APR 5.99% – 35.99%·$100 – $50,000

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Lender types

Guarantor

Also known as: loan guarantor, guarantee

In one sentence

A person or entity that agrees to repay a loan if the primary borrower defaults. Similar to a co-signer but with a key legal difference: a guarantor's liability is typically secondary (they are called upon only after the lender exhausts collection from the borrower), while a co-signer is jointly and immediately liable.

Full definition

In consumer lending, 'guarantor' and 'co-signer' are often used interchangeably, but the technical legal distinction matters in some loan contexts. The legal distinction: Co-signer - equally and immediately liable for the debt from day one. If the borrower misses a payment, the lender can pursue the co-signer without first trying to collect from the borrower. Guarantor - secondary liability. The lender must typically exhaust collection efforts against the primary borrower before pursuing the guarantor. This secondary nature makes it slightly less risky to be a guarantor than a co-signer in theory. In practice for personal loans: Most U.S. personal loan lenders use 'co-signer' terminology and structure (primary liability) rather than true guarantees. A true guarantor relationship with secondary liability is more common in commercial lending, SBA loans, and international consumer lending. Impact on the guarantor's finances: Whether called a guarantor or co-signer, the obligation appears on the guarantor's credit report. The loan balance counts toward the guarantor's DTI if they apply for other credit. Any missed payment is reported on the guarantor's credit report. The guarantor can be sued for the balance if the primary borrower defaults. SBA loan guarantees: In small business lending, the SBA typically requires the business owner to personally guarantee SBA loans. This means the owner's personal assets are at risk if the business defaults - a true personal guarantee. Before agreeing to be a guarantor or co-signer: Understand that you are accepting full financial responsibility for someone else's debt. Only agree if you can absorb the payments without financial hardship. Have an honest conversation about the borrower's plan and ability to repay.

Editorial
Written by
Get Advance Loan Editorial Team
Reviewed by
Compliance Review
Published
January 15, 2026
Last reviewed
June 15, 2026
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