Supercargo

About

Built by someone who needed the number

Supercargo came out of an importing business, not a product workshop.

The name is older than the software. On a merchant ship, the supercargo was the person the cargo’s owner put aboard to look after their trade — to know what the goods had cost, sell them at each port, buy the next cargo and keep the accounts. That is the job: what every unit really cost, when to buy again, and what it does to the cash.

JG Core Ltd operates a construction-materials import business — sourcing from China, Turkey and India, and selling on. Running it meant building a landed-cost engine: FOB, exchange rate, freight, duty, and the anti-dumping measures that can turn a four per cent heading into something closer to seventy-four.

The thing that kept being surprising was not the arithmetic. It was how far the real per-unit cost sat from the number sitting in the spreadsheet — and how completely invisible that gap was to every tool downstream of it.

Amazon sellers have exactly the same problem and, mostly, no idea. Every analytics tool in that market asks for a cost per unit and then computes beautiful margins on top of whatever gets typed in. None of them check it. None of them can, because the evidence lives on a customs entry that the software has never seen.

That is where the product starts: a reconciliation, not a guess. Every order-by date, stockout cost and cash forecast Supercargo shows is built on that reconciled number.

Why the United States

Chapter 99 charges the official tariff file leaves out — and your filed entry, which nobody else has.

Because the arithmetic there is worse, and worse in a way nobody is watching. US customs value excludes freight, so the basis error that dominates European importing simply is not the story. The story is Chapter 99: a Section 232 derivative heading charging 25% on the full customs value of a stainless-steel article, sitting on top of a 2% rate, on a commodity code that never appeared on any Section 301 list. The official machine-readable tariff export does not carry it. We have read that file — its Additional Duties column is empty on every one of the 955 consumer-goods rows and 125 primary-steel rows we checked, and it still prints live rates for 73 Chapter 99 headings that were abolished in February. It is wrong in both directions at once.

We are not claiming to know tariffs better than anyone else. That claim is disproved in one browser tab — Zonos publishes a perfectly accurate current picture for free, and so do others. What nobody else has is your filed entry. The number that decides whether your margin is real is not the published rate; it is what was actually assessed on your entry summary, line by line, against goods you can identify. That is the only thing here that is genuinely ours to do, and it is why the product reconciles rather than advises.

Where we are, and what that means for your data

An English company. Your entry data arrives from a report you schedule, and stops when you delete it.

JG Core Ltd is an English company, registered in England & Wales, and the founder works from the UK. You would find that out in a minute on Companies House, so here it is in the first sentence instead. The market we are building for is US importers of record, and the UK is the second market rather than the first.

The question underneath that is a fair one: what can a small overseas company actually do with your customs data? The answer is a short list, and it is short by architecture rather than by promise. Your entry lines reach us because you schedule an ITRAC report inside your own ACE account, to an address you choose, and you delete the schedule when you want it to stop. We hold no CBP credential, no filer code and no power of attorney. We cannot transmit anything to CBP on your behalf and we cannot retrieve anything either. If this company vanished tomorrow, nothing of yours would have to be unwound — the report simply stops going out. The security page sets out the whole list, and marks which claims you can verify for yourself today.

Where the company is up to

The audit is open and delivered by hand. The software is in build, in that order on purpose.

The audit is open and delivered by hand, on your own entry summaries. The software is in build, and the order is deliberate: reconcile real entries first, learn what the documents actually look like, then automate what we have already done by hand. Come in at this stage and you get the founder on the phone and a price that will not be offered later.

What we will not do

We are not a licensed US customs broker and we do not conduct customs business. That is not a temporary state of affairs: 19 CFR 111.11(a)(1) requires an individual licensee to be a US citizen, and our founder is not one, so there is no version of this company that quietly becomes your broker later. We would rather you heard that from us than worked it out.

What that rules out

No commodity codes, no filing, no classification advice — and where we disagree with your broker, your broker governs.

What follows from it is the shape of the product, and CBP has drawn the line in its own rulings. Auditing entries that have already been filed, and telling you what they say, is expressly permitted work for an unlicensed party. Telling you what to put on an entry that has not been filed yet is not, and a disclaimer does not save it. So we will not propose a commodity code from a product description, we will not file anything, we will not give classification advice in or out of hours, and where our output disagrees with your licensed broker, your broker governs — which is written into the terms as clause 10, not printed in a footer.

We also will not sell your data to anyone, aggregated, anonymised or otherwise. For marketplace-derived data that is not only a promise; Amazon’s acceptable-use policy forbids it, which is a more reliable guarantee than our good intentions.

Company details

Legal entityJG Core Ltd
Trading nameSupercargo
Company number16218779
Registered inEngland & Wales
Registered officeC/O Burton Varley Ltd, The Counting House, 24 Richmond Road, Bowdon, Altrincham, WA14 2TT, England
Enquiriescontact@getsupercargo.com

Email only, answered from the UK, first response within one business day. Write during a US afternoon and the reply usually lands before you start the next morning; write at nine in the morning Eastern and you have caught the end of our day. There is no phone queue and no chat widget, because there is one of us and answering properly takes longer than answering instantly.

Start with the audit

Your last twelve months of entries, reconciled to the unit, for a fixed £900$1,200€1,050. Credited in full against your first year, and refunded in full if the variance is under 2%.

Start with the auditTry the demo first