Doyle Coffin Architecture

What Doyle Coffin Architecture does

Doyle Coffin Architecture LLC is a full-service architectural and interior design firm founded in 1973 by David D. Coffin and headquartered in Ridgefield, Connecticut, with a second office opened in Dover, New Hampshire in 2019. The firm is organized as a private LLC under second-generation principal ownership, with Peter T. Coffin and John M. Doyle serving as co-principals following the founder's death in 2020. Approximately ten staff support delivery across four primary verticals: residential, commercial, religious, and municipal/institutional design, with a portfolio of 67 documented projects spanning Connecticut, New York, Rhode Island, Massachusetts, New Hampshire, Vermont, Pennsylvania, and Florida.

The practice operates a vertically integrated design-build process, providing programming, planning, design development, construction documents, and construction administration in-house, and engaging structural, mechanical, electrical, civil, plumbing, landscape, and interior consultants as needed. Technology is conventional for boutique architecture: BIM, in-house 3D printing (MakerBot Z18), laser cutting (Glowforge), and CNC routing support design visualization and physical model production. The firm maintains architectural licensure in eight states and operates a sub-brand, Doyle Coffin Interiors, for dedicated interior design services.

The business model is professional services, project-based, with quote-based fees tied to project complexity, square footage, and scope; no standard rate card is publicly disclosed. Go-to-market is direct-to-client through principal-led consultative engagement, supplemented by referrals, Houzz, social media, blog content, and earned media (NBC Nightly News, AIA Connecticut awards, Americans for the Arts recognition). Client base spans high-end residential homeowners, country clubs (Waccabuc, Sleepy Hollow, Aspetuck Valley, Silver Spring), financial institutions (Fairfield County Bank, Union Savings Bank, Ridgefield Bank, New Milford Bank & Trust), religious institutions (Diocese of Bridgeport, multiple parishes), healthcare/nonprofit (Danbury Hospital, Fidelco Guide Dog, RVNA), retail (Adam Broderick, JoyRide, Ancona's), and civic projects (Aldrich Museum, Prospector Theater, Lounsbury House).

Name

Doyle Coffin Architecture

Legal name

Doyle Coffin Architecture LLC

Website

https://doylecoffinarchitecture.com

Company type

Private

Founded year

1973

Operating status

Operating

Headcount range

11–50 employees

Short description

Doyle Coffin Architecture is a second-generation, full-service architecture and interior design firm with offices in Ridgefield, Connecticut and Dover, New Hampshire, serving residential, commercial, religious, and municipal clients across the Northeast via principal-led, project-based professional services.

Ownership category

akta.pro rank

Product category

Architectural Services

NAICS

Architectural Services (54131), Interior Design Services (54141)

SIC

Non-Operating Establishments (9995)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

Keywords

• Architectural design services
• Residential architecture
• Commercial building design
• Religious facility architecture
• Municipal architecture

Headquarters

HQ city

Ridgefield

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Architectural Design Services: Project-based professional fees for comprehensive architectural services including programming, research, planning, design development, construction documents, and construction administration. Revenue is generated through individual project engagements across residential, commercial, religious, and municipal sectors.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels8 records

Core offering

Doyle Coffin Architecture is a full-service architecture and interior design firm providing programming, research, planning, design development, construction documents, and construction administration for residential, commercial, religious, and municipal projects across the Northeast United States. The firm supports complete project lifecycles, engaging structural, mechanical, electrical, civil, plumbing, landscape, and interior design consultants as needed, and operates a sister sub-brand, Doyle Coffin Interiors, for interior design services.

Product overview

Doyle Coffin Architecture is a full-service architecture and interior design firm offering residential, commercial, religious, and municipal architectural design services. The firm operates through its main brand, Doyle Coffin Architecture, which provides comprehensive architectural services, and its interior design division, Doyle Coffin Interiors. The firm manages a portfolio of 67 projects across six categories: Residential (31 projects), Commercial (8 projects), Community (10 projects), Financial (6 projects), Religious (9 projects), and Cabinetry (4 projects). Services span complete project support from programming and research through planning, design development, construction documents, and construction administration.

