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Four illustrative problems, and what it took to solve them.

Work drawn from the field

The case studies below are drawn from the work that Reiv Team does, with the companies and identifying details changed. Each one started somewhere other than where it ended, which is usually the point.

Financial ServicesFinancial EmissionsPCAF

A bank that could report its own emissions while the ones that mattered stayed blank.

The problem

A mid-sized European bank had its own operational footprint under control. The lighting, the travel, the buildings: all measured, all shrinking. None of it was the point. Ninety-plus percent of a bank's emissions sit in what it lends to and invests in, and on that number the bank was close to silent. Its CSRD reporting cycle was approaching, and the financed-emissions section was a blank the auditors were not going to accept.

What was at stake

More than a disclosure gap. Without a financed-emissions baseline, the bank could not answer its own board on where climate risk sat in the loan book, could not price it, and could not show a regulator it understood its exposure. The sustainability team knew this. The credit and risk teams, who held the data, did not yet see it as their problem.

What we did

We spent the first weeks inside the credit risk function, well away from the sustainability office, because that is where the exposure data lived and where the resistance lived too. We worked through the PCAF methodology in detail, attributing emissions across the lending portfolio by asset class. The model was integrated into existing risk systems, avoiding a separate spreadsheet that would quickly fall out of use. Where counterparty data was missing, we agreed a documented estimation approach an assurer could follow.

What changed

The bank filed a financed-emissions figure with a method note behind every asset class, and it held up under limited assurance. The quieter outcome mattered more: the risk team now owns the number and updates it on its own cycle. It has even started asking about the carbon intensity of new lending before a loan is booked, where before the question came a year too late.

Financed emissions sit in what a bank lends and invests inFinancial services
Health TechnologySupply-Chain Due DiligenceCSDDD

A medical-device maker whose product was clean and whose supply chain was not.

The problem

A health-technology company had spent years designing a genuinely lower-impact device. The engineering was real. Then the CSRD and the Corporate Sustainability Due Diligence Directive put a harder question on the table: what about the tin in the solder, the polymers in the housing, the sub-suppliers four tiers back that nobody in the company had ever spoken to? The product was responsible. The supply chain behind it was a question mark.

What was at stake

A device sold on its environmental credentials cannot afford a human-rights or deforestation finding in its raw materials. The reputational exposure was obvious. The commercial exposure was sharper: hospital procurement across Europe had begun asking for exactly this evidence in tenders, and the company had none of it ready.

What we did

The work started at the bill of materials and moved outward, mapping each significant material to its origin and scoring where due-diligence risk concentrated. That took our people to two supplier sites in person, because a questionnaire returned from a tier-three vendor tells you what they are willing to write down, which is rarely the same as what is true. We wrote the due-diligence process to the CSDDD, then set up the traceability so the company could evidence a claim it had only been able to assert. Product carbon footprints were calculated to the standard hospital buyers were starting to cite.

What changed

The company can now put a due-diligence file in front of a hospital procurement team and win the point in the room. The device carries a product footprint it can defend to a customer's own auditor. And the design engineers, who once saw sustainability as a compliance tax, now get supply-chain risk data early enough to design around it.

A device is only as responsible as the supply chain behind itHealth technology
Food & AgricultureTraceabilityEUDR

A coffee roaster staring down a regulation it could not yet comply with.

The problem

A European coffee roaster sourced from thousands of smallholder farms across several origin countries, most of them through cooperatives and traders it had no direct line to. The EU Deforestation Regulation required the company to prove, plot by plot, that its beans were not grown on land cleared after 2020. The company knew its volumes. It did not know its farms.

What was at stake

Under EUDR, products that cannot be traced to deforestation-free land cannot legally enter the EU market. For a roaster, the penalty is a shipment stopped at the border, well past the level of a fine. The company had its EUDR application date bearing down, a supply base it could not yet see to the farm, and a procurement team used to buying on price and quality, with geolocation a foreign concept.

What we did

Our people went to two of the origin countries. Traceability in a green-coffee supply chain is won at the collection point, where a cooperative aggregates beans from hundreds of farms, so that is where the evidence had to be captured. We worked with the cooperatives to establish plot geolocation and a chain of custody that survived aggregation, then wrote the due-diligence statements to the regulation. The harder work was procurement: we helped rewrite sourcing contracts so traceability became a condition of supply, and helped the buyers understand which cooperatives could realistically meet it and which needed time and support.

What changed

By its EUDR application date, the roaster could produce a due-diligence statement for its covered volumes, backed by geolocation the authorities would accept. What began as a compliance emergency became a sourcing standard the company now uses to decide who it grows with. The cooperatives that invested in traceability became preferred suppliers, which turned a regulatory burden into a reason to deepen the best relationships.

Traceability in a green-coffee supply chain is won at the collection pointFood & agriculture
ManufacturingDecarbonizationSBTi

A manufacturer whose net-zero pledge had no plan underneath it.

The problem

A consumer-goods manufacturer had announced a 2040 net-zero target with real conviction and no arithmetic. The commitment was public, the board was proud of it, and nobody inside the company could show how the tons came down or what it would cost. Two years on, the annual report needed progress to point to, and there was little.

What was at stake

A public net-zero claim with no funded pathway is a governance risk and, increasingly, a legal one. Investors had started asking for the transition plan. The sustainability lead was caught between a board that thought the problem was solved and an operation that had not changed.

What we did

We reworked the greenhouse-gas inventory properly first, past the spend-based estimates that had flattered the Scope 3 number, into supplier and site data for the categories that dominated the footprint. Then we modelled the decarbonization pathway against the company's real capital cycle, so each reduction lined up with when a plant was due for reinvestment or a contract due for renewal. We ran a marginal abatement cost curve so the board could see which tons were cheap and which were expensive, and sequenced the plan to fund the affordable reductions first. Finance was in the room for all of it.

What changed

The 2040 target now has a dated, costed pathway behind it that the CFO has signed. The manufacturer's transition plan answers the investor questions it used to dodge. Progress reporting shows movement against a curve, where before it could only restate the ambition. The target did not change. For the first time, it became something the company could deliver.

A net-zero target modelled against the real capital cycleManufacturing

The pattern underneath

Read across the four and the same pattern emerges. The presenting problem is rarely the real one. The evidence lives with people who do not yet see it as theirs to give. And the fix only holds if it ends up owned inside the company, safe from becoming a report left to gather dust. That is the work we do, and the reason we stay on site to do it.

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