iXBRL Tagging. HMRC & Companies House Compliant. Fixed Pricing Per Entity.
Try Now

ESEF/UKSEF iXBRL for UK-Listed Companies

FCA-compliant Annual Financial Report tagging. Detailed block tagging of notes. NSM submission ready.

Quick Answer: UKSEF Compliance

FCA requires all UK-listed companies to file Annual Financial Reports in XHTML format with embedded iXBRL tags covering primary statements and detailed notes.

  • £2,499-£9,999 per AFR (complexity-based)
  • Block tagging of all notes to financial statements
  • NSM-ready delivery + FCA validation report

UKSEF Mandate for Listed Companies

Since January 1, 2021, UK-listed companies must prepare Annual Financial Reports (AFRs) in UK Single Electronic Format—an XHTML file with iXBRL tags applied to consolidated financial statements and notes.

Primary Statements Tagging

Balance sheet, income statement, cash flow, changes in equity—all line items tagged using UK IFRS taxonomy.

Block Tagging of Notes

Detailed tagging of accounting policies, segment reporting, EPS, related parties, share-based payments, leases, etc.

Our UKSEF Service Includes

1. XHTML Conversion + iXBRL Embedding

Convert your PDF/Word AFR to valid XHTML. Embed iXBRL tags while preserving formatting, tables, footnotes.

2. Detailed Note Tagging (Block Tags)

Apply block tags to 20-50 notes covering IFRS disclosures. Anchor custom extensions to base taxonomy concepts.

3. FCA Validation + NSM Submission

Pre-validate against FCA rules. Deliver NSM-ready file. Optional: We submit directly to National Storage Mechanism.

UKSEF Pricing

Small-Cap

£2,499

10-20 notes, simple structure

Mid-Cap

£5,999

20-40 notes, moderate complexity

FTSE 350

£9,999

40+ notes, extensive disclosures

Request UKSEF Quote

Upload your AFR draft for detailed scope assessment

Get UKSEF Quote

More Solutions