
Oct 9, 2025
Seven common mistakes undermine sales territory performance. Here's how to spot and fix each with a consistent, auditable process.
Want to optimize your sales territories? Read on for 7 common mistakes we often find in sales territory mapping.
1) Drawing territories by ZIP codes or simple rings
Problem: ZIPs aren't stable polygons and rings ignore real travel time. Fix: build drive-time polygons on the road network and map to ZIPs only for ops reporting.
2) Guessing coverage without drive-time analysis
Problem: equal distance isn't equal accessibility. Fix: size territories with 15-30 minute isochrones and typical conditions.
3) Ignoring account potential and workload
Problem: equal area can mask unequal opportunity. Fix: balance territories by target account counts or population thresholds, not just miles.
4) Mixing data vintages
Problem: quotas and territories drift when datasets are out of sync. Fix: standardize on specific vintages and document sources.
5) Setting quotas without territory parity
Problem: reps inherit unfair goals. Fix: align quotas with modeled potential (accounts, population, income) within each territory.
6) Neglecting rep travel time
Problem: lost selling time reduces capacity. Fix: use drive-time and routing constraints to reduce time-in-car.
7) Failing to archive territory changes
Problem: disputes resurface at comp review or territory handoffs. Fix: export dated maps and parameters for an audit trail.
Putting it into practice
Generate 15/20/30 minute drive-time options per rep or office.
Use target account counts or population thresholds to balance territories.
Overlay current customers and pipeline to assess cannibalization risk.
Document data sources and vintages; export a territory ledger (PDF + GeoJSON).