Introduction: Why Preference Shares Need a US Tax Review
Preference shares are the class of shares in a UK company that rank ahead of the ordinary shares for dividends, for a return of capital, or for both, and for an American owner they are taxed under a completely different rulebook in Washington from the one HMRC applies in London. A British accountant sees a fixed coupon, a redemption date and a familiar line in the articles of association. The Internal Revenue Code, by contrast, sees a possible debt instrument, a stream of constructive dividends that nobody has paid, and a redemption that may be taxed as a dividend in full rather than as a return of your own money.
Consequently, the founders, investors, investment bankers and business owners we work with are often surprised by how much US tax a seemingly simple piece of paper can create. A UK company might issue preference shares to a founder who lends money to the business, to a private equity house that funds a buyout, to an angel investor in a venture round, or to family members as part of a capital restructure. In every one of those cases, an American holder files a US return that must describe the same shares in American terms.
At TaxYork, we prepare US and UK returns for American company owners and investors living in Britain. In our experience, preference shares are one of the most frequent sources of missed reporting on otherwise careful US returns, precisely because the UK paperwork looks so ordinary. This guide explains how the IRS classifies them, how coupons and redemption premiums are taxed, where the US and UK timing goes wrong, and what to do if past returns got it wrong.
How Preference Shares Differ From Ordinary Shares
In company law terms, preference shares give their holders a priority right that ordinary shareholders do not have. That priority usually takes the form of a fixed dividend, expressed as a percentage of the amount subscribed, which must be paid before any ordinary dividend. Furthermore, most preference shares also rank first on a winding up, so the holder gets their capital back before the ordinary shareholders receive anything.
Beyond that basic priority, the terms vary enormously. Cumulative preference shares carry unpaid dividends forward as arrears, whereas non-cumulative shares lose a missed dividend for good. Redeemable shares will be bought back by the company on a fixed date or at someone's option, while irredeemable shares stay in issue indefinitely. Participating shares take a further share of profits above their fixed coupon, and convertible shares can be swapped into ordinary shares. Moreover, venture-backed companies frequently use preferred shares whose main feature is a liquidation preference, meaning the investor gets one or more times their money back on a sale before the founders share in the proceeds.
Each of those features changes the US analysis. For that reason, the first step on any US return is to read the articles of association and the shareholders' agreement line by line, rather than relying on the label the company uses.
Preference Shares and the US Debt-or-Equity Question
The first question the IRS asks is not how a share is taxed, but whether it is a share at all. US federal tax law classifies an instrument on its economic substance, so a UK preference share with debt-like terms can be treated as debt on your US return, even though Companies House, HMRC and the company's own accounts call it share capital.
The Factors the IRS Weighs
There is no single bright-line test. Instead, the courts and the IRS weigh a list of factors drawn from section 385 of the Code and decades of case law. In practice, the most important are whether there is a fixed maturity date on which the holder is unconditionally entitled to a sum certain, whether the return is fixed and payable regardless of profits, whether the holder can enforce payment as a creditor could, whether the instrument ranks alongside or behind general creditors, and whether the holder has any voting or management rights.
Accordingly, mandatorily redeemable preference shares with a fixed cumulative coupon, no votes and a firm redemption date look a great deal like a loan. In contrast, irredeemable participating shares with votes and an open-ended share of growth look like equity. Most real instruments fall somewhere in between, which is why the analysis needs to be written down and applied consistently from the first year.
Interestingly, UK accounting points in the same direction. Under FRS 102, a mandatorily redeemable share with a fixed coupon is usually presented as a financial liability rather than equity, and HMRC's international manual acknowledges that the tax treatment of redeemable preference shares can be complex. However, for a UK individual the coupon remains a dividend for income tax purposes whatever the accounts say.
What Debt Treatment Changes
If the IRS treats your preference shares as debt, the coupon becomes interest rather than a dividend. As a result, it is taxed at ordinary US rates of up to 37%, plus the 3.8% net investment income tax, instead of the 20% qualified dividend rate. Any premium payable on redemption is analysed under the original issue discount rules, so it accrues as interest income year by year. Furthermore, the instrument drops out of the share count for the controlled foreign corporation and passive foreign investment company tests discussed below, which can be helpful or harmful depending on the structure.
