Capacity Planning Model

Headcount & Capacity Planning Model

This model stops hiring from being discussed as a vibe. It links hires to real capacity, ramp time, payroll cost, ESOP effect, and the revenue or service output expected from the added team. That makes the hiring plan a capital decision instead of a wish list.

Role-family based Payroll + ESOP impact Productivity ramp Capacity-linked

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Structure

Model by role family, not one payroll blob.

Function	Opening HC	Planned hires	Attrition	Capacity assumption
Sales	12	+3	-1	1 AE supports INR 35-40 L new ARR per quarter after ramp
Customer success	8	+2	0	1 CSM manages 55-65 strategic accounts
Engineering	24	+4	-1	Productivity ramps over 2-3 months

Example Output

Sample cost and capacity view.

Function	Fully loaded monthly cost	Ramp months	Capacity effect
Sales	INR 2.8 L each	3	Supports INR 1.1 Cr new ARR per quarter once stable
Customer success	INR 1.9 L each	2	Protects retention above 93%
Engineering	INR 3.4 L each	3	Supports roadmap catch-up and defect reduction

Usage Rules

How to keep it honest.

Model start date and productivity ramp separately. A hire is not productive on day one.
Keep sales and delivery capacity linked to revenue assumptions so the plan can be challenged cleanly.
Include backfills separately from growth hires.
Show fully loaded cost, not only CTC. Benefits, bonus, tools, and ESOP matter.
Use the model to decide sequence, not just total hiring count.

Key Logic

Closing headcount Closing HC = Opening HC + Joins - Attrition

Fully loaded payroll Loaded cost = CTC + bonus + benefits + tools + ESOP refresh allowance

Effective capacity Effective capacity = Closing HC x Ramp productivity percent

Common Mistakes

Assuming full productivity from month one
Ignoring attrition and backfill drag
Treating ESOP dilution as separate from hiring economics
Adding headcount before showing the capacity bottleneck being solved

When This Tool Shines

Use it when hiring is the biggest lever in the plan and leadership needs a cleaner answer to, "What exactly does this hiring wave buy us, and what does it cost in cash?"

Adapt To Your Context

Headcount only earns its place when it is linked to output.

Adjust the role families and capacity assumptions to your business, but keep the underlying rule: every hire should solve a visible constraint, not just support a vague growth story. If you want this built into your forecast and board rhythm, the toolkit hub is the right next stop.

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