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

Assent Sustainability Platform vs Plan A

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side

Assent Sustainability Platform leads on 0 checks, Plan A 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
  • Most featuresAssent Sustainability Platform · 5 of 5

Assent Sustainability Platform scores higher on our rubric for environmental, social and governance reporting software: 8.8 against 8.6 out of 10; our editors rank them #5 and #7.

Assent Sustainability Platform is the better fit for mid-market and enterprise supplier ESG programs. Plan A is the better fit for multi-facility emissions management and decarbonization.

  • Assent Sustainability Platform fits best

    Mid-market and enterprise supplier ESG programs

  • Plan A fits best

    Multi-facility emissions management and decarbonization

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 ↗ Plan A 8.6/10 Visit ↗
At a glance
Editor score 8.8 8.6
Ranking #5 in Environmental, Social and Governance Reporting Software #7 in Environmental, Social and Governance Reporting Software
Best for Mid-market and enterprise supplier ESG programs Multi-facility emissions management and decarbonization
Pricing model Paid Paid
Starting price Pricing on request —
Free plan — Not checked yet
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email, Live chat, Phone Tickets, Docs
Compliance SOC 2, ISO 27001, GDPR SOC 2, GDPR
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Assent Sustainability Platform 5/5 · Plan A 0/5
GHG accounting ✓ (best) Not checked yet
Scope 3 tracking ✓ (best) Not checked yet
Materiality assessment ✓ (best) Not checked yet
Supplier data portal ✓ (best) Not checked yet
Assurance workflows ✓ (best) Not checked yet
Specs
Framework coverage Multiple Not checked yet
Reporting exports Not checked yet Not checked yet
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.
  • Collects and calculates Scope 1, 2 and 3 emissions data
  • Organises emissions data across facilities and custom groupings
  • Combines supplier engagement, reporting and decarbonisation planning
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.
  • Pricing is set in client agreements rather than published publicly
  • Advanced carbon reporting and API access are Pro plan features
  • Deep personalised support and 500 included suppliers are Enterprise features
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 →

Plan A is cloud software for businesses measuring, reporting and reducing greenhouse-gas emissions across Scopes 1, 2 and 3. Its multi-facility management, data tagging by departments or projects, and supplier data collection make it a fit…

Read the review →
  1. Assent Sustainability PlatformEnvironmental, Social and Governance Reporting Software 8.8Pricing on request
  2. Plan AEnvironmental, Social and Governance Reporting Software 8.6Pricing on request

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.
  • Plan A — where it wins

    • Collects and calculates Scope 1, 2 and 3 emissions data
    • Organises emissions data across facilities and custom groupings
    • Combines supplier engagement, reporting and decarbonisation planning

    Where it doesn't

    • Pricing is set in client agreements rather than published publicly
    • Advanced carbon reporting and API access are Pro plan features
    • Deep personalised support and 500 included suppliers are Enterprise features
  • Assent Sustainability Platform8.8/10 · Pricing on request

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

    Visit AssentFull verdict →
  • Plan A8.6/10 · Pricing on request

    Plan A combines Scope 1–3 emissions management with reporting and decarbonisation planning.

    Visit Plan AFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update