What Grimm + Parker Architects does

Grimm + Parker Architects (legal entity Grimm + Parker Architecture, Inc.) is a privately-held architecture and planning firm founded in 1972, headquartered in Calverton, Maryland, with additional studios in Tysons and Charlottesville, Virginia. The firm employs approximately 100 professionals and generates revenue through project-based professional services fees, including architectural design, master planning, interior design, and construction administration. Pricing is project-specific and negotiated based on scope and complexity; the firm is not publicly traded and discloses no financial figures.

The firm's core offering is sustainable architectural design for public-sector and institutional clients in the mid-Atlantic region. Specializations span K-12 educational facilities, public libraries, civic and cultural buildings, higher education campuses, recreation centers, multi-family residential, and public safety facilities. Approximately 75% of the portfolio incorporates library design, and the firm requires all projects to qualify for at least LEED Silver certification, with a track record of 16.6 million square feet and $3.4 billion of certified green construction completed. Notable technical capabilities include Net Zero Energy school design with photovoltaic, geothermal, and real-time energy monitoring systems, as well as co-located facility design integrating libraries with recreation or senior services.

Go-to-market is enterprise field sales: direct relationship-based business development targeting school districts, county governments, community colleges, and universities, with project acquisition through RFP responses and long-cycle repeat engagements. The firm reports an 80% repeat-client rate, a 40-year partnership with Prince George's County Public Schools, and over 250 design awards across AIA, USGBC, A4LE, ASHRAE, and ULI. In 2024 the firm transitioned to new senior leadership (David Whale as CEO; Antonio Rebelo and Kieran Wilmes as Co-Presidents) while remaining independent with no disclosed parent, external investor, or M&A activity.

Name

Grimm + Parker Architects

Legal name

Grimm + Parker Architecture, Inc.

Website

https://grimmandparker.com

Company type

Private

Founded year

1972

Operating status

Operating

Headcount range

101–250 employees

Short description

Grimm + Parker Architects is a 50+ year-old, privately-held mid-Atlantic architecture firm of approximately 100 professionals delivering LEED-certified and Net Zero Energy design for K-12 schools, libraries, civic, higher education, recreation, and multi-family residential clients across Maryland and Virginia.

Ownership category

akta.pro rank

Product category

Architectural Services

NAICS

Architectural Services (54131), Architectural Services (541310), Interior Design Services (54141)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

akta.pro secondary industry

Interior Design Services (BPAHAKAB)

Keywords

• Sustainable architecture design
• Educational facility design
• Library architecture services
• LEED building design
• Civic architecture firm

Headquarters

HQ city

Calverton

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Architectural Design Services: Project-based architectural design fees for educational, civic, cultural, and residential projects. Revenue generated through design fees, project management, and construction administration services.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels7 records

Core offering

Grimm + Parker Architects provides comprehensive architectural design services from concept through construction administration, with a deep specialization in sustainable, high-performance buildings. Core offerings include design of K-12 schools, public libraries, civic and public safety buildings, higher education facilities, multi-family residential developments, and recreation/community centers, with all projects qualifying for at least LEED Silver certification.

Product overview

Grimm + Parker Architects is a sustainable architectural design firm offering comprehensive architectural services. The firm's portfolio includes specialized design practices for K-12 educational facilities (schools), public libraries, civic and public buildings, higher education institutions, multi-family residential developments, and recreation/community centers. Approximately 75% of the firm's work incorporates library design, and all projects qualify for at least LEED silver certification. The firm operates multiple studio locations and has delivered over $3.4 billion in certified green construction projects across 16.6 million square feet.

