FILE YOUR ISF ON TIME. AVOID CBP PENALTIES.
Think Big prepares and submits your Importer Security Filing (10+2) to U.S. Customs and Border Protection — accurately, on time, every shipment.
Important Disclaimer: Important Disclaimer: Think Big is an independent logistics and customs compliance service provider and is not affiliated with or endorsed by U.S. Customs and Border Protection (CBP) or any U.S. government agency. ISF filing requirements, deadlines, and penalties are governed by CBP regulations (19 CFR Part 149). Think Big charges a professional service fee for ISF preparation and submission. Importers remain legally responsible for the accuracy of all ISF data.
COMPLETE ISF COMPLIANCE,
END TO END
10+2 Data Elements
We collect and file all 10 importer-provided elements plus 2 carrier elements required by CBP for every ocean shipment.
Deadline Management
ISF must be filed 24 hours before vessel loading at the foreign port. We track your vessel schedule and file on time.
Document Collection
Upload your commercial invoice, packing list, and bill of lading. We extract the required data and prepare the filing.
CBP Electronic Submission
All filings are submitted electronically through the Automated Broker Interface (ABI) directly to CBP.
Real-Time Status Tracking
Monitor your filing status — from draft to accepted — through your secure ISF dashboard at any time.
Amendment & Correction
Need to update your ISF after submission? We handle amendments and corrections promptly to keep you compliant.
5 STEPS TO A FILED ISF
Submit Shipment Details
Provide your booking number, vessel name, port of loading, and estimated departure date through our secure online form.
Enter Importer & ISF Data
Complete the 10 required ISF data elements: seller, buyer, importer of record, consignee, manufacturer, ship-to party, country of origin, HTSUS, stuffing location, and consolidator.
Upload Documents
Attach your commercial invoice, packing list, and any available bill of lading. Our team reviews for completeness.
Review & Authorize
Review your complete ISF filing summary. Authorize submission and our team files electronically with CBP.
Filing Confirmation
Receive your CBP filing confirmation number. Track acceptance status in real time through your ISF dashboard.
TRANSPARENT, PER-FILING PRICING
No hidden fees. The U.S. government ISF filing fee is $0 — you pay only for Think Big's professional preparation and submission service.
Single ocean shipment ISF filing with standard 48-hour processing.
- 10+2 data element filing
- CBP electronic submission
- Filing confirmation document
- Status tracking dashboard
- Email notifications
- 1 free amendment
Expedited filing with 24-hour processing and dedicated review.
- Everything in Standard
- 24-hour processing
- Dedicated compliance review
- Priority CBP submission
- 2 free amendments
- Direct team messaging
For importers with 10+ shipments per month. Discounted per-filing rates.
- Everything in Priority
- Discounted per-filing rate
- Dedicated account manager
- Monthly compliance report
- Unlimited amendments
- API integration available
The U.S. government ISF filing fee is $0. Think Big's fee covers professional preparation, review, and electronic submission only.
ISF FILING — COMMON QUESTIONS
DON'T RISK A CBP PENALTY
File your ISF with Think Big — accurate, on time, and fully electronic. Start your filing in minutes.
Compliance Disclaimer: Important Disclaimer: Think Big is an independent logistics and customs compliance service provider and is not affiliated with or endorsed by U.S. Customs and Border Protection (CBP) or any U.S. government agency. ISF filing requirements, deadlines, and penalties are governed by CBP regulations (19 CFR Part 149). Think Big charges a professional service fee for ISF preparation and submission. Importers remain legally responsible for the accuracy of all ISF data.