Cut your tariff bill by 50%.
We recover overpaid duties, reclassify your goods, and lower your landed cost.
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Three promises we make to every importer we file for.
Reduce landed cost
Expert-led tariff classification and duty planning. We read every entry like a line item on your P&L — because it is.
Built-in reliability
Customs expertise that keeps you compliant and focused on your business — not sweating border delays.
Transparent pricing
Every import. Every export. One flat rate. No surcharges. Volume pricing for high-frequency shippers.
Get a quote before the entry is filed.
Bring your commercial invoice, packing list, bill of lading or arrival notice, and any HTS or origin questions. We review the entry profile before CBP filing so you know the brokerage, ISF, bond, and compliance scope upfront.
Book a quote review →We check the invoice, packing list, bill of lading, consignee details, and filing timeline for missing data.
We flag classification, origin, bond, PGA, and ISF questions before the shipment reaches the port.
You see what is included, what is pass-through, and what we need before filing starts.
See the desk before you book the call.
Drop a commercial invoice on the self-serve import desk and watch it become a classified duty schedule — HTS lines, Section 301 exposure, rules-of-origin savings — in about two minutes. It's the same desk our licensed brokers work from, loaded with a sample shipment so you can walk the full flow.
Open the import desk →Getting started is simple.
Book a 30-minute consultation.
We learn your business — what you're shipping, where it's going, and where you're exposed.
We set you up.
Self-service portal for filings, or just email us your documents. Whichever's easier for you.
We handle it from here.
Fast filings. Accurate classifications. Ongoing tariff optimization — all taken care of.
Built for hardware importers where one entry mistake changes margin.
Electronic Components & Connector Distributors
SKU-level HTS audits, Section 301 China cleanup, AD/CVD screening, PSC/protest support, and broker coordination for recurring component entries.
Learn more →Aerospace & Space Precision Components
Material-flow HTS review, Section 232/AD/CVD monitoring, country-of-origin defense, and DFARS-ready customs documentation for AS9100 supply chains.
Learn more →EV Battery & Drivetrain Importers
FEOC/IRA evidence packets, UFLPA screening, lithium-battery escalation, HTS review, and broker routing for battery and drivetrain imports.
Learn more →Robotics & Industrial Automation
Classification and first-import controls for actuators, sensors, robot compute, motors, lithium batteries, frames, chargers, and fast-changing robot BOMs.
Learn more →AI Compute & Datacenter Hardware
Customs-side classification, valuation, first-sale files, Section 301 stack review, and broker coordination for high-value AI infrastructure imports.
Learn more →We built Greenwich Mercantile because importers deserve a broker who reads every entry like it's a line item on their P&L.
Questions, answered directly.
The five we hear most. For anything else, a 30-minute call is usually faster than email.
Greenwich Mercantile coordinates filings through licensed customs broker partners at transparent, flat-rate pricing per import or export. The rate is the same regardless of shipment size, complexity, or number of filings. No surcharges. No hidden fees. For a full industry breakdown of per-entry pricing, section 301 fees, bond fees, and hidden costs, read our complete guide to customs filing costs.
Every filing is guaranteed to be completed within 30 minutes of receiving your documents. That's not an average — it's our service level agreement.
Most filings get rubber-stamped. Greenwich Mercantile conducts expert-led tariff classification reviews to identify opportunities to legally reduce your duty spend.
Customs holds typically result from classification errors, missing documentation, or compliance flags. Our process is designed to prevent holds before they happen — and to resolve them the same day if they do.
Yes. We handle setup of importer numbers, continuous bonds, and POA in a single onboarding session. Most new importers file their first entry within a week.
The Greenwich Brief.
Subscribe and we'll send the Free 2026 Tariff Stacking Checklist immediately — then one issue per month for importers who'd rather read it from us than learn it from a CBP form.