The £500 is a rate, and almost every calculator treats it as a deduction
ITA 2007 s13A says it plainly: "If D is more than £500, the first £500 of D is charged at the dividend nil rate (rather than the dividend ordinary rate), and is the only amount charged at the dividend nil rate."
Charged at a rate. Not removed from income. The £500 stays exactly where it sits in the bands and still uses up £500 of your basic rate band, which pushes £500 of your other dividend income up into the band above.
What that costs on a standard director profile
Salary £12,570, fully covered by the personal allowance, and dividends of £50,000:
- Correct: £500 at 0%, £37,200 at 10.75% = £3,999.00, £12,300 at 35.75% = £4,397.25. Total £8,396.25.
- Deduct-first, as most tools do: tax £49,500, giving £37,700 at 10.75% plus £11,800 at 35.75%. Total £8,271.25.
Understated by exactly £125.00, which is £500 multiplied by the 25 point gap between the two rates the allowance straddles. The error is invisible because the answer looks entirely reasonable.
And it is worth less than you think
With no allowance at all the same director would pay £8,450.00. So the allowance saves £53.75, not the £178.75 you would expect from £500 at their top dividend rate.
The reason is the ordering. s13A Step 1 takes dividend income sitting in the basic rate band and only reaches higher rate income if there is less than £500 down there. The nil rate is deliberately spent where it saves the least.
There is a case where it is worth more: if your salary alone already exceeds £50,270 so that no dividend falls in the basic rate band, the nil rate has nowhere cheap to go and lands on higher rate income instead. The tool works that out from your actual figures rather than assuming either case.
The rates moved on 6 April 2026
- Ordinary rate: 10.75%, up from 8.75%
- Upper rate: 35.75%, up from 33.75%
- Additional rate: 39.35%, unchanged
Two of the three rose by two percentage points and the third did not, which narrowed the gap between the bottom and top rates. Any calculation, spreadsheet or side-by-side comparison still carrying 8.75% or 33.75% is running last year's figures and will understate the bill.
Dividends are the top slice, so the salary decision is not separate
Salary, pension, trading and property income are all taxed first and push dividends up through the bands. That is why changing the salary changes the dividend bill rather than sitting alongside it. From 6 April 2026 property income has its own slice too, sitting below savings and dividends.
Two salary traps worth knowing
The £5,000 secondary threshold is not the safe floor. It is where employer National Insurance starts, and it sits below the £6,708 Lower Earnings Limit, which is what protects a qualifying year for the state pension. Setting a salary at £5,000 to avoid employer NI costs a year of state pension. Between the LEL and the £12,570 primary threshold you pay no employee NI and are still treated as having paid it.
A single director company cannot claim the Employment Allowance. NICA 2014 s2(4A) blocks the £10,500 allowance where the only person paid above the secondary threshold is a director. That one point is the single biggest reason two "optimal salary" answers disagree. Take on one more employee paid above £5,000 and it becomes available.
Two things this does not answer
Whether the dividend is lawful. A dividend can only be paid out of distributable profits under Companies Act 2006 s830. Working out the tax on a £50,000 dividend is a completely different question from whether the company has the reserves to declare one, and a dividend paid without them is an unlawful distribution that is repayable.
Whether a company is the right structure at all. On 2026/27 rates that answer has changed, because the April dividend rise moved the company stack above the sole trader one at ordinary profit levels. That is a comparison in its own right rather than something to infer from a dividend bill.
Common questions
Is the £500 dividend allowance tax free income?
No. It is the most consequential misunderstanding in dividend tax. ITA 2007 s13A charges the first £500 "at the dividend nil rate (rather than the dividend ordinary rate)". It is a rate applied to a slice of income, not a deduction from income. The £500 stays exactly where it sits in the bands and still uses up £500 of your basic rate band, which pushes £500 of other dividend income up into the next band.
How much is the allowance actually worth?
Far less than people assume. On a salary of £12,570 and dividends of £50,000 it saves £53.75, because s13A spends the nil rate on your cheapest slice first: Step 1 takes dividend income sitting in the basic rate band and only reaches higher rate income if there is less than £500 down there. Most directors assume it is worth £178.75, being £500 at their top dividend rate. It is worth about a third of that.
Why does my accountant’s figure differ from an online calculator?
Usually because the calculator subtracts the allowance from your income before banding it. On the standard director profile that understates the bill by exactly £125, which is £500 multiplied by the 25 point gap between the ordinary and upper rates. The correct answer on £12,570 salary and £50,000 dividends is £8,396.25. The deduct-first method gives £8,271.25.
What are the dividend rates for 2026/27?
0% on the first £500, then 10.75% on dividends in the basic rate band, 35.75% in the higher rate band and 39.35% in the additional rate band. The first two rose by two percentage points on 6 April 2026, from 8.75% and 33.75%. The additional rate did not move. Any spreadsheet still carrying 8.75% or 33.75% is running last year’s figures.
What salary should a director take?
For most single-director companies £12,570, and the reason is the interaction rather than the number. Below the £6,708 Lower Earnings Limit you build no qualifying year for the state pension, and the £5,000 secondary threshold that people set salaries at to avoid employer National Insurance sits below it. Between the LEL and £12,570 you pay no employee National Insurance and are still treated as having paid it.
Can I claim the Employment Allowance against the employer NI on my salary?
Not if you are the only person paid above the secondary threshold. NICA 2014 s2(4A) blocks the £10,500 allowance for a single director company, and that single point is the biggest reason two "optimal salary" answers disagree with each other. Take on one more employee paid above £5,000 and the allowance becomes available.
Does the tax calculation tell me whether I can pay the dividend?
No, and they are different questions. A dividend can only be paid out of distributable profits under Companies Act 2006 s830. A tax calculation showing what a £50,000 dividend would cost is not a statement that the company has £50,000 of reserves to pay it from. A dividend paid without sufficient reserves is an unlawful distribution and is repayable.
Do Scottish taxpayers pay different dividend rates?
No. Dividend taxation is not devolved, so the same UK rates apply throughout. What does change is the tax on salary and other income, and because dividends are the top slice, the Scottish bands change where the dividends sit even though the dividend rates themselves are identical.