Data Validation
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The All-in-One Solution for Your Digital Customs Clearance

Automate import, export, and transit on one central platform. Declarium combines customs software, customs services, and personal expert support for faster, more transparent workflows.

Declarium platform overview
Upload dialog in Declarium
Customs order form in Declarium
Proven in PracticeLeading companies trust us
24/7 Emergency Support

Digital. Automated. and Personally There for You.

We're bringing customs clearance into the 21st century without losing the personal touch. Because we know: in the customs business, smooth processes matter. Whether it's a query or a truck stopped at the border: we're just a call away. So you can focus on the important things.

More About Us
Declarium team collaborating in the office
Upload, Declare & Go

With Declarium, your Customs Processing Becomes Easier and Faster than Ever before.

Thanks to Declarium, our international processes finally run smoothly. We work much more efficiently and always have full visibility over customs and delivery - a real win.

Ingrid GebhardtHead of Order Management and Foreign Trade
fischerwerke GmbH & Co. KG

Grow Beyond Borders.

Unlock new markets with a digital customs infrastructure that grows with your global ambitions.

  • Switzerland: Export (Passar), Import (e-dec / Passar), Transit (Passar / NCTS).
  • Germany: Export (ATLAS AES), Import (ATLAS), Transit (NCTS).
  • Netherlands: Export (DMS Export), Import (DMS Import), Transit (NCTS).
  • Belgium: Export (AES), Import (IDMS), Transit (NCTS).
  • UK (Great Britain): Export (CDS), Import (CDS), Transport (GVMS/GMR/ENS), Transit (NCTS).
  • Poland: Export (AES/ECS2).
  • Austria: Export (ACCS AES).

From Invoice and ERP Data to Completed Customs Declarations.

Declarium ingests and validates data from PDFs, Excel/CSV files, or connected systems, creates import, export, and transit declarations, and provides status, references, and customs documents centrally. Our customs experts handle questions and exceptional cases directly within the same workflow.

Legally Compliant Customs Documents in Minutes

Upload invoice PDFs or Excel/CSV files, or submit your data through the REST API. When the information is complete and plausible, status, references, and customs documents are often available within minutes.

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Legally Compliant Customs Documents
in Minutes

Less Manual Work, Faster Customs Workflows

Structured data intake and automation reduce repeated entry, questions, and manual processing. Pricing is flexible per customs declaration or shipment, with no monthly fixed costs.

Less Manual Work,
Faster Customs Workflows

From Incomplete Raw Data to Complete Customs Declarations

The platform checks your data, supports commodity code classification and validation, and enriches required fields. Missing or uncertain data remains visible for review.

From Incomplete Raw Data
to Complete Customs Declarations

Transparency through Seamless Real-Time Monitoring

Say goodbye to cluttered lists and emails. Declarium consolidates all information about your declarations on one smart interface.

Transparency through Seamless
Real-Time Monitoring

Data Security and Compliance at the Highest Level

Your sensitive data is protected according to current security standards. Declarations, status, and documents remain centrally available, traceably archived, and easy to retrieve for later audits.

Data Security and Compliance
at the Highest Level
Explore the Platform
>400K

Customs declarations created

99.96%

Non-inspection rate

4:56Min

Ø Time to release

Turn Customs into A Competitive Advantage.

Customs processing reimagined: Simple, fast, and digital. Contact us now and receive a personalized introduction to our service in no time.