Most "free" UK money sites are funded by referrals, affiliate links, lead generation, or sponsored content. This is the explicit list of things UK Tax Drag does not do, so you can decide for yourself whether the calculators and guides are written for you or for someone else.
Every line below is enforceable. If you ever find content on the site that breaches one of these, tell the Editor through the contact form and the page will be corrected.
What we do not do
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No affiliate links
You will not find any "open an account here and we get a commission" link on the site. Not for ISAs, not for SIPPs, not for mortgage brokers, not for crypto exchanges, not for accountants. Where we name a product (e.g. iShares, Vanguard, named ETFs), it is for educational comparison only.
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No sponsored content
No section, paragraph, calculator, or recommendation has ever been written in exchange for payment. There are no "in partnership with" articles, no advertorials, no PR-placed content, and no paid mentions of brands or platforms.
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No SEO link buying or selling
No paid backlinks have been bought to lift the site in Google. No outbound links on the site are sold. No guest-post network. No "do-follow" reciprocal arrangement. Outgoing links go where the content actually points (gov.uk, HMRC, FCA, MoneyHelper, named product issuers).
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No paywall, no "premium" tier, no upsell
Every calculator and every guide is freely usable without a login, without an email, and without a "subscribe to unlock" interstitial. The site has no paid tier and no plans for one.
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No data selling or email scraping
You can use every calculator without entering an email address, and calculations run in your browser rather than on a UK Tax Drag server. Scenario sync by email and newsletter sign-ups are paused, so the only place the site asks for an email address is the contact form. The site uses Google Analytics 4 and Google AdSense, both subject to your consent: Analytics loads only if you accept analytics cookies, and AdSense shows personalised ads only if you consent to them. The site does not use fingerprinting and does not sell data. Full detail on the privacy page.
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No regulated advice posing as education
The site is not authorised by the Financial Conduct Authority and does not pretend to be. Nothing on it is personal financial advice. Calculators frame a question; they do not answer it for your specific case. See the content disclaimer for the full statement.
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No AI-generated content masquerading as expertise
Pages on UK Tax Drag are drafted, edited and coded with the help of AI tools. Every tax figure and rule is checked against HMRC, GOV.UK or another primary source, and the Editor reviews each change before it is published. The editorial policy sets out how AI is used.
What we do
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Publish our methodology
Each calculator's About this calculator footer states the tax year used and the assumptions baked into the model. Most calculators link to a methodology page that documents the formula step-by-step.
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Cite primary sources
Every rate, threshold, allowance, or rule on the site is verifiable against an HMRC bulletin, a gov.uk page, an FCA publication, a Bank of England rate notice, or named primary legislation. The "Sources & references" panel on calculators makes those citations one click away.
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Keep the calculator code inspectable
The calculator JavaScript is plain, unminified, and served straight from /assets/. You can open browser DevTools on any calculator and read the actual maths. There is no obfuscated bundle hiding the calculation.
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Date everything
Every calculator and guide carries a byline crediting UK Tax Drag and, where a review is recorded, the date of the last review by the Editor. The date changes only when the page is actually reviewed, not on every deploy. If a Budget has changed something the page has not yet reflected, the date tells you to double-check.
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Correct errors openly
If you find a bug, an outdated figure, or a calculation that disagrees with HMRC's official tools, the contact form goes to the Editor. Substantive corrections are listed with the date in the changelog.
Why this matters: the dominant business model in UK consumer finance content is to convert reader trust into a referral fee. That model is legitimate but it bends content. Every UK consumer-finance site that quietly recommends a particular ISA platform, mortgage broker, or comparison engine is doing so for an economic reason. UK Tax Drag has explicitly stepped outside that loop so the calculations and guidance can answer the user's actual question, not the question that pays the most.
Every page is reviewed against the editorial standards, written from primary sources and sourced openly, with corrections listed in the changelog. No affiliate revenue. No sponsored content. No paid placements.