CompuBooks was founded in 1995 by Esther Friedberg Karp, MBA. Esther is an internationally-renowned trainer, writer, business consultant, and speaker with advanced certifications in both QuickBooks Desktop and QuickBooks Online. She has been named one of Insightful Accountant’s Top 10 QuickBooks ProAdvisors, with the title “Top International ProAdvisor.”

Based in Toronto, Canada, Esther has the unique distinction of holding ProAdvisor certifications in the United States, Canada, and the United Kingdom. She has authored materials and delivered educational and certification courses for Intuit in all those countries as well as Australia, where she conducted live QuickBooks Online training.  She has spoken at QuickBooks Connect, Intuit QuickBooks Accounting Virtual Conferences, Scaling New Heights, as well as many other events, and has written countless articles for Intuit Global.

Esther counts among her clients companies from around the world, as well as accounting professionals who seek her out on behalf of their own clients for her expertise in various countries’ editions of QuickBooks Desktop and Online, and for her talent in customizing QuickBooks usage for different industries.

Esther holds a BSc from the University of Toronto in Actuarial Science and Mathematics, and an MBA in Marketing in Finance from York University’s Schulich School of Business. 

For more information on customized technical writing for your business and your own staff, or to request a quote for your business, contact Esther by clicking here or by calling 416-410-0750.



markFriedberg_smMark Friedberg, P.Eng, MBA, joined CompuBooks in 2008 to serve the company’s expanding market.

Mark has serviced over 150 QuickBooks clients in dozens of industries through QuickBooks customization, setup, training, troubleshooting, and integrating third party software. These clients save paperwork and time and can now concentrate more on their actual businesses.

Mark came to CompuBooks with a diverse business and engineering background in the Information Technology and Oil & Gas industries. This background includes roles in engineering, finance, product development, marketing, process development as well as business controls and business planning.

Mark is an accomplished educator. In addition to being a part time Professor at Sir Sanford Fleming College, Mark has provided technology, product and installation training to hundreds of client staff members. He has also lectured to and led seminars for members of the Professional Engineers of Ontario.

Mark is a Professional Engineer in Ontario with an MBA in Finance and Economics. He is the past treasurer and vice-chair of the Willowdale-Thornhill chapter of the Professional Engineers of Ontario.

For more information, or to request a quote for your business, contact Mark by clicking here or by
calling 416-410-0755.