Limited Company vs PAYE Calculator UK 2025/26

Limited Company vs PAYE: The Complete 2025/26 Guide

For contractors, consultants, and freelancers billing above around £35,000–40,000 per year, the question of whether to operate through a limited company or take PAYE employment (often via an umbrella company) is one of the most financially significant decisions they will make. The difference in take-home pay can be substantial — but the picture is not straightforward, and recent tax changes have narrowed the gap considerably.

How Limited Company Tax Optimisation Works

The fundamental tax advantage of a limited company structure lies in the distinction between employment income (subject to income tax and National Insurance) and dividend income (subject only to dividend tax, with no NI). The classic optimisation strategy works like this:

1. The director draws a small salary — typically at the personal allowance (£12,570) or below the employer NI threshold (£9,100)
2. The company pays corporation tax (19% or 25%) on remaining profits
3. The director extracts remaining after-tax profits as dividends, which carry no NI charge
4. Dividend tax rates (8.75% / 33.75% / 39.35%) are significantly lower than income tax plus NI combined

Optimal Director Salary 2025/26

There are two common salary strategies for limited company directors in 2025/26:

• £9,100/year (£758.33/month) — Just below the Secondary NI threshold. The company pays no employer NI on this salary. Best if you cannot claim Employment Allowance (i.e., you are the sole employee-director).
• £12,570/year (£1,047.50/month) — The full personal allowance. No income tax for the director. Best if you have two or more eligible employees and can claim Employment Allowance (£10,500 in 2025/26) to offset any employer NI liability.

Taking a salary of £12,570 when you cannot claim Employment Allowance generates employer NI of (£12,570 − £9,100) × 15% = £520.50. This may still be worthwhile because the salary is deductible for corporation tax, but you need to weigh up the numbers for your specific income level. Our calculator handles both scenarios.

Dividend Allowance 2025/26 — Now Just £500

The dividend allowance has been dramatically reduced in recent years. From April 2024, only £500 per year of dividend income is free of tax (down from £2,000 in 2022/23 and £5,000 in 2017/18). Any dividends above this are taxed at:

• 8.75% — Basic rate band (income up to £50,270 total)
• 33.75% — Higher rate band (income £50,271–£125,140)
• 39.35% — Additional rate (income above £125,140)

IR35 — The Critical Risk Factor

IR35 is HMRC's anti-avoidance legislation targeting "disguised employment." If your working arrangements through a limited company are effectively the same as being an employee — working under the client's direction, fixed hours, no ability to send a substitute, exclusive to one client — HMRC may deem you inside IR35.

Inside IR35, your income is treated as employment income. The company must operate PAYE on what HMRC calls a "deemed employment payment," and the tax saving from the Ltd structure is largely eliminated. Since April 2021, medium and large private-sector clients must determine IR35 status (not the contractor). Public-sector clients also make this determination. Only for small private-sector clients does the contractor determine their own status.

Key IR35 indicators that work in your favour (outside IR35): right of substitution, multiple clients, providing own equipment, controlling working methods and hours, fixed-price project-based contracts.

Limited Company vs Umbrella Company

For outside-IR35 contractors, a limited company almost always produces higher take-home pay than an umbrella company. Umbrella companies employ you as a PAYE worker, meaning full income tax and NI applies, plus umbrella fees (typically £15–35/week or £780–£1,820/year).

For inside-IR35 contractors, the take-home pay is broadly similar between Ltd and umbrella routes, since IR35 means PAYE taxation either way. In this case, the lower administrative burden of an umbrella company often makes it the preferred choice.

MTD for Income Tax — What Contractors Must Know from 2026

Making Tax Digital (MTD) for Income Tax Self Assessment is being rolled out in phases. From April 2026, self-employed individuals and landlords with income over £50,000 must maintain digital records and file quarterly updates to HMRC. This will apply to many contractor directors who have personal income (dividends + salary) above this threshold. Ensure your accountancy software is MTD-compatible before the deadline.

Allowable Expenses Through a Limited Company

One of the additional advantages of a limited company is the ability to deduct genuine business expenses before corporation tax is calculated. Common deductible expenses for contractors include:

• Professional subscriptions and training courses
• Equipment, software, and IT hardware
• Travel to client sites (but not commuting to a permanent workplace)
• Accountancy and legal fees
• Business insurance (professional indemnity, public liability)
• Employer pension contributions (highly tax-efficient — deductible for CT, no NI)
• Home office costs (if working from home)

When Does a Limited Company Actually Make Sense?

A limited company structure is most advantageous when: you are outside IR35; your income is above £50,000; you have multiple clients or a long-term outside-IR35 contract; you can deduct meaningful business expenses; you want to retain profits within the company for future extraction in lower-income years; and you are comfortable with the administrative responsibility of running a company (annual accounts, corporation tax returns, confirmation statements).

Below £40,000 income, the tax saving rarely justifies the accountancy fees. Between £40,000 and £50,000, it depends on your specific circumstances, IR35 status, and expenses. Above £50,000 outside IR35, a limited company almost always produces a meaningful financial advantage.