efforts but also streamlines the decision-making process for all involved parties, thereby fostering a more cohesive project environment.