Description

A focused course, tailored for you

SOC 1 Walkthroughs for Index and ESG Data Operations

A walkthrough-to-management-response playbook for the internal audit assistant inside a listed index and ESG data firm whose service auditor wants every calculation, rating, and vendor-feed control evidenced on the first ask.

The service auditor's walkthrough comment on the index calculation engine never sits alone. It pulls the ESG rating change log and the vendor feed reconciliation queue with it, and three control owners now have to reconstruct a timeline that should have been kept in real time.

$199 one-time

Tailored to your situation. Access within 24 hours. 30-day money-back.

Includes a hand-built implementation playbook delivered alongside course access, generated for your specific situation.

Why this course

An internal audit assistant inside a listed index and ESG data operation lives at the join between three things the service auditor will not let go of. First, the methodology committee that approves an index rule change or an ESG rating model adjustment, with minutes that have to map cleanly to the production deployment ticket. Second, the vendor feed pipeline that ingests issuer data, corporate actions, ESG disclosures, and benchmark constituents, where every late or restated file needs a reconciliation note before it touches a calculation. Third, the calculation and rebalance engine itself, where the auditor wants reperformance evidence on a sampled day, the rebalance cutover documentation, and the override log for the ESG ratings team. The breakage point is rarely one control. It is the timeline that reconciles methodology approval to production deployment to first-calculation-using-the-change, and the user entity controls letter that ties all of it back to what asset manager clients are expected to do on their side. This course teaches an audit assistant to build that file as the cycle runs, not at year end.

What you walk away with

Run a methodology-change walkthrough that reconciles committee minutes, deployment ticket, and first-calculation-using-the-change in a single timeline the service auditor signs off on the first ask.
Document vendor data ingestion controls so issuer corporate actions, restated ESG disclosures, and late benchmark constituent files each have a reconciliation note before they touch a live calculation.
Build a reperformance file for a sampled rebalance day that ties the input feed snapshot to the calculation engine output and the published index level.
Draft the complementary user entity controls section of the SOC 1 report so asset manager clients see clearly what they are accountable for on their side of the control boundary.
Compile the schedule of management responses and remediation plans so the audit committee read-out lands without a late evening of email exchanges with the service auditor.

The 12 modules

Module 1. Scoping the SOC 1 to Index and ESG Data Operations

Translate the firm's service description into a SOC 1 scope that holds together for the service auditor. Walk through which product lines sit in scope, which control objectives apply to index calculation versus ESG rating production versus reference data distribution, and how the user entity controls boundary is drawn for asset manager and pension fund clients. Output is a scoping memo with the carve-out logic the partner can sign and the auditor can test against.

Module 2. Methodology Committee Walkthrough and Evidence Trail

Build the walkthrough that ties an index methodology change or an ESG rating model adjustment to its production deployment. Sit between the committee secretary and the change manager, map minutes to ticket to first calculation, and produce a one-page timeline reconciliation the service auditor can drop straight into the walkthrough section. Includes the sample memo template used to test a sampled rule change during interim fieldwork.

Module 3. Vendor Data Ingestion Controls and Reconciliation

Document the pipeline from third-party vendor feeds (issuer fundamentals, corporate actions, ESG disclosures, benchmark constituents) into the production calculation environment. Walk through completeness, accuracy, and timeliness controls, the reconciliation note that has to accompany every late or restated file, and the exception queue the operations team works in real time. Output is a controls matrix the service auditor tests sample-by-sample.

Module 4. Rebalance Day Reperformance and Reconciliation

Build the reperformance file for a sampled rebalance day. Snapshot the input feeds at cutover, run the calculation against a known-good reference output, reconcile to the published index level, and document the variance investigation log. Walk through what the service auditor expects to see when a rebalance day falls on a market holiday or a corporate action conflict, and how the reperformance memo handles either case.

Module 5. ESG Rating Override Review and Documentation

Test the override control for the ESG ratings team. Document the analyst override request, the supervisor approval, the rationale memo, and the timing of the override against the rating publication. Walk through how the service auditor samples overrides during interim and at year-end, and how to evidence that overrides are reviewed within the methodology framework rather than circumventing it. Output is the override review log template plus a sampled-override testing memo.

