Lyndall Condon and Associates
Tel: 1300 657 935   Fax: 03 9787 0026

We are a small accounting firm which started in 2000.

Our client base consists largely of small businesses and Self managed Superannuation Funds.

We work with our clients on a person-to-person basis, and we believe that understanding the people behind the business is just as important as understanding the business. We aim to make the experience of dealing with us a pleasant one, maintaining the highest level of professionalism, ethical standards and knowledge.

We are unashamedly selective of the clients we accept, ensuring they share our values, and we are fully able to meet their needs.

Meet the Team

Lyndall Siegmann

Lyndall Siegmann founded this practice in April 2000, under her previous name (before getting married in 2011).  Lyndall has been in public practice since 1987, after initially training and working in the Tax Office since graduating. She became a CPA in 1985, then later attained her Public Practice certificate.  

Lyndall’s love of tax-related matters is no secret, even if it’s a bit weird. Working on Self Managed superannuation funds and rental property investments are other emerging passions for her.  

Lyndall is proud of her 2 grown sons, and she married her teenage sweetheart in 2011 after a gap of 30 something years. In her spare time she is a marriage celebrant, an avid reader, decorates cupcakes, loves a craft project and recently got her motorcycle licence so she can ride her scooter to work.

Lyndall Siegmann

Judy Bowes

Judy Bowes is Lyndall’s sister and joined the business in 2000. Initially Judy came to help out part-time with the administration. The hours increased and it was not long before she was working full-time running the office, making bookings, lodging tax returns and processing refunds.

Judy’s love of people and her willingness to help them has made her a favourite among clients. Her incredible patience is a real asset when dealing with the Tax Office on behalf of clients. In addition to her original duties Judy now helps clients with preparation of their BASs, manages the firm’s accounts and also fulfils her position of office manager. Judy has a daughter, a son and a step-daughter with her partner. Together they have 6 grandchildren, who all love spending time with their Gran. Judy has recently completed an extensive home renovation and now has more free time to enjoy going to see live music, photography, craft projects and snorkelling.

Judy Bowes


Diana joined us in 2012 and shares the reception duties with Judy and assists Lyndall with the processing. She is an accomplished MYOB bookkeeper and is studying tax law. Diana controls the incoming work. All work that comes in is logged in and the data is checked to ensure it is complete and accessible. Diana then monitors the flow of work in the office.

Diana lives locally with her husband  and their two teenage children. She enjoys spending weekend with the family, walking/coffee with friends, singing, cooking and the beach. Diana also helps her husband who is a professional photographer (he  took the fantastic photos for this website).



Mary is the queen of the files! She manages the filing and archiving of the paper files as well as scanning the workpapers for electronic storage. 

Mary keeps the office clean and tidy and stocks our fridge with healthy and delicious lunches.

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