What departments does Montgomery Sisam Architects have?

Montgomery Sisam Architects has employees across 8 departments including Program & Project Management, Business Development, Human Resources, Engineering, Arts & Design.

What is the largest department at Montgomery Sisam Architects?

The largest department at Montgomery Sisam Architects is Engineering with 14 employees.

Where are Montgomery Sisam Architects employees located globally?

Montgomery Sisam Architects has employees across 3 continents and 4 countries including France, Canada, United States Of America, Chile.

How has Montgomery Sisam Architects's team size changed over time?

Montgomery Sisam Architects's team has decreased from approximately 108 to 106 employees based on available data.

Montgomery Sisam Architects Employee Directory

Architecture and PlanningOntario, Canada51-200 Employees

Montgomery Sisam Architects is a Toronto-based architecture and planning firm established in 1978. The practice brings together architects, designers, and technicians who aim to deliver lasting spaces across living, learning, and healing contexts, emphasizing responsibility to the public, sustainability, and a rigorous, research-informed process. Their work spans multiple sectors and scales, seeking projects with a local presence and potential global impact while engaging in dialogue with clients to advocate for their needs. Recent activities include collaborations and new commissions with various partners, such as Lansdowne Centre in Brantford, reflecting ongoing expansion and diversified project interests within the industry.

Montgomery Sisam Architects Global Highlights

North America
109

Canada
106
United States Of America
3

Europe
1

France
1

South America
1

Chile
1

Montgomery Sisam Architects's Leadership

T. M.
President
Mobile Phone
Email
A. L.
Principal/Partner
Mobile Phone
Email
D. L.
Owner
Mobile Phone
Email
D. S.
Owner
Mobile Phone
Email
S. D.
Controller
Mobile Phone
Email
J. M. K.
Project Manager
Mobile Phone
Email
S. B.
Associate, Marketing & Business Development Manager
Mobile Phone
Email
B. W.
Project Manager
Mobile Phone
Email

Montgomery Sisam Architects Employee Metrics

100%

50%

0%

2026

2025

Arts & Design
Program & Project Management
Accounting
Community & Social Services
Administrative
Other
Business Development

Contact profiles from Montgomery Sisam Architects

Name

Title

Contact Info

Location

Last Update

T. M.
Principal
Mobile Phone
Email
CanadaOntario
Jun 02, 2026
T. R.
Principal
Mobile Phone
Email
CanadaOntario
May 31, 2026
D. H.
Principal
Mobile Phone
Email
CanadaOntario
May 30, 2026
W. R.
Senior Architect
Mobile Phone
Email
CanadaOntario
Jun 02, 2026
E. M.
Principal
Mobile Phone
Email
CanadaOntario
Mar 16, 2026
D. J.
Architectural Designer
Mobile Phone
Email
CanadaOntario
Apr 13, 2026
B. B.
Information Technology Assistant
Mobile Phone
Email
Canada
Jan 28, 2026
F. S.
Architectural Technologist
Mobile Phone
Email
CanadaOntario
Nov 17, 2025
A. J. H.
Architect
Mobile Phone
Email
CanadaOntario
Mar 16, 2026
A. P.
Associate
Mobile Phone
Email
CanadaOntario
Aug 09, 2025

Frequently Asked Questions

What is Montgomery Sisam Architects known for?

Montgomery Sisam Architects was founded in 1978 operates in the Architecture and Planning industry. The company's main headquarters is located in 197 Spadina Avenue Suite 301 Toronto, Ontario m5t 2c8 Canada; you can contact the main corporate office by phone at

+1-416-364-****

. Explore Montgomery Sisam Architects's company overview page for more information.

What is Montgomery Sisam Architects's most common email format?

Montgomery Sisam Architects employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Montgomery Sisam Architects email formats with LeadIQ.

How many employees does Montgomery Sisam Architects have currently?

Montgomery Sisam Architects has approximately 104 employees as of June 2026. These team members are located across 3 continents, including North AmericaEuropeSouth America.

Who are Montgomery Sisam Architects's key employees and leadership?

As of June 2026, Montgomery Sisam Architects's key employees include:

President: T. M.
Principal/Partner: A. L.
Owner: D. L.
Owner: D. S.
Controller: S. D.

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Montgomery Sisam Architects Employee Directory

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