Agencies and professional services firms operate on a different rhythm than product teams or construction companies. Their work is often project-based, client-facing, and billed by the hour. Resource utilization directly affects profitability. When LiquidPlanner Classic retires in 2026, these firms need a replacement that handles client billing, resource forecasting, and multi-project scheduling without forcing a complete rebuild of their operational workflow. A digital agency managing ten client accounts simultaneously needs to see which designers are available next week, which projects are at risk of overrunning budgets, and how a new client brief will affect existing commitments.

For agencies, resource management is the make-or-break feature. The replacement should offer capacity planning views that show billable and non-billable time, alert managers when a team member is assigned to conflicting deadlines, and support time tracking for client invoicing. LiquidPlanner’s automatic resource leveling was a key strength; few alternatives replicate it fully. Some tools offer manual leveling with visual heatmaps, which may be sufficient for smaller agencies. Reporting requirements are also specific: project profitability, utilization rates, and budget burn-down charts are more important than sprint velocity or burndown metrics. Collaboration features should support client-facing updates—shared dashboards, comment threads, and file attachments that can be exported or shared with stakeholders.

Integrations with accounting and CRM systems matter. Agencies often use tools like Harvest, QuickBooks, or HubSpot. A replacement that connects to these systems reduces double entry and improves billing accuracy. Gantt charts remain useful for client presentations and internal planning, but they should be readable and exportable. The evaluation should include a pilot with an active client project. Test how the tool handles a scope change, a resource conflict, and a billing milestone. Compare the total cost, including migration time and training. A thorough comparison hosted on Medium covers scheduling, workload management, and migration for professional services teams. The right choice for an agency is a tool that balances project visibility, resource control, and client billing without adding unnecessary complexity.