Published in September 8, 2023

How Another Person’s Debt Can Affect Your Credit Score

How Another Person’s Debt Can Affect Your Credit Score
Home > Credit Scores > How Another Person’s Debt Can Affect Your Credit Score

Shared Credit Woes

In the world of finance, we often find ourselves navigating the delicate balance between independence and interdependence. This journey frequently leads us to shared credit arrangements and co-signing for loans or credit cards with family members, friends, or even partners. While these financial partnerships can be a lifeline in times of need or a significant step towards achieving common goals, they come with a set of complexities and potential pitfalls that are essential to understand.

In this article, we will go deeper into the world of shared credit and co-signing, shedding light on the intricacies of these arrangements and their profound impact on your credit score. Your credit score is not just a number; it’s a powerful indicator of your financial health, influencing your ability to secure loans, rent an apartment, or even land your dream job. Therefore, it’s crucial to be fully informed about how shared credit can affect this vital aspect of your financial life.

Understanding Shared Credit and Joint Obligations

How Co-signing for Loans or Credit Cards Works

Co-signing for loans or credit cards involves two parties, typically one with a strong credit history and one with a weaker credit history. The co-signer agrees to share responsibility for the debt with the primary borrower. If the primary borrower fails to make payments, the co-signer is legally obligated to cover the debt. This joint responsibility is crucial for lenders who may be hesitant to extend credit to individuals with insufficient creditworthiness. Co-signers should understand that their credit history can be affected if the primary borrower misses payments or defaults.

Types of Shared Credit Accounts

In Australia, there are various types of shared credit accounts, each designed to meet specific financial needs and preferences:

  • Joint Bank Accounts: Joint bank accounts are commonly used in Australia, and they can be of various types, including savings, transaction, or term deposit accounts. These accounts allow more than one person to access the funds, making it easier to manage shared expenses and financial responsibilities.
  • Joint Credit Card Accounts: A joint credit card account in Australia allows two individuals to share access to a single credit card. Both parties have equal responsibility for managing and paying off the credit card balance.
  • Joint Loans: Joint loans are perhaps the most common type of shared credit account. In a joint loan, two or more individuals apply for a loan together, and they are equally responsible for repaying the entire loan amount. This means that all co-applicants have their credit histories and financial situations considered when applying for the loan, and they share the responsibility for making timely payments.
  • Guarantor Loans: In a guarantor loan, one individual (the guarantor) agrees to take responsibility for the loan if the primary borrower defaults. The guarantor is typically someone with a strong credit history and the financial means to cover the loan repayments if necessary. These loans are often used by individuals who may not have a strong credit history or are first-time borrowers.
  • Co-Signer Loans: A co-signer loan involves one person applying for a loan, but they have a co-signer who agrees to be equally responsible for the loan in case the primary borrower cannot meet the repayment obligations. The co-signer’s credit history and financial stability are considered during the loan application.
  • Mortgage Co-Borrowers: When purchasing a home, couples or family members often become co-borrowers on a mortgage. This allows them to combine their income and creditworthiness to qualify for a larger loan amount or better interest rates. All co-borrowers share ownership of the property and are equally responsible for mortgage repayments.

Risks and Benefits of Co-signing for Credit


  • Access to Credit: Co-signing can help individuals with limited or damaged credit histories access credit they might not qualify for on their own.
  • Credit Building: Timely payments on shared accounts can help both parties build or improve their credit scores.


  • Financial Liability: Co-signers are equally responsible for the debt, which means they could be on the hook for repayments if the primary borrower defaults.
  • Credit Impact: Late payments or defaults by the primary borrower can negatively affect the co-signer’s credit score.

How Shared Debt Affects Your Credit Score

While shared debt can provide access to financing and help achieve mutual goals, it also comes with a significant impact on one’s credit score – a crucial indicator of financial health.

Influence on Credit Reports

According to the Credit Reporting Code of Conduct, when you share a credit account with someone, it typically appears on both parties’ credit reports. Credit reporting bodies like Equifax, Experian, and Illion generally include shared credit accounts in the credit reports of all account holders. These reports reflect the payment history and account behaviour, which can have a substantial impact on the credit scores of all individuals associated with the account. It’s crucial for individuals sharing credit to be aware of this practice and manage their shared accounts responsibly to maintain or improve their credit scores.

