Our People

DMK Taxation & Business Solutions is owned and operated by Stephen Costley and employs qualified local residents. Our staff provide a personalised, professional service, travelling to various locations throughout Victoria, New South Wales and South Australia to meet face-to-face with their clients.

Stephen Costley

Stephen Costley

Principal, Senior Accountant & Registered Company Auditor (FCA, CPA)

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Stephen has many years’ experience in providing taxation, business development and valuation services. Stephen has been a principal and owner of Accoutning Practices since 1982 and his clients include medical practices, professional service firms, building and contracting industries, primary producers and viticulture industries and not for profit organisations.

Stephen has particular knowledge in:

  • Business and individual tax advice and compliance
  • Structuring for tax effectiveness and asset protection
  • Capital Gains Tax and Small Business CGT Concessions
  • Business Valuations and Business Due Diligence reviews
  • Business development and Strategy planning
  • Farm management & succession planning
  • Australian Wine Industry Management
  • Self-Managed Superannuation Funds

Stephen’s qualifications Include:

  • Fellow of the Institute of chartered Accountants in Australia & New Zealand (FCA)
  • Certified Practising Accountant (CPA)
  • Bachelor of Commerce – University of Western Australia
  • Registered Company Auditor
  • Diploma of Financial Planning
  • Affiliate of the Financial Planning Association


Daniel Crane

Daniel Crane

Senior Accountant & Business Manager (CPA)

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Daniel has been working for DMK Taxation & Business Solutions since May 2002. Prior to moving to Alexandra, Daniel grew up on a sheep and wheat farm in Murrayville, Victoria and has a strong affinity with the land and those who farm it. Daniel completed his Bachelor of Commerce degree at Flinders University, Adelaide SA and commenced his working career by working for two 2nd tier Accounting practices in Adelaide. Upon moving to Alexandra Daniel complete his CPA certification and more recently the CPA Public Practice program. Daniel has over 18 years experience in the Accounting Profession and has a keen interest in the Agricultural Industry and SME.


Annette Sutcliffe

Senior Accountant (CPA)

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Annette joined the DMK Taxation and Business Solutions staff under the previous ownership in 1998. Annette grew up locally in Narbethong and completed her VCE at Alexandra Secondary College. She is one of DMK’s Senior qualified accountants having completed a degree in Bachelor of Business (Accounting) from Swinburne University of Technology in Hawthorn and attaining her CPA qualification in 2004. Annette is very experienced and is extremely knowledgeable in all areas of taxation and accounting.


Dean Murdoch

Dean Murdoch

Senior Financial Adviser (Diploma of Financial Services – Financial Planning)

Authorised Representative of Count Financial Ltd

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Dean joined the DMK Financial Services Team in 2008. Dean has over 25 years of experience in the financial services industry. He had a 20 year career with the ANZ Bank, progressing through a variety of Managerial roles though focused on business banking and client relationships. Dean specialises in Self-Managed Superannuation Fund and Aged Care advice. The delivery of sound financial advice specific to each client and providing very high levels of customer service are qualities that Dean strongly believes in.


Erin Ware

Erin Ware

Junior Accountant (Certificate III in Financial Services – Accounts Clerical)

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Erin started working with DMK Taxation in 2003 as a Trainee. Erin has over 15 years of bookkeeping experience and is very well rounded in her knowledge of accounting and auditing procedures.


Sharynne Robb

Sharynne Robb

Office Manager

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Sharynne joined the DMK Taxation staff in October 2012. Sharynne brings with her a vast array of bookkeeping knowledge having worked over 30 years in the construction industry and 11 years in the Government Health Industry. Sharynne has a strong administrative and statistical background.


Max Church

Max Church


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Max is the most recently qualified of the DMK Taxation team completing his Bachelor of Business from La Trobe in September 2016. Max is currently studying for his CPA and is working with DMK Taxation to obtain the skills and knowledge required for his chosen profession.


Jess Robinson

Jess Robinson

Client Services Officer

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Jess joined the DMK team in August 2016 while completing her Masters in Environmental Management. She assists Dean Murdoch in financial planning and also spends some time bookkeeping. Jess has a Diploma in Financial Planning and is currently studying towards her Advanced Diploma of Financial Planning.


Fran Miljkovic

Fran Miljkovic


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Fran started at DMK in 2017, she has had varied roles within the business but is now concentrating on the bookkeeping side.

Fran has always had a passion for bookkeeping and is very keen to expand her knowledge of the bookkeeping & accounting profession. She has commenced her studies in Bookkeeping & Accounting, completing an Accounting Skills set and will be enrolling into the Diploma of Accounting.


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Jason Fishlock

Jason Fishlock


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Jason is currently undertaking a CPA program whilst working full time at DMK. He moved from Adelaide with his family in March 2018 to become a member of the DMK team. He has completed a Bachelor of Commerce from the University of South Australia.


Richard Thwaites

Richard Thwaites

Trainee Accountant

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Richard is the newest member of the DMK team. He has recently completed year 12 at Billanook College in 2019. Richard will be studying a double degree of Business and Accounting at Monash University for the next four years while completing a traineeship with DMK.


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