Tuna processors, marketers, and traders can become ISSF Data Check Companies to show their commitment to improve the long-term health of tuna fisheries.

Global Tuna-Vessel Lists

To promote transparency in the seafood industry and prevent illegal fishing, ISSF maintains four searchable, global tuna-vessel lists, including to track Fishery Improvement Project (FIP) participation and IMO or UVI numbers.

Related Resources

Terms and Conditions

Seafood companies that are considering becoming ISSF Data Check Companies should review the General Provisions as well as Terms and Conditions that apply to this designation.

Audit Policy

ISSF Data Check Companies are audited yearly by third-party auditor MRAG Americas on their compliance with five ISSF conservation measures based on this policy (PDF).

Application Form

Companies interesting in Data Check Company status must complete our PDF application form to be considered. Each Data Check Company must pay an annual fee to cover auditing and other administrative costs.

Audit Reports

We publish audit reports for each individual Data Check Company, assessing their conformance with the applicable conservation measures.

Our Impact

Explore “Staying the Course” — our 2020 Annual Report — to learn about ISSF’s recent accomplishments and contributions in sustainable fishing.

Compliance Report

The Update to the ISSF Annual Conservation Measures & Commitments Compliance Report (PDF) examines how all ISSF participating companies performed in 2020 against ISSF Conservation Measures and Commitments.

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