Our Team

Karen Watson Principal Solicitor

Karen Watson is our principal solicitor and born and bred in the Macarthur area.  Karen carried out her secondary education at Macarthur Anglican High School, completed a Bachelor of Social Science at University of Western Sydney and a Bachelor of Laws at University of New England.

Karen’s employment history includes seven years at the New South Wales Crime Commission before joining a well-known mid-size law firm in the Macarthur area.  This invaluable experience and knowledge has helped Karen grow to become a prominent and experienced lawyer.  In January 2014 Watson Law was born and has continued to grow significantly since that time.

Karen has experience in many areas of the law including:

  •  Commercial law and litigation;
  • Family law;
  • Property law and conveyancing;
  • Estate planning and Will disputes;
  • Criminal and traffic matters.


Karen Watson

Samantha Watson Solicitor

Samantha has completed a Bachelor of Laws at the University of New England and was admitted to the Supreme Court of New South Wales as a lawyer in August 2023. 

Samantha has been employed in the Legal industry since 2011 and has a wealth of knowledge in all areas of Law, including Criminal Law, Commercial Law, Estates, Conveyancing and Family Law. Samantha has the enviable talent of making clients feel at ease and confident that their legal matter is being well looked after. 

Samantha is a local to the area having lived in Macarthur all her life.

Samantha Watson

Heidi Mathison Senior Paralegal

Heidi is our senior paralegal who assists our solicitors in all areas of law. Heidi has a particular interest in Family Law and has assisted in Family Law matters in the Macarthur area since 1997, before joining Watson Law in 2021. Heidi is a first point of contact for our clients.

Heidi was born and raised in the Macarthur area and is now raising her two children with her husband in the area. Heidi enjoys spending time with her family.

Heidi Mathison

Sarah Nightingale Paralegal

Sarah is our paralegal and joined Watson Law in 2021. Sarah assists our solicitors in all areas of law but focuses on property law. Sarah is currently studying a Bachelor of Law & Human Resources and expects to finish her degrees in 2025. 

Sarah has grown up in Camden and now lives here with her husband, two boys and cavoodle. Outside of work Sarah loves to spend time with her family, read, and travel. 

Sarah Nightingale

Terrina Coughlan Accounts and office manager

Terrina is the accounts and office manager who oversees the general running of Watson Law. Terrina joined Watson Law in 2017 and has been a helpful part of our team. 

Terrina lives in the local area with her partner and two children. Terrina enjoys yoga, gardening, and cooking and has a reputation for being the mum of the office. 

Terrina Coughlan

Emily Szalajko Paralegal

Emily joined Watson Law as a paralegal in October 2023. Emily is a full-time student studying a Bachelor of Laws at the University of Wollongong. Outside of university and working at Watson Law, Emily works as a barista at a local cafe, loves to play netball, go to pilates and the gym. 

Emily Szalajko

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