How to use “as” in formal writing

This is how to use “as” in business emails and letters.

  • As has a similar meaning to because.
  • We use as to give the reason for a situation.
  • As is more formal than because.

We can use as at the beginning of a sentence:

  • As he is on holiday [reason], it is not possible to get his signature on the letter. [situation]
  • As we do not have the goods on stock at the moment [reason], we are not able to send your order. [situation]

We can also begin with the situation, then use as in the second half of the sentence:

  • It is not possible to get his signature [situation] as he is on holiday [reason].
  • We are not able to send your order [situation] as we do not have the goods on stock at the moment. [reason]

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Learn more – our 18-page e-book ‘Business Correspondence Language’ has all the language you need to write professional business emails, including:

  • How to use “therefore”
  • How to use “however”
  • How to use “nevertheless” and “nonetheless”
  • Example sentences of opening and closing lines in business emails
  • A list of common ’email’ words + examples

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