Module 6. Calculation Engine Change Management

Document the change-management control for the production calculation engine itself, separate from methodology changes. Walk through code change tickets, peer review, regression test evidence, deployment approvals, and post-deployment validation. Map each control to the SOC 1 control objective it supports, and produce the change-management walkthrough memo the service auditor reads alongside the methodology walkthrough.

Module 7. Logical Access and Segregation Across Production Data

Walk through access controls for the production index and ESG data environment. Document privileged access to the calculation engine, the rating production database, and the vendor feed staging area. Build the segregation-of-duties matrix for the operations team, the methodology team, and the engineering team. Output is the user access review evidence package for interim and year-end fieldwork.

Module 8. Service Auditor Sampling, PBC Lists, and Evidence Hand-off

Manage the service auditor's prepared-by-client list as a controlled artefact rather than a chase. Walk through how to negotiate the sample size on calculation reperformance, the population definition for methodology changes in the period, and the cutoff dates that anchor interim versus year-end testing. Output is the PBC tracker template plus the evidence hand-off protocol that keeps the audit file complete as the cycle runs.

Module 9. Complementary User Entity Controls for Asset Manager Clients

Draft the complementary user entity controls section of the SOC 1 report. Write the language that tells an asset manager client what they need to do on their side of the boundary when they consume an index level, an ESG rating, or a reference data file. Walk through what passes service auditor review and what gets challenged for being too vague. Output is the user entity controls section ready for partner review.

Module 10. Incident, Restatement, and Republished Data Handling

Document the control around restated index levels, republished ESG ratings, and corrected vendor data ingested after the fact. Walk through the incident memo, the client notification, the operations rerun, and the audit file entry. Service auditors test restatements as a high-risk path; the module produces the restatement playbook template that turns each incident into a clean audit artefact rather than an email thread.

Module 11. Schedule of Management Responses and Remediation Plans

Compile the schedule of management responses for any control deviation the service auditor reports. Walk through how to draft a response that names the remediation owner, the target date, and the interim mitigating control, and how to avoid the responses that get reopened in next year's audit. Output is the management response schedule template plus the remediation tracker that survives the audit committee read-out.

Module 12. Audit Committee Read-out and Year-End Closeout

Build the year-end SOC 1 closeout file and the audit committee read-out pack. Walk through the executive summary that names the control objectives, the testing results, the deviations and management responses, and the user entity controls section. Document how to defend the file in front of the audit committee, the head of internal audit, and the external financial statement auditor who reads the SOC 1 as part of their risk assessment. Output is the closeout pack template.

How this addresses your situation

Specific modules that map to what you said you are dealing with.

If the service auditor's walkthrough comment on the index calculation engine asked for the timeline reconciling methodology approval to first-calculation-using-the-change, work modules 2, 4, and 6 in order; the three together close that comment.

If the comment is about ESG rating overrides and whether they are reviewed inside or outside the methodology, work module 5 first, then module 9 to make sure the user entity controls section reflects the override control accurately.

If a restatement happened in the period (late issuer corporate action, restated ESG disclosure) and the service auditor wants the restatement playbook, work module 10 first, then module 8 to lock the PBC list around it.

If the audit committee read-out is the binding deadline and the schedule of management responses is still drafting, work modules 11 and 12 in order; the closeout pack lands without late-evening email exchanges.

What you get with this course

Twelve written modules covering the full SOC 1 Type II cycle for an index and ESG data operation, from scoping memo through audit committee read-out, each with a worked template ready to drop into the audit file.
Scoping memo template, methodology-change walkthrough timeline template, vendor data ingestion controls matrix, rebalance day reperformance memo, ESG rating override review log, calculation engine change-management walkthrough memo, access review evidence package, PBC tracker, complementary user entity controls section, restatement playbook, management response schedule, audit committee read-out pack.
The hand-built implementation playbook sized to the recipient's actual audit cycle, sample size, and service auditor relationship, provisioned alongside course access within a day.
Thirty-day refund window if the templates and the playbook do not save more time than the price.

What you will have in hand by Day 1, Week 1, Month 1

Within a day of purchase, course access in the Art of Service learning environment is provisioned and the hand-built implementation playbook is delivered alongside it.

Modules 1 through 4 cover scoping, methodology-change walkthrough, vendor data ingestion controls, and rebalance day reperformance. These are the controls the service auditor tests first in interim fieldwork.

