What is Employer's National Insurance? UK Definition 2026/27
Quick Answer
NI contributions paid by employers at 15% on earnings above £5,000.
Definition of Employer's National Insurance
Employers pay National Insurance Contributions (NICs) on employee earnings above the Secondary Threshold (£5,000 per year from April 2025). The rate is 15% with no upper limit. The Employment Allowance can reduce the bill by up to £10,500 for eligible employers.
Employer's National Insurance — Key Facts for 2026/27
| Rate | 15% |
| Threshold | £5,000/year |
| Employment Allowance | £10,500 |
| No upper limit | Unlike employee NI |
How Employer's National Insurance Works — Example
- 1Salary: £50,000
- 2NI threshold: £5,000
- 3NI-able earnings: £45,000
- 4Employer NI: £45,000 × 15% = £6,750
- 5Less Employment Allowance: £10,500
- 6NI payable: £0 (if eligible)
How Employer's National Insurance Affects Your Tax
Employer NI significantly increases the cost of employment. A £50,000 salary costs the employer an additional £6,750+ in NI. The increased rate to 15% from April 2025 adds £900+ per employee earning £50,000.
Official HMRC Guidance on Employer's National Insurance
For official guidance, refer to HMRC's documentation. Tax rules can change, so always verify current rates and thresholds on gov.uk.
HMRC: National Insurance ratesFrequently Asked Questions about Employer's National Insurance
Related Tax Terms
Employment Allowance
Up to £10,500 off your employer NI bill for eligible employers.
National Insurance
Contributions paid by employees and employers that fund state benefits.
PAYE
Pay As You Earn - the system for deducting income tax and NI from wages.
Salary Sacrifice
Give up salary in exchange for benefits, reducing tax and NI.
Accuracy Note
This information is for guidance only and is based on 2026/27 tax year rates. Tax rules are complex and your circumstances may differ. For personal advice, consult a qualified accountant or tax adviser.