What STGM Architectes does

STGM Architectes is a privately held, Québec-based professional architecture firm providing comprehensive design, planning, project management, and construction administration services across institutional, governmental, corporate, and educational clients. The firm operates through four offices (Montreal, Quebec City, Baie-Comeau, Longueuil) and two internal divisions, Codex and Partie5, with stated commitments to responsible architecture, sustainability, and collective well-being.

Its service portfolio spans safety and defence (e.g., Sureté du Québec police stations), heritage preservation (e.g., Villa Frederick-James), workspace design (e.g., VIA Rail corporate offices, the firm's own Baie-Comeau offices), culture and sports facilities (e.g., Bibliothèque Assemblée nationale du Québec), and educational infrastructure (e.g., Louis-Saint-Laurent School, UQAM campus master plan 2026-2046). Technical differentiation is anchored in specialized capabilities around mass timber construction (described as a new milestone for Québec), heritage restoration, and prefabricated architecture, supported by thought leadership content published in 2025-2026.

STGM generates revenue through project-based professional services engagements, with fees determined by project complexity, scope, regulatory requirements, and contract duration. Its go-to-market combines competitive public tendering for government and institutional work, direct commissions for private and repeat clients, and a regional office network that supports local relationship management. In May 2026 the firm brought in Desjardins Capital as a strategic partner to fund continued growth.

Name

STGM Architectes

Legal name

STGM Architecture

Website

https://stgm.net

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

101–250 employees

Short description

STGM Architectes is a private Québec-based architecture firm providing design, planning, and project management services through four offices (Montreal, Quebec City, Baie-Comeau, Longueuil) and the Codex and Partie5 divisions, serving governmental, institutional, corporate, and educational clients across sectors including safety, heritage, workspace, culture, and education.

Ownership category

akta.pro rank

Product category

Architectural Services

NAICS

Architectural Services (54131), Interior Design Services (541410)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

akta.pro secondary industry

Interior Design Services (BPAHAKAB)

Keywords

• Architectural design services
• Sustainable architecture
• Mass timber construction
• Heritage building preservation
• Institutional building design

Headquarters

HQ city

Quebec

HQ country

Canada

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Architecture and Design Services: Professional architecture services rendered on a project basis, including design, planning, project management, and construction administration for institutional, commercial, and government clients

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

STGM Architectes is a Quebec-based professional architecture firm providing comprehensive architectural services including interior design, planning, monitoring, construction site surveillance, 3D printing, and project management. The firm serves government, institutional, corporate, and educational clients across safety and defence, heritage, workspace, culture and sports, and education sectors, with a focus on responsible and sustainable building practices. It operates four offices across Quebec and two specialty divisions (Codex and Partie5) to deliver multidisciplinary design services.

Product overview

STGM Architecture is a responsible architecture firm dedicated to collective well-being and sustainability. The firm operates as a unified architecture practice organized into divisions including Codex and Partie5, providing services across multiple sectors: safety and defence (e.g., police stations), heritage preservation (e.g., Villa Frederick-James), workspace design (e.g., VIA Rail offices, Baie-Comeau offices), culture and sports (e.g., Bibliothèque Assemblée nationale du Québec), and education (e.g., Louis-Saint-Laurent School). The firm also provides strategic planning services such as the UQAM Campus Master Plan 2026-2046.

Differentiator

Problem solved

Functional benefit

Brands

• Codex: Architecture division
• Partie5

Products and services

• Architecture Services Comprehensive architectural services including design, planning, interior design, monitoring, construction site surveillance, 3D printing, and project management, focused on responsible and sustainable architecture. Serves government, institutional, corporate, and educational clients across safety and defence, heritage, workspace, culture and sports, and education sectors.
• Codex Division Services A specialty division of STGM Architecture operating under cod-ex.net, offering specialized architectural services as part of the firm's multidisciplinary design approach. Codex provides focused expertise within the firm's broader service portfolio.
• Partie5 Division Services A specialty division of STGM Architecture operating under partie5.ca, representing a multidisciplinary design approach within the firm. Partie5 delivers additional architectural expertise tailored to specific project requirements.

Named customers6 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Two partnerships are on record, tiered core.

• CodexcoreOthersCodex is a division of STGM Architecture providing specialized services, operating under cod-ex.net
• Partie5coreOthersPartie5 is a division of STGM Architecture operating under partie5.ca, representing a multidisciplinary design approach within the firm

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Direct peers

• NEUF architect(e)s: Quebec-based architecture firm with similar institutional and government client mix, comparable headcount, and overlapping service offerings including interior design and heritage work.
• Lemay: One of Canada's largest architecture firms headquartered in Montreal with deep Quebec roots. Lemay is the most direct competitor to STGM, sharing the same Quebec public-sector and institutional client base and offering comparable services across architecture, interior design, and urban design.
• Provencher Roy: Montreal-based architecture and urban design firm serving institutional, cultural, and government clients in Quebec. Highly comparable to STGM in scale, sector focus, and project types, particularly heritage and public infrastructure work.
• Menkès Shooner Dagenais LeTourneux Architectes: Montreal-based architecture firm focused on cultural, institutional, and public-sector projects in Quebec. Comparable to STGM in scale, clientele, and emphasis on sustainable and contextual design.
• Diamond Schmitt Architects: Canadian architecture firm with strong institutional, cultural, and higher-education portfolio. Comparable to STGM in service breadth and project complexity, with overlapping expertise in mass timber and sustainable design.
• KPMB Architects: Toronto-based Canadian architecture firm known for institutional, civic, and educational projects. Comparable to STGM in project typology, sector focus, and emphasis on design excellence and sustainability.
• Ædifica: Montreal-based architecture firm serving institutional, residential, and commercial clients in Quebec. Comparable in scale and service scope to STGM with similar exposure to Quebec public and private sectors.

Broad incumbents

• Architecture49: One of Canada's largest architecture practices with broad national coverage and significant Quebec presence. Competes with STGM on public-sector and institutional tenders but operates at substantially larger scale with broader geographic reach.
• NORR Architects: Large Canadian architecture and engineering firm with broad national practice including Quebec operations. Competes with STGM on institutional and government work but offers integrated engineering services at greater scale.
• Perkins&Will: Global architecture firm with established Canadian practice including Montreal office. Competes with STGM on large institutional, healthcare, and higher-education mandates across Quebec, with broader geographic and disciplinary reach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/stgmarchitectes
• LinkedInlinkedin.com/company/stgm-st-gelais-montminy---associ-s-architectes?trk=top_nav_home
• Instagraminstagram.com/stgm_architecture
• Xx.com/STGMArchi

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about STGM Architectes