Meanwhile, HMRC continues to tax the same payment as a dividend at up to 39.35% in 2026/27. Fortunately, the foreign tax credit still works across that mismatch, because the US looks at the payment the UK actually taxed, but the classification decides which rate the US applies and whether the credit is enough to eliminate the US bill.
How the IRS Taxes Dividends on Preference Shares
Where your preference shares are respected as equity, a coupon paid in cash is a dividend under section 301 to the extent of the company's earnings and profits, calculated under US rules rather than UK accounting rules. Any excess first reduces your basis and then becomes capital gain.
Qualified Dividend Status and the 91-Day Rule
A UK company is generally a qualified foreign corporation because it can claim the benefits of the US-UK income tax treaty, so its dividends can qualify for the 20% maximum rate. Nevertheless, two conditions often catch preference shareholders. First, the company must not be a passive foreign investment company in the year of the dividend or the year before. Second, the holding period rule is stricter for preferred stock. For dividends attributable to periods totalling more than 366 days, such as a catch-up payment of several years of cumulative arrears, you must have held the shares for at least 91 days during the 181-day period beginning 90 days before the ex-dividend date, as the IRS explained when the qualified dividend rules were introduced. Further detail is in IRS Publication 550 on investment income.
In practice, a long-standing founder easily meets that test. However, an investor who buys preference shares shortly before a large arrears payment can find the dividend taxed at ordinary rates instead.
The UK Side of the Same Dividend
In Britain, a preference dividend is taxed exactly like any other dividend. For 2026/27, after the £500 dividend allowance, the UK rates on dividends are 10.75% at the basic rate, 35.75% at the higher rate and 39.35% at the additional rate. Because Britain has the primary right to tax a UK-source dividend paid to a UK resident, the UK tax is credited against the US tax under the treaty and section 901, which our guide to US tax on UK dividends for dual filers explains in detail.
There is one important catch. UK dividend tax at 39.35% exceeds the highest US rate of 37%, so the dividend is treated as high-taxed income and moves out of the passive basket into the general basket for foreign tax credit purposes. Consequently, the surplus UK credit on the coupon cannot shelter other passive income that carries no UK tax, which matters a great deal for the redemption premium described next. In addition, the 3.8% net investment income tax cannot be reduced by the UK credit at all, so it is a cash cost on every preference dividend.
Redemption Premiums: The Phantom Income on Preference Shares
The rule that surprises American holders most is the US treatment of a redemption premium. Many UK preference shares are issued at one price and redeemed at a higher one, for example subscribed at £1 and redeemed at £1.10 after five years. In Britain, nothing happens until the redemption. In the United States, however, the premium can be taxed every year before you receive a penny of it.
How Section 305(c) Works
Under Treasury Regulation 1.305-5(b), where preferred stock must be redeemed at a price above its issue price, the difference is treated as a constructive distribution under section 305(c). That distribution is taken into account over the period before redemption on a constant-yield basis, using principles similar to the original issue discount rules in section 1272(a). As a result, each year's accrual is a deemed dividend to the extent of earnings and profits, and it increases your basis in the shares.
The rule applies when the company is obliged to redeem, and also when you as holder can require the company to redeem, whether or not that right is currently exercisable. Where only the company holds a call option, the premium is caught only if redemption is more likely than not to occur, and the regulation provides a safe harbour for unrelated parties with no arrangement compelling the call. Importantly, founders and family shareholders are usually related to the company, so that safe harbour rarely protects them.
The De Minimis Exception
Fortunately, a small premium is ignored. The regulation borrows the original issue discount de minimis rule, so the premium is disregarded if it is less than one quarter of one per cent of the redemption price multiplied by the number of complete years to redemption. For a five-year share redeemable at £1.10, the threshold is about 1.4 pence per share, which a 10 pence premium comfortably exceeds. In other words, almost every meaningful redemption premium on UK preference shares is caught.
Why the UK Timing Breaks the Credit
HMRC taxes the premium only when the shares are redeemed. Under section 1000 of the Corporation Tax Act 2010, any amount paid on a redemption above the capital originally subscribed is a distribution, so the premium is taxed as dividend income in the year of redemption, unless the conditions for capital treatment in section 1033 are met. Those conditions require, among other things, a substantial reduction in your overall interest in the company, which a founder who keeps their ordinary shares rarely satisfies.
