Bench Depth Ratio

Bench Depth Ratio measures how many people can absorb a given skill's work before a single absence or departure stalls delivery. An agency with one senior strategist covering four retainers has a ratio near zero: one resignation, one two-week sick leave, or one client crisis pulls every retainer off schedule. The framework asks a blunt question per skill cluster: if the primary owner disappeared tomorrow, how many others could pick up the work at 80% quality within a week? Ratios below 1.5 concentrate risk and quietly cap how much new business the agency can accept. Ratios above 3 usually mean underutilized senior talent and margin leakage. The practical move is to map bench depth against booked demand before signing the next retainer, not after. Tools like Runn and Resource Guru surface availability, but neither tells you whether the available person can actually do the work. That judgment stays human.