Stay Compliant. Reduce Landed Cost.
The tech-enabled customs brokerage that cuts duty spend and eliminates border delays.
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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.
The math is usually the pitch.
Most brokers quote low, then add. We don't. Compare a year of filings at your actual volume.
See your custom quote →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.
Written for operators who already know what ISF means.
Food & Beverage Importers
FDA prior notice, FSVP compliance, import alert monitoring, and perishable hold response. We handle the regulatory complexity so your products clear the border.
Learn more →Nearshoring Manufacturers
USMCA qualification, rules of origin documentation, and country-of-origin compliance for manufacturers moving production to Mexico.
Learn more →E-commerce & DTC Brands
De minimis is gone. We get DTC brands through the transition to formal customs entry — with modern tools, flat pricing, and fast onboarding.
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 offers 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.
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 brokers file what they're handed. 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.
Monthly tariff intelligence for importers who'd rather read it from us than learn it from a CBP form.