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Use when auditing or designing manager spans and organizational layers — covers diagnostics, healthy ranges, and reorg patterns.
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SOC 職業分類に基づく
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| name | spans-and-layers |
| description | Use when auditing or designing manager spans and organizational layers — covers diagnostics, healthy ranges, and reorg patterns. |
Spans (number of direct reports) and layers (depth from CEO to most-junior employee) are two of the most measurable structural variables. They surface bottlenecks, decision speed problems, and over- or under-management that other diagnostics miss.
| Manager type | Healthy span |
|---|---|
| First-line manager of ICs | 6–12 |
| Manager of managers | 5–9 |
| Senior leaders / Directors | 5–8 |
| VPs | 5–8 |
| CEO | 7–10 |
| Founder | Audit if > 9 |
Wider spans demand:
Narrower spans mean:
| Headcount | Layers |
|---|---|
| < 100 | 3–5 |
| 100–500 | 4–6 |
| 500–2000 | 5–7 |
| 2000+ | 7–9 |
More layers correlate with:
Senior leader inserts a director / VP between themselves and existing managers — often because they don't trust the existing managers.
Costs:
Better: address the trust issue (replace, coach, or restructure) rather than papering over with structure.
Two common questions:
These usually match but not always. Document both.
Every quarter:
When span/layer audit reveals problems:
Reduce a span by:
Remove a layer by:
Add a layer when:
org-design-principles skillorg-designer agentworkforce-planning skillchange-management skill