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If you’re planning to study abroad, you’ll likely encounter terms like guarantor and cosigner, especially when applying for education loans or renting accommodation. While they may sound similar, these roles carry very different levels of financial responsibility and legal risk.
For international students, a limited credit history or unstable income can make it harder to secure loans or housing independently.
That’s where a guarantor or cosigner steps in. But knowing which one you need, and what each role involves, is essential to avoid misunderstandings and protect both yourself and your financial backer.
This blog breaks down the key differences between a guarantor and a cosigner, explaining when each is typically required, and helps you make informed choices as you settle into life abroad.
Difference Between Guarantor & Cosigner: An Overview

Feature | Guarantor | Cosigner |
Financial Responsibility | Only responsible if the primary borrower defaults on payments. They act as a backup payer and do not have immediate liability. | Responsible from day one for the entire debt or lease. They share joint responsibility with the borrower and must make payments if the borrower misses any. |
Liability | Secondary guarantor. Their obligation kicks in only after the borrower completely fails to meet loan or rent obligations. | Joint primary borrower. Legally responsible for the loan or lease alongside the primary borrower at all times. |
Credit Report Impact | Typically does not impact the guarantor’s credit score or report unless the borrower defaults, triggering the guarantor’s obligation. | Immediate impact: the cosigned loan or lease appears on the cosigner’s credit report, affecting credit score positively or negatively throughout the life of the loan or lease. |
Rights to Property/Loan | No ownership rights or claim to the property or loan proceeds – they only guarantee repayment. | No ownership rights or financial benefit from the loan, but share legal responsibility. For leases, cosigners are usually entitled to occupy the rental property. |
Presence on Lease or Loan | Usually signs a separate guarantee agreement or clause but does not appear directly on the main lease or loan contract. | Must sign the main lease or loan contract, making them a formal party to the agreement. |
Living with Tenant (Rental Context) | Usually does not live with the tenant; their role is purely financial backup without involvement in tenancy. | Often lives with the tenant since they are directly part of the lease and are responsible for payments. |
Access to Loan or Lease Information | Does not typically receive loan or lease statements or payment information unless the borrower defaults. | Can request and receive full account statements and notices immediately, as they have equal legal rights on the loan or lease. |
Common Use Cases | Generally used where the borrower wants to avoid sharing lease or loan control; for example, securing an apartment lease without another occupant or when the cosigner option is unavailable. | Used when the lender or landlord requires shared responsibility, or the borrower needs a stronger credit profile on day one. Common for student loans and rental agreements requiring joint responsibility. |
Who is a Guarantor?
A guarantor is someone who agrees to take on payment responsibility only if the primary borrower or tenant fails to meet their obligations. Often, guarantors serve as a safety net to reassure lenders or landlords when the borrower has poor credit, no rental history, or insufficient income.
- Guarantors typically do not live with the tenant.
- Their responsibility kicks in only when payments are missed or the borrower defaults.
- They do not have rights over the property or loan proceeds.
- Guarantors are common in rental agreements or loans for individuals with limited credit history.
Who is a Cosigner?
A cosigner takes on equal financial responsibility for the loan or rental agreement from the start. They sign the legal documents along with the primary borrower and can be held responsible immediately if payments are late or missed.
- Cosigners often live with the tenant (especially in rental agreements).
- Their credit reports reflect the loan or rental obligation immediately.
- While they gain no ownership rights, they share equal liability.
- Cosigners are common when lenders want extra security or when borrowers have weak credit but need immediate backing.
Also read: Scholarships For Studying Abroad By Indian Government in 2025
Guarantor vs Cosigner: When Is Each the Right Choice?
Deciding whether to get a guarantor or a cosigner depends heavily on your personal financial situation, creditworthiness, and the specific requirements of landlords or lenders.
The choice can affect your financial liability, credit impact, and even your relationship with the person supporting you.
Here’s a closer look at when each option makes sense:
Get a Guarantor if:
- You prefer to Retain Primary Responsibility: You want to keep the loan or lease fully in your name and maintain control over payments, relying on the guarantor only as a secondary safety net if you default.
- Your Credit or Rental History Is Limited or Poor: If you’re new to credit or renting, a guarantor with a solid credit record can boost your application without them sharing direct responsibility from the outset.
- You Do Not Live With the Guarantor: Guarantors often are family members or friends who support you financially but do not intend to be involved in your day-to-day living arrangements.
- Your Landlord or Lender Allows Guarantors: Especially in rental markets, some landlords accept guarantors as a condition for tenants who don’t meet income or credit thresholds, but want to vet if this option is available.
- You Want To Minimise Impact on the Guarantor’s Credit: Since guarantors are only liable if you default, their credit exposure is more limited compared to cosigners.
Get a Cosigner if:
- You Need Shared Responsibility From the Start: Cosigners are jointly responsible from the moment the contract begins, providing lenders or landlords with stronger assurance that payments will be made.
- Your Credit Score or Income Is Insufficient: When lenders or landlords require a more immediate and binding guarantee due to financial risk, a cosigner’s presence can facilitate approval faster.
- The Cosigner Will Live With You: This is common in rental situations – cosigners living alongside tenants offer landlords immediate security.
