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Expert Accounting and Tax Services in Mississauga
At Ast Accounting & Tax Services, we pride ourselves on being more than just service providerswe are strategic partners dedicated to your business's success. With decades of combined experience, our team of Mississauga-based accountants delivers personalized accounting and tax solutions tailored to businesses and individuals across Mississauga, Scarborough, and the Greater Toronto Area. Our focus on practical, results-driven strategies enables clients to maximize profits while minimizing tax liabilities.

We specialize in Canadian and U.S. tax planning, corporate accounting, and business setup services, ensuring clients benefit from our deep industry expertise and commitment to excellence. Our mission extends beyond numbers; we identify business weaknesses and create opportunities for growth, backed by a promise of top-tier customer service and actionable financial advice.
Services
Accounting Services Tax Services Business Setup Payroll Services US Tax Services
Highlights and features
  • We offer over 35 years of experience in Canadian and U.S. tax planning.
  • Our team provides personalized, down-to-earth accounting solutions.
  • Specialized expertise in minimizing tax liabilities for businesses and individuals.
  • We focus on identifying business weaknesses to maximize profitability.
  • Comprehensive support for corporate accounting, payroll, and business setup.
What people say
Exceptional advice Top notch experience Professional team Saved me lots of money Highly recommended
Services
Accounting Services
Our accounting services ensure accurate financial tracking, including accounts payable/receivable, bank reconciliations, and payroll management. We provide tailored solutions to maintain compliance, streamline operations, and support informed decision-making for businesses of all sizes.
Tax Services
We specialize in Canadian and U.S. tax preparation, offering strategic planning to minimize liabilities. Services include personal and corporate tax returns, audit support, and cross-border tax solutions, ensuring compliance while optimizing savings.
Business Setup
From sole proprietorships to corporations, we guide clients through business registration, incorporation, and compliance. Our expertise includes selecting legal structures, tax planning, and preparing necessary documentation for a seamless launch.
Payroll Services
Our payroll services handle tax deductions, T4 summaries, and statutory filings. We ensure accurate employee payments, compliance with CRA regulations, and timely remittances for GST, PST, EHT, and WSIB.
US Tax Services
We assist U.S. citizens and residents with tax filings, including Form 1135 for foreign income verification. Our team navigates complex U.S. tax laws to ensure compliance and optimize returns for individuals and businesses.
Questions
What accounting services do you offer?
We provide accounts payable/receivable management, bank reconciliations, payroll processing, and financial reporting tailored to your business needs.
Do you handle both Canadian and U.S. tax filings?
Yes, we specialize in Canadian and U.S. personal and corporate tax returns, including cross-border compliance and audit support.
How can you help minimize my tax liabilities?
We use strategic tax planning techniques, including deferral strategies and deductions optimization, to reduce taxable income legally and efficiently.
Can you assist with business registration?
Yes, we guide you through incorporation, business structure selection, and government account setup for a seamless startup process.
How do I book a consultation?
Contact us via phone or email to schedule a personalized consultation for tax or accounting services.