HapstakDemetriou+

What HapstakDemetriou+ does

HapstakDemetriou+ is an architecture and interior design firm headquartered at 2000 S Street NW, Washington, DC 20009. The firm provides design services across hospitality, restaurant, residential, office, retail, and non-profit sectors, with a documented specialization in restaurant and hotel interiors. Its client portfolio includes premium hospitality brands (Mandarin Oriental, Ritz Carlton, Mohegan Sun, Hotel Dupont, Park Chelsea) and a roster of chef-driven and growth-stage restaurant operators (Rose's Luxury, Zaytinya, Oyamel, Pineapple & Pearls, Fiola Mare, CAVA, &pizza, Brooklyn Winery). The firm is privately held with no public financial disclosures.

The business operates as a professional services practice, generating revenue through project-based design engagements rather than software or product sales. Geographically, the firm is anchored in the Washington, DC / Mid-Atlantic market, with selective out-of-region project evidence including El Mercado De Paseo Caribe in Puerto Rico. The firm website carries a 2025 copyright, indicating current operations, and the practice continues to publish completed work across its verticals. No management team, headcount, funding events, or financial figures are disclosed in available materials.

The underlying technology stack and operational methodology are typical of a boutique architecture/interior design practice: spatial design, material specification, rendering, and project management delivered through standard AEC tooling. No proprietary platform, software product, or AI/ML capability is disclosed. Customer relationships are managed at the project level, with repeat engagements suggesting a reference-based business development motion within the DC restaurant and hospitality community.

Name

HapstakDemetriou+

Legal name

HapstakDemetriou+

Website

https://hd-ad.com

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

11–50 employees

Short description

Architecture and interior design firm based in Washington, DC, specializing in restaurant and hospitality interiors and serving premium hotel brands and chef-driven restaurant operators across the Mid-Atlantic region.

Ownership category

akta.pro rank

Product category

Architecture and Interior Design Services

NAICS

Interior Design Services (54141), Interior Design Services (541410), Architectural Services (54131)

SIC

Services-To Dwellings & Other Buildings (7340)

akta.pro primary industry

Residential Interior Fit-Out (Multi-Family & High-End) (IMAFANAE)

Keywords

• Architecture and interior design
• Hospitality design services
• Restaurant interior design
• Commercial space design
• Residential design services

Headquarters

HQ city

Washington

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

Distribution channels1 record

Marketing channels1 record

Core offering

HapstakDemetriou+ is an architecture and interior design firm providing comprehensive design services across hospitality, event spaces, quick service restaurants (QSR), casual dining, fine dining, retail, office and commercial, and residential projects. The firm delivers space planning, interior architecture, brand-aligned design, and experiential environment creation for clients primarily in the Washington, DC area and Mid-Atlantic region.

Product overview

HapstakDemetriou+ is an architecture and interior design firm offering services across multiple sectors including hospitality, event spaces, quick service restaurants (QSR), casual dining, fine dining, retail, office and commercial, and residential projects. The firm serves as a single-service design consultancy rather than a software product company, with no discrete software products, modules, or technology offerings. Their portfolio encompasses restaurant design, hotel and hospitality projects, commercial office spaces, and high-end residential properties in the Washington, D.C. area.

