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Editorial standards
IR35 Verdict publishes tax content that people use to make decisions about their income. These are the rules we hold ourselves to, written down so you can check whether we are following them.
Every number is either computed or sourced
No figure appears in our content unless it meets one of two tests. Either it is computed by the same tax logic that powers the public calculator, with the assumptions stated in the article so you can reproduce it, or it carries a link to the primary source: HMRC, the legislation itself, a tribunal judgment, an insurer's published pricing, or a Freedom of Information release.
Ranges are held to the same standard as point figures. "Typically £12,000 to £22,000" is a numerical claim and needs the same backing as a single number. A worked example is an invitation for you to check the arithmetic, so a figure you cannot reproduce from the stated assumptions is worse than no figure at all.
We say when we cannot model something
Where the calculator cannot represent a situation, we state that rather than inventing a number. Student loan repayments, Scottish and Welsh income tax bands, the VAT flat rate scheme and mid-year status changes are all outside what the model covers, and the calculator page says so explicitly. A tool that quietly guesses is less useful than one that names its limits.
Case law is cited, not paraphrased from memory
Where we describe what a case decided, we name it and link the judgment or HMRC's own guidance on it. Ready Mixed Concrete (1968), Autoclenz v Belcher (2011), Atholl House (2022) and PGMOL (2024) are referred to throughout our content because they are the cases tribunals actually apply, and we would rather you read them than take our word for it.
Corrections and revisions
When tax rates or thresholds change, we recompute every dependent figure in the same revision rather than updating the headline and leaving stale numbers in the body. Where an article has been substantively revised, the updated date is shown beneath the title and recorded in the page's structured data.
If you find a figure you cannot reproduce, or a claim you believe is wrong, we want to know. We would rather correct an article than defend it.
Commercial relationships
Some links to insurance providers are affiliate links, and we may earn a referral fee. Any article containing one carries a disclosure at the foot of the page. Affiliate relationships do not determine which providers we cover or what we say about them: our insurance content states plainly where a provider does not publish its pricing, where it is not the cheapest, and where it is not accessible directly.
The calculator and the contract checker are free and carry no advertising. The only paid product is a £9.99 one-off compliance report.
What we are not
IR35 Verdict is not a regulated tax adviser, an accountant, or a law firm, and nothing here is tax or legal advice. We do not determine anyone's IR35 status, because only a tribunal does that. Where a human contract review or an insurance-backed opinion is the right answer, our guide to CEST alternatives names the firms that provide them and says where they fit better than a self-serve tool.
Contact
Corrections, questions and complaints can be sent to hello@ir35verdict.co.uk. Our privacy policy sets out how we handle data, including uploaded contracts.