CoreFiling Blog
A Guide for Accounting Firms: Becoming an XBRL Reporting Partner
Organisations around the world are increasingly required to submit financial and regulatory information in structured digital formats such as XBRL and iXBRL. Producing these filings requires reports to be tagged, checked against the relevant taxonomy and validated...
XBRL Audit and Assurance: What Auditors Need to Know About iXBRL and ESEF Reports
Every listed company in the EU now files its annual report with eXtensible Business Reporting Language (XBRL) tags embedded in the document. The European Single Electronic Format (ESEF) mandate put those tags there, and the audit report changed with them. Auditors...
How Regulators Can Implement Digital Reporting with XBRL
A reporting deadline approaches, and hundreds of spreadsheets start arriving from banks, insurers, or listed companies. Every institution has used the same template, yet no two submissions are quite alike. Rows have been inserted, formulas overwritten, units changed,...
How to Choose XBRL Reporting Software: A Buyer’s Guide
Your annual report went to the auditor on Friday and came back on Monday with forty issues requiring correction before it could be accepted. Some are invalid tagging decisions, some are extension concepts that were never anchored, and some are filing requirements that...
What is Digital Regulatory Reporting? A Plain Guide
Regulators and other government data collectors around the world need to collect data from companies for tax, company registration and for financial supervision. This data was, for a long time, exchanged in PDF documents or spreadsheets. However, these formats prove...
XBRL vs iXBRL: What’s the Difference and Which Format Do You Need?
XBRL and inline XBRL (iXBRL) are two widely adopted global standards for financial reporting of business data. Both turn financial data into a form computers can read, and both share the same technical base, but they do different jobs and answer to different...
IFRS 18: A new era for presentation and disclosure — what it means for reporters and ESEF Filers
Effective for reporting periods beginning on or after 1 January 2027 (with earlier adoption permitted), IFRS 18 Presentation and Disclosure in Financial Statements replaces IAS 1 Presentation of Financial Statements and fundamentally reshapes how entities present...
KvK iXBRL financial statements: Deadlines for large companies
Large companies in the Netherlands are, for the first time, required to submit their financial statements to the Chamber of Commerce (Kamer van Koophandel, KvK) as digital reports. This brings KvK reporting further in line with the Dutch Standard Business...
EU Public Country-by-Country Reporting (pCbCR)
The EU’s Directorate-General for Financial Stability, Financial Services and Capital Markets Union (DG FISMA) has today (22/12/2025) published their XBRL taxonomy for public Country by Country Reporting. Background Of course, Country-by Country Reporting (CbCR) is...