When did the employer NI increase take effect?

The rate increased from 13.8% to 15% on 6 April 2025, and the secondary threshold dropped from £9,100 to £5,000 at the same time.

Does the NI increase apply to all employees?

Yes, the employer NI increase applies to all employees earning above the secondary threshold (£5,000). There is an enhanced Employment Allowance of £10,500 for small businesses.

How can I offset the employer NI increase?

Options include: adjusting pricing, improving operational efficiency, restructuring work patterns, claiming the Employment Allowance if eligible, or reviewing your benefits package.

Is employer NI tax-deductible?

Yes, employer NI contributions are an allowable business expense and reduce your corporation tax bill.

Pre-filled with typical Technology & SaaS figures: 10 employees, £65,000 average salary. Adjust the sliders for your actual numbers.

Employer NI Impact Calculator

The employer NI rate rose from 13.8% to 15% in April 2025, and the secondary threshold dropped from £9,100 to £5,000. Enter your workforce details to see the exact cost increase.

Number of Employees

110500

Average Annual Salary

£10k£65,000£150k

Your Additional Annual Cost

£12,858

+16.7% increase in employer NI costs

Per employee increase£1,286

Old total NI cost£77,142

New total NI cost£90,000

Monthly Cash Impact

£1,072 /month

Rate Comparison

Metric	Before (2024/25)	After (2025/26)	Change
Employer NI Rate	13.8%	15.0%	+1.2pp
Secondary Threshold	£9,100	£5,000	-£4,100
NI per employee (your avg salary)	£7,714	£9,000	+£1,286
Total (10 employees)	£77,142	£90,000	+£12,858

What Should You Do?

Risk of Inaction

Every month you delay adjusting pricing or workforce planning, you absorb £1,072 in unrecovered costs.

If You Act Now

Adjust prices by 2.0% to fully offset the increase.

Decision Window

Already in effect. Every month costs you £1,072. The optimal action was Q4 2024. The second best time is now.

Technology & SaaS — Key Concerns

High salaries mean employer NI is the biggest employment cost increase
R&D tax credits partially offset corporation tax — calculate net position
Fast-growth companies may cross VAT threshold quickly

Employer NI Calculator for Other Industries

Hospitality Retail Construction Healthcare & Social Care Manufacturing Professional Services Education & Training Logistics & Transport Agriculture & Farming Financial Services

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Frequently Asked Questions

When did the employer NI increase take effect?: The rate increased from 13.8% to 15% on 6 April 2025, and the secondary threshold dropped from £9,100 to £5,000 at the same time.
Does the NI increase apply to all employees?: Yes, the employer NI increase applies to all employees earning above the secondary threshold (£5,000). There is an enhanced Employment Allowance of £10,500 for small businesses.
How can I offset the employer NI increase?: Options include: adjusting pricing, improving operational efficiency, restructuring work patterns, claiming the Employment Allowance if eligible, or reviewing your benefits package.
Is employer NI tax-deductible?: Yes, employer NI contributions are an allowable business expense and reduce your corporation tax bill.