Have Tax Questions? Ask a Tax Expert for Answers ASAP
Thanks for your question - I am Sam and I am one of the UK tax experts here on just Answer.
Yes pension contributions are taken from pre tax income, so that tax relief can be allocated against them by the pension company - thereby boosting up your side of any contributions
Then your salary is considered for any tax and national Insurance (after the monthly exemption for each is applied)
Let me know if I can assist further