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I need a little help on the reasons when to use "it" and "they" and "their" when referring to a company.

Example 1- Google addresses this problem by ensuring that 100% of the servers they retire are either reused or recycled

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Google addresses this problem by ensuring that 100% of the servers it retires are either reused or recycled

Example 2 - As well, in Google's Belgium data center, the company has started using industrial waste water from canals for their cooling requirements.

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As well, in Google's Belgium data center, the company has started using industrial waste water from canals for its cooling requirements.

Example 3 - While the company has begun implementing quick wins for tackling their water consumption issues, they are also looking at game changing solutions to address this sustainability issue.

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While the company has begun implementing quick wins for tackling its water consumption issues, it is also looking at game changing solutions to address this sustainability issue.
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What you should be careful of is situations in which either the single corporate entity or the group of co-workers is too obvious (either grammatically or conceptually) to permit the wrong pronoun:

Google addresses this problem by ensuring that 100% of the servers it retires are either reused or recycle.

As well, in Google's Belgium data center, the company has started using industrial waste water from canals for its cooling requirements.

While the company has begun implementing quick wins for tackling its water consumption issues, it is also looking at game changing solutions to address this sustainability issue.

Can you imagine a sentence beginning 'Google are...'? If so, it is time to use 'they'.
Comments  
anonymous I need a little help on the reasons when to use "it" and "they" and "their" when referring to a company.
Example 1- Google addresses this problem by ensuring that 100% of the servers they retire are either reused or recycled
vs
Google addresses this problem by ensuring that 100% of the servers it retires are either reused or recycled
Example 2 - As well, in Google's Belgium data center, the company has started using industrial waste water from canals for their cooling requirements.
vs
As well, in Google's Belgium data center, the company has started using industrial waste water from canals for its cooling requirements.
Example 3 - While the company has begun implementing quick wins for tackling their water consumption issues, they are also looking at game changing solutions to address this sustainability issue.
vs
While the company has begun implementing quick wins for tackling its water consumption issues, it is also looking at game changing solutions to address this sustainability issue.