3 Best Accounting Firms in Waterloo, ON

Expert-recommended Top 3 Accounting Firms in Waterloo, ON. All of our Accountants actually undergo a rigorous 50-Point Inspection, which includes everything from checking reviews, ratings, reputation, history, complaints, satisfaction, trust and price - all to ensure overall excellence. You deserve only the best!

Clarke Starke & Diegel LLP - Waterloo, ON Accounting Firms - Office Exterior Image
Clarke Starke & Diegel LLP - Waterloo, ON Accounting Firms - Company Logo
7+ YEARS ON TBR
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CLARKE STARKE & DIEGEL LLP

7 Union Street East,
Waterloo, ON N2J 1B5 Directions

Since 1961

Specialty:

✓Accounting and Bookkeeping ✓Assurance Services ✓Audits and Review Engagements ✓Tax Planning and Compliance ✓Business Advisory Services ✓Tax Planning and Optimization ✓Succession Planning

"Clarke Starke & Diegel LLP provides integrated tax and business planning advice and coaching on all aspects of your business financial management. Clarke Starke & Diegel LLP specializes in accounting for professional services, non-profit businesses, and family and owner-managed businesses. The accountants of the firm stay updated with changing tax laws and regulations. They provide excellent guidance and straightforward advice on your business, accounting, and tax matters. The team always responds to all of your inquiries in a timely and professional manner. They work closely with directors, finance and audit committees, and boards to fine-tune financial systems, improve internal controls, and provide you with the solutions and insight that you need. They also provide integrated tax planning and assist with succession planning, preserving your legacy for generations. Their comprehensive suite of accounting services is tailored to meet the diverse needs of businesses, offering a helping hand to startups, SMEs, and large corporations alike.

2026 Highlights: They provide personalized accounting services to meet the unique needs of clients' businesses."

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License #300778313

Contact:

(519) 579-5520

Mon-Fri: 8:30am - 5pm
Sat & Sun: Closed

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Jonathan Moraitis CPA and Associates - Waterloo, ON Accounting Firms - Company Logo
Jonathan Moraitis CPA and Associates - Waterloo, ON Accounting Firms - Project Discussion Image
Jonathan Moraitis CPA and Associates - Waterloo, ON Accounting Firms - Office Exterior Image
7+ YEARS ON TBR
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JONATHAN MORAITIS CPA AND ASSOCIATES

155 Frobisher Drive, F120,
Waterloo, ON N2V 2E1 Directions

Since 2008

Specialty:

✓Accounting Software Consultation ✓Future Sale Purposes ✓Cash Flow Projections ✓Payroll ✓Review ✓Bookkeeping ✓HST ✓Ownership ✓Personal and Corporate Tax Returns ✓WSIB ✓Financial Statements ✓Estate ✓Businesses ✓Audit

"Jonathan Moraitis CPA and Associates specializes in guiding organizations from small to medium-sized companies and start-ups. Jonathan Moraitis is the firm's accountant. Jonathan's staff are also professional and there to help you. The team of accountants processes the bookkeeping, freeing you to care for core business matters. Jonathan Moraitis, CPA and Associates, assesses your business's day-to-day operations with financial statements contributing to your control and decision-making. Whether you need a straightforward personal tax return, a complex set of corporate tax returns, financial statements required for bank financing, or you just need to make sense of all the numbers, they can effectively help you. They also help you plan for the future with cash flow projections.

2026 Highlights: They also prepare a review or audit report of clients' financial statements for financing or future sale purposes."

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License #2186023

Contact:

(519) 954-8333

Mon-Fri: 9am - 5pm
Sat & Sun: Closed

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Amsun Financial Services Inc. - Waterloo, ON Accounting Firms - Company Logo
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AMSUN FINANCIAL SERVICES INC.

632 Pelham Street,
Waterloo, ON N2K 0C1 Directions

Since 2012

Specialty:

✓Accounting ✓Corporate Tax Return ✓Payroll Services ✓Personal Taxes ✓Financial Statements ✓Bookkeeping Services ✓GST/HST Filings ✓Business Incorporation ✓Business Planning ✓Small Business Consultation

"Amsun Financial Services Inc. provides tailored bookkeeping, accounting, and tax solutions for individuals and small businesses. Their mission is to assist their clients in achieving their financial objectives through accurate, efficient, and cost-effective services. Their dedicated accountant offers expertise and exceptional customer service to help you reach your financial goals. With expertise and comprehensive knowledge in the field, they are equipped to handle all your financial needs with ease. They take the time to understand your unique circumstances, ensuring that their services are tailored to meet your specific requirements. They maximize your tax refund with their personalized planning and preparation services. At Amsun Financial Services, their focus is on building strong relationships with clients and providing exceptional customer service.

2026 Highlights: They offer a wide range of accounting services to individuals and small businesses."

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License #8356297

Contact:

(548) 288-6700

Mon-Fri: 9:30am - 5:30pm
Sat & Sun: Closed

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