Grading & Landscaping Business in Ontario
Canada's largest market with mandatory WSIB and enforced One-Call
Ontario Quick Facts
Tax Rate: 13% HST
WSIB: MANDATORY for construction sole proprietors
Business Registration: $60 via Ontario Business Registry
One-Call: Ontario One Call — 1-800-400-2255 (it's the law)
Season: April–November
Renewal: Every 5 years ($60)
WSIB is Mandatory
Ontario is the only province where WSIB coverage is mandatory for construction sole proprietors. Since January 1, 2013, independent operators in construction must register and pay premiums. Failing to register can result in penalties.
Enforced One-Call Legislation
Ontario has dedicated One-Call legislation (OUINSA 2012) with fines up to $10,000 for digging without locates. 5-day turnaround is the longest in Canada — plan jobs accordingly.
Ontario Grading Rates
| City | Hourly (Low) | Hourly (High) | Notes |
|---|---|---|---|
| Toronto/GTA | $95/hr | $150/hr | Concentration around $125/hr |
| Ottawa | $110/hr | $140/hr | Capital region |
| Hamilton | $100/hr | $130/hr | Golden Horseshoe |
| London | $100/hr | $130/hr | Southwestern Ontario |
| Northern Ontario | $75/hr | $100/hr | Lower cost of living |
Toronto Fair Wage Schedule sets mini-skid steer operator labor at $40.33/hr — contractors add $50–$80/hr for equipment.
WSIB Requirements
WSIB coverage is compulsory for independent operators, sole proprietors, and executive officers in the construction industry — with or without employees. This is unique among all provinces.
Premium Rate (Class G6):
~$1.61 per $100
Non-residential construction
Max Assessable Earnings:
$121,700 (2026)
Exception: Operators working exclusively on home renovation hired directly by a homeowner/occupant may qualify for an exemption.
Starting Your Ontario Business
1. Register Your Business Name
Register via Ontario Business Registry (ontario.ca). Cost: $60. Renewal every 5 years ($60).
2. Register for HST
Single CRA registration covers both federal and provincial portions. Required if revenue exceeds $30K/year.
3. Register for WSIB (Mandatory)
Register at wsib.ca. Required for all construction sole proprietors since 2013.
4. Get Insurance
$2M CGL recommended (~$550+/year in Ontario). $200K minimum TPL for commercial auto ($1M recommended).
Ontario Market
Largest Market
GTA is Canada's most competitive skid steer market. High volume but also high competition. Differentiate through reliability and specialized services.
New Home Construction
Strong residential construction market. Lot grading, final grading, and landscaping prep are in consistent demand.
Working at Heights
Ontario mandates Working at Heights training (O. Reg. 297/13) for construction workers. May apply to some elevated platform work.
Starter Company Plus
Ontario offers grants up to $5K for new businesses through Small Business Enterprise Centres. Worth exploring for startup costs.
Ontario Resources
Other Provinces
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