Grassi Design Group

What Grassi Design Group does

Grassi Design Group is a privately-held, Boston-based architectural firm founded in 1981 by principal architect Guy Grassi, operating from a deliberately small 10-person office in the city's South End. The firm provides full-service architectural design spanning master planning, technical services, and construction management across four practice areas: single-family residential, multi-family residential, boutique commercial, and resort/hotel developments. Its core differentiator is principal-led delivery — Guy Grassi personally manages every project from concept through construction completion — marketed explicitly against larger firms that delegate to junior staff. The firm holds NCARB licensure in 10 states and serves clients across the United States and Europe.

The business runs on a project-based professional services model with custom-quoted fees per engagement and multi-year contract cadence. Revenue derives from architectural design fees for high-net-worth homeowners, real estate developers, and institutional clients (including Amherst College, Carr Foundation, City of Denver, House of Blues Corporation). Notable repeat clients include developer Pritam Singh (multiple Florida resorts) and David Mugar (multiple residential projects across Massachusetts and Nantucket). The firm's technology foundation centers on historic preservation expertise, Art Deco modernization, sustainable building systems (geothermal, solar, LED, LEED-accredited practices), and integrated design coordination through its sister company, Beauchemin-Grassi Interiors, established in 1997 with co-founder Lucie Beauchemin.

Grassi Design Group markets primarily through its portfolio reputation, editorial coverage in Architectural Digest, the New York Times, and the Boston Globe, and direct referrals rather than outbound sales. The firm is intentionally capacity-constrained, having downsized from a peak of 27 employees in the mid-1980s to focus on high-end, quality-driven engagements. It has no external institutional investors, no subsidiaries, no M&A activity, and operates without disclosed financial metrics.

Name

Grassi Design Group

Legal name

Grassi Design Group

Website

https://grassides.com

Company type

Private

Founded year

1981

Operating status

Operating

Headcount range

1–10 employees

Short description

Grassi Design Group is a 10-person, Boston-based boutique architectural firm founded in 1981 by principal architect Guy Grassi, providing principal-led design and construction management for high-net-worth homeowners, real estate developers, and institutional clients across single-family, multi-family, boutique commercial, and resort projects in the U.S. and Europe.

Ownership category

akta.pro rank

Headquarters

HQ city

Boston

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Architecture and Design Professional Services: The firm generates revenue through professional service fees for architectural design, master planning, full technical services, and consultant and contractor management from project inception through construction completion. Fees are project-based, typically quoted per engagement for residential, multi-family, commercial, and resort/hotel projects.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Grassi Design Group delivers full-service architectural design — master planning through full technical services — for single-family residences, multi-family developments, boutique commercial projects, and resorts/hotels across the United States and Europe. Principal architect Guy Grassi personally manages every project from idea to building, with services extending through consultant and contractor management into post-completion. The firm integrates sustainable practices (solar, geothermal, LEED) and deep historic-style expertise with contemporary design sensibilities.

Product overview

Grassi Design Group is a 10-person architectural firm offering a unified suite of services centered on high-end residential and commercial architecture. The core offering is Architectural Design Services, which encompasses master planning through full technical services and post-construction consulting. This core service is delivered through specialized practice areas including Single-Family Residential Design, Multi-Family Residential Design, Resort and Hotel Design, and Commercial Projects. A complementary sub-brand, Beauchemin Grassi Interiors (sister company established 1997), extends the portfolio to encompass full-spectrum interior design. The firm also offers Sustainable/LEED Design Services as an integrated capability within its architectural practice. Together, these offerings enable Grassi Design Group to provide comprehensive project delivery from site analysis through construction management for clients across New England, Florida, and other U.S. locations.

