Where that comparison exists it is the one to start with, and it is called an internal comparable. If your company sells the same product to unrelated customers, the price it achieves there is direct evidence of what independent parties agree. The caution is that the two sales must be comparable on the things that move price: quantity, contract length, delivery and payment terms, the market the customer sits in, the stage of the product's life, and whether either sale carries services the other does not. Where those differ and the difference can be measured, the comparison can be adjusted. Where the third-party sales are occasional and the related-party flow is the bulk of the business, the comparison weakens.
Comparable uncontrolled price — meaning in cross-border tax
Comparable uncontrolled price: the meaning, where it applies, and the filing it changes.
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The most direct transfer-pricing method, using the price in a genuinely comparable third-party transaction. Reliable when a close comparable exists, and rarely available.
Where the money is
These terms turn on functions, risks and evidence rather than on contracts. Where the paperwork says one thing and the conduct says another, authorities follow the conduct.

Where the definitions diverge
Where two systems classify the same thing differently, the tax result can be worse than either system intends — a deduction with no matching inclusion, or income taxed in two hands. Anti-mismatch rules now neutralise several of those outcomes rather than leaving them available.
Where it turns up
Definitions are easier to hold onto once attached to a filing. Comparable uncontrolled price shows up in each of these.
What it means for your own file
Knowing the term is the first half. Knowing whether it applies to your year, and what evidence proves it, is the half that changes the outcome. We would rather scope it properly than quote it quickly.
These entries stop at the point where the answer starts depending on your own facts. Past that line a page cannot be right for everyone, and being confidently wrong in general is worse than being useful in outline.
Checked and signed off for the 2025 and 2026 filing seasons by Udit Gupta, International Tax, Cross-Border Tax & Transfer Pricing Expert, Legal Quotient Consultants. Published as general information. For a position on your own file, call the 24-hour helpline.
Where international tax accountant comes into this file
People reach this page searching for international tax accountant. It is covered here as it applies to comparable uncontrolled price — who it applies to, what has to be filed, and what it costs, at a fixed fee agreed before the work starts.
What these engagements turn on
Commodity purchases tested against a quoted market reference
A group bought a processed raw material from a related supplier abroad. A recognised market quotation existed for the underlying commodity, published on defined terms. The work was to identify how the group's own transactions differed from those terms — delivery point, processing stage, contract period and payment terms — and to evidence an adjustment for each from the company's own freight and funding costs. The engagement produced a priced position built from the quotation and a schedule of adjustments, each traceable to a document rather than to judgement.
Using sales to unrelated distributors as internal comparables
A manufacturer supplied the same product range to its own distribution company in one country and to unrelated distributors in two others. The technical question was whether those markets were comparable enough to use directly. We compared customer size, order patterns, competitive conditions and the support each distributor received. One territory was usable and the other was not, for reasons we set out. The engagement produced a price comparison drawn from the group's own third-party dealings, with the rejected territory documented so the choice is visible on the file.
Abandoning a price comparison on a branded product
A group had been testing sales of a branded consumer product against prices for unbranded equivalents, with a percentage uplift applied to bridge the difference. The uplift had no evidential basis and carried most of the answer. We tested whether any close comparable existed and concluded that none did. The order of work then reversed: functions first, method second. The engagement produced a reasoned rejection of the direct price comparison, recorded on the file, and a margin-based analysis of the distributor instead.
A single third-party sale relied on as the whole comparison
One sale to an unrelated buyer, made in a different year and at a fraction of the related-party volume, had been used as the sole support for a pricing position. The work examined how much weight a single transaction can carry, and whether the volume difference could be adjusted from the seller's own discount practice. It could not, because the seller had no comparable third-party volumes. The engagement produced a documented assessment of why that comparison was not sufficient, and an alternative position built on evidence that was available.
