Work with the Best Divorce Lawyers in Sydney


Put your divorce behind you and start living your new life with help from the best divorce lawyers in Sydney, O’Sullivan Legal.

At O’Sullivan, our team of experienced Sydney divorce lawyers have helped thousands of people just like you achieve favourable outcomes in and out of court. From the divorce process to property division, child custody, mediation, and more, we have you covered on all fronts.

Don’t just take our word for it – read our testimonials from clients we’ve helped get through complex family law matters that they didn’t see a way out from.

We understand that divorce is a difficult and emotional process, but with our expertise and support, we’ll help you navigate through it with ease. Don’t settle for less than the best when it comes to your future. Contact us today, and let’s discuss how we can resolve your situation.

Why O’Sullivan Legal?

Strong Legal Representation

When you work with O’Sullivan Legal, you’re working with one of Sydney’s best family law firms. Our divorce lawyers in Sydney will represent you in all matters related to your separation and any disputes that arise. We’ll give you the support you need when it matters most.

A Wealth of Legal Experience & Expertise

With decades of experience under their belts, our family law specialists have seen it all. While every family law matter is unique, our solicitors know how to spot patterns and predict the best outcome to satisfy all parties involved. This allows us to immediately take action and resolve your issue in the most timely and efficient manner.

The Best Interests of the Child First

Children are always the worst affected by divorce. At O’Sullivan, we adopt and uphold a strong ethical focus on the predominant needs of children when it comes to issues like child support and parenting arrangements. We always put the child’s best interests first, and we are adept at communicating this with your spouse and their counsel so you can arrive at an equitable arrangement without needing to go to court.

Meet Our Sydney Divorce Lawyers

Ben O’Sullivan Lawyer


Tom O’Sullivan Lawyer

Special Counsel and Mediator

Anita Petrovic Lawyer


Emma Youdale


Michelle Chidiac


Victoria Principe


Shaun Chua

Legal Assistant

The O’Sullivan family law team are all experienced and passionate about their work. Our family lawyers are dedicated to promptly resolving your family law matter without subjecting you to undue stress or worry.

Whether you need help negotiating issues like child support with your spouse or need someone to represent you in a family court hearing, the O’Sullivan team has you covered.

Learn more about our specialist family lawyers, Ben O’Sullivan and Tom O’Sullivan, or head to our team page to learn about the rest of our firm.

Our Areas of Specialisation

O’Sullivan’s Sydney divorce lawyers specialise in all key areas relating to family law matters. Our solicitors can help you understand the divorce process, represent you in negotiations with your spouse’s solicitor, or even take the matter all the way to court and argue with a judge on your behalf.
Whatever the nature of your issue, our divorce lawyers in Sydney are here for you. Learn more about our specialist family law services:

Child Support & Parenting Arrangements

At O’Sullivan, we know that disputes relating to children are the most emotionally difficult for our family law clients. Our Sydney family lawyers understand the delicate complexity of these issues and the high emotional stakes for both parties. They will work with you to identify and secure the best possible arrangement for your kids.

Property Settlement & Spousal Maintenance (Alimony)

When it comes to property settlement, our Sydney divorce lawyers are adept at identifying and outlining all of your legal entitlements so you can arrive at a fair and reasonable agreement with your spouse. If we determine you are entitled, our family lawyers can also help you make an application for spousal maintenance to the Family Court of Australia or the Federal Circuit Court of Australia.

Divorce Mediation

Our family law firm has solicitors like Tom O’Sullivan, who is a Nationally-Accredited Mediator (NMAS), to deliver advanced divorce mediation services. We are highly experienced with getting successful outcomes from the mediation process without forcing any parties involved to take the matter to court, where it would be much more time-consuming and expensive to resolve.
The team at O’Sullivan will do everything possible to help you resolve any issues with your spouse outside of the courtroom. Not only are these arrangements cheaper and less stressful for everyone involved, but they are also less likely to be disputed in the future, as both sides can have their say over the outcome and not have a decision mandated by court orders.

Why You Need a Sydney Divorce Lawyer on Your Side

Family law is a necessarily complex field due to the large impact decisions can make on people’s lives (especially young children). It’s safe to say this is not an area of the law where you should settle for just any legal representative – you need a specialist family lawyer who understands the issues and can help you achieve a desirable result.

Whether you are trying to file a divorce application, need help identifying whether or not you are in a de facto relationship, or want to fight for full custody of your children, our divorce lawyers in Sydney are punctual, reliable, and dedicated advocates for your rights.

Give our team a call or contact us online to set up an initial consultation so we can discuss your needs and expectations.

Sydney Divorce Lawyer FAQs

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Am I eligible for divorce?
To be eligible for a divorce in NSW, your marriage must have broken down irretrievably (meaning there is no chance of you and your spouse working things out). You must also prove to the court you have been living separately for at least 12 months, although there are circumstances where you can be considered separated while still living together.

If you are unsure whether you can file for a divorce, speak to our team. Our friendly divorce solicitors can quickly help you determine if you satisfy the requirements to file a divorce and assist you through the process.

Learn more about when you can apply for a divorce from LawAccess NSW.

Will I need to go to court?
Whether or not you will need to court depends on the status of your divorce and the nature of your family law dispute. For example, if you are signing a joint separation (both parties agree to the divorce), then this can be done online without needing to attend court. However, if you have a dispute over child custody and can’t come to a private arrangement, you will have to take the matter to court for a judge to arbitrate.

Rest assured that if you need to go to court, our solicitors will ensure you are fully prepared.

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What is a "no-fault" divorce?
“No-fault” divorce is a clause in the 1975 Family Law Act that states that the court does not consider the actions of one party in contributing to the breakdown of the marriage. For example, if your spouse cheated on you, this fact would not be relevant in any legal decisions.

No-fault divorce was introduced to make divorce proceedings less hostile and encourage parties to engage in alternative dispute resolution and mediation. This has led to better results, as the focus is on finding the best path forward following separation and divorce, rather than fixating on placing blame or punishing the other party.

How much does a divorce cost in NSW?
The cost of a divorce in NSW can be as much as $100,000 or more when fighting it out in court. To avoid such high costs, it’s best to go with a local divorce lawyer in Sydney who prioritises out-of-court settlements and is adept at negotiating with other solicitors.

The O’Sullivan team is ready to help you solve your dispute in a timely manner, so you never pay more than necessary to finalise your separation and move forward with your life.

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What documents do I need to get a divorce?
There are various supporting documents you will need to apply for a divorce, the chief of which is your marriage certificate which proves you are legally married. Other documents you may require include proof of citizenship, visa documents, or a change of name certificate. These documents are all relevant to ascertaining the legal status of your marriage, as some things, like getting married overseas, will need clarification.

Get in touch to discuss what legal documents you will need for your divorce application.

We make things easy, efficient and worry-free.
Talk to us today.

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