Description

A focused course, tailored for you

CSRD Assurance Fieldwork for Trust and Transparency Practitioners

Build the evidence trail, sample methodology, and limited assurance conclusions that CSRD sign-off actually requires.

Your client's CSRD report is due. The double materiality assessment was prepared internally with limited assurance-ready documentation. The data lineage from raw ESG metric to disclosed figure has two unexplained hops. IAASA expects a conclusion. You have three days.

$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

The first wave of CSRD filings is exposing a consistent fieldwork gap: preparers know what to disclose, but assurance practitioners know what evidence to demand. The ESRS require specific quantitative and qualitative disclosures across climate, social, and governance topics, but the standard for what constitutes sufficient evidence for limited assurance is still being operationalised across Irish and EU firms. Trust and Transparency practitioners who built their fieldwork methodology on ISAE 3000 and GRI assurance are finding that CSRD's double materiality gate, the value chain boundary decisions, and the data lineage requirements for Scope 3 metrics require a more structured approach. Without a repeatable fieldwork template, each engagement is built from scratch, conclusions are harder to defend, and partner review cycles run long.

What you walk away with

Scope a CSRD limited assurance engagement with a documented double materiality assessment review protocol.
Design a sample methodology for material ESRS topics that holds up to regulatory scrutiny.
Walk the data lineage from raw metric to disclosed figure and document gaps in a form that supports your conclusion.
Write a limited assurance conclusion that accurately reflects what the evidence supports, including scoping qualifications.
Build a reusable fieldwork template that your team can apply across client engagements without rebuilding from scratch.
Identify the common evidence gaps that arise with first-wave CSRD preparers and document how to address them without expanding scope.

The 12 modules

Module 1. CSRD Assurance Scope and Engagement Setup

Establish the assurance engagement boundary before fieldwork starts. This module covers how to read the client's CSRD report structure to define what is in scope for limited assurance versus what is disclosed without assurance. It walks through how to document the engagement scope in terms of ESRS topics, time period, and entity boundary, and how to surface scope limitations early when the client's data infrastructure is immature.

Module 2. Double Materiality Assessment Review

The double materiality assessment is the gating document for CSRD disclosure. This module teaches how to review a client-prepared DMA: what the ESRS require the process to demonstrate, how to test that the impact and financial materiality judgements are supported by documented evidence, how to identify where the DMA process was thin or circular, and how to document your review conclusion in the assurance file.

Module 3. Evidence Standards for ESRS Disclosures

ISAE 3000 limited assurance requires sufficient appropriate evidence, but CSRD adds specific evidence demands per ESRS topic. This module maps the evidence types that support each major ESRS disclosure category: climate metrics require source data and calculation methodology; governance disclosures require meeting records and policy documentation; social disclosures require HR system outputs and boundary definitions. You will build an evidence-type matrix for your standard client engagement.

Module 4. Scope 3 Data Lineage Walk-Through

Scope 3 emissions disclosures are consistently the weakest link in first-wave CSRD filings. This module teaches a structured data lineage walk-through: mapping from the disclosed Scope 3 figure back to the primary activity data, documenting the estimation methodology and emission factors used, testing the value chain boundary assumptions, and identifying where the lineage breaks in a way that requires a qualification or limitation in the assurance conclusion.

Module 5. Sample Design for Material Topics

Limited assurance does not require audit-level sampling, but sample design still needs to be documented and defensible. This module covers how to set sample size for qualitative disclosures (governance, policy, social), how to select and document the population and sample for quantitative metrics, and how to record the sampling rationale in the assurance file so that the partner review does not have to rebuild the logic. Worked examples use Irish mid-cap and large-cap client filing structures.

Module 6. Fieldwork for ESRS S1 and S2 Social Disclosures

Social disclosures under ESRS S1 (own workforce) and S2 (workers in the value chain) require specific fieldwork adaptations. This module covers how to test headcount and remuneration disclosures against HR system outputs, how to scope the value chain boundary for S2 when the client has limited tier-1 supplier data, and how to document that the social metric definitions align with the ESRS requirements. It includes a fieldwork checklist for S1 and S2 that can be adapted per engagement.

Module 7. Controls Assessment and Data Infrastructure Review

First-wave CSRD preparers often lack mature internal controls over sustainability data. This module teaches how to assess the controls environment without extending scope to a controls assurance engagement: how to document the data collection process, identify manual aggregation points that increase error risk, and articulate in the fieldwork file how the controls environment informed your sample design and your conclusion wording. It covers how to communicate controls gaps to the client without expanding the assurance scope.

Module 8. IAASA and FRC Regulatory Expectations

IAASA has published expectations for CSRD assurance practitioners in Ireland, and the FRC guidance applies to firms with UK-listed entities. This module maps the specific expectations both regulators have communicated for limited assurance engagements, how those expectations translate to documentation requirements in your assurance file, and where IAASA's reading of the ESRS differs from the EFRAG technical guidance in ways that affect fieldwork approach.

