
Payroll Calculator Ontario
Estimate Ontario payroll deductions and how they shape employee pay.
Calculate Payroll: Payroll Calculator OntarioCanadian Accounting & Tax Firm
Tax, accounting, payroll and company setup for businesses in the GTA and across Canada. Fixed fees, agreed upfront.


Speak directly with an accountant
Trusted by 1,000+ clients, from owner-managed companies to multinational groups.
The approvals, partners and platforms behind your filings.
From owner-managed companies to multinational groups, in Canada and abroad. Backed by the approvals below and working in the platforms you already use.
Every service runs through one team, so your books, payroll and tax returns always agree.
Monthly bookkeeping, bank and credit card reconciliations, management reports and year-end financial statements you can hand to a bank, an investor or the CRA. We also bring books up to date when they are months or years behind.

T2 corporate tax returns for federal and provincial corporations across Canada. We plan salary versus dividends, claim the small business deduction where it applies, and tell you what is owing before the payment deadline.

GST/HST, PST and QST registration and returns, filed monthly, quarterly or annually, at the right rate for each province.

Pay runs, CPP, EI and income tax deductions, CRA remittances on your schedule, and year-end T4s and ROEs.

Federal or provincial incorporation, your business number and CRA accounts (GST/HST, payroll, import/export), extra-provincial registration, and books set up from day one.

Personal tax returns for employees, business owners, landlords, investors and newcomers.

Canadian tax for companies and people with income, property or entities outside Canada: foreign affiliates, foreign tax credits, non-resident filings, withholding tax and transfer pricing.

If the CRA sends a review letter, proposes a reassessment or opens an audit, we deal with them for you, and file a notice of objection if the result is wrong.

T3 trust returns, final and estate returns, and planning for owners before year end or a major event such as selling the business or bringing in a partner.

Your books, payroll, sales tax and tax returns come from one team, so nothing is re-entered or lost between providers. You know the fee before we start, and who is working on your file.
Once you authorize us, we answer CRA letters, reviews and audits in your name. You never face the CRA alone.
35+ qualified professionals, including a CPA, reviewing your work before it goes to the CRA.
The work, the timeline and the fee in writing before anything starts. No hourly billing.
Offices in Canada and Dubai, with a presence in the USA and Panama. One point of contact for every country you operate in.
Behind on your filings? We bring your books and returns up to date.
Who We Serve
Canadian subsidiaries and branches of US, UAE and global groups. Transfer pricing, T106 reporting, withholding tax and consolidated reporting your parent company and auditors can rely on.
Monthly close, T2 returns, payroll, sales tax and CRA audit support for established companies, plus planning on salary, dividends and growth.
Federal or provincial incorporation, CRA accounts, first payroll and first filings, for Canadian founders and foreign companies opening in Canada.
Personal returns, rental and investment income, foreign assets and non-resident filings, handled alongside your company.

35+
Qualified Professionals
1,000+
Clients Served
10+
Years of Experience
4
Countries
Your data is handled securely and confidentially, with an NDA and professional indemnity insurance on every engagement.
Global Presence
Meet us at our office in the GTA or work with us online from anywhere in Canada. With an office in Dubai and a presence in the USA and Panama, clients with companies in more than one country deal with one firm.
Canada
GTA office, online across Canada
Dubai, UAE
New York, USA
Panama City, Panama
Switching accountants feels risky. Here is exactly what happens, step by step.

01
A free 20-minute call about your business, your deadlines and any CRA letters. Nothing to prepare.
02
A written scope and fixed fee before any work starts: what we will do, by when, and what it costs.
03
We handle the switch from your previous accountant and start the work. You approve, we file.
04
Monthly accounts, filings and advice throughout the year. One named accountant, not a helpdesk.
05
Before each year end we review results and tax planning, and adjust your support as you hire, grow or expand abroad.
Client feedback
I was worried about company due to some bookkeeping errors done by the company i hired before bestax, Bestax made it simple and straightforward. They handled and corrected everything, kept me informed,. I can’t thank them enough for taking care of it all.
Google review 1 of 4: Bryant Phillip



Showing video 1 of 3: Why I chose Bestax.
Tell us what you need help with and when it is due. In a free 20-minute call we will tell you whether we can help, what it involves and what it will cost.
Private ConsultationTailored Advice
Use these guides to prepare for a decision or a conversation with our team.

Estimate Ontario payroll deductions and how they shape employee pay.
Calculate Payroll: Payroll Calculator Ontario
Estimate Canadian income tax and see how deductions and credits apply.
Calculate Income Tax: Income Tax Calculator
Follow the steps to incorporate a business in Canada before you register.
Read Guide: Business Setup GuidanceStay ahead. Stay compliant.
Filing dates depend on your structure, fiscal year and assigned reporting periods. Bring us your accounts and notices and we map your deadlines into our compliance calendar.
Never Miss a Deadline
We track your Canadian filing dates and reporting requirements.
Complete Coverage
Returns, payments and key filing deadlines stay organized.
Stay Compliant
Keep your records and filings aligned with applicable CRA requirements.
Timely Reminders
Know what is due before the filing date arrives.
T4 and T4A slips for 0 go to the CRA and to employees and contractors by the last day of February. T5 slips for shareholders are due the same day.
CRA rule for this deadline (opens in a new tab)Most corporations pay their balance two months after the tax year ends. A CCPC that claimed the small business deduction and is within its business limit has three months.
CRA rule for this deadline (opens in a new tab)File within six months of the tax year end.
CRA rule for this deadline (opens in a new tab)Your T2 return carries your year-end financial statements, so they need to be ready by the T2 due date.
CRA rule for this deadline (opens in a new tab)Dates on a weekend or CRA public holiday move to the next business day.
Source: Canada Revenue Agency (opens in a new tab)
Get expert support for your tax filings, payments and tax planning.
Every industry has its own records, deductions and CRA questions. These are the sectors we work with most, across Canada and abroad.

Fleets and owner-operators: fuel tax records, per-km costs, long-haul meal claims, duties and landed costs.

Job costing, holdbacks, T5018 slips, workers' compensation and sales tax on progress billings.

Rental income, the property flipping rule, GST/HST on new homes and assignments, and real estate corporations.

Doctors, dentists, lawyers and consultants: professional corporation tax and salary versus dividends

Shopify, Amazon and marketplace payouts reconciled, fees split out, sales tax by the buyer's province.

Inventory costing, cost of goods sold, export sales and intercompany pricing.

Recurring revenue, foreign clients, zero-rated exports and investor-ready reporting.

FINTRAC-ready records, reconciled transaction ledgers and tax reporting the CRA can follow.
If your industry is not listed, it is still one we serve.
Bestax is an accounting, tax and advisory firm for mid-size to large corporations and international groups, with offices in Canada and Dubai. We handle business setup, accounting, corporate and personal tax, payroll, GST/HST, transfer pricing, CRA audit support, and trusts and estates.
Mid-size to large corporations, multinational groups with Canadian operations, foreign companies entering Canada, and owners running businesses across Canada, the USA and the UAE. We also look after their shareholders' personal tax, trusts and estates.
Yes. With a team of more than 35 professionals in Canada and Dubai, it serves multinational groups and mid-size corporations across Canada, the USA and the UAE, and its client reviews are published on Google and Trustpilot.
Yes. That is our core work. We handle transfer pricing, Form T106, cross-border and US tax, and UAE corporate tax, with teams in Canada and Dubai working on both sides of the same group.