- 20 Dineen Court Kitchener ON N2B3X3
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CGS Accounting and Bookkeeping Inc helps individuals, self-employed professionals, and businesses manage taxes, bookkeeping, payroll, and CRA matters with accuracy and care.
Simple and reliable tax filing help for individuals, self-employed clients, and small businesses.
Clear bookkeeping, payroll, and financial record support to keep your business organized.
Professional assistance with GST/HST filings, CRA reviews, appeals, and tax-related concerns.
Smart Accounting Plans for Tax & Business SupportTax & Business Support
Choose reliable accounting, bookkeeping, and tax services designed for individuals, self-employed professionals, and growing businesses.
CGS Accounting and Bookkeeping Inc offers simple, reliable, and professional tax and accounting services for individuals, self-employed clients, and businesses.

We help individuals file accurate yearly tax returns and claim eligible credits properly.

We manage employee payroll, deductions, pay records, and payroll filing needs.

Professional T2 tax filing support for corporations and small business owners.

Accurate GST/HST calculation and filing support for registered businesses.

Organized income, expense, invoice, and record management for your business.

We help respond to CRA reviews, document requests, tax issues, and appeals.
Our team provides clear, reliable, and professional support for tax filing, bookkeeping, payroll, GST/HST, and CRA-related matters.
With more than six years of experience in Canadian taxation and accounting, Ganapathi Challa has helped hundreds of individuals, entrepreneurs, and corporations manage their financial affairs efficiently and confidently.
Ganapathi combines technical expertise with a client-first approach, ensuring every client receives practical advice, accurate reporting, and personalized support.
Whether you're an individual taxpayer, a growing business, or an incorporated company, his mission is to provide trusted accounting solutions that help you achieve financial peace of mind.
"Your Success Is Our Priority. Accurate Accounting. Reliable Advice. Exceptional Service"
Real feedback from clients who trust CGS Accounting and Bookkeeping Inc for tax filing, bookkeeping, payroll, and CRA support.
Small Business Owner
CGS Accounting and Tax Consultant has been a great help for my retail business. A special shout-out to Subramanyam, who handled my filings with extreme professionalism. He is patient, responsive, and always ready to answer my many questions about HST and payroll. It’s rare to find an accountant who is this dedicated to their clients' success. Highly recommended
Small Business Owner
Great service! Very professional, responsive, and knowledgeable about Canadian taxes. The whole filing process was easy and completely hassle-free. Special thanks to Subramaniam Challa — he is always available, extremely prompt, and very helpful throughout the process.
Small Business Owner
I had a great experience with CGS Accounting for my Canadian tax returns. Mr. Subramanyam was professional, thorough, and easy to work with, ensuring everything was handled smoothly and accurately. He took the time to understand my situation and what stood out was his clear communication and prompt responses. I highly recommend his services for anyone seeking reliable accounting support!


Explore how CGS Accounting and Bookkeeping Inc supports individuals, self-employed professionals, and businesses with reliable tax, bookkeeping, payroll, and CRA solutions.

We helped a small business organize records, complete GST/HST filing, and prepare accurate year-end taxes.

We supported a growing company with clean bookkeeping, payroll tracking, and proper financial record management.

We helped a client respond to CRA document requests with clear records, proper filing support, and timely communication.
Our vision is to make tax filing, bookkeeping, and business accounting simple, accurate, and stress-free for every client we serve.
We provide professional tax filing support for individuals, self-employed clients, and corporations with clear guidance and accurate preparation.
We help business owners understand their tax needs, manage records, plan filings, and stay organized throughout the year.
From bookkeeping and payroll to GST/HST filing and CRA support, our team helps keep your finances clear and compliant.
Not sure which tax or accounting service you need? CGS Accounting and Bookkeeping Inc can guide you with clear advice for tax filing, bookkeeping, payroll, GST/HST, and CRA support.