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Head-to-head · Environmental, Social and Governance Reporting Software

Assent Sustainability Platform vs ESG:ONE

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Assent Sustainability Platform #5 in Environmental, Social and Governance Reporting Software 8.8/10 Pricing on request ✓ 5 of 5 features Visit Assent
ESG:ONE #11 in Environmental, Social and Governance Reporting Software 7.9/10 Paid ✓ 5 of 5 features Visit ESG:ONE

Assent Sustainability Platform leads on 0 checks, ESG:ONE 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 scoreAssent Sustainability Platform · 8.8/10

Assent Sustainability Platform scores higher on our rubric for environmental, social and governance reporting software: 8.8 against 7.9 out of 10; our editors rank them #5 and #11.

Assent Sustainability Platform is the better fit for mid-market and enterprise supplier ESG programs. ESG:ONE is the better fit for organizations managing full-scope ESG reporting.

  • Assent Sustainability Platform fits best

    Mid-market and enterprise supplier ESG programs

  • ESG:ONE fits best

    Organizations managing full-scope ESG reporting

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 Assent Sustainability Platform 8.8/10 Visit ↗ ESG:ONE 7.9/10 Visit ↗
At a glance
Editor score 8.8 7.9
Ranking #5 in Environmental, Social and Governance Reporting Software #11 in Environmental, Social and Governance Reporting Software
Best for Mid-market and enterprise supplier ESG programs Organizations managing full-scope ESG reporting
Pricing model Paid Paid
Starting price Pricing on request —
Free plan — —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email, Live chat, Phone Email, Phone
Compliance SOC 2, ISO 27001, GDPR GDPR
Integrations 200+ integrations 9 integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Assent Sustainability Platform 5/5 · ESG:ONE 5/5
GHG accounting ✓ ✓
Scope 3 tracking ✓ ✓
Materiality assessment ✓ ✓
Supplier data portal ✓ ✓
Assurance workflows ✓ ✓
Specs
Framework coverage Multiple Multiple
Reporting exports Not checked yet Pdf-and-xbrl
Our review
Pros
  • Collects supplier ESG data through surveys and data exchange.
  • Tracks supplier risk and corrective-action progress in dashboards.
  • Supports GRI, TCFD, SASB and CSRD value-chain reporting.
  • Tracks Scope 3 emissions across all 15 GHG Protocol categories
  • Combines supplier portals, materiality assessments and reporting workflows
  • Provides audit trails and PDF/XBRL assurance-ready exports
Cons
  • Platform pricing is provided by demo and quote, not published plan tiers.
  • Its focus on complex manufacturers may exceed simpler ESG needs.
  • Web and cloud deployment may not suit teams seeking other deployment options.
  • No free plan; the listed starting price is £3,000 per year
  • Enterprise pricing is by quote
  • 24/7 support is not offered
Our verdict

Assent Sustainability Platform helps manufacturers collect, manage and analyze sustainability and compliance information across their supply chains. Supplier surveys and data collection sit alongside risk dashboards, supplier screening,…

Read the review →

ESG:ONE brings sustainability data, emissions accounting, supplier management and framework reporting into a cloud platform for small, mid-market and enterprise organizations. It covers Scope 1, 2 and 3 emissions, supplier questionnaires…

Read the review →
  1. Assent Sustainability PlatformEnvironmental, Social and Governance Reporting Software 8.8Pricing on request
  2. ESG:ONEEnvironmental, Social and Governance Reporting Software 7.9Paid

Strengths and trade-offs

  • Assent Sustainability Platform — where it wins

    • Collects supplier ESG data through surveys and data exchange.
    • Tracks supplier risk and corrective-action progress in dashboards.
    • Supports GRI, TCFD, SASB and CSRD value-chain reporting.

    Where it doesn't

    • Platform pricing is provided by demo and quote, not published plan tiers.
    • Its focus on complex manufacturers may exceed simpler ESG needs.
    • Web and cloud deployment may not suit teams seeking other deployment options.

  • ESG:ONE — where it wins

    • Tracks Scope 3 emissions across all 15 GHG Protocol categories
    • Combines supplier portals, materiality assessments and reporting workflows
    • Provides audit trails and PDF/XBRL assurance-ready exports

    Where it doesn't

    • No free plan; the listed starting price is £3,000 per year
    • Enterprise pricing is by quote
    • 24/7 support is not offered
  • Assent Sustainability Platform8.8/10 · Pricing on request

    Supplier ESG collection, risk monitoring and reporting for complex manufacturers.

    Visit AssentFull verdict →
  • ESG:ONE7.9/10 · Paid

    A full-scope ESG reporting platform with supplier workflows and assurance-ready exports.

    Visit ESG:ONEFull verdict →

More comparisons

All environmental, social and governance reporting software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update