Current UK tariff validation
The recommended code is checked against the current UK tariff before it reaches the result. A plausible-looking code from a general model still needs that verification step.
What's in the product
See the complete workflow: how product information is structured, how a recommendation is formed, what current HMRC measures apply, and what stays in the record for review.
Purpose-built workflow
General-purpose AI can help explore a classification. It does not, by itself, verify the result against current HMRC measures or keep a structured record. TariffFlow is the controlled workflow around that decision.
The recommended code is checked against the current UK tariff before it reaches the result. A plausible-looking code from a general model still needs that verification step.
Duty rates, preferences, and tariff measures change. Every TariffFlow plan pulls duty, VAT, and measures from HMRC for the selected code when you classify.
A chatbot gives you a code. HMRC demands a declaration — with the right documentation codes, origin controls, and any additional duty measures. TariffFlow surfaces all of it on the same page.
Every plan produces a dated, artifact-signed Case Pack PDF with the product facts, reasoning, alternatives considered, and current tariff data on the case.
TariffFlow asks a follow-up when a missing fact could change the route through the tariff, so the question stays connected to the classification decision.
UK-specific nomenclature, HMRC conventions, GRI application, and tariff footnotes — versus a general-purpose model trained on the whole internet. Depth beats breadth when the declaration has to be right.
Inputs
Some importers have a rich datasheet. Others have a WhatsApp message from a supplier. Some only have a photo. TariffFlow accepts all three and extracts structured facts from whichever you give it.
Paste whatever you know — a sentence or a paragraph. Structured attributes (material, function, form, use case, packaging) are pulled out before classification starts, so you don't have to fill in a spec form.
Drop a manufacturer datasheet. The text is read directly — spec tables, compliance sections, feature bullets — and fed into the classification context. No retyping spec sheets.
Upload a product photo and TariffFlow writes a structured description before classify runs. Useful when you have the item in hand but no paperwork.
One-click re-run against today's HMRC data for any product you've saved. Fast check when a tariff has changed, a code review is due, or a new shipment of a familiar item needs signing off.
Classification quality
A single AI call asking for a code is what a chatbot gives you. TariffFlow walks the HMRC tariff in the same order a customs broker does, cites the rule it used at each level, and interrogates its own answer before you see it.
Every code you see is checked against the current UK tariff. A chatbot can invent a 10-digit number that looks real and isn't; we don't — ever. If the code doesn't exist or has expired, it doesn't reach your screen.
The recommendation you see has already been challenged internally — a critique pass flags low-evidence picks, wrong-chapter risks, and overlooked alternatives as risk flags on the Case Pack. A chatbot just answers; we interrogate.
Section → chapter → heading → leaf, with the relevant General Rule of Interpretation cited at every step. The same structure a HMRC auditor or customs broker follows when reviewing a classification.
If the answer genuinely depends on something you haven't said (essential character, coated vs plain, knitted vs woven), TariffFlow asks one clarifying question. No busywork — if the facts are clear, it doesn't ask.
Every rejected section, chapter, heading and leaf appears with a reason — "rejected 9506 because fishing tackle is more specifically named in 9507." If it ever comes to audit, the defence is already written.
Live HMRC intelligence
The recommended code triggers a live call to the HMRC Trade Tariff. Duty and VAT are the floor — what TariffFlow actually surfaces is the preferential rates, anti-dumping measures, required documents, origin controls, and footnotes that actually drive your declaration.
Third-country MFN duty and VAT rate fetched from HMRC at the moment you classify — not a cached table that drifts week-on-week.
Every HMRC-published preference for the code — CPTPP, DCTS, UK-EU TCA, UK-Japan CEPA, UK-Australia, UK-Canada, and more. See duty-optimisation opportunities by origin in one place.
Red-banner warning when additional duty applies on top of the headline rate. Critical for steel, chemicals, textiles, and solar products sourced from countries under active measures — the kind of number you don't want to discover at the border.
The C-, Y- and 9-series codes HMRC requires on your customs declaration, each with the full description. Most tools make you look these up manually; we include them on every Case Pack.
Licence requirements, sanctions markers, import controls on luxury goods, export controls for dual-use technology — flagged by origin so you know before the shipment moves.
Some codes require you to declare in pairs, kilograms, number of items, or litres alongside value. We tell you which unit HMRC expects — a missing supplementary unit is a common border rejection.
HMRC updates codes every year. If the leaf you picked has a scheduled end date, the Case Pack prints "this code is scheduled to change on DATE" directly below the recommendation.
Every Case Pack points to HMRC's Advance Tariff Ruling service. A Case Pack is not a ruling; apply separately if you need a decision that binds HMRC for your specific goods.
HMRC attaches footnotes to codes carrying licence conditions, export controls, quotas, and special provisions. TariffFlow surfaces the available footnotes alongside the selected code.
Audit trail
A classification without a paper trail is harder to review later. Every TariffFlow case produces a structured, portable record for internal review or handoff to a customs broker or finance team.
A printable, shareable record of the recommendation, product facts, reasoning walk, alternatives, evidence, and measures available at classification time.
The PDF is digitally signed as a TariffFlow artifact and recorded with a file hash. This checks the issued file's integrity; it is not a qualified electronic signature or proof that a named professional approved the classification.
Send a clean, read-only case view to finance, a broker, or a client. No account is required, and you can revoke the link later.
Every saved classification is searchable by name or code. Look up what you decided last time, re-run it against current HMRC data, or hand the record to an auditor in seconds.
Every Case Pack, share link, and response carries the "AI-assisted, verify before customs submission" disclosure. This is decision-support — not a binding ruling — and we're explicit about it.
Free gives you five complete classifications per billing period, including Guided questions, current HMRC measures, Case Packs, sharing, and the full library. No card required.