Employer NI Calculator 2026/27
Calculate National Insurance contributions and total employment cost per employee — 2026/27 rates
Employer costs
Check threshold, rate and Employment Allowance changes before signing off payroll costs.
Excludes employer pension contributions. Add 3%+ of qualifying earnings for auto-enrolment minimum.
How to use
- ✓Enter your details in the calculator
- ✓Results update instantly as you type
- ✓2026/27 assumptions already included
Disclaimer
Results are estimates based on HMRC published rates. Individual tax codes, benefits-in-kind, and other factors may affect your actual liability. Consult a qualified accountant for personal advice.
Employer National Insurance: The Complete 2026/27 Guide
Employer National Insurance (NI) contributions are one of the most significant and often underestimated costs of running a payroll. For the 2026/27 tax year, employers pay 15% on every pound of each employee's earnings above the Secondary Threshold of £5,000 per year. This guide walks through every aspect of employer NI — from the basic mechanics to advanced planning strategies that can legitimately reduce your business's liability.
Unlike employee NI, which workers see deducted directly from their payslip, employer NI is completely invisible to most employees. It never appears on a payslip. Yet for a typical employee earning £35,000, the employer is quietly paying an additional £4,500 per year — adding almost 13% to the true cost of that person's employment. For a business with 10 such employees, that's £45,000 per year in employer NI alone, before accounting for pension contributions, benefits, or equipment.
Employer NI Rates and Thresholds 2026/27
The 2026/27 rate remains at 15% after the April 2025 increase from 13.8%, a significant jump announced in the Autumn Budget 2024. The Secondary Threshold — the point at which employer NI kicks in — is £5,000 per year (£96/week). These rules make employer NI a major 2026/27 employment cost.
| Item | 2024/25 | 2026/27 | Change |
|---|---|---|---|
| NI Rate | 13.8% | 15% | +1.2 percentage points |
| Secondary Threshold | £9,100/year | £5,000/year | Lower threshold |
| Employment Allowance | £5,000 | £10,500 | +£5,500 |
Employer NI Cost at Different Salary Levels
The chart below shows how employer NI scales with salary. Because the Secondary Threshold (£5,000) stays fixed, the effective NI rate as a percentage of total salary rises quickly at lower salaries and levels off approaching the full 15% rate at higher incomes. An employee earning £20,000 has an effective employer NI rate of 11.25%, while someone on £60,000 attracts an effective rate of 13.75%.
Effective Employer NI Rate by Salary
Effective rate = Employer NI / Gross Salary. Approaches 15% asymptotically as salary rises far above the £5,000 threshold.
The True Cost of Employment — What Employers Often Miss
When a business offers someone a £40,000 salary, the real annual cost is substantially higher. Savvy business owners think in "total employment cost" — every pound paid to support that one person's employment.
| Cost Component | Annual Amount |
|---|---|
| Gross Salary | £32,000.00 |
| Employer NI (15% above £5,000) | £4,050.00 |
| Employer Pension (3% minimum) | £772.80 |
| Minimum Total Employment Cost | £36,822.80 |
Employment Allowance: Who Qualifies and How to Claim
Employment Allowance is one of the most valuable reliefs available to small and medium businesses. From April 2025, eligible employers can reduce their employer NI bill by up to £10,500 per year. This is a significant increase from the prior year's £5,000 limit and was introduced to offset the increased employer NI rate.
To qualify, your total employer NI bill must have been under £100,000 in the previous tax year. Additionally, single-director companies with no other employees are specifically excluded — a long-standing HMRC rule to prevent abuse. The allowance is claimed via your payroll software when submitting your Employer Payment Summary (EPS) and is automatically applied against your monthly payments.
Employment Allowance Planning Example
A business with 4 employees each earning £25,000 has a total employer NI bill of approximately £9,540 per year. With Employment Allowance of £10,500, the entire bill is wiped out — saving the business nearly £10,000. For businesses in this range, Employment Allowance effectively makes employer NI a non-cost.
