
Across the European Union, audit firms — large and small — have spent the last two years preparing for the arrival of mandatory ESG assurance under the Corporate Sustainability Reporting Directive (CSRD). The message from Brussels was unambiguous: “This is coming. Prepare yourselves.”
And the profession did exactly that.
Firms invested heavily in training, methodology, tooling, and staff development. Thousands of auditors sat through long courses, passed exams, and restructured internal processes to meet the new assurance requirements. Professional bodies across Europe built entire training ecosystems to ensure readiness.
Now, with the EU’s simplification package and the subsequent national transpositions — including Poland’s recent amendment — a large portion of the market has simply vanished for the next two years.
The result is a quiet but very real economic loss borne by the audit profession.
The EU Changed the Rules After the Profession Had Already Invested
The EU’s “Omnibus” simplification package raised the thresholds dramatically:
- Only companies with more than 1,000 employees and
- More than €450 million in turnover
will remain in the early waves of mandatory ESG reporting.
Member States were also given the option to postpone ESG reporting for companies that fall below these new thresholds — and several, including Poland, are now exercising that option.
This is not a national deviation. It is an EU‑permitted deferral.
But the effect is the same: the market that auditors trained for has been pushed back by at least two years.
The Cost to the Audit Profession: A Conservative EU‑Wide Estimate
Let us be modest — very modest — in estimating the cost borne by the profession.
Across the EU:
- Tens of thousands of auditors undertook ESG assurance training.
- Professional bodies developed new curricula.
- Firms purchased software, tools, and methodology updates.
- Staff hours were diverted from billable work to mandatory training.
A conservative estimate:
- €1,000–€2,000 per auditor in direct training costs
- €3,000–€5,000 per auditor in lost time, internal methodology work, and tooling
- Tens of thousands of auditors trained
Even at the lowest end of the range, the EU‑wide cost easily exceeds:
€200–300 million
And that is a conservative figure.
The ROI Has Been Deferred — and in Many Cases, Destroyed
Training is perishable. Skills fade when not used. Standards evolve. Methodologies change.
If auditors cannot apply their ESG assurance training for two years, then:
- much of the knowledge will need to be refreshed,
- new standards will need to be learned,
- and the original investment will have to be repeated.
This is not a theoretical risk. It is a certainty.
The EU asked the profession to prepare. The profession prepared. And now the promised market has been postponed.
Where Is the Compensation for This Lost Investment?
If a government requires an industry to invest in readiness — and then delays the implementation — the fair question is:
Who compensates the industry for the cost of compliance preparation?
At minimum, the EU should:
- refund at least 50% of the training costs to national professional bodies,
- earmark these funds for future refresher training,
- and ensure that auditors who paid for early training are not forced to pay again when the rules finally take effect.
This is not a radical demand. It is a matter of fairness.
The audit profession did exactly what the EU asked it to do. The return on that investment has now been deferred — in some cases, nullified.
If the EU wants a well‑prepared assurance market in 2027–2028, it must recognise the cost of the false start it created.





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