The credit filter

This article is part of In conversation about sustainable finance & emission reduction systems, a new series by Diego Balverde. You're reading volume six of the The Collateral Crisis series. Here is volume five

Prologue

Credit no longer moves evenly through the system. It is filtered, concentrated, priced more aggressively and increasingly used to decide who can continue operating with financial oxygen and who begins to fall out, even before insolvency appears on paper.

That is the defining shift of this stage. For years, a large share of the economy lived under the assumption that money would eventually find its way to any reasonably viable business. That assumption no longer holds. In the fourth quarter of 2025, euro area banks reported a further net tightening of credit standards for firms of 7%, after 4% in the third quarter, bringing cumulative tightening since the third quarter of 2024 to 19%. 

For the first quarter of 2026, banks expected another 6% tightening. That is not a technical side note. It is evidence that the system no longer lends the same way because it no longer reads risk the same way. Banks are no longer asking only how much you sell. 

They ask how much stress you can absorb, how much margin you preserve, how stable your cash flow is, how exposed you are to energy and logistics volatility, and how reliable your collateral remains if the world continues to get more expensive.

Credit has stopped being expansion and become selection

The credit system is changing because risk no longer enters through a single channel. It comes through energy, freight, regulation, interest rates, trade uncertainty and lower tolerance for weaker balance sheets. When banks explain why they tighten credit, the answer is no longer limited to higher funding costs or monetary policy. It increasingly reflects a broader change in attitude toward risk itself. In late 2025, higher perceived risk and lower risk tolerance together accounted for most of the tightening in corporate lending standards. That means something very concrete. The system is no longer simply charging more. It is accepting less. It is demanding stronger collateral, shorter maturities, tighter covenants and more conservative assumptions. And when this happens in a system carrying roughly 6.4 trillion euros in corporate credit across the EU and EEA, the problem is not marginal. It is structural.

The difference between abundant credit and filtered credit is not just the interest rate. It is a qualification. A company can still be operational and yet already be drifting toward the wrong side of the system. First the cost of money rises. Then the terms harden. Then the amount available shrinks. Eventually the financing no longer closes. 

That is how silent exclusion works. 

There does not need to be a dramatic refusal from the bank. 

It is enough for money to arrive with enough conditions and enough price that the borrower can no longer carry it. 

This is already happening in segments where cash flow stability is questionable, energy exposure is high and business models depend on assumptions that no longer hold.

The real filter is cash flow stability

Credit does not finance narratives. It finances stability. A company may still have revenue, assets and market share, but if its cash generation becomes too volatile because of power costs, shipping delays, higher insurance, more expensive inventories or heavier refinancing, it enters a different category. Many businesses still think banks finance volume. They do not. Banks finance the confidence that future cash flow will remain predictable enough to cover debt. That confidence is worth far more today than it was three years ago. If EBITDA falls 15% to 20% in a sector already operating on thin margins, debt-service coverage can deteriorate fast enough to move an apparently healthy borrower into a watch zone.

This deterioration does not need to become default immediately to damage financeability. It only needs to move into Stage 2, where risk has materially worsened. In the third quarter of 2025, Stage 2 loans still represented 9.3% of total loans in the EU and EEA banking system. That is too large a share for anyone to pretend that credit remains neutral. Nearly one in ten loans was already under reinforced surveillance. That is not open panic. But it is also not normal credit allocation. It is filtered finance in progress.

Who stays inside and who gets pushed out 

The system has already started distinguishing between types of borrowers, even if it has not yet turned that distinction into a widely understood narrative. Lending growth in 2025 was stronger for larger corporates than for SMEs, around 2.3% for non-SMEs versus 1.2% for SMEs. That is a clear sign. The system is still lending, yes, but it is lending better to those with scale, stronger balance sheets and more capacity to absorb shocks. Credit does not vanish. It concentrates. And when it concentrates, the economy becomes more unequal without any formal announcement.

The signal becomes stronger at the more fragile edge of the system. Consumer credit was already showing NPL ratios around 5.4%, and SMEs around 4.6%. That matters because banks do not react to deterioration only where it occurs. When they see weakness at the edges, they become more conservative at the core. The filter therefore widens. It starts with the most vulnerable borrowers and then influences the pricing, structure and availability of credit for everyone else. Banks do not need to cut off funding to transform the economy. They only need to make funding more conditional.