Strategies to Reduce Employer NI
Several legitimate strategies exist to reduce your employer NI liability. The most widely used is salary sacrifice — where employees agree to exchange part of their salary for a non-cash benefit. Since salary sacrifice reduces the employee's contractual pay, it reduces the NI-liable figure for both the employee (employee NI) and the employer (employer NI).
| Strategy | Employer NI Saving | Notes |
|---|---|---|
| Salary sacrifice pension | 15% of sacrificed amount | Many employers share NI saving with employee |
| Cycle to Work scheme | 15% of bike cost | Capped at £1,000 normally, £2,000 for e-bikes |
| EV salary sacrifice | 15% of sacrifice amount | Very popular since low 3% BiK rate |
| Under-21 employees | Up to £7,455/year | Zero rate on earnings up to £50,270 |
| Apprentices under 25 | Up to £6,176/year | Zero rate on earnings up to £50,270 |
Director Salary Optimisation
Owner-directors of limited companies have significant flexibility in how they structure their own remuneration. By keeping their salary at exactly £12,570 (the Primary Threshold for personal income tax) or at £5,000 (the Secondary Threshold for employer NI), directors can minimise or eliminate employer NI on their own salary. The remaining remuneration is then taken as dividends, which carry no NI liability for either the company or the individual.
The trade-off when setting salary below the Lower Earnings Limit (£6,708 in 2026/27) is the potential loss of NI credits that count towards the State Pension and other contributory benefits. Many directors therefore compare a £5,000 salary with a salary at or above the Lower Earnings Limit if preserving NI credits matters. It is worth noting that Class 1 employee NI remains zero until the Primary Threshold of £12,570.
Employer NI Frequently Asked Questions
What is the Secondary Threshold for employer NI in 2026/27?
£5,000 per year (£96 per week). Employers pay no NI on earnings below this figure. Employees still accumulate NI credits above the Lower Earnings Limit (£6,708).
Do I pay employer NI on bonuses?
Yes. Bonuses are treated as earnings for both income tax and NI purposes. A £5,000 bonus costs the employer an additional £750 in employer NI (15% × £5,000).
Can I reclaim employer NI if I make an overpayment?
Yes. If you discover you've overpaid employer NI in the current tax year, you can offset it against future PAYE payments. For prior years, you can make an amendment via your payroll software or contact HMRC.
What is the Freeport NI zero rate?
Businesses in designated Freeport and Investment Zone areas can pay zero employer NI on new employees' earnings up to £25,000 for up to three years. This is a significant incentive for businesses considering these locations.
How does employer NI apply to part-time workers?
The £5,000 Secondary Threshold applies per employee regardless of hours worked. Two part-time employees each earning £15,000 create two thresholds — each employer NI bill is calculated independently.
Are there any penalties for not paying employer NI on time?
Yes. Late payment attracts penalties starting at 1% for 1-30 days late and rising to 15% for payments over 12 months late, plus interest. HMRC is increasingly using automated enforcement.
How to use the Employer NI Calculator properly
The Employer NI Calculator is built for tax and income planning. It is designed to turn a complex financial question into a clear working estimate using 2026/27 assumptions. The headline result is useful, but the real value comes from understanding which inputs drive the answer, which thresholds matter, and which linked tools should be checked before making a decision.
This calculator is most useful when you treat it as the first step in a decision chain. Enter realistic values, review the assumptions, then follow the internal links to related calculators and guides. For example, a salary calculation may need a second check against income tax, National Insurance, student loans and pensions. A property calculation may need a second check against stamp duty, mortgage affordability, rental yield and capital gains tax. A business calculation may need to connect corporation tax, VAT, employer NI and dividend tax.
The 2026/27 UK tax and finance environment makes this joined-up approach important. Frozen thresholds mean more earnings are pulled into tax over time. Employer National Insurance remains a major cost above the secondary threshold. Pension contributions, salary sacrifice, student loans and regional tax differences can all change the final answer. A calculator that only shows one number can miss the bigger picture; a calculator supported by internal guides and related tools helps users understand the full decision.