- You Want to Build or Improve Credit Together: Making timely payments benefits both your credit record and that of your cosigner, an advantage for young adults or those rebuilding credit.
- You Expect Greater Flexibility in Loan or Lease Terms: Cosigners may allow you to access better interest rates or lower deposits depending on their financial history.
Understanding Third-Party Rent Guarantors
For tenants who lack willing family members or friends to act as guarantors or cosigners, professional rent guarantor services offer a practical alternative, especially in competitive or high-rent markets.
These companies serve as guarantors for a fee, typically charging either a one-time or annual payment based on the rental amount.
To qualify, tenants usually need to provide proof of income, undergo credit checks, and submit other financial documentation to demonstrate their ability to pay rent reliably.
The key benefit of using third-party rent guarantors is that landlords gain confidence from working with financially stable companies that have clear procedures for covering missed rent payments. This allows tenants to secure rental agreements without relying on personal connections.
However, tenants should carefully consider the costs involved and review the terms and conditions, including how defaults are handled and any applicable fees.
While these services generally do not directly impact a tenant’s credit score, it is advisable to confirm this with the provider before proceeding.
Key Criteria Landlords Use to Evaluate Guarantors and Cosigners
Landlords typically review the financial stability and creditworthiness of guarantors and cosigners:
- Credit Checks: Both guarantors and cosigners undergo credit score evaluations. Cosigners face more scrutiny since they are immediately liable.
- Income Verification: Proof of steady income, such as pay slips or tax returns, is mandatory.
- Rental History: A positive rental history improves chances.
- Legal Documentation: Guarantors might provide a separate contract; cosigners sign the same lease as tenants.
How Landlords Prioritise Tenants: Cosigners, Guarantors, and Independent Applicants?
- Preference for Cosigners
Landlords typically favour tenants with cosigners because cosigners share joint responsibility for the lease or loan from day one. This immediate and ongoing liability gives landlords greater assurance of payment, making applicants with cosigners more attractive.
- Role of Guarantors
Tenants backed by guarantors are also preferred over those without financial support. Guarantors act as a backup, stepping in only if the tenant defaults. Although valuable, guarantors are generally viewed as a less strong guarantee compared to cosigners, since their responsibility is conditional and secondary.
- Challenges for Tenants Without Financial Backing
Applicants without guarantors or cosigners often face stricter requirements. These can include higher security deposits, upfront payments, or the need to provide robust proof of income and financial stability to convince landlords to approve the lease.
Financial Liability: When Guarantors and Cosigners Fail to Pay
If a cosigner fails to pay, landlords or lenders can pursue both the tenant and the cosigner right away. Since cosigners share joint liability, they are equally accountable for all lease or loan payments from the start.
A guarantor’s obligation arises only after the tenant defaults and all attempts to collect payments from the tenant have failed. At this stage, the guarantor is responsible for covering the missed amounts.
Non-payment can damage credit scores for both parties involved and may strain personal relationships, especially when guarantors or cosigners are close family or friends.
Alternatives to Using a Guarantor or Cosigner
- Building a Strong Credit Profile
Strengthen your individual credit history by making timely payments and practising responsible financial management to boost landlord confidence.
- Offering Larger Deposits or Prepayments
Providing a higher security deposit or paying rent upfront reduces the landlord’s risk, making you a more appealing tenant without needing a guarantor or cosigner.
- Professional Rent Guarantor Services
Consider third-party guarantor companies that act as your financial backup for a fee, eliminating the need to involve personal contacts.
- Flexible Landlord Requirements
Some landlords or lenders have lenient criteria and may approve tenants without guarantors or cosigners based on your financial profile.
- Applying with a Co-Applicant
Sharing lease or loan responsibility with a co-applicant (co-borrower) can strengthen your application by splitting financial obligations, similar to having a cosigner.
Also read: Things You Can Do To Pay Your Rent On Time
Understanding the difference between a guarantor and a cosigner is essential when you are applying for a loan or renting a property, especially if you have limited credit history or income.
A guarantor acts as a backup, stepping in only if you default on payments, while a cosigner shares equal responsibility from the outset. Each carries significant financial implications and impacts credit differently.
Choosing between them depends on your specific financial situation, relationship with the person supporting you, and the requirements of lenders or landlords.
Secure your loan or rental with confidence – understand the difference between a guarantor and a cosigner with expert help. Connect with UniCreds today for personalised guidance!
Also read: How Much Salary Do You Need For Education Loans?
FAQs
1. What is the main difference between a guarantor and a cosigner?
A guarantor takes responsibility only if the borrower defaults, whereas a cosigner shares legal and financial responsibility from the start.
2. Will being a guarantor affect my credit score?
Typically, a guarantor’s credit score is only affected if the guarantor must make the primary borrower defaults and payments.
3. Does a cosigner have the right to the property or loan?
No, cosigners share financial responsibility but do not have ownership rights over the property or loan.
4. Can I have a professional or third-party guarantor instead of a family member?
Yes, professional third-party rent guarantor services exist and can act on your behalf for a fee, especially if personal contacts are unavailable.
5. What happens if a guarantor or cosigner fails to pay?
Both scenarios can lead to legal action and may damage credit scores, with cosigners facing immediate liability and guarantors stepping in only after the borrower defaults.
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