The filter also has a positive side. It does not only punish weak profiles. It increasingly rewards borrowers that can show a transition path, lower future energy intensity, stronger operational control and better regulatory defensibility. Demand for credit from transition-oriented and greener companies has strengthened, while high-emitting firms face weaker demand and a more difficult financing environment. That means the system is not merely filtering out. It is also filtering toward. The problem is that many firms still misunderstand this. They think transition is branding. It is not. It is the process of remaining financeable in a world where money is more expensive and risk scrutiny is harder.

Implementation and value capture

In this environment, the only credible way to move through the credit filter is not to ask lenders for patience. It is to reduce risk in measurable ways. This is where efficiency becomes a strategy for accessing capital. If an industrial plant cuts energy use by 15%, reduces idle time by 20% and lowers logistics cost per ton by 10% to 15%, it does not merely improve margin. It lowers cash-flow volatility. And when cash flow becomes more stable, banks interpret the borrower differently. Financing spreads can narrow by 50 to 150 basis points. On a 100-million-euro debt structure, that means 500,000 to 1.5 million euros per year. That is not green storytelling. It is concrete financeability.

This is where models like BalGreen become relevant in a practical sense. Not as slogans, but as tools. If a port, industrial or logistics operation can identify where energy is wasted, where asset rotation is weak, where time is lost and where process friction destroys cash flow, those corrections can be transformed into measurable savings. Measurable savings become stronger cash flow. 

Stronger cash flow becomes better credit quality. Better credit quality means better survival inside the system. That bridge from operational efficiency to financial defensibility is the bridge many firms still have not built. 

The market will not reward intentions. It will reward documented reduction in friction. Whoever can convert efficiency into a lender-friendly financial story backed by numbers will remain inside the system. Whoever cannot will find out that the filter was never rhetorical. It was always banking.

Analysis

The real debate is no longer whether credit is tightening. It is already tightening. The serious question is how fast that tightening will redraw the real economy. How many firms still think their problem is only the price of money, when the real problem is that they no longer qualify under the same assumptions? 

How much of reported credit growth is genuine expansion and how much is concentration in larger, safer borrowers while the rest of the economy survives under worse conditions? 

How many corporate balance sheets still look acceptable only because Stage 2 has not yet turned into open default? Can an economy keep growing in a healthy way if new credit increasingly flows to fewer hands with better collateral, while smaller borrowers face more friction, higher spreads and shorter maturities? Are we entering a system where the right to receive money matters more than the nominal cost of money itself? 

What happens to innovation, to SMEs and to mid-sized productive firms if banks finance not the highest potential but the least frightening profile?

Is banking at risk of reinforcing the concentration that later makes the whole economy more fragile? 

And what happens if the next shock arrives when a large share of mid-market firms are already standing at the edge of the filter, with no room for another rise in energy, another logistics hit or another collateral repricing?

The most uncomfortable question is the simplest one: is the financial system still allocating capital to build the future, or is it already allocating capital mainly to defend itself from risk? 

Because if the answer is the second, then credit stops being a growth engine and becomes a selection mechanism. And when credit becomes a selection mechanism, the economy does not expand organically. It begins to split.

Conclusion

My conclusion is simple and brutal. Credit is no longer a neutral resource. It is an active filter separating companies, sectors and operating models. It is no longer enough to sell, to grow or to hold assets. Businesses now have to prove cash-flow stability, lower friction and the ability to survive in a structurally more expensive world. Banks are no longer financing only outcomes. They are financing resilience. And that changes everything.

That is why the dividing line of the next cycle will not run between those who pay slightly higher rates and those who pay slightly lower ones. It will run between those who remain financeable and those who stop being financeable. That is the real difference. Whoever can turn efficiency into cash flow, cash flow into lower risk and lower risk into better access to capital will stay inside the system. Whoever cannot will end up on the wrong side of the filter, regardless of talent, effort or market position. Because when credit filters, the balance sheet makes the final decision.

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