Maximize Your Potential
With Top-Notch Tax &
Accounting Services
Our tax and audit services go beyond compliance. From personal to commercial and international tax needs, we've got you covered. Let our seasoned chartered accountants and expert tax advisors take care of your requirements with expertise and precision.
Elevate Your Business With
Top-Notch Consulting Services
From startups to large scale companies, ATA Professional Corporation offers tailored solutions to optimize operations, streamline finances, and drive growth. Our team of expert financial and business advisors will guide you to success with strategic insights. Let us grow together!
Accounting & Bookkeeping
Services For Businesses
& Individuals
Whether you are a business owner or an individual, trust ATA Professional Corporation to navigate your financial journey with expertise and personalized attention. Streamline your business with our top-notch accounting, bookkeeping, tax & payroll services. Navigate crucial turns with confidence!
About Us
What Our Customer Can Expect of Accounting, Tax & Audit
ATA Professional Corporation, under the leadership of Mr. Ibrar A. Khan, CPA, CA, is a distinguished Chartered Accountant firm dedicated to delivering exceptional tax, accounting, business consulting, and audit services. With a commitment to excellence, integrity, and client satisfaction, we provide value-added solutions tailored to meet the unique needs of each client.
Our experienced team of professionals brings extensive expertise and industry knowledge to every engagement, ensuring accuracy, efficiency, and strategic insight. At ATA Professional Corporation, we strive to exceed expectations, empower our clients with financial confidence, and build enduring partnerships based on trust, reliability, and results.
After gaining experience at prominent firms, Mr. Ibrar A. Khan transitioned to assisting small businesses, drawing upon his wealth of knowledge and expertise acquired from serving large enterprises. We understand the tax and business challenges faced by entrepreneurs and professionals.
Our specialty is tax compliance for Small Business and Individuals.
OUR FEATURES
Explore Our Services
Being a professional CPA firm, we know how hard it is for an entrepreneur to overcome tax and business challenges. ATA Professional Corporation offers unlimited support to small businesses and corporations, overcoming challenges and facilitating growth.
Accounting Firm Mississauga – Reliable Financial Support for Your Business Managing finances is a critical part of running any business, and having the right support can make a significant difference. At ATA Professional Corporation, we work with businesses and individuals in Mississauga to maintain accurate financial records, meet compliance requirements, and...
Corporate Tax Return Mississauga – Accurate Filing for Your Business Managing corporate taxes is a critical responsibility for every business operating in Mississauga. Filing correctly and on time is not just about compliance—it directly impacts your financial records, cash flow, and long-term planning. At ATA Professional Corporation, we assist businesses with...
Business Tax Return Mississauga – Accurate Filing for Your Business Filing your company’s taxes is more than just meeting a deadline—it directly affects your finances, compliance status, and future planning. At ATA Professional Corporation, we assist businesses in Mississauga with accurate and timely filings to help them stay compliant and organized....
Corporate Tax Accountant Mississauga Managing corporate taxes is vital for business success. Whether your company is small, mid-sized, or large, navigating Canada’s complex tax landscape requires precision, expertise, and planning. ATA Professional Corporation delivers reliable support for businesses seeking a Corporate tax accountant Mississauga trusts for efficient tax management. What a...
Every business, no matter how big or small, needs an accountant.
Every business, regardless of size and budget, requires a professional accountant to manage financial records, ensure compliance with tax laws, and provide strategic financial guidance.
PROJECT MANAGEMENT
Stay organized and connected
With us, experience streamlined project management and organizational excellence. Our meticulous approach ensures efficient coordination, effective communication, and timely delivery of projects. From planning to execution, we prioritize transparency, collaboration, and attention to detail, enabling you to achieve your project goals with precision and ease.
ATA Professional Corporation, led by seasoned accountants, business consultants, and tax professionals, allows you to focus on your business expansion while they take care of the rest.
TESTIMONIALS
What Our Clients Say
I’ve been working with them for years. Their tax planning strategies have helped me save a lot while staying compliant.
I’ve been working with them for years. Their tax planning strategies have helped me save a lot while staying compliant
Professional, responsive, and very knowledgeable. They simplified complex financial matters for me.
They made tax season incredibly easy for me. Everything was handled with precision and professionalism.
Their tax planning strategies have helped me save thousands over the years. I couldn’t ask for a better accounting partner
OUR BLOGS
Gift your business the attention it deserves with our personalized accounting services.
31 Jul 2026
How to Reduce Personal Tax Without Breaking Rules?
Smart Tax Planning Starts with Knowing Your Options Managing taxes is an important part of financial planning. Many people assume that lowering taxes means taking unnecessary risks, but that is far from...
31 Jul 2026
What Makes Payroll Service Essential for Growing Companies?
Why Growing Businesses Need Professional Payroll Support Growing a business comes with many responsibilities. Hiring employees, managing operations, increasing revenue, and keeping customers satisfied all demand attention every day. As the workforce...
23 Jun 2026
10 Business Consulting Tips for Sustainable Company Growth
Building a Stronger Future with Business Consulting in Mississauga Sustainable company growth requires more than sales or expansion. Strategic planning, financial discipline, operational efficiency, and adaptability are critical, especially given rising costs,...
23 Jun 2026
5 Common Bookkeeping Services Problems Small Businesses Face
The Bookkeeping Red Flags Small Businesses Often Miss A small bookkeeping mistake can quietly create a much larger business problem. Bookkeeping Services may become difficult to manage when receipts go missing, expenses...
09 Apr 2026
9 Critical Documents Needed to Complete a Business Tax Return
Why Accurate Documentation Matters for Your Business Tax Return Filing a business tax return can be complex, especially if your records are disorganized. In Mississauga, businesses of all sizes face strict tax...
09 Apr 2026
12 Things You Must Check Before Submitting a Corporate Tax Return
Avoid Costly Mistakes on Your Corporate Tax Return Filing a corporate tax return can be a complex process for businesses in Mississauga. A single error could lead to delays, penalties, or even...
