PERSONAL TAXES
T1 returns, credits and support with CRA correspondence.
Enquire about this serviceAccounting, taxes and practical business support — for individuals, self-employed professionals and corporations.
Based in Toronto. Supporting your next step.

WHAT WE DO
From your first registration to day-to-day records and annual tax filing.
T1 returns, credits and support with CRA correspondence.
Enquire about this serviceBookkeeping, T2125 and corporate T2 tax returns.
Enquire about this servicePayroll processing, T4, ROE and remittances.
Enquire about this serviceAccount registration, returns and reporting support.
Enquire about this serviceRegistration, reporting and account support.
Enquire about this serviceWe help register sole proprietorships and corporations, and set up relevant business accounts.
Enquire about this service2025 PRICES EXTENDED TO 2026
Same prices. Continued support. Our 2025 service prices remain unchanged in 2026. Prices in CAD; applicable taxes are additional.
Seniors with basic CPP/OAS income only; students with low income and a T2202.
Up to 10 tax slips.
Basic personal tax returns for a couple.
ADDITIONAL SERVICES
Preparation of T2125 and expense review. Provide totals for each expense category; bookkeeping is charged separately when needed.
ADDITIONAL SERVICES
First vehicle included at no extra charge.
Expense review included. Provide totals for each expense category; bookkeeping is charged separately when needed.
ADDITIONAL SERVICES
Starting price; depends on complexity.
Written response, requested tax-return information and follow-up to close the review.
ONGOING BUSINESS SUPPORT
A recurring service, with a clear price and billing schedule. Contact us to confirm the right scope for your business.
+ tax
Price negotiated individually.
Client access to CLIVORA.
Discuss this plan+ tax
Pricing is tailored to your business and may be lower.
Client access to CLIVORA.
Discuss this plan+ tax
Client access to CLIVORA.
Discuss this planCLIVORA BY BIG4
Our clients use CLIVORA to manage business information and work with BIG4 in one place.
Open client portalPERSONAL SUPPORT. PRACTICAL SOLUTIONS.
BIG4 PROFESSIONAL SERVICES INC. is a Toronto-based accounting and tax services business led by Jakub Michal Ciapka. We support individuals, self-employed clients and corporations with tax returns, bookkeeping, payroll, GST/HST, WSIB and business registration.
Our approach is personal and straightforward: clear communication, organized documents and practical support tailored to your needs. Clients can stay connected through CLIVORA to access documents, invoices and subscriptions.
LET'S TALK
Send a question, request a quote or attach documents relevant to your enquiry.
416-320-1332office@big4tax.ca255 Glenlake Ave, Unit 1610
Toronto, ON M6P 1G2
TORONTO, ONTARIO
255 Glenlake Ave, Unit 1610 · Toronto, ON M6P 1G2