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Head-to-head · Disclosure Management Software

IRIS CARBON vs CoreFiling Seahorse

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score IRIS CARBON #4 in Disclosure Management Software 7.7/10 Pricing on request ✓ 6 of 6 features Visit IRIS CARBON
CoreFiling Seahorse #5 in Disclosure Management Software 7.6/10 Pricing on request ✓ 1 of 6 features Visit CoreFiling

IRIS CARBON leads on 0 checks, CoreFiling Seahorse on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreIRIS CARBON · 7.7/10
  • Most featuresIRIS CARBON · 6 of 6

IRIS CARBON scores higher on our rubric for disclosure management software: 7.7 against 7.6 out of 10; our editors rank them #4 and #5.

IRIS CARBON is the better fit for teams wanting disclosure authoring and controls. CoreFiling Seahorse is the better fit for teams producing ESEF and UKSEF reports.

  • IRIS CARBON fits best

    Teams wanting disclosure authoring and controls

  • CoreFiling Seahorse fits best

    Teams producing ESEF and UKSEF reports

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature IRIS CARBON 7.7/10 Visit ↗ CoreFiling Seahorse 7.6/10 Visit ↗
At a glance
Editor score 7.7 7.6
Ranking #4 in Disclosure Management Software #5 in Disclosure Management Software
Best for Teams wanting disclosure authoring and controls Teams producing ESEF and UKSEF reports
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
Built for Mid-market, Enterprise Mid-market, Enterprise
Features IRIS CARBON 6/6 · CoreFiling Seahorse 1/6
XBRL/iXBRL tagging ✓ (best) Not checked yet
SEC filing support ✓ (best) Not checked yet
Review workflows ✓ (best) Not checked yet
Audit trail ✓ ✓
Spreadsheet linking ✓ (best) Not checked yet
Multi-jurisdiction support ✓ (best) Not checked yet
Our review
Pros
  • Supports XBRL and iXBRL tagging alongside SEC filing workflows
  • Connects spreadsheet data to disclosures and tracks changes with an audit trail
  • Provides review approvals and multi-jurisdiction reporting support
  • 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
Cons
  • Pricing requires contacting sales
  • Focuses on disclosure production rather than broader reporting needs
  • Cloud deployment may not suit teams requiring another deployment model
  • Does not submit filing packages to regulatory portals
  • Pricing requires contacting CoreFiling or requesting a demo
  • Requires familiarity with regulatory reporting and tagging workflows
Our verdict

IRIS CARBON is a cloud disclosure-management platform for mid-market and enterprise reporting teams preparing financial, regulatory and sustainability disclosures. It brings authoring and document management together with structured-data…

Read the review →

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 →
  1. IRIS CARBONDisclosure Management Software 7.7Pricing on request
  2. CoreFiling SeahorseDisclosure Management Software 7.6Pricing on request

Strengths and trade-offs

  • IRIS CARBON — where it wins

    • Supports XBRL and iXBRL tagging alongside SEC filing workflows
    • Connects spreadsheet data to disclosures and tracks changes with an audit trail
    • Provides review approvals and multi-jurisdiction reporting support

    Where it doesn't

    • Pricing requires contacting sales
    • Focuses on disclosure production rather than broader reporting needs
    • Cloud deployment may not suit teams requiring another deployment model
  • 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

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update