Ellenzweig

What Ellenzweig does

Ellenzweig is a privately held U.S. architecture and laboratory planning firm founded in 1965 by Harry Ellenzweig, headquartered in Boston, with additional offices in Wells, Maine, and New York. The firm specializes in technically complex facilities for science, engineering, and health sciences, serving colleges, universities, medical schools, and research institutions; the visible client base spans more than 100 institutions, including Harvard, MIT, Yale, Michigan State, Rutgers, and the Woods Hole Oceanographic Institution. Service offerings cover the full architectural lifecycle: feasibility studies, master planning, programming, laboratory planning, architectural design, and construction administration, delivered through direct principal-led client engagement and secured via RFPs, competitions, and long-term relationships.

The firm's core technical capabilities center on laboratory flexibility and sustainability. Proprietary design features include the overhead service grid system for re-configurable lab benches and student tables, the pioneering all-glass fume hood that became an industry standard, and the largest installation of filtering fume hoods in the world (at Framingham State University). The firm also delivers high-performance sustainable design, with reported outcomes including a 77% reduction in projected energy use across the portfolio (AIA 2030 Commitment), 1,856 metric tons of CO2 sequestered through a mass-timber structure at Michigan State, and 79% lower pEUI than the national average at Massachusetts Maritime Academy. Underlying platforms and processes include BIM management, sustainability modeling, and collaborative design among 11-50 staff.

Ellenzweig operates as a professional services firm under an employee-ownership model established in 2004, with no outside investors or parent company disclosed. Revenue is generated through project-based architecture and design fees, primarily from higher education and medical/health sciences clients, with no publicly disclosed pricing tiers. Marketing is concentrated in organic social channels, a corporate news/blog presence, and earned media through industry awards. The firm holds numerous sustainability and design awards from bodies including AIA (state and national chapters), I2SL, U.S. WoodWorks, Forest Stewardship Council, the Associated General Contractors, and ENR, signaling a competitive positioning centered on technical complexity, laboratory flexibility, and environmental stewardship.

Name

Ellenzweig

Legal name

Ellenzweig

Website

https://ellenzweig.com

Company type

Private

Founded year

1965

Operating status

Operating

Headcount range

11–50 employees

Short description

Ellenzweig is a Boston-based architecture and laboratory planning firm that designs science, engineering, and health sciences facilities for more than 100 U.S. colleges, universities, medical schools, and research institutions, with a focus on flexible lab design and high-performance sustainability.

Ownership category

akta.pro rank

Product category

Architectural Design Services

NAICS

Architectural Services (541310), Architectural Services (54131), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

akta.pro secondary industry

Building Information Modeling (BIM) & Digital Design Services (BPAHAKAK)

Keywords

• Laboratory architecture design
• Science facility planning
• Engineering building design
• Health sciences architecture
• Higher education facilities

Headquarters

HQ city

Boston

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Revenue model

1. Architecture and Design Services: Ellenzweig generates revenue through professional architecture and design fees for planning and designing science, engineering, and health sciences facilities. Services include feasibility studies, master planning, programming, design, construction administration, and laboratory planning. Projects are primarily for higher education institutions, medical schools, and research organizations.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Ellenzweig is an architectural planning and design firm specializing in science, engineering, and health sciences facilities. Founded in 1965 and based in Boston, the firm provides professional architecture services including feasibility studies, master planning, programming, lab planning, architectural design, and construction administration for academic and institutional clients building complex research and teaching environments.

Product overview

Ellenzweig is an architecture firm that provides full architectural services for science, engineering, health sciences, and infrastructure facilities. Services include feasibility studies, master planning, programming, lab planning, architectural design, and construction administration. The firm does not offer discrete software products or modules; its offering is a service-based practice specializing in the design of technically complex research and teaching facilities for colleges, universities, and institutions.

Differentiator

Problem solved

Functional benefit

Products and services

• Architectural Design Services

Quantifiable outcome

• 77% reduction in projected energy use across project portfolio (AIA 2030 Commitment)
• +5 more outcomes

Named customers15 records

Segments4 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Twelve partnerships are on record, tiered core.

