Timeline depends on scope, complexity, and how much data needs to migrate. A HubSpot implementation typically goes live in 6–12 weeks — faster for single-hub deployments, longer when Sales, Marketing, and Service Hubs are rolled out together with integrations. A Dynamics 365 project with custom development and Azure-based integrations usually runs 3–6 months, depending on the number of connected systems and whether ERP is part of the scope. A Bitrix24 deployment can go live in 3–6 weeks for standard configurations. Milestones and deliverables are defined upfront, so at every stage the client knows what has been delivered, what is in review, and what is next.