Differentiator

Problem solved

Functional benefit

Products and services

• Architectural Design Services Comprehensive architectural design services from concept through construction administration, delivered to government, institutional, and development clients across the Mid-Atlantic. Includes programming, schematic design, design development, construction documents, and construction administration for sustainable, high-performance buildings.
• K-12 Educational Facility Design Design of K-12 educational facilities including elementary, middle, and high schools, with expertise in 21st Century Learning Environments, STEM, and CTE programs. Includes new construction, renovations, additions, and adaptive reuse of urban schools for public school districts across the Mid-Atlantic.
• Library Design Specialized public library design services including standalone branch libraries and co-located facilities integrating libraries with community centers, recreation centers, and senior services for county and municipal library systems.
• Sustainable/Green Building Design Sustainable architectural design with LEED certification as a standard practice, including Net Zero Energy building design, LEED-certified facilities across certification levels (Silver, Gold, Platinum), and high-performance building envelope expertise. Led by a LEED Fellow Director of Environmental Design with experience on 85+ LEED-certified projects.
• Higher Education Design Design services for colleges and universities including classroom buildings, performing arts centers, student centers, workforce development facilities, and athletics venues across the Mid-Atlantic.
• Multi-Family Residential Design Design of multi-family affordable and market-rate housing, mixed-use developments, and student housing with a focus on sustainable, award-winning residential architecture, including LEED for Homes-certified projects for developers and housing authorities.
• Recreation and Community Center Design

Quantifiable outcome

• 80% of projects are for repeat clients
• +3 more outcomes

Named customers9 records

Segments6 records

Ideal customer profiles5 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.

• Landex CorporationcoreStrategic or Co-development PartnerLong-term development partner for residential projects including Studio 3807 Residences (147-unit mixed-use artist community, LEED-H Gold). Landex CEO provided testimonial praising firm's passion and creativity.
• Baltimore City Public SchoolscoreStrategic or Co-development PartnerPartnership on Net Zero Energy school buildings including Holabird Academy and Graceland Park-O'Donnell Heights ES/MS, Baltimore's first net zero school buildings.

Scale indicators5 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• VMDO Architects: Charlottesville, Virginia-based architecture firm specializing in K-12 educational facilities, student housing, and dining, with strong sustainability credentials. Highly comparable to G+P in geography (mid-Atlantic), scale (~75-100 employees), and K-12 focus — a direct competitor for the same school district RFPs in Virginia.
• Moseley Architects: Richmond, Virginia-headquartered architecture firm with deep K-12 public education practice and broader institutional work (higher education, public safety, civic). Comparable to G+P in scale, mid-Atlantic focus, and K-12 specialization — directly competing for Virginia school district and public-sector engagements.
• EwingCole: Philadelphia-based architecture, engineering, and interior design firm with strong higher education, healthcare, and institutional practices. Comparable to G+P in mid-Atlantic roots, integrated design services (architecture + interiors), and higher education/civic project portfolio.

Broad incumbents

• Cannon Design: Large national architecture and engineering firm with deep higher education, healthcare, and institutional practices. Competitively comparable to G+P in institutional markets (higher education, civic) but operates at significantly larger scale with broader geographic reach.
• DLR Group: National integrated design firm with strong K-12, higher education, and civic practices. Already collaborates with G+P (UVA Davenport Field) but is also a competitor for larger institutional pursuits; broader service portfolio and scale position DLR Group as a larger incumbent in G+P's core verticals.
• Perkins&Will: Global architecture and design firm with leading sustainability practice and deep higher education and civic portfolio. Competes with G+P for institutional and sustainability-driven projects, particularly larger higher education and civic pursuits across the mid-Atlantic.
• HOK: Global architecture, engineering, and planning firm with significant higher education, civic, and institutional practices. Directly comparable to G+P in higher education and civic markets but at substantially greater scale and with broader geographic reach.
• HKS: National architecture and design firm with strong civic, higher education, and institutional portfolio. Comparable to G+P in higher education and civic markets; larger scale and broader service portfolio make HKS a competitor for institutional pursuits G+P targets.
• SmithGroup: Washington, DC-headquartered integrated design firm with strong higher education, workplace, and institutional practices. Directly comparable to G+P in mid-Atlantic geography and higher education/civic focus, but with significantly larger scale and broader national footprint.

Emerging players

• Lake|Flato: San Antonio-based architecture firm nationally recognized for sustainable design and civic/institutional work. Comparable to G+P in sustainability-led practice philosophy and award-winning institutional design, though operating in different geography with residential and commercial emphasis.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/gparchitects
• YouTubevimeo.com/grimmandparker
• Facebookfacebook.com/GandPArchitects
• LinkedInlinkedin.com/company/954473
• Instagraminstagram.com/gp_architects

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles38 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 Grimm + Parker Architects