Launch Your Commercial and Institutional Construction Business in Longueuil
This page provides a practical, step-by-step roadmap to start a Commercial and Institutional Construction business (NAICS 236220) in Longueuil. You’ll get a clear overview of the nine requirements to operate legally, including registrations, licenses, permits, insurance, and safety programs. It breaks down what to prepare, how to track progress, and where costs typically land, with a realistic timeline to move from plan to project.
You’ll walk away with a clearer path: what permits and licenses to prepare (municipal building permits, contractor licensing in Quebec, business registration), typical costs, and realistic timelines. We’ll outline a 2–6 month setup window broken into phases—registrations, RBQ licensing, municipal approvals, and first bidding cycle—so you can plan your cash flow. Understand how long each stage takes, what documents to gather, and how to budget for setup, training, and compliance so you can hit your first job with confidence.
Longueuil’s growing commercial scene and easy access to Montreal make this a strong launchpad for building long-term client relationships, tapping a diverse market of schools, offices, and healthcare facilities, and benefiting from solid municipal support.
Requirements Overview
In Longueuil, the core, non-negotiable starting point is getting the main government registrations in place. The Business Number (BN) with the federal tax agency, the Quebec Enterprise Number (NEQ), and the Quebec Business Registration (REQ) are required to legally operate, bill clients, hire workers, and handle taxes. Without these identifiers, you cannot legally bid on projects or run payroll. They are the foundational keys to doing business with clients, banks, and government programs in Quebec.
Operational requirements: health, safety, and permits should come first on any job site. You’ll need the Quebec CNESST Employer Registration to cover workers’ compensation and site safety obligations, and Payroll Deductions Registration to withhold and remit employee taxes. Make sure you have the appropriate business licence for construction activities. If you plan to form a partnership or a Quebec corporation, complete the corresponding registrations for that structure as well. Keeping on-site safety training and required permits up to date is essential as you take on projects.
Business Registration & Tax: your BN, NEQ, and REQ tie into tax accounts and regulatory reporting. You’ll also need GST/HST registration if you bill clients across Canada or meet certain thresholds. Depending on your chosen structure, you may register as a partnership or as a Quebec corporation, and then manage payroll taxes and CNESST contributions through the proper accounts. This is where your financial and legal footing becomes clearly organized.
Encouragement: start with these registrations, then map out your project pipeline. If you’re unsure about any step, consider a local advisor to guide you through the setup. Once these essentials are in place, you can focus on safely delivering high-quality commercial and institutional construction projects in Longueuil.
Detailed Requirements
Here are the specific requirements for starting a commercial and institutional building construction in Longueuil:
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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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Quebec Enterprise Number (NEQ) Registration RequiredRegistration of business with the Quebec Enterprise Registrar. Register with Registraire des entreprises du Québec: 1. Access quebec.ca/entreprises services 2. Complete declaration of registration online 3. Pay registration fee ($38 sole proprietorship, $367 corporation) 4. Receive NEQ (Numéro d'entreprise du Québec) Annual registration fee: $35 (exempt first 2 years). Annual update declaration required. 30-day deadline for changes.
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Quebec Business Registration (REQ - Registraire des entreprises) RequiredAll businesses operating in Quebec must register with the Registraire des entreprises du Québec (Quebec Enterprise Registrar). This includes sole proprietorships, partnerships, and corporations. Registration provides a Quebec Enterprise Number (NEQ) which is required for all business activities including banking, licensing, and tax purposes. Unlike other provinces, registration is mandatory for ALL businesses in Quebec, not just those with a business name different from the owner. Registration can be completed online. Annual declarations must be filed to keep the registration current. Register with Registraire des entreprises within 60 days of starting business. Required for sole proprietors operating under trade name, partnerships, and corporations. $39 for sole proprietorship, $60 for partnership. Receive NEQ (Quebec Enterprise Number).
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Business Licence RequiredGeneral business licence required to operate a business in Ville de Longueuil. Apply to Ville de Longueuil 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 Ville de Longueuil Business Licensing for specific requirements. Home-based businesses may have different requirements. Annual renewal required.
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Partnership Registration ConditionalRequired if operating as partnership. Registration of general or limited partnerships in Quebec. Register partnership with Registraire des entreprises: 1. Complete declaration of registration 2. Provide partner information 3. Submit registration 4. Pay registration fee General and limited partnerships. NEQ assigned upon registration. Annual update declaration required.
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Quebec Corporation Registration ConditionalRequired if incorporating in Quebec. Incorporation of a company under Quebec law. Incorporate through Registraire des entreprises: 1. Conduct name search (NUANS) 2. Prepare articles of incorporation 3. Submit through quebec.ca or registry office 4. Pay incorporation fee ($367) Annual reporting required. Must file annual update declaration. Federal incorporation alternative available ($200).
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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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Quebec CNESST Employer Registration (Workers Compensation) ConditionalRequired if you have employees in Quebec. Employers in Quebec must register with the CNESST (Commission des normes, de l'équité, de la santé et de la sécurité du travail) and maintain coverage for workers. CNESST provides insurance coverage for workplace injuries and occupational diseases under Quebec's workers' compensation system. Most employers are required to register within 60 days of hiring their first worker. Employers pay contributions (premiums) based on their business activity classification and assessable payroll. Register with CNESST within 60 days of hiring first employee. CNESST provides workplace health and safety coverage. Premium rates based on industry classification. Annual declaration of wages required by March 14.
Funding & Grants
Available funding programs that may apply to your commercial and institutional building construction:
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The ATTC provides qualifying Ontario employers with a refundable tax credit equal to 25% of eligible expenditures (30% for small businesses) incurred during the first 36 months of a qualifying apprenticeship, up to a maximum of $5,000 per qualifying apprentice per year. The credit applies only to apprenticeship programs that …
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The Labour Mobility Deduction (LMD), enacted via Bill C-241, provides tradespeople and indentured apprentices in construction with a personal income tax deduction of up to $4,000 per year for eligible temporary relocation expenses. The worker must temporarily relocate more than 150 km from their ordinary residence within Canada for at …
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$50M two-year initiative (2024–2026) delivered by Canada's regional development agencies. Provides repayable contributions to businesses and non-repayable to non-profits and governments, covering up to 50% of eligible costs. Projects from $200K to $5M. Applicants must have been in business at least 2 years.
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ACLP offers low-interest construction and permanent financing for new purpose-built rental apartment projects. Loans are interest-only during construction, then convert to a 10-year term with up to 50-year amortization. Previously known as the Rental Construction Financing Initiative.
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A $595 million program (Budget 2021) plus $90 million additional (Budget 2024, for housing trades). Since its launch in 2022, the program has funded 11,459 employers to create 17,208 apprenticeship placements. Provides $5,000 per first-year apprentice hired in one of 39 eligible Red Seal designated trades. An additional $5,000 is …
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