Differentiator

Problem solved

Functional benefit

Products and services

• Hospitality Design Architectural and interior design services for hospitality venues, with a portfolio that includes Mandarin Oriental, Ritz Carlton, Mohegan Sun, Hotel Dupont, and Park Chelsea. Designed for hotel brands and hospitality operators.
• Fine Dining Design Interior design services for fine dining restaurants, with portfolio engagements including Rose's Luxury, Zaytinya, Oyamel, Pineapple & Pearls, and Fiola Mare. Designed for chef-driven and upscale restaurant operators.
• Casual Dining Design Interior design services for casual dining establishments, with portfolio engagements including CAVA, &pizza, Nando's Peri-Peri, Call Your Mother, Casa Tua Cucina, On Rye, Mussel Bar, La Collina, Barca, and Bread Furst. Designed for casual and fast-casual restaurant operators.
• Quick Service Restaurant (QSR) Design Architectural and interior design services for quick service restaurant concepts. Designed for QSR operators and emerging fast-service brands.
• Event Space Design Interior architectural design services for event spaces, with portfolio engagements including Brooklyn Winery, District Winery, Denver Winery, Smoke House Live, L'Ardente, and El Mercado De Paseo Caribe. Designed for experiential venue operators.
• Retail Design Interior design and brand experience environment services for retail spaces. Designed for retail brands and store operators.
• Office & Commercial Design Commercial interior architecture services, with portfolio engagements including Aspire Design, Bonner Group, Hahn Loeser Parks, Media Matters, and One Eight Distilling. Designed for organizations undertaking office fit-out and commercial interior projects.
• Residential Design Luxury residential interior design and high-end residential architecture services, with portfolio engagements including Turnberry Tower, 2501 M Street, Forest Hill Residence, Foxfield Residence, and Perla (810 O Street). Designed for owners of luxury residential properties.
• Non-Profit Facility Design Institutional space design for non-profit and cultural organizations, with portfolio engagements including PeaceTech, Rubin Museum, Washington Ballet, and Little Folks School. Designed for non-profit institutions and cultural organizations.

Named customers40 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves2 records

Expansion highlights2 records

Broad incumbents

• Rockwell Group: New York-based architecture and design firm known for landmark hospitality, restaurant, and entertainment interiors (e.g., Nobu, W Hotels). Direct overlap with HD+ on restaurant/hospitality interior design, but at much larger scale and with broader global reach.
• Yabu Pushelberg: Globally recognized design firm with deep hospitality and luxury residential portfolios (Four Seasons, Edition, Lane Crawford). Comparable in luxury hospitality design ethos to HD+, but at significantly larger global scale.
• Wimberly Interiors: Global hospitality interior design practice (part of WATG) with deep hotel, resort, and restaurant portfolios. Comparable to HD+ in hospitality interior design but operating at significantly larger global scale.

Direct peers

• AvroKO: Hospitality-focused design firm creating restaurants, hotels, and residential interiors (e.g., The Breslin, Saxon Hotel). Most directly comparable to HD+ in mission, vertical focus, and boutique scale, with deeper international footprint.
• Studio Munge: Toronto-based interior design firm renowned for luxury hotel, restaurant, and residential projects. Highly comparable to HD+ in hospitality-centric boutique design model and high-end restaurant portfolio.
• CetraRuddy: New York architecture and design firm with work spanning residential, hospitality, and commercial interiors. Comparable to HD+ in providing integrated architecture and interior design for mixed-use and residential projects.
• Meyer Davis Studio: New York design studio specializing in hospitality, residential, and commercial interiors with a portfolio spanning hotels, restaurants, and luxury residences. Closely aligned with HD+ on hospitality-led multi-vertical design services.
• Bill Rooney Studio: New York interior design firm specializing in hotels, restaurants, and residential projects (e.g., The Dominick, The Greenwich Hotel). Closely comparable to HD+ in boutique hospitality design focus and project-based client roster.
• Parts and Labor Design: Boutique hospitality design studio focused on hotels, restaurants, and branded environments. Closely comparable to HD+ in size, vertical specialization, and project-based delivery to restaurant and hotel clients.
• Michaelis Boyd Associates: UK-based architecture and interior design practice with strong hospitality portfolio (Soho House, The Hoxton). Comparable to HD+ in hospitality-led interior design model and brand-driven restaurant and hotel work.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat2 records

Key risks6 records

Key highlights5 records

Customer concentration

• Xx.com/HD_ADplus
• Facebookfacebook.com/HapstakDemetriou

Revenue estimate

Valuation estimate

Number of profiles

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 HapstakDemetriou+