The Hidden Operational Cost of Manual Verification in Banking

There’s a quiet crisis playing out in the sustainability teams of banks across the UK and
Europe. It doesn’t make headlines, but it costs millions in wasted hours, undermines
regulatory credibility, and is quietly strangling the deployment of transition finance at
scale.

The problem? Manual verification of SME sustainability data.

Banks are under mounting pressure — from the PRA, the ECB, and their own risk
committees — to demonstrate they understand the climate and sustainability risk
embedded in their lending portfolios. But here’s the uncomfortable reality: the vast
majority of that risk sits with SMEs, and SMEs simply don’t produce the structured
emissions and ESG data that banks need. Unlike large listed companies, a bakery in
Bristol or a logistics firm in Leeds isn’t publishing a TCFD-aligned annual report.

So what do banks do? They send surveys. They chase relationship managers. They build
spreadsheets. They hire analysts to manually cross-reference inconsistent,
incomplete, and quickly outdated information. And then, after all of that effort, they end
up with datasets that compliance teams still can’t confidently put in front of a regulator.
This is precisely the problem that the Climate Action Platform, developed and deployed
by NatWest and National Australia Bank, was built to solve. Rather than relying on
banks to chase data from their SME customers, the platform creates a structured,
digital engagement pathway — pre-populating company profiles with publicly available
data and then inviting SMEs to validate and enrich that profile quickly and simply. The
SME gets useful resources and benchmarking in return. The bank gets comparable
emissions and sustainability data ready for regulatory reporting and green finance
qualification.

It’s a model that works because it removes friction from both sides. SMEs aren’t being
hit with 40-question surveys by yet another third party. Banks aren’t stitching together
manually assembled datasets that fall apart under scrutiny.

With multilateral development banks already channelling billions through commercial
banks to SME customers via transition credit lines — and that number growing fast —
the deployment bottleneck is real and urgent. The institutions that solve the verification
problem now will be the ones able to move fastest, and most credibly, when the volume
arrives.

The question isn’t whether manual verification is sustainable. It clearly isn’t. The
question is how quickly banks are willing to replace it with something that actually
works.

Want to learn more about how the Climate Action Platform works in practice? Get in
touch with The Disruption House.

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