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Not legal advice. Ratio is not a substitute for qualified legal advice. Always consult a qualified lawyer in your jurisdiction for your specific situation. Privacy · Terms
Ratio — citation verification for UK law

Check the citation before the judge does.

Ratio verifies every case and statute your AI cites against the real record — flagging fabrications and foreign-jurisdiction authorities before they reach a filing.

Every citation checked — UK cases and statutes verified live against the National Archives and legislation.gov.uk, citations from other jurisdictions flagged as unchecked, never passed off as verified.

Not Legal Advice
This tool is for educational and analytical purposes only. Nothing produced by Ratio constitutes legal advice and no solicitor–client or attorney–client relationship is created by using it. Full terms apply.
We assume the AI is wrong
Every UK authority Ratio returns is checked against the real record; anything it cannot verify is marked unverified rather than presented as fact. AI can still misstate legal principles, so treat every case name, statute reference, and conclusion as unverified until you've checked it on Westlaw, Lexis+, BAILII, or your jurisdiction's primary databases.
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Verify before you rely. All case citations and conclusions are AI-generated and must be independently checked on Westlaw, Lexis+, BAILII, or your jurisdiction's primary legal databases. This does not constitute legal advice.
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Plans & Pricing

Choose your Ratio plan

Start free. Upgrade when you need more. Every plan checks UK cases and statutes against the real record, and Scan finds a free copy of any reading — and going yearly saves you $37.89 — two months free.

Three free checks a month, no card required. Students pay $12.99 instead of $17.99 — scan your student ID with your camera and the price unlocks in seconds.

Free
$0
3 verified checks a month · no card required

Run a citation through Ratio before you trust it. Good for occasional use.

  • 3 analyses per month
  • Analyse, Explain & Scan
  • PDF & document upload
  • Session history & export
  • Priority speed
Student price — 28% off
Student
$17.99$12.99
/ month · scan your student ID with your camera — verified in seconds
Save $5 a month · $60 a year

Everything in Monthly for anyone currently enrolled. Tap the button, point your camera at your student card, and the price is unlocked on the spot. The photo is never stored.

  • Unlimited analyses
  • All modes & export
  • Unlimited Scan look-ups
  • PDF & document upload
  • Priority response speed
Most flexible
Monthly
$17.99
/ month · cancel anytime — under 60¢ a day

Unlimited verified checks, every mode, and unlimited scans. For students, trainees, solicitors, and chambers.

  • Unlimited analyses
  • All modes & export
  • Unlimited Scan look-ups
  • PDF & document upload
  • Priority response speed
Best value — save $37.89 a year
Yearly
$215.88$177.99
/ year · one payment, 12 months covered — works out at $14.83 a month
Save $37.89 · 17% off · 2 months free

A full year of Ratio, paid once — $215.88 of monthly billing for $177.99. Pay for ten months, get twelve.

  • Everything in Monthly, unlimited
  • All modes, Scan, PDF upload & export
  • Priority speed + support
  • Multi-seat for firms on request

Secure payments powered by Stripe. Cancel anytime. All plans billed in USD.