Our Team

We take a slightly different view to most other firms when it comes to the ‘TEAM’.


You see, our view is simple: the TEAM comprises of US AND YOU, not just us.

That’s why we work so hard to build a solid relationship with you and all our other clients. It’s what helps set us apart from all other accounting firms and online accountants.

In fact the TEAM ETHOS we work to is the key ingredient in forging a successful relationship with you. Having said that, let us introduce ourselves to you. Here’s a brief introduction to the partners.

Senior Partner

Mark Trimmer

Mark was born in Canterbury Bankstown and completed his schooling in Croydon Park, Ermington West, and Macquarie Boys high school. From 1983 – 1992 Mark trained as a Plumber and successfully gained his licence to provide services as a Plumber, Drainer, Roofer, Gasfitter and LP Gasfitter.

Late in 1991 Mark came to the realisation that Plumbing was not his long-term vocation. An opportunity to join an accounting firm was offered and Mark gladly accepted the challenge.

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The opportunity brought about a tree change to the country town of Condobolin. With intense interest and support from two very dependable accounting mentors who provided guidance and clear career direction, Mark completed his registration in 1996.

In 1997 Mark recognised opening his own practice would allow him the opportunity to better serve the needs of his local community, thus M D Trimmer and Co was born.

April 1998 Mark branched out and opened his part time Practice in Parkes, allowing him to continue to grow whilst still servicing his clients in Condobolin 3 days p/w, Lake Cargelligo 1 day p/w and Parkes 1 day p/w.

June 2000, with the introduction of GST, Parkes was now requiring 3 days per week, thus 41 Currajong Street was purchased, to allow Mark to provide 3 days p/w to Parkes clients.

In 2003 due to rapid growth in Parkes, Mark, his Wife Gwen and four children relocated to Parkes.

Continuing to grow the business required additional space so 30-32 Clarke Street Parkes was purchased, which remains the practice premises today.

Mark continuously attends training days and seminars to ensure his knowledge is kept up to date. His experience spanning over 29 years within the accounting field ensures you will get the best knowledge and experience available.

Office Manager

Nikki Bevan

Nikki was born in Sydney, moving to Parkes at an early age with her family. Nikki has completed most of her primary and all her secondary education in Parkes, married a local boy and raised their two children. Having spent almost 40 years in Parkes, Nikki has a great understanding of the local community.

Nikki brings with her experience in Management, Human Resources, Finance, Recruitment, WHS, Procurement, Contracts and Advanced Administration. Her knowledge has been gained from her previous experience within several industries including Healthcare, Mining, Agriculture and Wholesale.

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Nikki has successfully completed many qualifications throughout her work history including Cert IV Small Business Management, Cert III Transport and Distribution, Cert II Accounting and Certificates in Bookkeeping and Financial skills, Public Procurement and Advanced Excel.

Nikki is currently Studying a Bachelor of Accounting through CSU Bathurst via Distance education.


Hazel Medina

Hazel has completed Bachelor of Science in Accountancy (University of Luzon) and Master in Business Administration (Philippine Christian University).

Hazel brings with her experience in Finance and Bookkeeping, having performed Accounting and Bookkeeper roles for the past 5 years.

Hazel currently provides valuable bookkeeping services and is a Xero certified user.

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