Long-term related supply compared with spot third-party sales
A related-party contract ran for several years at a fixed formula, while the third-party sales offered as comparables were made at spot prices, one order at a time. The prices differed and the reason was the contract, not the goods. The work isolated what the parties had exchanged for price stability — committed volume on one side, security of supply on the other — and asked whether independent parties price that differently. The engagement produced an analysis of the contractual difference, a comparison adjusted for it, and a formula rewritten for later periods.
A service charge tested against third-party quotations
An intra-group technical service was charged at a rate nobody could source. The group had, some years earlier, obtained quotations from unrelated providers for comparable work. The work was to establish whether the scope quoted matched the scope actually delivered internally, including supervision and travel, and to bring the quotations to the right period. The engagement produced a priced rate supported by those quotations, a scope description that matched what was delivered, and a record of the differences accounted for.
Trips That Added Up to a Filing Obligation
Short visits are tracked against a treaty threshold that is measured over a moving window rather than a calendar year. Where the threshold is passed, the obligation reaches back over the whole period.
Read how this one runsTreaty Rate Refused Because the Paperwork Was Missing
A reduced rate under a treaty is available only where the payer is satisfied the recipient is resident in the treaty country. The certificate and the withholding form are what make the rate available at source instead of recoverable a year later.
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Also asked about Comparable uncontrolled price
Because a direct price comparison is demanding about product similarity. Margin-based methods tolerate differences between products because they test a return on functions; a price comparison does not, since a small difference in specification, brand or bundled service can move a price substantially. So the method is realistic for goods that are close to fungible and for well-defined services, and largely unavailable for differentiated or branded products, or anything sold with support that varies by customer. The absence of a comparable price is a finding, not an oversight. It is what pushes the analysis towards testing a margin instead.
Usually not on its own. A list price tells you what was asked, not what was transacted, and the discounts, rebates, volume terms and payment periods that made up the real price are exactly what you cannot see. A published quotation for a commodity traded on a recognised market is a different matter, because the terms behind the quotation are defined and the adjustments needed to reach your own circumstances can be identified. The distinction is whether you can see enough of the surrounding terms to make the figure comparable, rather than whether the source is public.
Similar on every characteristic that affects the price a buyer would pay. Physical specification is the obvious one, but so are quality and reliability, availability, the presence of a brand, any warranty or support supplied with it, and whether the buyer receives exclusivity in a territory. Two items can be technically identical and still not comparable if one carries a brand the market pays for. The practical test is to ask what a buyer negotiating at arm's length would treat as different, and then ask whether that difference can be quantified from evidence.
Some can. Where a difference is mechanical and evidenced — freight and insurance to a different delivery point, a discount schedule the seller applies to unrelated customers by volume, a payment period that can be priced from a funding cost — an adjustment improves the comparison. Where the difference goes to something less tangible, such as brand strength or a bundled service, adjustment becomes an estimate dressed as arithmetic. A long list of adjustments is a signal that the comparable is not close enough. Two or three evidenced adjustments to an otherwise close transaction is the shape this method should have.
Where a genuinely close comparable transaction exists, yes, because it tests the actual price rather than inferring it from a return. It relies on fewer assumptions and it is easier to explain. That preference only holds while the comparable is close, though. A weak price comparison is less reliable than a well-built margin analysis, and stretching one with a series of unevidenced adjustments produces a position that looks precise and is not. Choose the method the available evidence supports, and record why the others were set aside.
No — and if you came here to calculate FTP, this is not it. Fund transfer pricing is a bank's internal allocation of funding costs and benefits between its own business units, a treasury and asset-liability management discipline used to measure branch or product profitability. Tax transfer pricing is about prices between legally separate related parties across borders, and about which country taxes the resulting profit. The words overlap; the fields do not. See our transfer pricing work.
The inheritance itself is often not income to you, but three other things can create tax: the estate may owe tax where the deceased or the property was situated, some countries tax the recipient directly, and the gain from the date you inherit to the date you sell is yours. Reporting obligations can also attach to holding the asset. See inheriting property abroad.