Modules 5 through 8 cover ESG rating overrides, calculation engine change management, logical access, and PBC list discipline. These close the interim fieldwork file and set up year-end.

Modules 9 through 12 cover complementary user entity controls, restatement handling, the schedule of management responses, and the audit committee read-out pack. These land the file at year-end and survive next year's audit.

Before and after

Before

Walkthrough memos that come back with comments asking for the reconciled timeline, vendor feed reconciliation notes drafted late after the auditor asks, ESG rating override testing that lives in an email thread, and a schedule of management responses compiled in the final week before the audit committee read-out.

After

Walkthrough memos that land with the timeline already reconciled, vendor feed reconciliations attached to every restated file as the cycle runs, override testing documented in a log the service auditor reads on the first ask, and a schedule of management responses ready for the audit committee read-out at year-end with no late evening of email exchanges.

What happens if you do not address this

The service auditor finding that ends up in next year's report is almost always one timeline that nobody reconciled in real time. The override that was approved verbally and never logged. The methodology change whose production cutover memo cannot be tied to the committee minutes. The restated vendor feed that touched a calculation before the reconciliation note caught up. Any one of those becomes a control deviation in the SOC 1 report, an item on the schedule of management responses, an awkward exchange in the audit committee read-out, and a starting point for next year's audit. The cost of letting the file slide is paid the next cycle, with interest.

Who it is for

An internal audit assistant or audit senior associate inside a listed index, benchmark, or ESG data operation, owning SOC 1 Type II walkthroughs, control testing, vendor feed reconciliation review, and the schedule of management responses. Comfortable reading methodology committee minutes and production change tickets, less comfortable when the service auditor asks for the timeline that reconciles them. Working a calendar audit cycle with a hard service auditor interim and year-end fieldwork window.

Who this is NOT for. External service auditors signing the SOC 1 opinion. Methodology committee members who own the model change rather than the controls evidence around it. Sell-side equity research analysts who consume index data but do not control its production. Junior accounting staff with no exposure to a SOC 1 walkthrough or a service auditor query log.

How it arrives

Text-based course in the Art of Service learning environment, plus downloadable templates and worked examples for every module, plus the hand-built implementation playbook delivered alongside course access.

Time investment. Each module reads in roughly forty-five to sixty minutes. Applying a module to an actual audit cycle takes a working session of two to four hours. The course delivers usable artefacts module by module rather than asking the recipient to finish before producing anything.

Why $199 is the right number

Generic SOC 1 training treats the report as a deliverable, not a cycle. Big-firm methodology guides assume the reader is the service auditor, not the internal audit assistant on the client side. Vendor-led control management software solves storage but not the reconciliation memo the service auditor wants. This course is written for the audit assistant inside a listed index and ESG data operation, with templates that map to the artefacts a service auditor actually samples.

FAQ

Does this assume a specific service auditor methodology or attestation standard?

The templates align to AICPA SSAE 18 for SOC 1 Type II reporting, which is the standard most service auditors apply for index, benchmark, and ESG data operations. Where the local jurisdiction uses ISAE 3402, the templates carry across with minor wording changes that the course flags module by module.

Does it cover SOC 2 in addition to SOC 1?

The focus is SOC 1 for the controls that affect financial reporting at user entities, which is what an index and ESG data operation's asset manager clients consume. SOC 2 trust services controls are referenced where they overlap (logical access, change management) but the course does not duplicate a SOC 2 curriculum.

How recent are the methodology and vendor data examples?

Examples reference current index rule book practices, ESG rating methodology disclosures, and vendor feed conventions that are observable in public methodology documents and SOC 1 service description excerpts. The course is updated each audit cycle so the worked examples stay aligned with what service auditors are sampling.

What does the hand-built implementation playbook contain?

After purchase, the playbook is sized to where the recipient actually is in the cycle (interim, fieldwork, year-end), the sample size the service auditor is negotiating, and the specific control areas under the most pressure (methodology change, override review, restatement handling). It is not a generic appendix; it is a working document the recipient uses against this cycle's audit file.

30-day money-back guarantee. If after a week of working through the materials this is not what you needed, reply to the receipt email and a full refund is processed. No questions, no forms.

Within 24 hours your account in the learning environment is provisioned and the tailored implementation playbook is delivered alongside it.