So the US taxes the premium in years one to five, while the UK taxes it in year five. The UK tax paid in year five relates to income the US recognised earlier, and while the regulations do match that foreign tax to the right category of income, a foreign tax credit can only be carried back one year and forward ten. Therefore, the US tax paid on the early years' accruals can end up permanently uncredited, which is genuine double taxation that no treaty article fixes.
Redeeming Preference Shares: Dividend or Capital Return?
The redemption itself raises a second, often larger, problem. In the UK, repaying the capital you subscribed is simply a return of capital, and only the premium is income. The US, by contrast, asks whether the redemption meaningfully reduced your interest in the company.
Section 302 and the Nonvoting Stock Problem
Under section 302 of the Code, a redemption is treated as a sale, with your basis recovered tax-free, only if it falls within one of the statutory tests. If it does not, the whole payment is a section 301 distribution, taxed as a dividend to the extent of earnings and profits, and your basis in the redeemed shares moves across to the shares you still hold.
That is where preference shares become dangerous. The substantially disproportionate test in section 302(b)(2) is measured by voting stock, and Treasury Regulation 1.302-3(a) states plainly that it does not apply to a redemption solely of nonvoting stock, common or preferred. Consequently, a founder who keeps all their ordinary shares while the company redeems their nonvoting preference shares must rely on the vaguer test in section 302(b)(1), which requires a meaningful reduction in their interest. Where the founder's votes and share of growth are unchanged, the IRS can argue that nothing meaningful has changed and that the entire redemption price is a dividend.
On the other hand, a holder who owns only preference shares, with no ordinary shares and no family members whose shares are attributed under section 318, usually achieves a complete termination of interest. In that case, the redemption is an exchange and the gain is simply the price minus basis. Our separate guide to UK share buybacks for American owners covers the section 302 tests in more depth for ordinary shares.
Section 306 Taint on Bonus Preference Shares
A related trap applies where preference shares are issued free to existing shareholders as a bonus issue or in a reorganisation. Under section 306, such shares can become section 306 stock, and when they are later sold or redeemed the proceeds are treated as dividend income rather than capital gain to the extent of the company's earnings at the time of issue. UK practitioners rarely consider this because Britain has no equivalent rule, so it frequently goes unnoticed on US returns.
Preference Shares and the CFC Value Test
Many American founders assume that a UK company is outside the controlled foreign corporation rules if US shareholders hold half or less of the votes. However, section 957 defines a CFC as a foreign company in which US shareholders own more than 50% of the total voting power or more than 50% of the total value. Nonvoting preference shares therefore count in full for the value test.
As a result, an American who holds a minority of the ordinary shares but has also funded the company through a large block of preference shares can cross the 50% value line without anyone noticing. If that happens, the company becomes a CFC, and the American must report their share of net CFC tested income and subpart F income each year on Form 5471, regardless of whether anything is paid out. Moreover, the value test moves with the value of the ordinary shares, so a fall in the company's trading value can push a preference-heavy holder over the line.
Where the company is already a CFC, Treasury Regulation 1.951-1(e) allocates the income inclusion between classes of shares according to their distribution rights. Cumulative preference shares generally take an allocation for the current year's preferred dividend first, with special limits for arrears and for redeemable shares whose arrears do not compound, and the ordinary shares take the rest. In practice, this allocation decides which family member or investor carries the US inclusion, so it should be modelled before the share terms are agreed.
PFIC Risk for Venture Investors
At the other end of the scale, an American angel or venture investor holding preferred shares in a small UK start-up faces the passive foreign investment company rules. A pre-revenue company holding mostly cash from its funding round can fail the PFIC asset test, although a start-up exception may help in the first year with gross income. Because PFIC status also removes qualified dividend treatment, investors should obtain annual PFIC statements or file Form 8621 where required. Our guide to growth shares for American founders explains how a liquidation preference also depresses the value of founders' ordinary shares for US section 83 purposes.
The UK Rules Every Preference Shareholder Should Know
On the UK side, three rules matter most to wealthy American shareholders.