Module 9. Drafting the Limited Assurance Conclusion

The assurance conclusion is the deliverable the client signs off on and the regulator reads. This module covers how to draft a CSRD limited assurance conclusion that accurately reflects what your fieldwork supports, how to write scope qualifications when the data lineage had documented gaps, how to calibrate conclusion language to the evidence strength, and how to avoid over-stating the conclusion. Worked examples show two conclusion variations: one with full scope, one with a qualified Scope 3 paragraph.

Module 10. Partner Review and Quality Management

ISQM 1 and engagement quality control requirements apply to CSRD assurance. This module covers what the partner review file needs to contain for CSRD engagements, how to structure the engagement quality control review for a first-time filing, what documentation gaps typically surface at the review stage and how to anticipate them during fieldwork, and how to manage engagement timelines when the client's data arrives late in the reporting cycle.

Module 11. Client Debrief and Findings Communication

The fieldwork findings conversation with the client is different for CSRD than for financial statement assurance. This module covers how to communicate material weaknesses in the sustainability data infrastructure to the board or audit committee, how to frame evidence gaps as preparer-side issues rather than assurance failures, how to recommend remediation steps for next-cycle filings, and how to document the management response in the assurance file.

Module 12. Building a Repeatable Fieldwork Template

The final module assembles everything into a reusable engagement template: the scope document, the DMA review protocol, the evidence matrix, the sample design rationale, the conclusion drafting guide, and the quality control checklist. The template is built to be adapted per engagement rather than applied verbatim, with the variable fields clearly marked so that the practitioner customises for the client's industry, entity boundary, and ESRS topic set without rebuilding the structure each time.

How this addresses your situation

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

You receive the client's CSRD data pack three days before the conclusion is due and the Scope 3 lineage is undocumented. Modules 4, 5, and 9 address this directly.

Your partner review keeps finding that the fieldwork file does not adequately document why the sample was sized the way it was. Module 5 and 10 address this.

The client's double materiality assessment looks thin and you need to document your review in a way that supports the assurance conclusion. Module 2 and 3 address this.

You want to build a standard engagement template your team can use across clients without rebuilding from scratch. Modules 7, 11, and 12 address this.

What you get with this course

12 written modules covering CSRD limited assurance fieldwork from scope through conclusion
Downloadable evidence matrix template mapping ESRS topics to evidence types
Sample design rationale template for qualitative and quantitative disclosures
Scope 3 data lineage walk-through protocol
Limited assurance conclusion drafting guide with two worked examples
Reusable engagement fieldwork template for own-workforce and value-chain social disclosures
Hand-built implementation playbook tailored to the Trust and Transparency practitioner context, delivered alongside course access

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

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

Before and after

Before

Each CSRD assurance engagement is rebuilt from scratch. Sample sizes are judgement calls that are hard to document. The data lineage walk-through is ad hoc. Partner review runs long because the file does not tell the story. The conclusion wording is conservative because the evidence basis is not well documented.

After

You have a repeatable fieldwork methodology with documented protocols for DMA review, sample design, data lineage, and conclusion drafting. Partner review is faster because the file structure is consistent. Conclusion wording accurately reflects evidence strength. The client debrief is structured and the findings are documented in a form that supports next-cycle improvement.

What happens if you do not address this

First-wave CSRD assurance conclusions are being written under regulatory scrutiny. Firms that develop a repeatable methodology this cycle build a defensible practice. Firms that are still building the methodology per engagement in the second cycle will have slower delivery, higher partner review burden, and greater exposure if conclusions are challenged.

Who it is for

This course is for assurance practitioners in trust, sustainability, or ESG advisory roles at professional services firms who are executing or reviewing CSRD limited assurance engagements. You understand financial statement assurance and ISAE 3000 but are working through the specific fieldwork adaptations CSRD demands. You have client engagements in flight and need a structured methodology, not a regulatory summary.

Who this is NOT for. This is not for sustainability report preparers on the client side, for ESG consultants who do not hold assurance roles, or for practitioners whose firms have already built and internally tested a repeatable CSRD fieldwork methodology.

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. Approximately 8-10 hours across 12 modules. Can be taken sequentially or by module as specific fieldwork situations arise.

Why $199 is the right number

EFRAG's published CSRD assurance guidance covers standards and requirements but does not provide a practitioner-level fieldwork methodology. IAASA's expectations documents set the regulatory bar but do not include templates or worked examples. Big4 internal training programs exist but are not available externally. This course provides the methodology, templates, and conclusion-drafting worked examples that practitioners need to execute, not just understand the requirements.

FAQ

Does this cover ISAE 3000 limited assurance specifically or also reasonable assurance?

The course is structured around limited assurance, which is the required standard for the first wave of CSRD filings under the phased EU requirements. Module 9 notes where the conclusion wording and evidence thresholds differ for reasonable assurance, but the primary methodology is limited assurance.

Is this applicable to the Irish regulatory context specifically?

Module 8 covers IAASA's published expectations in detail alongside the FRC guidance. The evidence standards and fieldwork protocols in the other modules are built on ESRS requirements and apply across EU jurisdictions, with the Irish regulatory layer added in module 8.

Does this require prior CSRD knowledge?

The course assumes familiarity with ISAE 3000 and sustainability assurance concepts but does not require prior CSRD assurance experience. Module 1 covers the CSRD-specific scope and disclosure structure before moving into fieldwork methodology.

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.