Customs broker
A customs broker is an agent licensed by a national customs authority (in the US, Customs and Border Protection) to file import entries, classify goods, and pay duties on behalf of importers. Brokers handle clearance paperwork and partner government agency requirements, but legal liability for accurate declarations stays with the importer of record, not the broker.
Examples
Entry audit: A trade manager pulls 25 of the quarter's 410 entries and checks them against the internal classification file. Three show the broker defaulted to a prior code after a part revision; corrections are filed, and the SOP now requires sending the updated profile with every booking.
Broker and forwarder split: An importer uses a forwarder for ocean freight from Shenzhen at $2,850 per FEU but keeps brokerage with a specialist firm at $125 per entry, because its products trigger FDA review and entry errors cause week-long holds.
Definition
The cleanest way to separate the roles: a freight forwarder moves goods, a customs broker makes them legal to enter. The broker files the entry, declares value and origin, applies the HTS classification, pays duties on the importer's behalf, and coordinates other agency requirements (FDA, EPA, and similar) at the border. Many logistics providers sell both services, which blurs the distinction commercially but not legally: brokerage requires a license and a power of attorney from the importer.
What a broker does not do is absorb your risk. Reasonable care sits with the importer of record, so if a broker enters parts under the wrong classification for three years, the back duties and penalties land on you. Treat the broker as an executor of your instructions: maintain your own classification database, send it with every shipment profile, and audit a sample of entries each quarter instead of discovering errors at liquidation. Broker selection matters most where complexity lives, meaning multi-country sourcing, trade remedies, preference claims, and security programs like CTPAT, where the broker is one of the business partners an importer is expected to vet.
Frequently asked questions
What does a customs broker do?
A customs broker is an agent licensed by a national customs authority, in the US by Customs and Border Protection, to file import entries on behalf of importers. The broker declares value and origin, applies the HTS classification, pays duties on the importer's behalf, and coordinates other agency requirements such as FDA or EPA review at the border.
What is the difference between a customs broker and a freight forwarder?
A freight forwarder arranges the physical movement of goods, while a customs broker handles their legal entry into the country. Many logistics providers sell both services, which blurs the distinction commercially, but brokerage is legally separate: it requires a license and a power of attorney from the importer. Some importers deliberately split the roles, using a forwarder for freight and a specialist broker for entries.
Is the customs broker liable for entry errors?
Legal liability for accurate declarations stays with the importer of record, and a customs broker does not absorb that risk. If a broker enters parts under the wrong classification for three years, the back duties and penalties land on the importer. Reasonable care is the importer's obligation and cannot be outsourced to the broker.
How should importers manage a customs broker?
Treat the customs broker as an executor of your instructions rather than the owner of your compliance. Maintain your own classification database, send it with every shipment profile, and audit a sample of entries each quarter instead of discovering errors at liquidation. One quarterly audit of 25 entries out of 410 caught three where the broker had defaulted to an outdated code after a part revision.
When does customs broker selection matter most?
Customs broker selection matters most where complexity lives: multi-country sourcing, trade remedies, preference claims, and security programs such as CTPAT, where the broker is one of the business partners an importer is expected to vet. Products that trigger FDA review are a good example, since entry errors there can cause week-long holds.