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Contact Us Info
Skilled Trades Ontario
General Inquiries:
Telephone: 647-847-3000
Toll-free number (Ontario only): 1-855-299-0028
Fax: 1-866-398-0368
Mailing address:
Skilled Trades Ontario
PO Box 2354 RPO SQ1 Shoppers
Mississauga, ON L5B 3C8
Hours of Operation:
Monday to Friday,
8:30am – 5:00pm EST
Media Inquiries:
Stakeholder Inquiries:
contact-us-page
Canada Post has indicated that mail delivery will be disrupted across the country effective Nov. 15, 2024. As a result, mail delivery of STO correspondence, Certificates of Qualifications and Wallet Cards will be delayed.
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Forms and resources
Find all the guides and forms that you may need to become a member, apply for equivalency, stay informed and keep up to date on the skilled trades in Ontario.
Get Certified
Membership demonstrates pride in training and certification—it shows tradesperson are proud of their accreditations and are qualified to do the job right.
Skilled Trades Ontario is looking at ways of improving safety, reducing costs and enhancing long-term profitability for our members through the exploration of a value proposition. This may include reducing the regulatory burden for small business owners and increasing economic benefit.
Tradesperson Not Listed Page
Tradesperson Not Listed?
Who is required to be on the Public Register? What if the tradesperson is not listed?
Anyone working in a compulsory trade is legally required to be a tradesperson of the Skilled Trades.
Please check that the tradesperson’s name or eight-digit number you entered is correct. All Skilled tradespersons are issued a card that lists their name, trade credentials and unique number.
If you have hired someone to complete work of a compulsory trade, but are unable to find them on the Public Register, please call our complaints line at 1 (855) 299-0028, ext. 3. The Skilled Trades has enforcement officers across the province to ensure the public is protected and tradespeople are held to a high professional standard.
Trade Information Page Glossary
Training Standards
Apprenticeship Training Standards
Apprenticeship Training Standards are designed to support consistency and accountability within the on-the-job training process. This ensures apprentices across Ontario are developing the skills necessary for success in their trades.
Curriculum Training Standards
Curriculum Standards are designed to support consistency and accountability within the in-school training process. This ensures apprentices across Ontario are developing the skills necessary for success in their trades.
Schedule of Training
A Schedule of Training is an Apprenticeship Training Standard which includes the on-the-job performance objectives and off-the-job learning outcomes.
Competency Analysis Profile (CAP Chart)
The CAP chart is a document that identifies the training needs of an individual trade and details the skills/skill sets that must be demonstrated in that trade.