Impact on Credit Scores

Joint credit accounts can directly impact your credit scores. Your credit utilisation ratio, which measures the amount of available credit you’re using, can increase if you share an account with a high balance. Additionally, missed payments on shared accounts can significantly lower your credit score, making it crucial for all account holders to communicate and manage the account responsibly.

Consequences for Creditworthiness

Shared debt can affect your creditworthiness when applying for new credit. Lenders assess your credit history and score to determine your eligibility for loans or credit cards. If your shared debt has a negative history, it might result in higher interest rates or even denial of credit.

Strategies for Responsible Management of Shared Credit Obligations

Managing shared credit obligations responsibly is crucial for maintaining a healthy credit score and financial well-being.

Addressing Negative Impact on Your Credit

  • Regularly Monitor Your Credit Report: Begin by regularly monitoring your credit file, which you can obtain for free once a year from credit reporting agencies like Equifax, Experian, and Illion. This will help you stay informed about any changes or issues with your credit history.
  • Open Communication: If shared credit obligations are affecting your credit negatively, it’s essential to communicate openly with the other parties involved. Discuss the situation and explore potential solutions together. Sometimes, misunderstandings can be resolved through dialogue.
  • Negotiate with Creditors: In cases where shared credit is causing issues, consider negotiating with creditors to modify the terms of your credit obligations. This could involve asking for lower interest rates, extended payment terms, or even debt consolidation.
  • Financial Counselling: Seek assistance from a financial counsellor or advisor who can guide managing your shared credit obligations. They can help you create a budget and develop a debt management plan tailored to your situation.
  • Consider a Financial Hardship Application: If you’re facing financial hardship due to shared credit obligations, you may be eligible to apply for financial hardship assistance with your creditors. This could lead to temporary relief, such as reduced payments or deferred interest.
  • Seek Professional Mediation: If you’re unable to agree with the other party involved in the shared credit, you might consider professional mediation services to help resolve the issue amicably.

Legal Considerations and Remedies

  • Consumer Credit Laws: Familiarise yourself with Australian consumer credit laws, such as the National Consumer Credit Protection Act 2009 (NCCP Act) and the Australian Securities and Investments Commission (ASIC) regulations. These laws protect consumers and set out requirements for lenders and credit providers.
  • Credit Reporting Code of Conduct: Understand the Credit Reporting Code of Conduct, which governs credit reporting in Australia. It outlines the rights and responsibilities of both credit providers and consumers concerning credit reporting.
  • Credit Ombudsman Service: In case you believe you’ve been treated unfairly or have disputes with creditors, you can contact the Australian Financial Complaints Authority (AFCA) or the Credit and Investments Ombudsman (CIO). They can mediate and resolve disputes between consumers and credit providers.
  • Legal Advice: If you believe that your shared credit obligations have resulted in unfair or illegal practices, it’s advisable to seek legal advice from a qualified lawyer who specialises in consumer credit matters. They can assess your situation and guide potential legal remedies.
  • Debt Agreements and Bankruptcy: In extreme cases, you may need to consider debt agreements or bankruptcy as a last resort. These are legally binding arrangements that can provide relief from overwhelming debt, but they come with serious consequences and should be considered carefully.

Remember that shared credit obligations can have a significant impact on your financial health, so it’s essential to be proactive and seek professional advice if needed to protect your credit and overall financial well-being. Additionally, always refer to the most up-to-date Australian legal and financial resources when addressing shared credit issues.


Shared credit arrangements and co-signing for loans or credit cards can be both a financial lifeline and a potential source of complications. It’s imperative to recognise that co-signing entails shared legal and financial responsibilities, with both benefits and risks.

While shared credit can offer access to financing and a means to build credit, it also exposes co-signers to financial liability and credit score fluctuations, underscoring the importance of open communication and trust among the parties involved. Understanding how shared debt affects your credit rating is essential for responsible financial management. To mitigate potential negative impacts, we’ve outlined strategies for responsible management of shared credit obligations, including monitoring your credit, negotiating with creditors, seeking legal remedies, and considering financial counselling.

By adhering to these strategies and staying informed about Australian credit laws and regulations, individuals can navigate shared credit challenges with confidence and protect their financial well-being.

While we at Tippla will always do our best to provide you with the information you need to financially thrive, it’s important to note that we’re not debt counsellors, nor do we provide financial advice. Be sure to speak to your financial services professional before making any decisions.

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