Typical uses
Start with clean inputs
Use the best available numbers for salary, PAYE, income tax, National Insurance, pension deductions, student loans and the difference between gross and net income. Avoid mixing annual and monthly figures, and check whether a figure should be gross, net, pre-tax or post-tax.
Check the assumptions
Results are estimates. They cannot know every payroll code, lender rule, company policy, benefit-in-kind, local tax variation or personal circumstance unless those details are entered or explained.
Sense-check the outcome
Compare the result against your payslip, lender example, budget or tax estimate so you know whether one assumption needs adjusting before you rely on it.
What affects the result?
Several variables can move the final result more than users expect. Tax year thresholds affect the point at which deductions begin. Pension contributions can reduce taxable income but also reduce immediate cash flow. Student loans are calculated using their own thresholds and rates. Salary sacrifice can save income tax and National Insurance but may affect pensionable pay, mortgage affordability or employer benefits. For property calculations, interest rates, term length, fees and deposit size can change the result by thousands of pounds. For business calculations, the interaction between salary, dividends, VAT, corporation tax and National Insurance is often more important than any single rate.
This is why the page includes both a calculator and supporting content. A user looking for a quick estimate can get one instantly. A user making a real decision can continue into the linked guides, compare adjacent tools and understand what the numbers mean. Good internal linking also helps search engines understand the topic relationship between pages: calculators answer transactional queries, while guides answer explanatory queries.
Worked example workflow
A strong workflow starts with a base case. Enter the most likely values first: the salary you expect, the mortgage amount you are considering, the loan term you are comparing, the savings contribution you can afford, or the business profit you expect to make. Record the result, then change one input at a time. This makes it clear which variable is doing the most work.
For a pay calculation, compare the base salary against a scenario with pension salary sacrifice, a scenario with student loan repayments, and a scenario with a bonus or overtime. For a property calculation, compare the current rate against a higher-rate stress test, then shorten or lengthen the term to see the lifetime interest effect. For a business calculation, compare profit extraction methods and then check the connected tax pages. This approach turns a single estimate into a decision framework.
The important point is to avoid changing several assumptions at once. If a result improves, you need to know whether the improvement came from a higher deposit, a lower interest rate, a pension contribution, a tax band change or a different repayment term. The calculator gives the number; the comparison gives the insight.
2026/27 checklist before relying on the result
- Check the tax year: use 2026/27 figures when comparing current salaries, payroll deductions, property taxes or business profits.
- Check the basis: confirm whether an input should be annual, monthly, weekly, gross, net, pre-tax, post-tax or pensionable.
- Check location: Scotland can use different income tax bands, and property taxes differ between England, Scotland and Wales.
- Check deductions: pension, student loans, salary sacrifice, benefits and allowances can all materially alter the result.
- Check related pages: use the internal links on this page to test the decision from a second angle before acting.
How this calculator connects to the wider financial picture
Income and affordability
A calculator result is often used by another decision. Net income affects mortgage affordability, household budgets, emergency fund targets and loan repayment capacity. Gross income affects tax bands, pension contributions, student loan repayments and child benefit. If the page you are using changes an income figure, it is sensible to follow through to the take-home pay, mortgage affordability and budgeting tools.
Tax and timing
Many UK thresholds are annual, but most real-life decisions are monthly. PAYE deductions, mortgage payments, rent, bills and loan repayments are usually felt month by month. A yearly saving can look large until divided by twelve; a monthly cost can look small until multiplied across a full year or mortgage term. The best use of the calculator is to compare both annual and monthly effects.
Risk and sensitivity
The result is only as stable as the assumptions behind it. Interest rates, pay awards, inflation, house prices, bonuses, overtime, profit margins and tax policy can all change. Run a conservative version, a central version and an optimistic version. If the decision only works in the optimistic version, it probably needs more caution.
