Category: SOC Reporting

SOC for Supply Chain

Also known as: SOC for Supply Chain report, SOC for Supply Chain reporting

Simply put

SOC for Supply Chain is a reporting framework that helps organizations that produce, manufacture, or distribute goods communicate information about the controls they use to manage supply chain risk. It gives customers and business partners assurance about how well those controls are designed and operating. Because it is an attestation report, it addresses the controls and matters covered but does not guarantee that no supply chain disruption or breach will occur.

Formal definition

SOC for Supply Chain is an attestation reporting framework developed to help organizations involved in producing, manufacturing, or distributing goods communicate information about their supply chain risk management efforts and enable users to assess the effectiveness of related system controls. The report is intended to meet the needs of commercial customers and business partners, and can address subject matter such as security, availability, and processing integrity. As an attestation report, its assurance is limited to the controls, subject matter, and scope covered; it is distinct from SOC 1, SOC 2, and SOC 3 reporting and does not constitute a certification. Specific criteria, scope, and covered categories vary depending on the engagement and scoping decisions.

Why it matters

Organizations that produce, manufacture, or distribute goods increasingly depend on complex networks of suppliers, contractors, and downstream partners, and disruptions or control failures anywhere in that chain can cascade to customers. SOC for Supply Chain matters because it gives these organizations a structured, independent way to communicate how they manage supply chain risk, rather than relying on informal assurances or one-off questionnaires. For commercial customers and business partners evaluating whether to rely on a producer or distributor, an attestation report offers a consistent basis for assessing the design and operating effectiveness of relevant system controls.

Because SOC for Supply Chain is an attestation report, its value lies in providing assurance about the specific controls and subject matter covered, which can include security, availability, and processing integrity, over the scope defined in the engagement. That same characteristic sets its limits: a report attests only to the controls and matters within its defined scope and does not guarantee that a supply chain disruption or breach will not occur. Readers should treat it as evidence about how risk is managed, not as a warranty of uninterrupted operations.

It is also important to keep SOC for Supply Chain distinct from other SOC offerings. It is not the same as SOC 1, SOC 2, or SOC 3, and it does not constitute a certification. The criteria, scope, and categories addressed vary from engagement to engagement based on scoping decisions, so users should confirm what a particular report actually covers before relying on it.

Who it's relevant to

Manufacturers, producers, and distributors

Organizations involved in producing, manufacturing, or distributing goods are the intended subjects of a SOC for Supply Chain report. It gives them a structured way to communicate how they manage supply chain risk and to demonstrate the effectiveness of the controls within their defined system to those who depend on them.

Commercial customers and business partners

The report is created to meet the needs of the commercial customers and business partners of producers and distributors. These users can rely on it to assess the design and operating effectiveness of relevant controls, while keeping in mind that assurance is limited to the subject matter and scope covered.

GRC and vendor risk professionals

Teams responsible for supplier and third-party risk management can use a SOC for Supply Chain report as evidence when evaluating goods providers, provided they confirm which subject matter categories, such as security, availability, or processing integrity, and which scope the particular engagement addressed.

Auditors and CPA practitioners

Practitioners performing attestation engagements apply the SOC for Supply Chain framework to examine and report on an organization's supply chain risk management controls. They tailor the criteria, scope, and covered categories to the engagement's scoping decisions, distinguishing this work from SOC 1, SOC 2, and SOC 3 examinations.

Inside SOC for Supply Chain

SOC for Supply Chain report

An attestation examination performed by a licensed CPA firm under the AICPA's SSAE 18 standard, resulting in a report on the controls within an entity's production, manufacturing, or distribution system relevant to the goods it produces or distributes. Like other SOC reports, it is an attestation and not a certification.

System description

Management's description of the entity's supply chain system, including the products or services involved, the boundaries of the system, and the principal service or supply commitments made to customers and business partners. This defines the scope of what the examination covers.

Trust Services Criteria applied

The examination is conducted against the Trust Services Criteria, where Security (the Common Criteria) is the only required category and Availability, Processing Integrity, Confidentiality, and Privacy are optional categories selected based on the scope and the commitments relevant to the supply chain system.

Type I and Type II options

As with other SOC 2 examinations, the report may assess the suitability of the design of controls at a point in time (Type I) or both the design and operating effectiveness of controls over a defined review period (Type II). The length of the review period varies and is set by scoping decisions rather than a fixed duration.

