T  (07) 3422 1333


1/69 Secam Street Mansfield Qld 4122  |  PO Box 2557 Mansfield BC Qld 4122

Business Systems & Small Business Accounting

Cascade Consulting Services Pty Ltd

T  (07) 3422 1333  |  M  040 999 2317  |  F  1800 982 407  |  E  ccs@cascadeconsulting.com.au

Gemma Heidemann| Accountant
Gemma joined Cascade in 2014.  She is an integral part of our accounting services division.  
Gemma's role includes:

  • Co-ordinates our work flow to ensure we meet all our deadlines; 
  • Supervising Bookkeeping & BAS preparation;
  • Preparation and review of financial statements for Small Businesses and Self-Managed Superannuation Funds.
  • Income tax returns
  • Significant Involvement with roll out, testing and documentation for Wise Owl Legal. 

She is currently studying with the Institute of Public Accountants towards additional professional accreditation.

Away from work Gemma, is very talented with crafts and sewing and is an active participant in pop culture events such as Supanova and ComicCon.  Gemma is an animal lover and enjoys her brood of reptiles.  She also enjoys volunteering for the RSPCA and other Animal welfare groups.

​Bachelor of Business (Accounting) QUT

Accreditations include: 
Wise Owl Legal Software;
Intuit Pro Advisor for QuickBooks online;
SMSF Trustee Education Program (CPA Australia)
Xero Certification 2015

​​Cassandra Russell | Trainee Accountant
Cassie is half way through her accounting degree and has joined Cascade to hone her craft.  Away from work, Cassie enjoys time with family and friends and travelling.   


Fellow Institute of Public Accountants
Intuit ProAdvisor
Associate Member of QLD Law Society
Reckon Accredited Partner
Australian Computer Society (Technologist)

Business Systems | Accounting | Taxation | Management  |  Financial Control

Karen McDonald  |Director and Visionary
B.Bus (Accy) FIPA AACS AFIAM Registered Tax Agent

Karen has a solid career in accounting and accounting software. 

With a wealth of experience across small businesses, manufacturing and government organisations, Karen is most passionate about accounting software and small business operations. The experience gained throughout her time in government roles adds to Karen's invaluable set of skills that allows her to help small businesses work quickly and efficiently through red tape.

Karen's career started in the accounting industry, with over 10 years experience employed in small business accounting and taxation firms.  From 1994 to 1997 she held a finance position at Griffith University. 1997 to 2004 saw Karen contracting to Government departments and Government agencies while building the client base for Cascade  as we know it today.

Karen's favourite past times include bush walking (especially when there is a waterfall to find), travelling and movies.

Accreditations include: 

  • Wise Owl Legal Software;
  • Intuit Pro Advisor for QuickBooks online;
  • Reckon Accredited Partner with accreditations in the full suite of ReckonAccounts products Reckon Point of Sale and ReckonOne;

From 1997 to 2009 Karen was a certified consultant for PC Law.  

About Us  

Cascade was founded and commenced operations in 1985 by Karen McDonald. The name Cascade Accounting Solutions was registered in 1997. Since 1999 we have been trading under the name of Cascade Consulting Services Pty Ltd when we incorporated.

Our director is a fully qualified accountant and CPA with extensive business systems experience. Therefore, we are able to provide all our business customers with reliable systems that tick all the right boxes for their accountants.

Cascade has connections to a complete range of industry specialists that allows us to offer clients a full range of business computing solutions and enables us to pass on low overheads as savings to all of our customers.

Click here to access our Blog


Bachelor of Business (Accounting) QUT
Post Graduate Study at Deakin University 
Tax Agent 
​Workplace Training Category IV​​

Accountants  |  Business Systems Specialists  |  Tax Agents  |  ACN  088 257 809  |  Registered Tax Agent 24675 623

Small enough to care...experienced enough to understand