Differentiator

Problem solved

Functional benefit

Brands

• Doyle Coffin Interiors: Interior design services offered as a separate brand, with dedicated website at doylecoffininteriors.com

Products and services

• Doyle Coffin Architecture (Full-Service Architecture Practice) Full-service architectural design practice providing programming, research, planning, design development, construction documents, and construction administration for residential, commercial, religious, and municipal clients across the Northeast United States. Services include coordination with structural, mechanical, electrical, civil, plumbing, and landscape engineering consultants.
• Doyle Coffin Interiors Interior design services division of Doyle Coffin Architecture providing architectural interiors and space planning for residential and commercial projects, with a dedicated website at doylecoffininteriors.com.

Quantifiable outcome

• 67 completed projects in portfolio spanning residential, commercial, religious, and municipal sectors
• +1 more outcomes

Named customers19 records

Segments5 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

Four partnerships are on record, tiered minor and flagship.

• Breakfast WoodworksminorImplementation/ SI/ Consulting Partner · 28 August 2014Breakfast Woodworks, a millworker located in Guilford, CT, collaborated with Doyle Coffin Architecture on the Prospector Theater penny ceiling project. They used CNC machine to rout shallow divots into MDF panels for penny placement based on CAD drawings provided by the firm.
• Yorke ConstructionminorImplementation/ SI/ Consulting PartnerYorke Construction served as the general contractor for the Prospector Theater project, with their subcontractor Kane Construction handling the ceiling installation including the penny ceiling panels.
• Americans for the ArtsflagshipStrategic or Co-development PartnerDoyle Coffin Architecture received the national Arts and Business Partnership Award from Americans for the Arts in 2019 for their exceptional commitment to the arts through pro-bono design services, building committee participation, and support for cultural organizations in their community.
• SPHEREflagshipStrategic or Co-development PartnerSPHERE (Organization helping adults with developmental disabilities achieve their dreams) partnered with Doyle Coffin Architecture on the Prospector Theater project. The firm provided design services for this mission-driven non-profit movie theater that serves as a vocational training facility, and SPHERE members participated in the penny ceiling panel construction process.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Amenta Emma Architects: Hartford, CT-headquartered architecture firm of comparable scale, serving healthcare, higher education, civic, and commercial clients — directly competitive on institutional and commercial commissions in the Northeast.
• Centerbrook Architects & Planners: Connecticut-based (Centerbrook, CT) full-service architecture and planning firm of comparable size to Doyle Coffin, serving institutional, educational, religious, and residential clients — directly comparable on geography, scale, and project mix.
• Svigals + Partners: Connecticut-based architecture firm with a strong portfolio in educational, religious, and institutional projects — closely aligned with DCA's community, religious, and municipal segments.
• Newman Architects: New Haven, CT-based architecture firm providing services across residential, commercial, educational, and religious sectors — comparable mid-sized competitor serving the same Connecticut institutional client base.
• Tai Soo Kim Partners: Connecticut-based architecture firm providing design for cultural, educational, and residential projects; similar scale and Northeast regional footprint to DCA with comparable emphasis on craftsmanship and community-rooted work.
• Pickard Chilton Architects: New Haven, CT-based architecture firm specializing in commercial, institutional, and mixed-use design; a direct Northeast competitor for commercial and financial-sector commissions where DCA competes for clients like banks and country clubs.
• Beinfield Architecture: Connecticut-based architecture and planning firm with comparable portfolio mix in residential, institutional, and adaptive reuse projects; competes for similar Northeast clients and community-driven work.

Broad incumbents

• SLCE Architects: Mid-to-large New York architecture firm active in residential, commercial, and mixed-use work; competes with DCA on residential and commercial commissions across the broader Northeast region.
• Robert A.M. Stern Architects: Large, nationally recognized New York-based architecture firm with a strong residential, institutional, and country-club portfolio — competes with DCA for high-end residential and private-club commissions, but at materially greater scale.

Others

• Fletcher Thompson: Connecticut-based architecture and engineering firm where founder David D. Coffin previously worked before founding DCA in 1973; relevant as a historical lineage peer and a regional competitor for institutional and commercial commissions.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/DoyleCoffinArch
• YouTubeyoutube.com/channel/UCAEqzzxgB-J8petW849_rdw
• Facebookfacebook.com/DoyleCoffinArch
• LinkedInlinkedin.com/company/doyle-coffin-architecture-llc
• Instagraminstagram.com/doylecoffin

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 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 Doyle Coffin Architecture