CRA-compliant corporate, personal, and estate tax filing. Over 9 years of experience. Personalized service from Stefania Belcastro, CPA.
From corporate T2 filings to personal T1 returns, Accounting SB provides clear, compliant, and personalized tax solutions. No jargon, no surprises—just expert guidance tailored to your situation.
Complete preparation and filing of corporate income tax returns, GST/HST reporting, and year-end compliance. Accurate, on-time, CRA-ready.
Stress-free personal tax preparation for employees, contractors, and self-employed professionals. Maximize your refunds, minimize your stress.
Specialized filing for estates, trusts, and succession planning. Navigate complex CRA requirements with confidence.
Stay compliant with Canadian tax regulations. We monitor changes, manage deadlines, and keep your records audit-ready.
Expert guidance on complex tax matters, business decisions, and financial planning. Start with a free 30-minute consultation.
Professional representation if the CRA contacts you. We handle correspondence, document preparation, and resolution—so you don't have to face it alone.

Accounting SB was founded by Stefania Belcastro, CPA, to provide personalized, CRA-compliant tax solutions for Alberta businesses and individuals. We understand that every client—whether a Calgary startup, a Lethbridge contractor, or an Edmonton family—is unique. That's why we take a tailored approach to every engagement.
With over 9 years of specializing in Canadian taxation, we ensure your business and personal tax matters remain compliant with all CRA regulations while maximizing tax efficiency and financial performance. Our comprehensive services are designed to give you peace of mind and confidence in your financial future.
Real reviews from real clients across Alberta.
5.0 · 12 reviews on Google
Corporate Client
"We recently engaged Stefania and ALW to prepare our corporate year-end and tax filing. After having been through several other accounting firms, we've been very impressed with the quality of ALW's work, the professionalism, the proactive communication, and the transparent pricing. We are thrilled to have finally found a partner for the long-term!"
Corporate Client
"We've been working with Stefania and ALW Partners for the past three years, and the experience has been consistently excellent. They've handled our corporate tax needs with precision, professionalism, and a deep understanding of ever-changing tax regulations. If you're looking for a knowledgeable and trustworthy partner for corporate tax services, I highly recommend reaching out to Stefania."
Personal & Business Client
"Stefania has been my accountant for the past five years, and every single year she makes filing both my personal and business taxes completely effortless. Her ability to consistently maximize my return while keeping everything organized and stress-free is unmatched. Stefania's professionalism, attention to detail, and clear communication set her apart. I highly recommend her to anyone looking for expert tax services done right with the best possible outcome."
Personal & Business Client
"Stefania has been excellent to work with and truly amazing to deal with, helping me close out my business account. I have been a client with ALW for both business and personal needs for approximately 10 years. I will continue with them for my personal needs. Highly recommend them!"
Personal & Business Client
"Stefania is our accountant for our personal and professional accounts. She is very knowledgeable and efficient. She always makes time for us and keeps our accounts very organized. I would highly recommend her as an accountant."
Ready to optimize your taxes? Contact us today for a free consultation and discover how we can help you stay CRA-compliant and maximize your savings.
Calgary, Alberta
403-230-2454
acctsb00@gmail.com
Monday - Friday: 9:00 AM - 5:00 PM