Business Asset Disposal Relief and Ordinary Share Capital
Business Asset Disposal Relief charges capital gains tax at 18% for disposals from 6 April 2026, on up to £1 million of lifetime gains, provided the company is your personal company. That requires at least 5% of the ordinary share capital and voting rights, plus a 5% economic entitlement. Crucially, section 989 of the Income Tax Act 2007 defines ordinary share capital as all issued share capital other than shares whose holders have a right to a dividend at a fixed rate but no other right to share in profits.
Therefore, fixed-rate preference shares usually do not count towards the 5% test. However, in HMRC v Warshaw the Upper Tribunal held in 2020 that cumulative preference shares whose unpaid dividends compounded did not carry a dividend at a fixed rate, so they were ordinary share capital after all. That decision can help or hurt, because it changes both the holder's percentage and everyone else's. For American sellers, BADR also lowers the UK tax available for credit against the US tax on the same gain, as our guide to Business Asset Disposal Relief and US tax on a UK company sale explains.
EIS and Preference Rights
Similarly, shares issued under the Enterprise Investment Scheme must be ordinary shares, and section 173 of the Income Tax Act 2007 bars any preferential right to assets on a winding up and restricts preferential dividend rights. Consequently, a venture investor cannot combine EIS relief with a standard liquidation preference on the same shares, and American EIS investors should check the share terms before relying on the UK relief, as our guide to Enterprise Investment Scheme shares for Americans explains.
Payment-in-Kind and Scrip Dividends
Finally, where preference shares pay their coupon in additional shares rather than cash, the UK taxes the stock dividend as income at its cash equivalent, and the US taxes it as a distribution under section 305(b)(4) because it is a distribution on preferred stock. Fortunately, both countries tax it in the same year, so the credit normally works, but the holder must fund the tax without receiving any cash.
US Reporting Obligations for Preference Shares
Holding preference shares in a UK company triggers US information reporting that runs alongside the income tax rules.
If you hold 10% or more of the company by vote or value, the Form 5471 instructions generally require a Category 3 filing in the year you acquire shares that take you to 10%, or that add a further 10%. A large subscription for preference shares can therefore trigger a fresh Category 3 filing even for an existing shareholder. If the company is a CFC, Category 4 or Category 5 filings follow every year. The penalty for each missing form starts at $10,000, and, under section 6501(c)(8), a missing Form 5471 keeps the statute of limitations open on the entire return.
In addition, shares in a foreign company held directly, outside a financial account, are a specified foreign financial asset for Form 8938. For an American living abroad and filing jointly, the threshold is $400,000 at year end or $600,000 at any time. Our guide to directly held foreign stock on Form 8938 explains how shares already reported on Form 5471 still count towards that threshold. By contrast, shares held directly are not an FBAR account, although preference shares held through a UK nominee or broker account bring that account onto the FBAR.
Illustrative Case Study: A Founder's £2 Million Preference Share Subscription
Morgan is an American citizen who has lived in London for twelve years and is an additional-rate UK taxpayer. Morgan owns 30% of the ordinary shares of a UK trading company, and the other 70% is held by British investors, so the company is not a CFC. In 2026, the company needs £2,000,000 to fund an acquisition, and Morgan provides it by subscribing for new nonvoting preference shares carrying a fixed cumulative 8% dividend. The shares must be redeemed after five years at £2,200,000. For readability, all figures are in sterling, although the US return converts each item into dollars at the appropriate rate, and the company has ample earnings and profits.
First, the coupon. Each year Morgan receives £160,000. HMRC charges 39.35%, or £62,960. On the US return, the dividend is qualified, so the regular US tax is 20%, or £32,000, which the UK credit eliminates completely. However, the 3.8% net investment income tax adds £6,080 that no credit can reduce. Moreover, because the UK rate exceeds 37%, the coupon is high-taxed income in the general basket, and the surplus UK credit of £30,960 cannot be used against passive income.
Second, the premium. The £200,000 premium is far above the de minimis threshold of £27,500, so Morgan accrues it on a constant yield of about 1.92% a year. That produces deemed dividends of roughly £38,500 in year one, rising to about £41,500 in year five. Each accrual carries roughly £7,700 to £8,300 of US tax at 20%, plus net investment income tax of about £1,500, and none of it is offset by UK tax, because HMRC has taxed nothing yet. Over five years, Morgan pays roughly £47,600 of US tax on income that has never been paid.
