aduanasHQ submits declarations directly to the Customs Operations System (SOFIA Plus) from a single screen. No logging into the DNA portal, no copying and pasting data, no typing errors.
Used by Paraguayan businesses in:
We are not a form that copies data. We are a certified API connection to the Customs system.
How it actually works
What you do now
We don't just submit to SOFIA Plus. We comply with all DNA and MERCOSUR regulations.
Customs Union Compliance
Asunción, Encarnación, Villeta
National Customs Directorate
Typical implementation: 30-45 days from contract to full operation
You provide: SOFIA Plus credentials, digital certificate, current data (Excel/CSV)
P4 provides: Implementation specialist (Spanish)
Format: Video conference (Zoom) or in person if available
Language: Spanish
Goal: 100% confidence before going live
Your decision: When to start production
Support: WhatsApp, email, phone
Hours: Mon-Fri 8AM-6PM EST
No. Keep using your current system while we set up P4. When you're ready, transition gradually.
Real cases from operations in Paraguay
Customs broker | Asunción
Processes more than 300 declarations per month for a range of importers. Specializes in MERCOSUR operations and river ports.
Use case: High import volume, multiple clients, SOFIA Plus integration with automatic RUC validation
Triple Frontier area | Ciudad del Este
Manages operations in the border area with Brazil and Argentina. Regional MERCOSUR trade with multiple daily flows.
Advantage: A single system for Paraguay, Brazil, Argentina. One platform, three countries
River terminal | Encarnación
River port operator on the Paraná River. Manages cargo bound for Argentina and connection to the Paraná-Paraguay Waterway.
Result: Faster clearances, reduced port costs, better customer service
Want to speak with a Paraguayan customer? Just ask during your demo.
A real API connection. We are not a web form that copies and pastes. aduanasHQ has direct integration via XML/SOAP API with the DNA's SOFIA Plus servers.
How it works:
Benefit: No copying/pasting, no logging into the SOFIA Plus portal, no typing errors.
Built-in automatic validation. P4 verifies RUC in real time before submitting declarations.
What we validate:
Benefit: Avoids rejections due to invalid RUC, which are the #1 cause of rejected declarations in SOFIA Plus.
Speed: Instant validation as you type. No need to verify manually in the SET portal.
Yes. P4 is designed specifically for MERCOSUR trade.
MERCOSUR features:
Use case: Import from Argentina. P4 applies the correct NCM, verifies the certificate of origin, and calculates the preferential MERCOSUR tariff automatically.
Countries covered: Argentina, Brazil, Uruguay, Venezuela (suspended). Paraguay has preferential access to a market of 260 million people.
Yes. P4 has active clients in Ciudad del Este.
Advantages for the Triple Frontier:
Typical case: An importer in Ciudad del Este brings goods from Asia via Santos (Brazil), clears them through customs in Paraguay, and exports part to Argentina. P4 handles the entire flow on a single platform.
Complexity: The Triple Frontier requires a robust system. You can't use simple solutions when operating in 3 countries simultaneously.
It depends on your operation. We don't have a single price because every client is different.
Factors that affect price:
What we do NOT charge for:
Get a quote: Complete a 5-minute questionnaire → Receive a quote within 24 hours.
Typical Paraguayan client: 3-8 users, 100-300 declarations/month. See example profiles →
Remote support with full Latin America coverage.
Support available:
Language: Our entire team speaks native Spanish. Also English and Portuguese for MERCOSUR operations.
Time zone: EST (1 hour behind Paraguay). Full coverage during your business hours.
Advantage: The same support team handles Paraguay, Argentina, Brazil, Uruguay. They understand MERCOSUR complexities.
See aduanasHQ in action with real Paraguay data. A 30-minute demo, no obligation.