Answer:
There are ‘n’ number of reason to write an inquiry letter to the company. Inquiry means enquiry.
1. Job opportunities posted on their website
2. It may be regarding a “Career development course” for which an advertisement is posted on the website and you have few queries about it.
3. It can be on offers that are available to the user and you need more information about the offer.
4. You would like to advertise your product on their website