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All About Us

The Bookkeepers You Can Trust

My name is Anna Makrides and I am the proud owner of 
Books By Abacus.
I have an extensive background in accounting and economics and I am a Certified Professional Bookkeeper and active member of the IPBC. With deep values and beliefs  that a person should never stop learning, I continually take courses in order to advance my knowledge to better serve my clients. 
In my free time, I enjoy spending time with my family, close friends and my two chihuahuas.

Our Accounting Family

We’re Here To Help

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Roxana Oita

Bookkeeper

Roxana is an innovative and driven accounting bookkeeper with over 20 years of experience.

Roxana strives to learn new ways of doing things and takes on challenges that are sometimes out

of her comfort zone. She leads by example and is one that rolls up her sleeve to get the job done

by finding solutions to what keeps the CEO and other executive members up at night.


She has a BA in Mathematics. Roxana started in 2002 her own accounting and business solution firm (as a certified representative and

service provider) for the Winmentor accounting software https://portal.winmentor.ro/winmentor/en/ where she assisted companies by

providing not only basic accounting needs but helped entrepreneurs build their business plan

and scope.


Roxana was most recently acting CFO for Afine Inc after being a financial controller for Argo

Drywall Inc for over 10 years by managing employee payroll, alerting to any financial discrepancies, monitoring accounts payable and receivable and

successfully filling HST, WSIB and UNION reports on time. 


She lives in Mississauga with her husband and 2 daughters. She volunteers at Pakmen Volleyball

Club and enjoys hiking and watching her daughters playing volleyball

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Teresa Sansalone

Professional Bookkeeper

Teresa has a degree in Accounting & Finance from Seneca College. 

With many years experience in the bookkeeping field, while assisting with her father's business, she entered the world of construction industry as an Accounts Payable Clerk where she then got promoted to an Accounts Payable supervisor and worked in that position for 15+ years. While working in that position she realized that that position was not using her full potential and knowledge and that she would be able to help more people and business owners succeed by becoming a professional bookkeeper. 

Teresa has been proudly working as a professional bookkeeper for the 20+ years serving many industries, including but not limited to construction, daycares, restaurants, Dr. Offices and many more. 

Teresa is a wife to a loving husband and mother to 3 beautiful young ladies. When she is not doing bookkeeping, you will find her in her kitchen whipping up some delicious cookies and chocolate treats.

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Palma Campo

Administrative Professional

Palma has worked as an Administrative Professional for over 35 years.  She has broad and extensive experience in both a large, corporate environment and smaller, professional firms.  Palma held positions supporting executive management in Finance, Operations, Human Resources and General and she provides support, utilizing her organizational and communication skills, to allow for effective front-office administration.

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