National Insurance2026/27

What is Employer's National Insurance? UK Definition 2026/27

Verified by ICAEW, ACCA & AAT
Updated April 2026

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

Rate15%
Threshold£5,000/year
Employment Allowance£10,500
No upper limitUnlike employee NI

How Employer's National Insurance Works — Example

Employer NI on £50,000 salary
  1. 1Salary: £50,000
  2. 2NI threshold: £5,000
  3. 3NI-able earnings: £45,000
  4. 4Employer NI: £45,000 × 15% = £6,750
  5. 5Less Employment Allowance: £10,500
  6. 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 rates

Frequently Asked Questions about Employer's National Insurance

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.