What a Credit Rating Letter Measures and What It Doesn't
Why the risk score comes before the interest rate
What does a credit rating mean when it appears beside a loan’s interest rate? That depends on who assigned it and what was assessed. An agency may have rated the company as a whole or one of its debt obligations. A platform may have assessed the specific transaction shown in the listing. The number or letter only makes sense once the scope is clear.
Suppose a company with an outstanding bond applies for a new loan backed by equipment. Its issuer rating reflects the company’s overall creditworthiness. The new loan has its own repayment schedule and terms that determine what lenders can claim if the company falls behind. Those details come from the loan agreement, and the credit grade alone does not explain the advertised rate.
What a letter from AAA to D actually signals
Who assigns a credit rating to a company or a loan?
Credit rating agencies assess issuers and individual debt obligations using their own methodologies. A rating may apply to a company, a government or a particular bond. A lending platform can also produce an internal risk score when it reviews a proposed loan. The source tells an investor whose definitions apply and where to look for the scope of the assessment.
How are credit ratings assigned? An agency evaluates the evidence about the borrower’s ability to meet its obligations and applies the criteria for that type of issuer or debt. On a typical AAA to D rating scale, AAA sits at the top and D denotes default under the agency’s definition. Categories and definitions can differ between agencies, even where the symbols look alike.
What does a BBB rating mean compared to AAA?
Within the same scale, BBB indicates higher assessed credit risk than AAA. The letters establish the order of the categories. They leave the size of the difference open. An agency may publish historical default rates for each grade, but those figures describe groups of rated borrowers over a stated period. An individual borrower’s outcome can differ from the experience of its group.
| What a rating letter tells you | What a rating letter does not tell you | |
|---|---|---|
| Relative ranking | Where an issuer or rated obligation sits against others on the same scale. | The exact probability that a particular borrower will default. |
| Point in time | The assessment reflects the information available when the rating was assigned or last reviewed. | How future events will unfold or whether the rating still reflects a recent change. |
| Issuer-level signal | An issuer rating assesses the creditworthiness of the company as a whole. | The collateral, payment priority or maturity of a particular loan. |
| Scale-specific meaning | The grade has a defined place in the methodology that produced it. | The equivalent grade on another organisation’s scale, even when the same letters appear there. |
The table explains the general principles behind credit rating scales. The definitions for any particular grade come from the organisation that assigned it.
What Maclear’s internal project score adds
Maclear’s Platform Facts describes a 1–10 internal risk score for each project at the due diligence stage. The assessment covers six factors: financial condition, collateral, country risk, business model, capitalisation and transparency. The score summarises Maclear’s assessment of the proposed transaction when it was reviewed for funding.
When a borrower returns for another loan, its accounts may already be familiar. The new loan can still fund a different activity, rely on a different source of repayment or be backed by a different asset. That is why Maclear’s borrower scoring system assesses each proposed deal. The new listing gives investors the terms that apply to that loan.
How does a platform’s internal risk score differ from an agency’s letter rating?
The platform score supports underwriting for a particular deal. An agency rating expresses the agency’s opinion about the issuer or debt obligation named in its assessment. Even if both are looking at the same company, they can use different information and apply different criteria. There is no direct conversion from a Maclear project score to an agency letter.
A personal credit score can draw heavily on someone’s borrowing and payment history. A platform assessing a particular loan may also look at the asset pledged as collateral and how the borrower expects to generate the cash to repay it. The word score alone tells an investor little about what went into the assessment.
Why a rating can change after it is assigned
A rating can take account of future obligations already known at the time of review. An agency may consider a large debt payment due next year, for example, or a refinancing the borrower expects to complete. The assessment still rests on evidence available at the time. A major customer can leave or a lender can withdraw a refinancing offer before the rating is revised.
An internal underwriting score reflects the information available when the platform reviewed the project. If a listing has been open for a while, check the assessment date and any updates from the borrower for changes the score may not capture. Tools such as digital identity can change what information goes into a credit score, but the date of the assessment still matters.
What a score leaves open about a specific loan
A platform can consider collateral in its assessment while the score itself leaves the investor with practical questions. Which asset backs the loan? Does another lender have a prior claim on it? When does the principal fall due? The listing and loan terms are where those questions can be answered. They establish the rights attached to the claim and the schedule on which the borrower is expected to pay.
Can a company with a good credit rating still default?
Yes. A high rating indicates lower relative credit risk on the agency’s scale, but the borrower’s finances can deteriorate after the rating is assigned. If the company defaults, two lenders can recover different amounts because their claims have different repayment priorities or rights over collateral. In peer-to-peer (P2P) lending, the rating helps assess the chance of default, while the loan terms help explain what a lender might recover if it happens.
A checklist for reading a score before funding a claim
- Find who assigned the assessment. The source determines whether an agency’s rating definitions or the platform’s own underwriting criteria apply.
- Check the scale and date. Find out which end represents lower assessed risk and when the rating or score was assigned or last reviewed.
- Identify what was assessed. Check whether the grade covers the issuer, a particular debt obligation or the deal in the listing. Read the loan terms separately for collateral, payment priority and maturity.
- Compare scores within their own scales. When two platforms use different systems, compare the underlying borrower information and loan terms. Matching letters or numbers can represent different judgements.
A credit rating letter ranks relative risk at the moment it was assigned - it is not a forecast of when a default might happen, not a guarantee against loss, and not a figure that transfers unchanged from one agency's or platform's scale to another's.
Frequently asked questions
What does a credit rating letter actually measure?
It measures relative credit risk within the scale used by the organisation that assigned it. A higher grade generally indicates a lower assessed likelihood of default than a lower grade on the same scale. To interpret the letter, check whether the assessment covers the whole issuer or a particular debt obligation.
Who assigns credit ratings?
Credit rating agencies assign ratings to issuers and individual debt obligations using their own methodologies. Private lending platforms may also assess proposed loans during due diligence. That process produces an internal risk score for the platform’s underwriting purposes, which has its own definitions and scope.
Can an investment with a high credit rating still lose money?
Yes. A high grade reflects the credit assessment when the rating was assigned or last reviewed. The borrower’s ability to repay can weaken after that date. If payments fall short, the amount recovered depends partly on the rights attached to the debt and what is available to repay creditors.
What should I check before funding a claim based on its risk score?
Check who assigned the score, what scale they used and whether it covers the company or the individual deal. The date shows how recent the assessment is. Then read the loan terms for the collateral, payment priority and maturity. Those details affect when payment is due and what may be recovered.
Is a platform’s internal risk score the same as a credit rating agency’s grade?
No. A platform produces its internal score for underwriting using its own factors and definitions. An agency rating follows a separate methodology and can cover an issuer or a specific debt obligation. Even when the assessments concern the same borrower, each result has to be read within the system that produced it.
Maclear AG is a Swiss peer-to-peer (P2P) lending and crowdlending platform, headquartered in Switzerland. The company acts as a financial intermediary in the non-banking sector and is a member of PolyReg SRO, in accordance with Swiss financial regulations, particularly regarding AML, KYC, and GDPR. Maclear provides individual and qualified investors access to carefully selected business loan opportunities, with integrated risk assessment, a Provision Fund, and a Secondary Market for liquidity.
The content of this article is provided for informational and educational purposes only. It does not constitute investment, financial, tax, or legal advice. Peer-to-peer (P2P) lending and crowdlending investments carry a risk of partial or total loss of capital. Past performance does not predict future results. Liquidity on a secondary market is not guaranteed. Readers are encouraged to conduct their own research and consult qualified advisors before making any financial decisions. The availability of products and services may be restricted in certain jurisdictions.