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Expert Interior & Architectural Design Solutions in Newmarket, ON
At Tessier Design Corp., we are a multidisciplinary interior and architectural design firm with expertise in industrial, public, commercial, and retail spaces. Our team consists of registered interior designers, architectural technologists, project managers, contract administrators, interior decorators, and building technicians who provide clients with a full-service approach. We align companies' strategic goals through enhanced environments, vetted locations, workplace settings, and organizational culture.

With over 25 years of experience, we create functional, accessible, and beautiful design solutions that address both form and function. Our services include mapping out spaces, drafting technical drawings, applying for building permits, and collaborating with contractors. We embrace excellence through professionalism, honesty, adaptability, and a commitment to delivering innovative, supportive services without sacrificing quality or affordability.
Services
Commercial Design Public Spaces Industrial Design Move Management Interior Branding Project Management Sustainable Design Wayfinding Signage Building Audits Code Compliance
Highlights and features
  • We have over 25 years of experience in interior and architectural design across Canada.
  • Our multidisciplinary team includes registered designers, technologists, and project managers.
  • We offer comprehensive services from feasibility studies to construction administration.
  • Our evidence-based design decisions prioritize client vision, culture, and budget.
  • We provide end-to-end move management solutions with minimal business disruption.
Associations and certifications
  • Interior Designers of Canada (IDC)
  • Association of Registered Interior Designers of Ontario (ARIDO)
  • NCIDQ
  • Association of Architectural Technologists of Ontario (AATO)
  • BCIN Certified
Services
Commercial Design
We create functional, brand-aligned commercial spaces for offices, retail, and medical facilities. Our services include feasibility studies, 3D renderings, and construction documentation. We prioritize sustainability and code compliance while ensuring seamless project management from concept to completion.
Public Spaces
Our public space designs enhance community engagement through accessible, aesthetically pleasing environments. Services include branding alignment, AODA compliance, and wayfinding signage. We focus on sustainability and integrating building systems to deliver spaces that foster collaboration and inclusivity.
Industrial Design
We specialize in industrial spaces like labs, warehouses, and production areas. Our approach combines logistics planning, infrastructure integration, and code compliance. Services include feasibility studies, 3D modeling, and project management to optimize functionality and operational efficiency.
Move Management
Our end-to-end move management ensures minimal business disruption. Services include pre-move planning, logistics coordination, and post-move support. We handle packing, scheduling, IT coordination, and security to deliver stress-free transitions for businesses of all sizes.
Interior Branding
We align interior design with brand identity through visual storytelling and wayfinding signage. Services include brand audits, concept development, and graphic presentations. Our goal is to create immersive spaces that reflect client values and enhance stakeholder experiences.
People
Eileen Tessier
Principal
Eileen is a Registered Interior Designer with over 30 years of experience. She leads complex projects, focusing on strategic planning and client collaboration. Her expertise spans construction documentation, code compliance, and multidisciplinary coordination.
Christian Cote-Menard
Project Manager
Christian brings expertise in architectural technology and project management. He coordinates client needs with technical execution, ensuring projects meet functional and aesthetic goals while adhering to timelines and budgets.
Connie Connolly
Office Manager
Connie oversees administrative operations, ensuring smooth day-to-day management. Her organizational skills support the team in maintaining efficiency and client-focused service delivery.
Jessica Aldred
Intermediate Designer
Jessica contributes to design concepts and space planning with a focus on functionality and aesthetics. Her work bridges client vision with technical execution across diverse project types.
Philip Doiron
Project Manager
Philip manages project timelines and client communications. His background in architectural technology ensures alignment between design intent and construction realities for successful project delivery.
Questions
What services does Tessier Design Corp. offer?
We provide interior and architectural design, project management, move coordination, and code compliance for commercial, industrial, and public spaces.
Do you work outside the York Region?
While based in York Region, Ontario, we serve clients across Canada with tailored design solutions.
How do you handle complex renovation projects?
Our team uses evidence-based design, feasibility studies, and multidisciplinary coordination to address challenges in large-scale renovations.
Can you assist with AODA compliance?
Yes, we integrate accessibility standards into all projects, ensuring compliance with the Accessibility for Ontarians with Disabilities Act (AODA).
What is your move management process?
We offer end-to-end planning, logistics coordination, and post-move support to minimize disruption during office relocations.
Videos
Reviews (2)
Jeff Paggett
Sep 14, 2020 Report
Positive:Professionalism,Responsiveness,Value
Consultation for landscaping, garage doors (color, finish and budget) - install.
Vipul Patel
Sep 14, 2019 Report
Cindy. Thank you for your outstanding customer service. I have not enough word to thank you enough, but I am sure Tessier design will be a company anyone should look for if they need any designing work for their projects. Thank you deeplt