Reporting is the single largest hidden cost in most agencies. The shape of the cost is different by type. The cut that frees the most time is rarely the one owners try first.
Channel specialists
Email, paid, and SEO shops lose the most hours to monthly report assembly. The hours sit with mid-level specialists who could be running another client. The cut: stop hand-assembling decks. Hold one connected reporting view that the client can read and the team can narrate from.
Creative and build
Branding, design, web, and video shops lose hours to milestone and budget reconciliation. The hours sit with senior creatives who hate the work. The cut: reconcile time-to-budget on the live record, not at the end of the project.
Acquisition and broad
Lead gen, demand gen, full-service, and PR shops lose hours to cross-tool roll-ups, often across the client's CRM and their own. The cut: hold one shared client record that both sides can read, instead of reconciling two.
The one cut that always works
Stop pulling reports on a cadence. Run the reporting from the live operating record. The cadence becomes a narration, not an assembly job. That cut alone returns 20 to 40 hours a month in most shops we have audited.