As such / Therefore / so
UsageAs such should normally refer back to what something or someone has just been described as. Use therefore or so for a general cause-and-effect link.
As such
Use when
You refer back to a previously stated identity, role or capacity and mean in that capacity or form.
Example
“She is the project owner and, as such, must approve the change.”
Therefore / so
Use when
You introduce a consequence or result of what came before.
Example
“The supplier missed the deadline. Therefore, implementation was delayed.”
Quick check
as such used as a general synonym for therefore, sentence beginning as such with no clear antecedent
Usage note