How to Start Your Hamilton Construction Materials Wholesaler Business
This page is your practical starter for launching an Other Construction Material Merchant Wholesalers business in Hamilton (NAICS 423390). It lays out a straightforward path, including the 13 requirements you must meet, the registrations and permits you'll need, and the upfront costs to budget. You’ll also get a realistic timeline from setup to opening so you know what to expect and when to act.
This guide highlights what each requirement covers, the permits you’ll likely need (municipal zoning checks, a business license, CRA Business Number, GST/HST registration, and key insurance), plus typical costs and filing steps. It also maps a practical startup timeline—from name registration and local approvals to supplier onboarding and your first inventory order—so you can plan concrete next steps.
Why Hamilton? The city’s active construction scene, central Ontario location, and strong network of builders and suppliers make it a smart backdrop for an 423390 wholesaler trying to scale. You’ll tap into a robust market, local opportunity, and accessible logistics as you navigate the 13 requirements, permits, costs, and timeline.
Requirements Overview
The most critical requirement for operating a business in Hamilton, Ontario is Product Safety and Recall Obligations. This is a legal requirement you cannot bypass, and you cannot operate without it. You must have clear processes to ensure every construction material you sell meets safety standards and to act quickly if a product is unsafe or recalled. Set up supplier checks, keep up-to-date safety data sheets and labeling, and document a straightforward recall plan so you’re prepared.
Mandatory Operational Requirements: health, safety, and permits. Health and safety come first with compliance to the Occupational Health and Safety Act and the necessary worker training, plus WSIB registration and coverage to protect people on the job. You’ll also want practical risk protection like Commercial General Liability Insurance. For permits and registrations, obtain a local Business Licence and register your Ontario business name with ServiceOntario, and get a CRA Business Number. If your operation generates waste, you’ll need Waste Generator Registration. If you have employees, ensure Employment Standards compliance and related payroll duties are in place.
Business Registration & Tax: Your business identities and taxes must be in order. Register your business name with ServiceOntario, obtain a CRA Business Number (BN), and set up GST/HST registration when you reach the threshold. If you hire staff, set up Payroll Deductions. If you import or export goods, you’ll need an Import/Export BN. Depending on your sales, a Vendor Permit for Retail Sales Tax Exemption may apply.
Encouragement and next steps: Use these steps as a practical checklist. Start by confirming product safety obligations, then secure the essential registrations (BN, GST/HST, WSIB, liability insurance, business licence). Reach out to a local business advisor or the Hamilton chamber for guidance, and begin applying for registrations one by one. You’ve got this—tackle it step by step and you’ll be ready to op
Detailed Requirements
Here are the specific requirements for starting a other construction material merchant wholesalers in Hamilton:
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Product Safety and Recall Obligations RequiredWholesalers must ensure products meet Canadian safety standards and report serious incidents. Must participate in product recalls and maintain records for traceability. No registration - compliance law. Manufacturers/importers/sellers must ensure products are safe. MANDATORY REPORTING to Health Canada if: death/serious injury occurred or could occur, defects found, inadequate labeling, or recall in other jurisdiction. Keep records 6 years. Penalties: fines, seizure, criminal charges. Report incidents online or call 1-866-662-0666.
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Business Licence RequiredGeneral business licence required to operate a business in City of Hamilton. Apply to City of Hamilton for Business Licence: 1. Determine business category 2. Complete business licence application 3. Submit required documents (ID, lease, zoning confirmation) 4. Pay application and annual fees 5. Await approval and receive licence Contact City of Hamilton Business Licensing for specific requirements. Home-based businesses may have different requirements. Annual renewal required.
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Business Number (BN) Registration RequiredA 9-digit Business Number is required for most businesses operating in Canada. It is used to interact with the Canada Revenue Agency and other federal programs. Required for GST/HST, payroll, corporation income tax, and import/export accounts. Register FREE online through Business Registration Online (BRO) at canada.ca. Takes 15-30 minutes. As of November 3, 2025, online registration is MANDATORY for new BNs - phone registration no longer available. You'll need: business name, address, owner SIN, business type, and start date. BN (9-digit number) issued INSTANTLY online. Available 21 hours/day, 7 days/week (closed 3-6am ET for maintenance).
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Ontario Business Name Registration (ServiceOntario) RequiredBusinesses in Ontario operating under a name other than the owner's legal name must register with Ontario Business Registry through ServiceOntario. This includes sole proprietorships, partnerships, and business names for corporations. Registration provides legal protection for the business name within Ontario and is required for banking, licensing, and business operations. Registration can be completed online through Ontario Business Registry. Business name registrations must be renewed every 5 years. Register business name with Ontario Business Registry: 1. Search Ontario Business Registry (free) for name availability 2. Consider NUANS name report ($25) for thorough search 3. Register online through Ontario Business Registry 4. Pay registration fee ($60 for sole proprietorship/partnership) 5. Receive 9-digit Ontario Business Identification Number (BIN) 6. Registration valid for 5 years 7. Renew before expiry
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Occupational Health and Safety Act Compliance RequiredAll Ontario workplaces must comply with the Occupational Health and Safety Act to ensure safe working conditions. Requirements include workplace safety policies, training, hazard assessments, and incident reporting. No registration - compliance law. Must post OHSA in workplace. JHSC required for 20+ workers (or 6+ in designated industries). Nov 2025: New administrative penalty scheme, defibrillator reimbursement. Telework now covered. Fines: up to $500K individuals, $1.5M corporations. 27 regulations under OHSA. Must conduct safety audits, maintain training records. Contact: 1-877-202-0008.
