GLC Legal

Your trusted legal team

Providing over 25 years of legal support to families and business across Sydney.

  • 25 years of experience
  • Client Centric Approach
  • Specialising in Property, Estate Planning and Family Law

About Us

Located in the vibrant Norwest Business Park, GLC Legal is your go-to partner committed to delivering exceptional legal services across a range of specialties. Our expertise spans property law, property development, commercial leasing, estate planning, family law, and notary public services. With a focus on personalised attention and strategic solutions, we guide our clients through complex legal matters with clarity and efficiency. Our team’s deep knowledge and hands-on experience ensure that whether you're navigating complex property development arrangements, considering your estate planning, managing family legal issues, or requiring notarial services, your needs are met with professionalism and dedication.

At GLC Legal, we pride ourselves on our client-centric approach, tailoring our services to fit your unique circumstances. From comprehensive estate planning to adept handling of property development matters, our goal is to provide clear, actionable advice and effective solutions. Trust GLC Legal to be your reliable partner in achieving your legal objectives and securing your future.

Before founding GLC Legal in July 2020, Geoff Castellan founded and was a partner at Ritchie & Castellan for 16 years. He was also a partner at a major Parramatta law firm, leading their Planning and Environmental Law Division. In 2024, GLC Legal acquired the practice of Peter Cornock & Associates.

Our team

Your trusted team with over 25 years of experience in handling your legal matters.

Geoff Castellan - Principal

Since the mid 1990s, Geoff has been a trusted advisor in property development, planning, and environmental law. With extensive experience in litigation for both local government and private clients, he is well-versed in all Land and Environment Court jurisdictions.

Geoff’s expertise spans complex property transactions, environmental and local government litigation, and commercial leasing. Known for his ability to pinpoint critical issues and prepare thoroughly, he often finds resolution without litigation. Additionally, Geoff provides advice on estate planning, including wills, testamentary trusts, and estate disputes. Geoff was appointed as a Public Notary by the Supreme Court of New South Wales in 2005.

Contact Geoff: geoff@glclegal.com.au

Kelli Longmire – Licensed Conveyancer/Paralegal

Kelli is a highly experienced Licensed Conveyancer, specialising in residential and commercial property transactions, including sales, purchases, development sales, and leasing. After completing the Macquarie University Law and Practice course, she obtained her Conveyancing Licence in 2009. Following a decade of working with various practice leaders in mid-tier Sydney CBD law firms, Kelli commenced working with Geoff Castellan in 2012, bringing a wealth of knowledge. She is committed to delivering exceptional service, ensuring smooth property transactions, and fostering approachable, responsive relationships with clients and industry professionals.

Contact Kelli: kelli@glclegal.com.au

Jo Cunningham - Paralegal

Extensive experience in residential and commercial conveyancing, family law, criminal law and wills and estates having worked in the industry for 36 years. Jo provides clear guidance to clients, providing support and understanding every step of the matter. Jo’s commitment and log-standing experience ensures your legal needs are handled with discretion, precision and care to deliver a tailored solution with outstanding service in all matters.

Contact Jo: jo@glclegal.com.au

Ashley Oakes – Licensed Conveyancer/Paralegal

A licensed conveyancer and experienced paralegal, offering valuable support across a range of legal matters, including property transactions, family law disputes, probate, and estate planning. Specialising in the intricacies of conveyancing, Ashley assists clients in navigating property purchases and sales with clarity and care. Her experience also extends to complex family law disputes, where she helps clients manage divorce, property settlements, and child arrangements, providing strategic guidance and practical solutions while ensuring a high level of service throughout.

Contact Ashley: ashley@glclegal.com.au

Our Services

Property Development
At GLC Legal, we offer expert property development advice to navigate the complexities of planning, executing, and acquiring sites for your development projects. Our services encompass reviewing and negotiating option agreements, managing the legal aspects of property transactions, and guiding you through regulatory requirements. With a thorough understanding of local and state regulations, our team provides strategic insights to help you mitigate risks and optimise project outcomes. Whether you’re acquiring new sites, developing residential, commercial, or mixed-use properties, we are dedicated to delivering tailored solutions that support your development goals and ensure compliance throughout every stage of the process.
Property Law Services
GLC Legal provide comprehensive property law services designed to assist you with all aspects of buying, selling, and managing property. Our expertise covers contract reviews, searches, negotiating property transactions, and resolving any legal issues that may arise. Whether you're purchasing or selling residential or commercial property or transferring ownership, our team ensures that every detail is handled efficiently and with the utmost professionalism. We’re committed to delivering tailored legal advice that safeguards your interests and ensures a smooth, successful transaction every time.
Commercial Leasing
Our commercial leasing services are tailored to address the diverse needs of landlords and tenants alike. We offer comprehensive legal support in drafting, negotiating, and reviewing commercial lease agreements to ensure they align with your business goals and protect your interests. Our team is adept at managing the complexities of lease terms, renewals, and disputes, providing clear, strategic advice to facilitate smooth and successful leasing arrangements. Whether you're entering a new lease or dealing with ongoing leasing issues, we are committed to delivering practical solutions and effective representation to meet your commercial property needs.
Estate Planning
The estate planning services provided by GLC Legal are designed to help you secure your legacy and ensure that your wishes are carried out with precision and care. We offer tailored advice on creating wills, establishing trusts, and managing complex estate matters to protect your assets and provide for your loved ones. In addition, we adeptly handle family provision claims, both pursuing claims to ensure fair entitlements and defending against challenges to estates. Our experienced team is committed to understanding your unique circumstances and crafting a comprehensive estate plan that addresses your goals while minimising potential conflicts. From straightforward wills and intricate testamentary trusts to navigating family provision claims and defending against estate disputes, we are here to guide you through every step of the estate planning process, ensuring peace of mind for you and your family.
Family Law
Our family law services are designed to provide compassionate and effective support during challenging times. We understand that family law matters, including divorce, child custody, and property settlements, can be deeply personal and complex. Our experienced team offers personalised guidance to navigate these issues with sensitivity and expertise. We are committed to achieving fair and practical solutions while minimising stress and conflict. Whether you're dealing with a straightforward family dispute or a more complex legal situation, our focus is on protecting your interests and helping you move forward with confidence.
Notarial Services
Our public notary services offer reliable and efficient solutions for a range of legal documentation needs. As a trusted notary public, Geoff Castellan provides certification of documents, including affidavits, statutory declarations, identity documentation and international agreements, ensuring their legal validity both locally and abroad. We also assist with seeking apostilles and authentication from the Department of Foreign Affairs and deal with consulates and embassies to facilitate international document requirements. Our experienced team is dedicated to delivering precise and timely notarial services with a focus on professionalism and convenience.

Contact Us

Castellan Investments Pty Ltd trading as GLC Legal
ABN: 91 105 166 998
Ph: +61 2 8069 8950
Email: geoff@glclegal.com.au

Address:
Macarthur Point
Suite 1.11, 25 Solent Cct
NORWEST NSW 2153

Postal address:
PO Box 6601
NORWEST NSW 2153
Office Hours:
Monday: 9:00am – 5:00pm
Tuesday: 9:00am – 5:00pm
Wednesday: 9:00am – 5:00pm
Thursday: 9:00am – 5:00pm
Friday: 9:00am – 5:00pm
Saturday: Closed
Sunday: Closed

Please note we are closed on all public holidays.

Liability limited by a scheme approved under Professional Standards Legislation.