Kirstie Colls
Kirstie Colls is an experienced Accredited Family Law Specialist dedicated to helping clients achieve practical, fair, and sustainable solutions in all aspects of family law. She understands that every client’s situation is unique and tailors her approach to suit each client’s needs, whether through mediation, negotiation, or litigation.
Kirstie’s practice encompasses all facets of family and de facto relationship law and she is particularly skilled in high-conflict parenting matters and complex property settlements involving global assets.
With over 23 years of dedicated experience, Kirstie has been consistently acknowledged in Doyle’s Guide as a Leading Parenting & Children’s Lawyer and also featured in the Best Lawyers list. With a reputation for her empathetic approach and clear, strategic advice, Kirstie is committed to reducing stress for clients during what can be one of the most challenging times in their lives.
Kirstie is a founding Director of Tosh Colls Family Law, a Nationally Accredited Mediator and a Collaborative Law Practitioner. She also is a Director of Pacifica Congress, a multidisciplinary organisation that brings together family law professionals across the Pacific region, including countries such as Singapore and Hong Kong with the goal of improving family law for children and families. She continues to volunteer with Women’s Legal Service.
Kirstie is a strong advocate for her clients and is passionate about ensuring that they understand their options and feel empowered to make informed decisions. Her unwavering dedication to her clients, her profession, and her community continues to make a significant impact in the field of family law.
Kirstie loves to travel and has enjoyed many an adventure, meeting new friends and diving into new cuisines in many countries all around the globe. She also loves all things dance and theatre and has been known to grace a stage or two in her past; is an amateur green thumb and loves good food, good gin and talking nonsense with friends and family. She lives with her two cheeky Cocker Spaniels who constantly make her laugh and is otherwise a proud aunt to 4 nephews and 2 nieces.

Qualifications & Accreditations
Mediator
Accredited Collaborative Practitioner
Accredited Family Law Specialist (Queensland Law Society)
Graduate Diploma in Legal Practice (Law Society of South Australia)
Bachelor of Laws with Honours (Adelaide University)
Bachelor of Arts (Flinders University of South Australia)

Awards & Industry Recognitions
2026 QLS Excellence in Law Awards Agnes McWhinney Award (Nominee)
2025 QLS Outstanding Accredited Specialist Award (Nominated Finalist)
Doyle’s Guide – Recognised as Leading Parenting & Children’s Lawyer (Brisbane) 2018-2026
Best LawyersTM – Recognised as a Best Lawyer (Brisbane) 2019-2025

Community Outreach & Engagement
Pacifica Congress Limited – Board Member & Treasurer since 2017
Women’s Legal Service Queensland – Volunteer Solicitor since 2007
Roma Mitchell Community Legal Centre, Adelaide – Former Volunteer

Admissions & Professional Memberships
High Court of Australia (Admitted Solicitor)
Supreme Court of Queensland (Admitted Solicitor)
Supreme Court of South Australia (Admitted Solicitor)
Queensland Law Society (Member)
Family Law Practitioners Association of Queensland (Member)
Family Law Section, Law Council of Australia (Member)
Pacifica Congress (Member)
Australian Association of Collaborative Professionals (Member)
Queensland Association of Collaborative Practitioners (Member)