Management assertion and auditor's opinion

The report includes management's assertion about the system and its controls, together with the CPA firm's opinion on whether the description is presented in accordance with the applicable criteria and whether controls were suitably designed (and, for Type II, operating effectively over the period).

Common questions

Answers to the questions practitioners most commonly ask about SOC for Supply Chain.

Is a SOC for Supply Chain examination a certification?

No. Like other SOC engagements, SOC for Supply Chain is an attestation examination performed by a licensed CPA firm under the AICPA's attestation standards, and it results in a report rather than a certification. It should not be described as a certificate, and it differs in nature from an ISO certification issued by an accredited certification body.

Is SOC for Supply Chain just the same as a SOC 2 report?

No. Although both are SOC-branded attestation engagements performed by CPA firms, they address different subject matter. SOC for Supply Chain is designed to report on the controls within a system used to produce, manufacture, or distribute products, whereas SOC 2 reports on controls relevant to the applicable Trust Services Criteria for a service organization's system. Satisfying one does not automatically satisfy the other, and the scope, subject matter, and intended users differ.

How should we define the scope of a SOC for Supply Chain examination?

Scope is set through scoping decisions between the organization and its practitioner, and typically centers on the specific system used to produce, manufacture, or distribute the products in question. The report attests only to the controls and boundaries defined in that scope, so it is important to clearly delineate the products, processes, and system components covered before the engagement begins.

Who are the intended users of a SOC for Supply Chain report?

In most engagements, the report is intended for business customers, business partners, and others in the supply chain who need information about the controls within the reporting entity's production, manufacturing, or distribution system. As with other SOC reports, distribution and intended-user considerations depend on the report type and the scoping decisions made for the engagement.

What does a SOC for Supply Chain report not cover?

The report attests only to the controls and the period or point in time covered by the defined scope. It does not guarantee freedom from disruptions, defects, or security incidents, and it does not extend to system components, products, or processes outside the stated boundaries. It also does not substitute for a SOC 2 report or an ISO 27001 certificate, which address different subject matter.

How does a SOC for Supply Chain engagement relate to our other compliance efforts?

It can complement other engagements but does not replace them. Depending on scope, some underlying controls may overlap with those examined in a SOC 2 engagement or managed within an ISO 27001 ISMS, but any mapping is partial and must be evaluated engagement by engagement. Organizations typically coordinate these efforts to reduce duplicative testing, while recognizing that each report or certification stands on its own defined scope and criteria.

Common misconceptions

A SOC for Supply Chain report certifies that an organization's supply chain is secure or compliant.

It is an attestation report produced by a CPA firm, not a certification. It attests only to the controls and, for a Type II, the period covered, and does not guarantee freedom from breaches, disruptions, or supplier failures outside the described system and scope.

SOC for Supply Chain is interchangeable with SOC 2 or covers the same subject matter.

While it uses the same Trust Services Criteria and attestation framework under SSAE 18, its subject matter focuses on the production, manufacturing, or distribution system for goods, whereas SOC 2 typically addresses a service organization's system relevant to service commitments. The reports serve different reporting objectives even though they share underlying criteria.

Obtaining a SOC for Supply Chain report satisfies ISO 27001 or other supply chain standards.

The frameworks are distinct. ISO 27001 is a certification against an information security management system standard, and mapping between it and SOC-based attestations is at most partial. Satisfying a SOC for Supply Chain examination does not automatically satisfy ISO 27001 or any other standard.

Best practices

Define the boundaries of the supply chain system precisely in the system description, since the report attests only to the controls and scope described and depends on scoping decisions.

Select Trust Services Criteria categories deliberately: include Security (the Common Criteria) as required and add Availability, Processing Integrity, Confidentiality, or Privacy only where they align with the commitments relevant to your supply chain.

Choose between a Type I and Type II examination based on stakeholder needs, recognizing that a Type II demonstrates operating effectiveness over a defined review period whose length is set during scoping.

Engage a licensed CPA firm and confirm the engagement will be performed under the AICPA's SSAE 18 attestation standard, so the output is understood as a report rather than a certification.

Communicate clearly to customers and business partners what the report does and does not cover, noting that it does not guarantee freedom from breaches or disruptions beyond the described controls and period.

Where other frameworks such as ISO 27001 are also in scope, treat any mapping as partial and pursue each framework's requirements separately rather than assuming one satisfies the other.