P. 08 9295 6335


Firm history:

Pegasus Professional Accounting was founded in 2009 when L. Allen and Associates joined forces with the Northwest Accountancy Group. After moving from their previous office in Karratha, Pegasus Professional Accounting began operating from Mundaring in Western Australia under the management of Director Robyn Donnison. Since establishment, the firm has enjoyed significant growth and success due to its ability to retain clients and deliver consistently superior services. As Certified Practising Accountants you can be assured of an exceptional standard of service and commitment to our clients. We strive to achieve our vision, and to see both our business and those of our clients, develop and grow.


Why choose us?

Pegasus Professional Accounting give you peace of mind by looking after your financial and accounting operations. We also use our business advisory expertise to monitor your business, giving you proactive advice on how you can improve your bottom line and net worth.

When you join Pegasus Professional Accounting you can look forward to:

  • Friendly and personal service
  • Local service provider
  • A firm that knows your business
  • Contactability
  • Competitive fees

Our team

Robyn Donnison, CPA – Director
(B. Comm, CPA, Registered Tax Agent) 
Robyn merged her own practice with Northwest Accountancy in 2005 and has been a Director ever since. Robyn’s previous experience in private and public practice has made her a specialist in tax, accounting, tax planning, business structures and self-managed superannuation funds. Robyn is supported in the Mundaring office by a team of 5.

[email protected]


Jodi Porteous CPA – Director
(CPA, Registered Tax Agent) 

Jodi has worked for Northwest Accountancy in Karratha since 2002, and loves the lifestyle. She has 2 children, both who have been known to spend a bit of time in the office when they were babies. Jodi is a CPA and has been a director of Northwest Accountancy since 2002. She loves to help client with their MYOB and helping them improve their business. Jodi is involved in many community organisations. Jodi is supported in the Karratha office by a team of 7.

[email protected]