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Head-to-head · Disclosure Management Software

CoreFiling Seahorse vs Tangelo

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score CoreFiling Seahorse #5 in Disclosure Management Software 7.6/10 Pricing on request ✓ 1 of 6 features Visit CoreFiling
Tangelo #7 in Disclosure Management Software 7.4/10 Pricing on request ✓ 5 of 6 features Visit Tangelo

CoreFiling Seahorse leads on 0 checks, Tangelo on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCoreFiling Seahorse · 7.6/10
  • Most featuresTangelo · 5 of 6

CoreFiling Seahorse scores higher on our rubric for disclosure management software: 7.6 against 7.4 out of 10; our editors rank them #5 and #7.

CoreFiling Seahorse is the better fit for teams producing ESEF and UKSEF reports. Tangelo is the better fit for teams combining iXBRL reports with ESG workflows.

  • CoreFiling Seahorse fits best

    Teams producing ESEF and UKSEF reports

  • Tangelo fits best

    Teams combining iXBRL reports with ESG workflows

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Side by side

Feature CoreFiling Seahorse 7.6/10 Visit ↗ Tangelo 7.4/10 Visit ↗
At a glance
Editor score 7.6 7.4
Ranking #5 in Disclosure Management Software #7 in Disclosure Management Software
Best for Teams producing ESEF and UKSEF reports Teams combining iXBRL reports with ESG workflows
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email, Phone, Tickets, Docs Email, Phone, Docs
Compliance ISO 27001 SOC 2
Built for Mid-market, Enterprise Mid-market, Enterprise
Features CoreFiling Seahorse 1/6 · Tangelo 5/6
XBRL/iXBRL tagging Not checked yet ✓ (best)
SEC filing support Not checked yet Not checked yet
Review workflows Not checked yet ✓ (best)
Audit trail ✓ ✓
Spreadsheet linking Not checked yet ✓ (best)
Multi-jurisdiction support Not checked yet ✓ (best)
Our review
Pros
  • Converts Word, Excel, PDF and InDesign files into iXBRL and XHTML
  • Validates reports against taxonomies, technical standards and filing rules
  • Supports collaborative review with comments and an audit trail
  • Creates PDFs and interactive microsites from one content source
  • Synchronizes report tables with uploaded Excel data
  • Combines iXBRL validation and export with ESG collection workflows
Cons
  • Does not submit filing packages to regulatory portals
  • Pricing requires contacting CoreFiling or requesting a demo
  • Requires familiarity with regulatory reporting and tagging workflows
  • Pricing requires a tailored discussion or proposal
  • Its verified filing scope is less specific than leading options
  • Presence is unproven
Our verdict

CoreFiling Seahorse is cloud software for companies, accounting firms and other filers preparing regulatory, tax and statutory reports. Its strongest fit is teams producing ESEF and UKSEF reports: it supports tagging and report creation…

Read the review →

Tangelo brings corporate report production and ESG data collection into a cloud platform for organizations preparing annual, sustainability and regulatory reports. Its stated audience includes listed companies, reporting teams and…

Read the review →
  1. CoreFiling SeahorseDisclosure Management Software 7.6Pricing on request
  2. TangeloDisclosure Management Software 7.4Pricing on request

Strengths and trade-offs

  • CoreFiling Seahorse — where it wins

    • Converts Word, Excel, PDF and InDesign files into iXBRL and XHTML
    • Validates reports against taxonomies, technical standards and filing rules
    • Supports collaborative review with comments and an audit trail

    Where it doesn't

    • Does not submit filing packages to regulatory portals
    • Pricing requires contacting CoreFiling or requesting a demo
    • Requires familiarity with regulatory reporting and tagging workflows

  • Tangelo — where it wins

    • Creates PDFs and interactive microsites from one content source
    • Synchronizes report tables with uploaded Excel data
    • Combines iXBRL validation and export with ESG collection workflows

    Where it doesn't

    • Pricing requires a tailored discussion or proposal
    • Its verified filing scope is less specific than leading options
    • Presence is unproven

More comparisons

All disclosure management software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update