Grinham Architects
Grinham Architects is a Guelph, Ontario-based sole-proprietor architecture firm founded in 1993, delivering sustainable design, heritage conservation, and adaptive-reuse services across multi-residential, commercial, institutional, heritage, industrial, and structures projects for southwestern Ontario clients.
- Company typePrivate
- Founded1993
- HeadquartersGuelph, Canada
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Grinham Architects does
Grinham Architects is a privately held, sole-proprietor architectural firm headquartered in Guelph, Ontario, founded in 1993 by Lloyd Grinham. The firm delivers end-to-end architecture and consulting services across six project categories — multi-residential, commercial, institutional, heritage, industrial, and structures — for clients in southwestern Ontario including school boards (Waterloo Catholic, St. Clair Catholic), municipalities (City of London, Municipality of West Perth), the University of Western Ontario, wineries, hotel operators, and multi-residential developers. Service coverage spans schematic design, design development, construction documentation, contract administration, and construction support, with disclosed construction values per project ranging from CAD 5M to CAD 40M.
The firm differentiates on sustainable design (LEED AP credentialed staff), heritage conservation (Lloyd Grinham's CAHP membership; credentials such as PMP for senior architects), and adaptive reuse, while deliberately avoiding singular specialization. Revenue is generated through professional-services fees, typically project-based on industry-standard percentage-of-construction-cost or hourly billing, with pricing negotiated per engagement. Go-to-market is sales-led and referral-driven, supported by a Squarespace portfolio website and 30+ years of project-completion reputation rather than dedicated marketing infrastructure.
The firm operates with a lean team of six professionals, with no disclosed subsidiaries, external investors, funding rounds, or geographic expansion beyond Ontario. Ownership and strategic control remain consolidated under the founder, with no announced succession or institutional backing.
Grinham Architects firmographics
Firmographics- Name
- Grinham Architects
- Legal name
- Grinham Architects
- Website
- https://grinham.ca
- Company type
- Private
- Founded year
- 1993
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Grinham Architects is a Guelph, Ontario-based sole-proprietor architecture firm founded in 1993, delivering sustainable design, heritage conservation, and adaptive-reuse services across multi-residential, commercial, institutional, heritage, industrial, and structures projects for southwestern Ontario clients.
- Ownership category
- akta.pro rank
Grinham Architects industry classification
Industry- Product category
- Architectural Services
- NAICS
- Architectural Services (541310), Architectural, Engineering, and Related Services (5413)
- SIC
- Services-Engineering, Accounting, Research, Management (8700)
- akta.pro primary industry
- Architectural Design Services (BPAHAKAA)
Keywords
Where Grinham Architects is headquartered
LocationHeadquarters
- HQ city
- Guelph
- HQ country
- Canada
- HQ region
- North America
Offices1 record
Markets served
Grinham Architects business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Architecture and Design Consulting Services: Grinham Architects generates revenue through professional architecture and consulting fees. As a traditional architecture firm, they provide comprehensive consulting services including schematic design, design development, construction documentation, contract administration, and construction support. Revenue is typically project-based, derived from percentage-based fees (industry standard) or hourly billing for professional services.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels1 record
Grinham Architects product offering
Product offeringCore offering
Grinham Architects provides comprehensive architectural design and consulting services from schematic design through construction documentation, contract administration, and construction support. The firm delivers projects across six categories — Multi-Residential, Commercial, Institutional, Heritage, Industrial, and Structures — for clients in southwestern Ontario, with specialization in sustainable design and heritage conservation. Project scope ranges from modest renovations to multi-million dollar mixed-use facilities valued at $5-40 million.
Product overview
Grinham Architects is an architectural firm offering comprehensive design and consulting services across six project categories: Multi-Residential, Commercial, Institutional, Heritage, Industrial, and Structures. Established in 1993 and led by Principal Architect Lloyd Grinham, the firm provides end-to-end architectural services from schematic design through construction documentation, contract administration, and construction support. The firm specializes in sustainable design incorporating green innovations and emphasizes efficiency, accountability, and cost management for projects ranging from modest renovations to large-scale mixed-use facilities.
Differentiator
Problem solved
Functional benefit
Products and services
- Multi-Residential Architectural Services Design and consulting services for multi-residential projects including student, seniors, cooperative, and condominium-style housing for developers and housing organizations.
- Commercial Architectural Services Design and consulting services for commercial building projects including hotels, studios, medical centres, and wineries for private commercial entities and healthcare providers.
- Institutional Architectural Services Design and consulting services for institutional buildings such as libraries, music centres, schools, and community facilities for municipalities, school boards, and public institutions.