Record keeping
Keep a note of the assumptions you used, especially for tax, business and mortgage decisions. If your tax code changes, your pension percentage changes, your company profit changes or a lender offers a different rate, rerun the calculation. The internal guides explain the rule changes and the calculators show the numerical impact.
Frequently asked questions about this type of calculator
Is the result exact?
No online calculator can cover every personal circumstance, but it can give a strong planning estimate when the right inputs are used. Use payslips, lender illustrations, HMRC notices or accounting records where possible.
Why does my real result differ?
Differences usually come from tax codes, pension scheme rules, student loan plans, benefits-in-kind, regional tax differences, fees, timing or incomplete input data.
Should I use annual or monthly figures?
Use whatever the calculator asks for. If a field says annual salary, enter the annual gross figure. If a field asks for monthly payment, enter the monthly amount. Mixing periods is the most common source of errors.
What should I do after calculating?
Use the related calculators and guides to test the same decision from another angle, then confirm important choices with payroll, an accountant, a broker or another qualified professional where needed.
How to interpret the result in 2026/27
Short-term cash flow
The monthly result tells you what the decision feels like in real life. For income pages, that means money available after deductions. For mortgage and debt pages, it means the recurring payment. For savings pages, it means the commitment required to hit a target. Monthly affordability should be tested against bills, food, transport, insurance, subscriptions and emergency savings rather than judged in isolation.
Annual tax impact
The annual result shows the tax-year impact. Frozen allowances and thresholds mean the annual view is especially important in 2026/27. It helps identify whether income crosses the higher-rate threshold, whether allowances taper, whether a student loan plan becomes active, or whether a business profit level changes the corporation tax position. Annual numbers also make it easier to compare job offers and investment decisions.
Lifetime cost or benefit
Some decisions look small monthly but large over time. A slightly higher mortgage rate can add tens of thousands over the term. A pension contribution can reduce take-home pay today but build long-term retirement income. A debt repayment change can shorten or lengthen the payoff date. Use the result as a starting point, then check the total cost or total benefit where the calculator provides it.
The goal is not just to display a result, but to help users make better financial decisions. Each calculator page therefore includes supporting explanation, internal links, related calculators and related guides. That structure gives every page enough context to stand alone while also encouraging users to explore the wider topic cluster. It also mirrors how people actually make financial decisions: they calculate, compare, learn, adjust assumptions and calculate again.
Further reading
Take-Home Pay Calculator
Compare the result against a closely related calculator.
Income Tax Calculator
Compare the result against a closely related calculator.
UK Income Tax Bands Explained (2026/27)
A plain-English guide to UK income tax bands, rates, and the personal allowance for 2026/27.
National Insurance Explained: Employee and Employer Rates 2026/27
How National Insurance contributions are calculated, who pays, and how to reduce your bill in 2026/27.
Common mistakes to avoid
Do not compare gross figures with net figures. Do not assume a pay rise turns into the same percentage increase in take-home pay. Do not ignore pension, student loan or salary sacrifice deductions. Do not use a mortgage repayment result as a full affordability assessment. Do not make a company director decision by looking only at dividend tax. The right answer normally depends on combined effects.
The best workflow is to run the calculator, read the explanation, then use at least one related calculator and one related guide. This gives a practical answer and a stronger understanding of the rules behind it.
Decision rule
Run a base case, then rerun with one changed assumption. If the answer changes materially, the decision needs a second check before you act.
Related Guides
National Insurance Explained: Employee and Employer Rates 2026/27
How National Insurance contributions are calculated, who pays, and how to reduce your bill in 2026/27.
Employer National Insurance 2026/27: Complete Business Cost Guide
Everything employers need to know about NI contributions — rates, Employment Allowance, exemptions and planning.
Salary vs Dividend: The Optimal Strategy for Ltd Company Directors 2026/27
Find the most tax-efficient split between salary and dividends for your limited company in 2026/27.