How do we get the value 30% market share for our customer?

TKMC Case: Elevators
New answer on Nov 20, 2019
1 Answer
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Anonymous A asked on Nov 20, 2019

Given Data:
The customer is the market leader in North America; in general around 80% of the market is accounted for 4 similarly sized competitors.

How do I derive 30% market share based on this piece of information?

Thanks!

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Antonello
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replied on Nov 20, 2019
McKinsey | MBA professor for consulting interviews

Hi,
I think it is a rough estimation: since 4 competitors have the 80% of the market and the client is the leader, it will have more than 20% of market share, let's assume 30%.

Best,
Antonello

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Anonymous B on Jan 15, 2020

Hey, how is that possible? There are just 20 % of the market left left. I do not get it.

(edited)

Sina on Oct 27, 2020

100% - 80% = 20% ....I don't understand either

Antonello gave the best answer

Antonello

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McKinsey | MBA professor for consulting interviews
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