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Why ASC?

We set the standard for seafood. If you see the ASC label on pack, you can be sure that your seafood was farmed with care.

Our impact

By choosing ASC labelled seafood, you are making a proven, positive impact on people and the planet.

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Join the most recognised certification programme as proof of your responsible farming practices to a global audience.

Our impact

ASC creates measurable positive change in global seafood farming.

Find out more

The ASC programme is successful because of all producers and partners involved. Read our reports and stories.


Join the most recognised certification programme and benefit from trading ASC certified seafood.

Our impact

ASC creates measurable, positive change in global seafood farming.

After certification

In addition to accessing our global network of secure and flexible supply, ASC partners benefit from marketing their ASC certified seafood.

ASC CoC Module

ASC is expanding its Chain of Custody requirements to strengthen its assurances to buyers and consumers and better address the unique nature of farmed seafood.

How can we be sure that ASC labelled seafood really is from ASC certified farms? Certification doesn’t end at the farm – Chain of Custody (CoC) certification continues along the entire supply chain, and ensures that the ASC label only appears on seafood from certified responsible farms. This is essential because it gives consumers confidence that they can reward good farming practices by choosing the ASC label. ASC has expanded CoC requirements to address emergent issues and better suit the specific nature of farmed seafood.

The new requirements, called the ASC CoC Module, and supporting materials can be found on the ASC Traceability page. 

Introduction to ASC CoC Module:

Full overview of ASC CoC Module:

Review: ASC CoC Module

Since early 2012, ASC has used Marine Stewardship Council (MSC) CoC certification to cover ASC certified product supply chains. This robust system is the leading international standard for seafood segregation and traceability and it covers the entire supply chain, from farm to final sale. ASC and MSC work closely together and have closely related aims, and this will continue.

As the programme continues to grow, ASC is developing a new suite of assurance activities and tools to address emergent issues such as seafood fraud, food safety and use of substances such as antibiotics. This includes additional requirements which are also needed partly due to inherent differences in producing farmed versus wild seafood, such as controlled environments and human-managed inputs. The new requirements aim to reflect global best practice and start to incorporate innovation through use of technology such as digital traceability and product authentication techniques. The efforts are an example of ASC’s commitment to continual improvement, and responding to stakeholder demand.

The additional requirements apply only to ASC Chain of Custody certificate holders, and are in addition to the existing MSC Chain of Custody requirements. The new module has implications for stakeholders, particularly Chain of Custody certificate holders and Certification Assessment Bodies (CABs). However, ASC is working to ensure that impacts are minimised.  These improvements help make the programme more effective and adaptive to new challenges, which will provide increased value and assurance to stakeholders.

As with all changes to the ASC programme, these proposals were subject to public consultation, in line with ASC’s commitment to collaboration and transparency. The public consultation was held  from 8 March to 7 May 2021. The requirements were revised and improved based on the feedback collected from all relevant stakeholders including CABs and certificate holders. A summary report of the consultation feedback and revisions is available here, including an annex of responses here.

Contact personWendy Banta, Head of Supply Chain Assurance

More information

Public Consultation

Consultation period: 8 March to 7 May 2021

Status: Closed


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