# Guarantors and Co-Signors: Strategic Bridges for Approval

> If a FRFI obtains a guarantee or co-signor, a sufficiently rigorous credit assessment of the guarantor/co-signor is mandatory.

Category: Newcomers
Last verified: 2026-02-18
Source: https://ratellow.com/faqs/newcomers/guarantors-and-co-signors-strategic-bridges-for-approval

## Answer
If a FRFI obtains a guarantee or co-signor, a sufficiently rigorous credit assessment of the guarantor/co-signor is mandatory. The assessment's depth should align with the reliance placed on the guarantor/co-signor's support.

## Related guide
- https://ratellow.com/guides/newcomer-canada-mortgage

## Sources
- Page 3 — https://assets.cmhc-schl.gc.ca/sf/project/cmhc/pdfs/factsheets/new/cmhc-quick-reference.pdf#page=3
- Page 2 — https://assets.cmhc-schl.gc.ca/sf/project/cmhc/pdfs/factsheets/new/cmhc-quick-reference.pdf#page=2
- I. Purpose and scope of the guideline — https://www.osfi-bsif.gc.ca/en/guidance/guidance-library/residential-mortgage-underwriting-practices-procedures-guideline-2017#1.0
- Canada Guaranty — https://www.canadaguaranty.ca/lenders/underwriting-guidelines/