How banks rate borrowers internally, and why it affects your pricing

What an internal rating is, and why every borrower has one

Every bank and most NBFCs run an internal credit rating model on each borrower, quite separately from any external rating agency. This internal grade is not published to you, and you will not see it stated on a sanction letter, but it drives almost every decision the bank makes about your account — the interest rate applied, the collateral cover expected, the frequency of stock and receivable audits, and how quickly a renewal is processed each year.

The model typically produces a grade on a scale — commonly something like AA to D, or a numeric equivalent — built from financial ratios, conduct of account, industry risk, and management assessment. Two borrowers with similar turnover and similar collateral can sit in very different bands, and pay very different rates, because of how the underlying model reads their file.

What typically feeds the internal rating model

While every bank's model differs in weighting, most combine the following broad categories:

• Financial risk — liquidity ratios such as the current ratio, leverage measures, debt servicing capacity through DSCR and interest coverage, and profitability trends over the last several years.
• Conduct of account — whether cash credit and overdraft limits are used within sanctioned levels, whether stock statements and renewal documents come in on time, and whether any instalment across any facility has ever been delayed.
• Industry risk — a sector-level score the bank applies uniformly, which can move your grade even if nothing in your own business has changed.
• Management risk — years of experience, succession clarity, and how promoters have handled previous downturns or disputes.
• Security and collateral cover — the type and quality of primary and collateral security offered against the facility.

How often the model itself is recalibrated

Banks periodically review and recalibrate their internal rating models, often on a multi-year cycle, based on how well past ratings actually predicted defaults across their loan book. This means the same borrower conduct can be scored slightly differently after a recalibration, even without any change in the borrower's own behaviour. It is one reason a business that has kept its conduct steady can still see its internal grade shift at a renewal — the yardstick itself has moved, not necessarily the borrower.

Why the same business can be rated differently by two banks

Because each bank builds and calibrates its own model, and weighs industry risk differently, the same financial statements can produce a noticeably different internal grade at two different banks. This is one reason multiple banking relationships sometimes see very different pricing for what looks, on paper, like the same borrower profile.

How the internal rating actually affects your pricing and terms

Banks typically price loans off a benchmark rate plus a spread, and the spread is largely a function of the internal rating band. A borrower who moves up one or two bands, without necessarily doing anything dramatic, can see a lower spread applied at the next renewal. Equally, a borrower whose conduct slips — a late stock statement, a temporarily overdrawn cash credit account, a delayed instalment on an unrelated term loan — can see the spread widen even if turnover and profit both improved that year.

What a borrower can actually influence

You cannot see the exact model, and you cannot negotiate the industry-risk component directly. But the conduct and financial-risk components are largely within your control:

• Keep cash credit and overdraft utilisation within sanctioned drawing power at all times, and avoid even brief technical overdrawals.
• Submit stock statements, CMA data and renewal documents ahead of, not on, the deadline.
• Maintain a consistent debt service coverage ratio across cycles rather than one strong year offsetting weaker ones.
• Flag known issues — a delayed customer payment, a temporary cash crunch — to the bank proactively rather than letting the bank discover it through a bounced instrument.
• Keep audited financials aligned with GST returns, since discrepancies between the two are increasingly checked as part of the assessment.
• Respond quickly and completely to any additional information request from the bank, since a slow or partial response is itself sometimes read as a soft indicator of stress, independent of the underlying question asked.
• Where multiple banking or consortium arrangements are in place, keep every lender informed of the same facts at the same time, since inconsistent information across lenders is one of the fastest ways to damage credibility with all of them at once.

None of this guarantees a specific grade or a specific spread — the model, its weightings, and the bank's ultimate credit decision remain entirely the lender's own. What consistent attention to these factors does is remove avoidable reasons for a grade to slip, leaving the bank's assessment to rest on the genuine underlying strength of the business rather than on easily fixed administrative gaps.

Where a financial wellness review fits in

A structured financial wellness review looks at the same broad categories a bank's internal model does — liquidity, leverage, servicing capacity, and account conduct — and flags gaps before a renewal, rather than after a spread has already widened. It does not reveal or predict a bank's exact internal grade, since that model and its weightings are proprietary to each lender, but it addresses the same underlying inputs the model is built on.

For a business with multiple banking relationships, this kind of review is particularly useful because it looks across the whole borrowing relationship rather than through the lens of any single lender's model. A weakness that one bank's model might weight lightly could matter a great deal to another bank's calibration, and a review that considers the business holistically — rather than through one lender's scoring logic alone — is more likely to surface issues before any single renewal conversation turns difficult.