Market sizing question: Private security market in USA ($)

Market sizing
Recent activity on Nov 25, 2018
2 Answers
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Marco asked on Nov 20, 2018

How would you approach this case?

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Marco replied on Nov 25, 2018

I was not aware of this. I didn’t want to share my approach and influence the resolution of the case.

I would assume that private security agents, can work for the A) privates but also for the B) businesses like stores/cinemas…

A) Number of agents for private sector

I would start from the #households in USA 360M/3~120M

Then I would segment the population per social classes, in 5 classes assuming that the distribution can follow the Gaussian curve:

Upper class 10% ~12M

Middle Upper class 20%

Middle Class 40%

Middle lower class 20%

Low class 10%

At this point I would assume that the security service is used only from 1% of the upper class segment, considering that USA doesn’t suffer of a high crime rates in the upper class areas.

Upper Class 1% ~ 120k

Considering that the security service works 24/7, I need to multiply for the number of shifts 3.

#of security agents in the private sector~360k.

B) Looking at the second part I would divide equally the population across the country geographically in 3 areas, West-Coast/Centre/East-Coast and I would assume that the ratio people to number of stores is different.

West 1/1000 ~120M/500 ~240k

Centre 1/1000 ~ 60k

East 1/500~ 240k

Let’s assume we have in USA 540k stores. Of these one every 5 stores will hire a security guard.

540k/5~108k~100k

Let’s take into consideration the shifts *3 à 100k*3~300k

#security agents in USA~ 360k + 300k~660k

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Anonymous updated the answer on Nov 21, 2018

How would you?

I think most experts (including me) have stopped answering these blanket questions. Please provide your approach, then you'll get tips and feedback!

(edited)

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