Editing this updates the annual pension contribution above (× 12), and vice versa.
Salary sacrifice reduces both taxable income and NI-able earnings.

Gross Employment Income £95,000
Your gross income exceeds £100,000 — the Personal Allowance is being tapered. For every £2 over £100,000, £1 of allowance is withdrawn.
Gross Income £95,000
Pension Contribution −£4,750
Personal Allowance −£12,570
Taxable Income £77,680

Basic 20%
£7,540
on first £37,700
Higher 40%
£15,992
£37,701–£125,140
Additional 45%
£0
above £125,140
Total Income Tax £23,532
Employee National Insurance £3,815
Pension Contribution £4,750
Total Deductions £32,097
Effective Tax Rate 24.77%

Net Income (take-home) £62,903

UK Employment Income Tax Calculator · Tax Year 2025/26 · For guidance only, not financial advice.