• McCarty ArchitectscoreStrategic or Co-development PartnerCollaborated with McCarty Architects as Architect of Record on University of Mississippi Duff Center for Science and Technology Innovation project.
• IDScoreStrategic or Co-development PartnerIDS served as Architect of Record and Designer of Power Plant Renovation for Michigan State University STEM Complex project.
• Clarke Caton HintzcoreStrategic or Co-development PartnerClarke Caton Hintz collaborated as Architect of Record on Rutgers University Ernest Mario School of Pharmacy Building Addition.
• WBRCcoreStrategic or Co-development PartnerWBRC served as Architect of Record on University of Maine Ferland Engineering Education and Design Center project.
• Weber Murphy FoxcoreStrategic or Co-development PartnerWeber Murphy Fox served as Architect of Record on Cuyahoga Community College STEM Center project.
• Vanderweil EngineerscoreTechnology or IntegrationPartnered with Vanderweil Engineers on Yale Neuroscience Institute project for interconnected efficient lab design.
• Division of Capital Asset Management and Maintenance (DCAMM)coreStrategic or Co-development PartnerDCAMM engaged Ellenzweig for programming, lab planning, design, and construction administration services for Massachusetts Maritime Academy project.
• OPNcoreStrategic or Co-development PartnerOPN collaborated as architecture firm on Iowa State University Coover Hall expansion project.
• Freeman French FreemancoreStrategic or Co-development PartnerFreeman French Freeman served as Architect of Record on University of Vermont Votey Hall Engineering Building Renovations.
• EOP ArchitectscoreStrategic or Co-development PartnerEOP Architects collaborated as Architect of Record on University of Kentucky College of Pharmacy Biological Pharmaceutical Complex.
• GWWOcoreStrategic or Co-development PartnerGWWO served as Architect of Record on Community College of Baltimore County Carol D. Eustis Center for Health Professions.
• URScoreStrategic or Co-development PartnerURS collaborated on Michigan State University Secchia Center for Medical Education project.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Ballinger: Architecture and engineering firm with deep specialization in research, healthcare, and academic laboratory design for universities and medical schools — comparable in technical complexity and project scale.
• Flad Architects: Architecture firm with a focused science-and-technology and health-sciences practice delivering research facility and STEM-building design for universities and research institutions — a close direct peer.
• Payette: Boston-based architecture firm specializing in science, medical, and research facility design for academic and healthcare institutions — directly comparable in scale, geography, and laboratory-design focus.
• ZGF Architects: National architecture firm with a substantial research-and-laboratory practice that designs science and medical research buildings for universities and research institutions — comparable in project type and complexity.
• EwingCole: Design firm with a dedicated science-and-engineering and higher-education practice that plans and designs research and laboratory facilities for major universities — overlapping in target clients.
• SmithGroup: National architecture firm with a deep science, technology, and higher-education practice that designs research laboratories and medical facilities for universities and research institutions — a direct competitor for the same client base.
• Perkins&Will (Perkins Eastman): Global architecture practice with a large science-and-technology and higher-education studio delivering laboratory and research facility design for major universities — directly comparable client roster and project typology.
• CannonDesign: Integrated design firm with a prominent education and health-sciences practice that plans and designs STEM buildings and research facilities for top-tier universities and medical schools — overlapping in target clients and project types.

Broad incumbents

• HDR: Large global AEC firm with a dedicated science-and-research architecture practice serving universities, government, and research clients — a broader incumbent competing for the same institutional science projects.
• HOK: Global AEC firm with a higher-education and science-and-technology practice that designs research facilities and STEM buildings for major universities — a broad incumbent competitor for the same institutional projects.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/ellenzweigarch
• Facebookfacebook.com/EllenzweigArchitects
• LinkedInlinkedin.com/company/ellenzweig
• Instagraminstagram.com/ellenzweig.architects

Compliance28 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 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 Ellenzweig