- Heritage Conservation Services Specialized heritage conservation and adaptive re-use design services for heritage buildings and structures, anchored by the principal's Canadian Association of Heritage Professionals membership.
- Industrial Architectural Services Design and consulting services for industrial facilities including warehouses, garages, and hazardous waste depots for industrial operations and specialty commercial clients.
- Structures Design Services Design services for specialized structures including bike shelters, lookouts, beach houses, and outdoor installations.
Quantifiable outcome
- Multiple projects tendered well within estimated construction budgets
- +1 more outcomes
Companies that use Grinham Architects
Customer profileNamed customers6 records
Segments4 records
Ideal customer profiles3 records
Grinham Architects technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Grinham Architects partnerships and signals
Strategic signalScale indicators2 records
Recent moves4 records
Expansion highlights2 records
Grinham Architects competitors and assessment
Company assessmentBroad incumbents
- KPMB Architects: Toronto-based architecture firm known for institutional and cultural projects with strong sustainability focus; comparable in service offering but operates at much larger scale with broader geographic reach.
- B+H Architects: Global architecture firm with Toronto roots offering comparable services across multi-residential, healthcare, commercial, and institutional sectors; significantly larger headcount and international footprint.
- Diamond Schmitt Architects: Toronto-based established architecture firm with comparable institutional, heritage, and sustainable design expertise; significantly larger and serves broader geographies including international projects.
Regional players
- Provencher Roy: Montreal-based architecture firm with comparable institutional, heritage, and sustainable design capabilities; serves different Canadian geography (Quebec primarily) but similar mid-size professional services model.
Direct peers
- Teeple Architects: Toronto architecture practice with comparable sustainable design focus and institutional expertise; similar boutique-to-mid scale serving Canadian public and private clients.
- MacLennan Jaunkalns Miller Architects (MJMA): Toronto-based architecture firm specializing in institutional, recreational, and multi-residential projects; comparable size and Ontario public-sector client base.
- Dialog Design: Toronto-based architecture practice with strong sustainable design credentials and comparable multi-residential, institutional, and commercial expertise; operates at similar boutique-to-mid scale.
- Moriyama Teshima Architects: Toronto-based architecture firm with comparable heritage conservation and institutional expertise; similar reputation-driven business model serving Ontario public-sector clients.
- Montgomery Sisam Architects: Toronto architecture firm with comparable institutional, heritage, and multi-residential expertise; similar mid-size boutique model serving Ontario public-sector clients.
- Williamson Williamson: Toronto-based architecture firm with comparable heritage, institutional, and adaptive reuse expertise; similar boutique scale and reputation-driven GTM.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat3 records
Key risks6 records
Key highlights6 records
Customer concentration
Grinham Architects social profiles
Digital presenceGrinham Architects compliance and trust
Trust signalCompliance2 records
Grinham Architects financial estimates
Financial estimateRevenue estimate
Valuation estimate
Grinham Architects leadership team
Management profileNumber of profiles
Profiles6 records
Grinham Architects funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Grinham Architects M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Grinham Architects
What does Grinham Architects do?
Grinham Architects provides comprehensive architectural design and consulting services from schematic design through construction documentation, contract administration, and construction support. The firm delivers projects across six categories — Multi-Residential, Commercial, Institutional, Heritage, Industrial, and Structures — for clients in southwestern Ontario, with specialization in sustainable design and heritage conservation. Project scope ranges from modest renovations to multi-million dollar mixed-use facilities valued at $5-40 million.
Is Grinham Architects a public or private company?
Grinham Architects is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Grinham Architects founded?
Grinham Architects was founded in 1993. It employs 1 to 10 people.
Where is Grinham Architects based?
Grinham Architects is headquartered in Guelph, Canada, in the North America region.
How does Grinham Architects make money?
One revenue line is on record: architecture and Design Consulting Services.
Who are Grinham Architects's main competitors?
Broad incumbents on record are KPMB Architects, B+H Architects and Diamond Schmitt Architects. Provencher Roy is listed as a regional player. Direct peers are Teeple Architects, MacLennan Jaunkalns Miller Architects (MJMA), Dialog Design, Moriyama Teshima Architects, Montgomery Sisam Architects and Williamson Williamson.
Does Grinham Architects have an API?
No public API is recorded for Grinham Architects.
What industry is Grinham Architects in?
Grinham Architects's product category is Architectural Services. Its primary akta.pro industry code is BPAHAKAA, Architectural Design Services. Its NAICS code is 541310 and its SIC code is 8700.