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Business Details
50+ Years
experience
Your Trusted Legal Partner in Macarthur Since 1950
Caldwell Martin Cox is a leading law firm established in 1950, serving the Macarthur and Wollondilly regions with a reputation built on decades of legal expertise and community engagement. Our team of accredited specialists, including solicitors, licensed conveyancers, and paralegals, provides comprehensive legal solutions across family law, commercial law, property law, wills and estates, and litigation. We prioritize compassionate, client-focused service while maintaining a commitment to excellence, innovation, and ethical practice. With offices in Picton, Camden, Narellan, and Gregory Hills, we combine local knowledge with national legal standards to deliver tailored advice and practical outcomes.

Our firms philosophy centers on treating every matter with empathy, ensuring clients receive strategic guidance and robust representation, whether resolving disputes, navigating property transactions, or planning estates. We actively contribute to the community through free legal education sessions and local charity involvement, reinforcing our role as trusted advisors since 1950.
Services
Family Law Commercial Law Wills & Estates Property Conveyancing Criminal Law Mediation Services Estate Planning Litigation Employment Law Debt Recovery
Details
  • Year established: 1950
Highlights and features
  • We offer over 70 years of combined legal expertise across multiple practice areas.
  • Our team includes Law Society Accredited Specialists in Family Law and Advocacy.
  • We provide tailored legal strategies with a focus on community needs and local culture.
  • Our firm combines the expertise of solicitors and licensed conveyancers for holistic advice.
  • We prioritize transparent communication and cost-effective solutions for all clients.
Associations and certifications
  • Accredited Specialists in Family Law
  • Accredited Specialists in Advocacy
  • Accredited Specialists in Property Law
What people say
Exceptional service Compassionate approach Timely communication Local expertise Successful outcomes
Services
Family Law
Our Family Law team specializes in parenting arrangements, property settlements, divorce, and spousal maintenance. Led by Accredited Specialists, we prioritize amicable resolutions through mediation but provide strong courtroom representation when needed. Clients benefit from compassionate guidance during emotionally challenging times, with a focus on protecting childrens interests and achieving fair financial outcomes. Our services include wills and estate planning post-separation.
Commercial Law
We advise businesses on structuring, contracts, leasing, debt recovery, and dispute resolution. Our Accredited Specialists handle mergers, acquisitions, and insolvency matters, ensuring compliance with employment and trade laws. Clients receive practical solutions for commercial transactions and litigation, supported by a team with decades of experience in corporate governance and risk management.
Wills & Estates
Our Wills and Estates practice covers testamentary trusts, probate, and estate administration. Accredited specialists draft legally sound wills, powers of attorney, and guardianship appointments. We assist beneficiaries in navigating complex probate processes and resolving disputes, ensuring clients wishes are honored while minimizing family conflicts through clear, forward-thinking documentation.
Property Conveyancing
We provide fixed-fee residential and commercial conveyancing services, including contract reviews, settlements, and lease agreements. Our solicitors and licensed conveyancers ensure compliance with property laws, addressing title issues and tax implications. Clients benefit from streamlined transactions backed by decades of local market expertise and a commitment to transparency.
Criminal Law
Our Criminal Law team represents clients in traffic, drug, and criminal matters, including AVOs and debt recovery. Accredited specialists appear in local and district courts, offering strategic defense and plea negotiations. We emphasize clear communication and timely action to minimize penalties, with a focus on achieving dismissals or reduced charges where possible.
People
William (Bill) McGookin
Managing Partner
Bill has practiced law since 1985 and specializes in family law, conveyancing, and litigation. He is a Law Society Accredited Specialist in Family Law and chairs The Right Start Foundation, supporting children with Down Syndrome.
Jillaine Duve
Partner
Jillaine has 20 years of family law experience and is a registered Family Dispute Resolution Practitioner. She focuses on mediation and litigation, advocating for clients interests while minimizing court involvement through negotiated settlements.
Geoff Lloyd
Special Counsel
Geoff is an Accredited Specialist in Advocacy with 40 years of litigation experience. He specializes in commercial disputes, personal injury, and criminal law, offering strategic courtroom representation and mediation services.
Julie Burton
Special Counsel
Julie leads the Wills and Estates team, combining expertise in estate planning with industrial law. A former Crown Solicitor, she provides probate guidance and dispute resolution, emphasizing client education and community engagement.
Bradley Smith
Senior Associate Solicitor
Bradley specializes in property law and conveyancing, with prior experience in business sales and leasing. He returned to the Macarthur region to serve local clients, focusing on residential and commercial transactions.
Questions
What areas of law does Caldwell Martin Cox specialize in?
We specialize in family law, commercial law, property conveyancing, wills and estates, criminal law, and mediation services across Macarthur and Wollondilly.
Do you offer services outside Macarthur?
While based in Macarthur, we handle cases across New South Wales, including Sydney, Wollongong, and regional areas through our four office locations.
Are your conveyancing fees fixed?
Yes, we offer fixed-fee conveyancing with transparent pricing, though additional costs may apply for complex transactions or unforeseen legal issues.
Can you assist with urgent legal matters?
We prioritize timely responses but do not provide 24/7 emergency services. Contact us during business hours for urgent matters requiring immediate attention.
How do you handle estate disputes?
Our Accredited Specialists use mediation to resolve conflicts amicably but provide robust courtroom representation to protect clients’ interests in contested estates.