Third, the redemption. In year five, HMRC taxes the £200,000 premium as a distribution at 39.35%, which is £78,700. That credit can absorb the US tax on the year five accrual and, by carryback, year four. However, the roughly £23,500 of regular US tax paid on years one to three is beyond the one-year carryback, so it remains double taxed unless Morgan has other low-taxed passive income in the following ten years.
Finally, the largest risk. Morgan still holds 30% of the votes after the redemption, so section 302(b)(2) is unavailable and a meaningful reduction is hard to show. If the IRS treats the redemption as a dividend, the whole £2,200,000 becomes a section 301 distribution, with US tax at 23.8% of about £523,600, against UK tax of only £78,700. Morgan's £2,200,000 basis would move to the ordinary shares and only be recovered on their eventual sale. By contrast, had Morgan funded the company with a properly documented loan, the repayment of principal would have been tax-free in both countries.
Seen in the round, the same £2,000,000 could cost Morgan anything from about £80,000 to over £500,000 of additional US tax, depending entirely on drafting decisions made before the money moved. That is why the structure should be modelled on both returns at the outset.
What to Do If Past Returns Missed Your Preference Shares
Because UK accountants rarely flag the US consequences, we regularly see American shareholders whose earlier US returns reported preference coupons as ordinary dividends while omitting redemption premium accruals, Form 5471 Category 3 filings and Form 8938 entries entirely. If that describes your position, the right fix depends on whether the omission was non-wilful, how many years are affected and whether income tax, as well as reporting, is missing.
Where only information returns are missing and all income was reported, a delinquent information return submission with a reasonable cause statement may be appropriate. Where income such as constructive distributions was also omitted, amended returns or, for those living abroad who qualify, the IRS Streamlined Filing Compliance Procedures may be needed. Our IRS Streamlined filing service and FBAR and FATCA reporting service handle these catch-up filings, while our US tax returns for expats team prepares the ongoing returns once your history is clean. Where the main question is how UK and US tax interact on the coupon and redemption, our tax treaty optimisation service reviews the foreign tax credit position across all affected years.
How to Structure Preference Shares for an American Holder
Ideally, the US position is designed into the share terms rather than discovered afterwards. In our experience, four drafting decisions make the greatest difference.
First, decide deliberately whether the instrument should be debt or equity for US purposes, and document that view. If the commercial aim is simply to lend money to the company, a loan note often produces a cleaner result, because principal is repaid tax-free and interest is credited in the same year it is taxed. Second, avoid a fixed redemption premium where possible, or keep it below the de minimis threshold, so that no phantom income accrues. A higher coupon paid in cash normally achieves the same economics without a timing mismatch.
Third, plan the exit before the shares are issued. If preference shares are to be redeemed while the American still holds ordinary shares, consider redeeming a proportion of the ordinary shares at the same time, so that section 302 can be satisfied, or use a sale to a third party instead. Fourth, model the CFC value test, including future falls in the value of the ordinary shares, and check the effect on BADR for every UK shareholder before the articles are amended.
Throughout, keep the US records that HMRC never asks for, including the issue price, the redemption terms, the constant-yield schedule, annual earnings and profits estimates and the exchange rates used, because a US return may need them a decade later.
Contact Us
If you hold preference shares in a UK company, or are about to subscribe for them, we can review the share terms, model the US and UK tax over the full life of the instrument and prepare both sets of returns. We also put right past returns that missed constructive distributions, Form 5471 filings or Form 8938 entries. To discuss your position, book a consultation with our US-UK specialists, email hello@taxyork.com or call 020 3488 8606.
Written by the TaxYork Expert Team — US-UK tax specialists.
Disclaimer
This article is for general information only and does not constitute tax, legal or financial advice. Tax rules in the United States and the United Kingdom change frequently, and their application depends on your individual circumstances, including the precise terms of your shares, your other holdings and your residence history. The figures in the case study are illustrative and rounded. You should obtain professional advice tailored to your situation before acting on any information in this article. TaxYork accepts no liability for any loss arising from reliance on this content.