Differentiator

Problem solved

Functional benefit

Products and services

• Architectural Design Services Full-service architectural design covering master planning through full technical services, from project inception through construction management and post-completion consultant relationships. Serves as the firm's overarching service offering.
• Single-Family Residential Design Custom residential architecture for single-family homes and vacation residences, including historic renovations, classical revival restorations, and contemporary modernizations. Targeted at high-net-worth individual homeowners.
• Multi-Family Residential Design Multi-family and condominium development design services including conversions, renovations, and new construction for residential buildings and urban developments. Targeted at real estate developers of condominium and multi-family projects.
• Resort and Hotel Design Hospitality-focused architectural design for boutique resorts, hotels, and vacation properties, including master planning for mixed-use resort developments. Targeted at hospitality developers and resort operators.
• Commercial Projects Boutique commercial architecture including office space, high-end retail, restaurant establishments, and adaptive reuse of historic buildings. Targeted at high-end commercial and institutional clients.

Quantifiable outcome

• The Peabody and Stearns Condominium Conversion achieved highest price per square foot paid to date in Boston for the penthouse unit.
• +2 more outcomes

Named customers14 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Beauchemin-Grassi InteriorscoreStrategic or Co-development Partner · 1 January 1997Beauchemin-Grassi Interiors is a sister company to Grassi Design Group, established in 1997. Guy Grassi and Lucie Beauchemin (business and life partners) share an office and a collaborative vision. The partnership provides clients with a complete spectrum of high-end design services — both architectural and interior design — under coordinated leadership. This collaboration ensures no purchasing mark-up, no communication breakdowns, and no power struggles between architect and interior designer, enhancing the client experience. The two firms coordinate and collaborate on many projects to create vibrant homes, efficient offices, and elegant hotels and resorts both inside and out.

Scale indicators3 records

Recent moves5 records

Expansion highlights3 records

Direct peers

• Historical Concepts: Atlanta-based firm with deep expertise in classical, vernacular, and historic-inspired residential and resort design. Highly comparable to Grassi in combining single-family custom homes, resort developments, and historic restoration work for premium clients.
• John B. Murray Architect: NYC-based architect focused on classical and traditional residential architecture, townhouses, and apartments for private clients. Comparable boutique practice with principal-led delivery and HNW clientele similar to Grassi.
• Steven Gambrel: New York designer and architect integrating architecture and interiors for high-end urban and country residences. Comparable to Grassi for the combined architecture-plus-interior-service model that mirrors Beauchemin-Grassi Interiors.
• Ferguson & Shamamian Architects: New York and California firm designing classically inspired private residences, country houses, and institutional buildings. Comparable to Grassi in traditional/historic vocabulary, principal involvement, and HNW homeowner segment focus.
• Peter Pennoyer Architects: NYC-based classical architecture firm specializing in high-end residential, historic preservation, and bespoke townhouse commissions. Most direct comparable to Grassi's principal-led, classical/traditional high-end residential practice with strong historic-renovation credentials.

Emerging players

• Cullman & Kravis: New York interior design firm specializing in high-end residential and country-house interiors with a classical sensibility. Relevant peer for Beauchemin-Grassi Interiors and for the integrated architecture/interiors delivery model Grassi offers.
• Lichten Craig: Architecture and interior design firm in New York focused on high-end residential projects combining historic preservation with contemporary interiors. Comparable to Grassi for its integrated architecture + interiors approach and traditional/preservation expertise.
• Alexa Hampton: High-end interior designer known for classical residential and hospitality projects. Comparable to Beauchemin-Grassi Interiors in combining classical design vocabulary with luxury client delivery.

Broad incumbents

• Robert A.M. Stern Architects: Large, well-known New York firm with a substantial portfolio of classical and traditional luxury residential, hospitality, and multi-family projects. Overlaps Grassi's traditional vocabulary and HNW/multifamily client base but operates at much greater scale with multiple partners.
• Pei Cobb Freed & Partners: Major New York architecture firm with a broad portfolio spanning cultural, commercial, and high-end residential commissions. Overlaps Grassi on multi-family, commercial, and institutional projects but at vastly larger scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Grassi Design Group