CSI Montreal INC. — Serving Quebec & Eastern Ontario Ottawa • Cornwall • Greater Montreal • Trois-Rivières • Quebec City
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CSI Montreal Inc. — Serving Quebec & Eastern Ontario

Commercial Renovations & Professional Locksmith Services

Serving Montreal, Ottawa, Cornwall, Quebec City, and surrounding communities throughout Quebec and Eastern Ontario.

WEST Ottawa & Cornwall CENTRAL Greater Montreal EAST Trois-Rivières & Quebec City
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Commercial Renovations
Interior build-outs, partitions, doors & frames, and workspace upgrades.
Professional Locksmith Services
Locks, cylinders, rekeying, door closers, and commercial security hardware.
Modern renovated commercial office interior with glass partitions, clean lighting, and architectural framing
Division 01
Commercial Renovations

Practical interior improvements, office fit-outs, and space maintenance across QC & Eastern ON.

Close-up of commercial door lock cylinder and stainless steel architectural lever hardware
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Locksmith Services

Commercial & property lock hardware, rekeying, and door security.

Core Capabilities

Two Core Commercial Divisions Under One Roof

Whether you need to reconfigure a commercial interior or secure your doors and hardware across Quebec and Eastern Ontario, CSI Montreal Inc. provides dependable, professional execution.

Commercial interior renovation site showing architectural framing and workspace construction
01 / Interior Build & Improvements

Commercial Renovations

Dependable renovation, layout modification, and interior improvement work designed around the operational needs of commercial properties across Quebec and Eastern Ontario.

  • Office, retail, and commercial tenant improvements
  • Interior partitioning, drywall, ceilings, and finishes
  • Commercial doors, hollow metal frames, and hardware fit-outs
  • Property repairs, space reconfiguration, and upkeep
Learn More About Renovations Request Quote
High-security keyway cylinder and precision locksmith hardware components
02 / Security & Door Hardware

Professional Locksmith Services

Practical lock and door hardware solutions for commercial buildings, offices, retail storefronts, and property managers.

  • Lock installation, replacement, and cylinder upgrades
  • Lock repair, rekeying, and master key systems
  • Commercial door hardware, panic bars, and door closers
  • Access control hardware & keyless entry solutions
Learn More About Locksmith Services Request Quote
Regional Service Corridor

Serving Quebec & Eastern Ontario

From Ottawa and Cornwall to Greater Montreal and Quebec City, CSI Montreal Inc. provides professional locksmith and commercial renovation solutions to businesses, property managers, and commercial properties across the region.

Central Corridor • QC

Greater Montreal

Montreal, Laval, West Island, South Shore, North Shore, and surrounding areas.

Montreal Laval West Island Dorval Pointe-Claire Kirkland Vaudreuil-Dorion Longueuil Brossard
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Western Corridor • ON

Eastern Ontario

Ottawa, Cornwall, Hawkesbury, Rockland, and surrounding areas.

Ottawa Cornwall Hawkesbury Rockland Orleans Kanata Nepean Prescott-Russell
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Eastern Corridor • QC

Quebec City & Central Quebec

Quebec City, Trois-Rivières, and surrounding communities.

Quebec City Trois-Rivières Montreal–Quebec City Corridor Surrounding Communities
View Eastern Corridor Coverage
Interactive Geographic Coverage Map
Select a regional hub to explore communities served along the Ottawa–Montreal–Quebec City corridor
EASTERN ONTARIO QUEBEC Kanata / Nepean Orleans / Rockland Hawkesbury Vaudreuil / West Island Laval / North Shore Longueuil / Brossard Ottawa, ON Cornwall, ON Greater Montreal Trois-Rivières Quebec City, QC
Illustrative regional representation of CSI Montreal Inc.’s primary service corridor. Availability is confirmed per project. Full Service Areas Directory →
Full Regional Corridor • QC & ON

Quebec & Eastern Ontario Corridor

CSI Montreal Inc. operates as a regional commercial contractor along the primary corridor linking Ottawa and Cornwall in the west, Greater Montreal in the centre, and Trois-Rivières and Quebec City in the east.

Communities & Areas Served
Available Commercial Services
Commercial Renovations & Interior Fit-Outs • Professional Locksmith Services & Commercial Door Hardware
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Why Choose CSI Montreal

Practical, Accountable Work for Commercial Properties

Property owners and business managers across Quebec and Eastern Ontario need contractors who communicate clearly, respect active workspaces, and deliver durable results.

Clear Communication

Straightforward project discussions, transparent scope definitions, and direct updates from initial walkthrough to completion.

Professional Workmanship

Attention to detail on both mechanical door hardware and interior construction so installations function properly over the long term.

Regional Multi-Site Capability

Equipped to support single commercial sites or multi-location portfolios across Greater Montreal, Eastern Ontario, and the Quebec City corridor.

Coordinated Door & Build Expertise

Combining locksmith knowledge with commercial renovation capability helps prevent gaps between framing, doors, and security hardware.

Portfolio & Work Samples

Explore examples of locksmith installations and commercial renovation work. [Placeholder Gallery: Replace with CSI Montreal's actual project photos & job notes]

View All Projects
Commercial office interior with renovated meeting room partitions and glass doors Commercial Renovation
SAMPLE PLACEHOLDER — REPLACE WITH REAL PHOTO

[Project Title Placeholder: Office Interior Fit-Out]

[Editable Project Description: Add details on partition framing, acoustic ceilings, interior doors, and finishes completed by CSI Montreal.]

Region: [City / Corridor] Details →
Commercial grade mortise lock and heavy-duty lever handle installed on metal door Locksmith Services
SAMPLE PLACEHOLDER — REPLACE WITH REAL PHOTO

[Project Title Placeholder: Commercial Door Hardware & Rekeying]

[Editable Project Description: Describe cylinder replacements, master key setup, panic bar installation, or door closer adjustments.]

Region: [City / Corridor] Details →
Renovated retail and commercial entryway with new framing, clean drywall, and hardware Integrated Scope
SAMPLE PLACEHOLDER — REPLACE WITH REAL PHOTO

[Project Title Placeholder: Storefront Entry & Suite Upgrade]

[Editable Project Description: Combined interior renovation and commercial door/lock installation for a commercial property.]

Region: [City / Corridor] Details →
Simple Process

How It Works

From straightforward lock replacements to commercial interior renovations across Quebec and Eastern Ontario, we keep the process clear from start to finish.

01

Tell Us What You Need

Reach out through our quote form or by phone with your project location and a brief description of your locksmith or commercial renovation requirements.

02

Discuss the Project

We review your goals, confirm regional scheduling for your city, and arrange an on-site assessment if needed to evaluate doors, hardware, or interior conditions.

03

Get a Quote

Receive a clear project scope and quote outlining the recommended work, materials, and practical next steps for execution.

Careers & Apprenticeships • QC & Eastern ON

We’re Growing. Join Our Team.

CSI Montreal Inc. is looking for experienced locksmiths and motivated locksmith apprentices across Quebec and Eastern Ontario.

View Career Opportunities Now Hiring: Experienced Locksmiths & Locksmith Apprentices
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Request a Quote or Discuss Your Project

Tell us about the commercial renovation or locksmith work you are planning in Greater Montreal, Ottawa, Cornwall, Quebec City, or surrounding communities.

Phone
[Owner Placeholder: Add Phone Number]
Email
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Geographic Coverage
Quebec & Eastern Ontario (Ottawa & Cornwall to Greater Montreal & Quebec City)
Business Hours
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