Why Scope 3 Emissions Start With Better SME Data

Scope 3 is now the number that matters most – and the hardest to stand behind.
For large corporates, the pressure to report credibly on supply chain emissions has
moved from voluntary best practice to regulatory expectation. The EU’s Corporate
Sustainability Due Diligence Directive is raising the bar. Customers and investors are
asking harder questions. And sustainability teams are being held accountable for
numbers that, if they’re honest, are largely educated guesses.

Not because the intent isn’t there. Because the data isn’t.

The supply chain blind spot

Unlike large listed companies, most SME suppliers don’t produce structured
sustainability reports. They don’t publish emissions data in a coherent matter. They
may have strong practices in place – or they may not – but either way, corporates
have no reliable, scalable way of knowing. The traditional response has been surveys
and audits. But supplier questionnaires are slow, expensive, and suffer badly from
fatigue. Completion rates are poor. Data is inconsistent. And by the time it’s compiled,
it’s already out of date.

The result? Corporates are expected to quantify Scope 3 emissions and demonstrate
supply chain due diligence – under frameworks like the EU’s Corporate Sustainability
Due Diligence Directive – while working with data that simply cannot support those
obligations.

Public disclosure analysis changes the equation

The Disruption House takes a fundamentally different approach. Rather than relying on
suppliers to self-report, TDH’s methodology is built on scalable, automated analysis of
public disclosures – company websites, sustainability reports, financial documents,
policy documentation and certifications – assessed against M3, a 120-metric
framework aligned with international sustainability standards.

This means corporates can build a structured, comparable sustainability data profile
across their entire supplier base – with zero or minimal supplier engagement required.

No survey campaigns. No chasing. No waiting.

The data is delivered through custom dashboards aligned to a corporate’s own supplier
code of conduct or sustainability strategy, with company-level scores benchmarked
against sector, industry and revenue group averages. Where public data doesn’t exist,
TDH’s nearest-neighbour modelling fills the gap, clearly flagged for transparency.
For supply chain teams managing thousands of vendors, this isn’t a marginal efficiency
gain. It’s the difference between having a credible, real-time view of supply chain risk
and resilience – and having a spreadsheet that’s already wrong.

Scope 3 is a data problem first

Corporates that get ahead of this won’t just report better – they’ll make better
decisions. They’ll identify weak links before they become costly disruptions. They’ll
screen suppliers more efficiently and equitably. And they’ll meet regulatory
expectations without burying their teams in manual processes.

Scope 3 accuracy starts with knowing what’s actually happening across your supply
chain. TDH M3 makes that possible – at scale, without the survey tax.

Want to see how TDH’s public disclosure analysis could work across your supplier
base? Get in touch.

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