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Waste Generator Registration RequiredBusinesses generating, storing, or shipping certain types of waste must register with the Ontario Ministry of Environment and maintain waste management documentation. RPRA replaced HWIN Jan 2023 for hazardous/liquid industrial waste registration. Subject wastes listed in O. Reg. 347. Electronic manifests via HazTrack. Generator registration required BEFORE first shipment. Small quantity generator exemptions (<5kg/month or <100kg stored). $5.50/tonne fee. EASR for some waste activities. Contact RPRA: 1-833-600-0530.
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Import/Export Business Number ConditionalRequired for specific regulated activities. Wholesalers engaged in importing or exporting goods must register for an import/export account with Canada Border Services Agency (CBSA) in addition to their CRA Business Number. As of Oct 21, 2024, register RM account through CBSA's CARM Client Portal (not CRA). Need BN9 first - get via CARM or CRA's BRO. FREE registration. Required for importing/exporting commercial goods. Ensure all business names match exactly to avoid border delays. CBSA manages RM accounts; CRA issues BN9. Contact CBSA Border Information Service: 1-800-461-9999.
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Vendor Permit for Retail Sales Tax Exemption ConditionalRequired for retail sales. Wholesalers selling to other businesses for resale purposes should register as vendors and provide resale certificates. This allows business customers to purchase without paying HST when goods are for resale. Ontario uses HST (13%), no separate RST vendor permit. GST/HST registration via CRA if $30K+ revenue. Input Tax Credits available. Vendor permit concept relates to RST-era exemptions (pre-2010). Some exemptions via certificates (e.g., First Nations, farming). Contact CRA: 1-800-959-5525.
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Employment Standards Compliance ConditionalApplies if you have employees. Covers minimum wage, hours of work, vacation pay, public holidays, termination notice, etc. All Ontario employers must comply with the Employment Standards Act, covering minimum wage, hours of work, overtime, vacation, termination, severance, and other workplace rights. No registration required - compliance-based requirement. Follow Employment Standards Act (ESA) for minimum wage, hours of work, overtime, vacation, leaves, and termination. Post ESA poster in workplace (free download from ontario.ca). Keep employment records for 3 years. NEW for 2025: Employers with 25+ staff must provide written employment info to new hires by July 1, 2025. Job postings must include salary ranges by Jan 1, 2026. Call 1-800-531-5551 for help.
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GST/HST Registration ConditionalRequired if annual taxable revenue exceeds $30,000 (small supplier threshold). Taxi/ride-share drivers must register regardless of revenue. Businesses with gross revenues over $30,000 in any single quarter or over four consecutive quarters must register for, collect, and remit GST/HST. Small suppliers (under $30,000) may register voluntarily. Register FREE online through Business Registration Online (BRO) when your revenue exceeds $30,000 in any 4 consecutive quarters (small supplier threshold). Takes 15-30 minutes. You MUST register within 29 days of exceeding threshold and start charging GST/HST immediately on the sale that made you exceed it. Need your BN (or get one simultaneously). As of Nov 3, 2025, online registration is mandatory. Voluntary registration available anytime for input tax credits.
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Payroll Deductions Registration ConditionalRequired if you pay salaries, wages, or other remuneration to employees. Must register before first pay period. Required if you have employees. You must withhold Canada Pension Plan (CPP), Employment Insurance (EI), and income tax from employee wages and remit to CRA. Register FREE online through Business Registration Online (BRO) when you hire your first employee. Takes 15-20 minutes. You'll need your Business Number (BN) or can get one simultaneously. Payroll account (RP) added to your BN instantly. Register BEFORE your first pay date. Required to deduct CPP, EI, and income tax from employee wages. For 2025: CPP rate 5.95%, EI employee rate $1.66/$100 insurable earnings.
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Commercial General Liability Insurance ConditionalRequired for specific regulated activities. Wholesalers should maintain commercial general liability insurance covering product liability, premises liability, and completed operations. Often required by commercial leases and customer contracts. Ontario law requires general liability insurance for most businesses. Minimum typically $1M for small business, $2M+ for higher risk. Covers bodily injury, property damage, personal injury, advertising injury. WSIB also required for employees. Landlords, lenders may set higher requirements. Additional options: D&O, E&O, Cyber Liability. Cost: $500/yr to millions depending on risk. Contact insurance broker.
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WSIB Registration and Coverage ConditionalRequired within 10 days of hiring first employee, including family members and subcontractors. Workplace Safety and Insurance Board (WSIB) registration is mandatory for most Ontario businesses with employees. Provides compensation and support for workplace injuries and illnesses. Sole proprietors and partners can apply for optional coverage. Register FREE online at wsib.ca in 15-20 minutes. MANDATORY for most Ontario employers within 10 calendar days of hiring first worker. You'll need: CRA Business Number, payroll estimate, business activity description, owner/director info. Account number issued INSTANTLY online. Construction industry has expanded compulsory coverage. Premium rates vary by industry classification. Must display WSIB safety poster in workplace.
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