Stern Architekten

What Stern Architekten does

Stern Architekten is a privately held German architecture and interior design practice founded in 2002 by Torsten Stern, headquartered in Hamburg-Ottensen with a regional office in Berlin-Mitte. The firm delivers full architectural services across Leistungsphasen 1–9, with a stated specialization in modern workplace design, office revitalizations, and heritage building renovations. Its project portfolio spans commercial offices, healthcare facilities, premium retail/wellness, residential, and cultural buildings, with notable enterprise clients including Carnival Maritime (3,200m² fleet operations center, Hamburg HafenCity), Wempe (3,700m² office and watch workshop in Stubbenhuk Kontorhaus), vfa pharmaceutical association (1,800m², Berlin Q205), Carlsen Verlag, VALUES Real Estate, and LUTZ ABEL.

The firm monetizes primarily through project-based professional services fees, quote-based and tailored to each engagement, with no publicly disclosed pricing structure. Its go-to-market relies on referrals, direct enterprise engagement, and reputational visibility generated through a-tour architecture tours, the annual Architektur Plan Hamburg guide, and authorship within the Guiding Architects international network covering 20 cities. A 2025 partnership with loop GmbH on the vfa Berlin project demonstrates a co-delivery model for larger mandates beyond the firm's own headcount capacity.

Operationally, the practice is small (1–10 employees) and owner-led by Torsten Stern, with no external investment, parent entity, or subsidiary structure. Its operating geographies are concentrated in Hamburg, Berlin, and Bremen. Beyond core architectural services, Stern Architekten operates adjacent revenue streams through a-tour guided tours and architecture publications, which serve both as marketing channels and as standalone products diversifying the firm's professional services revenue base.

Name

Stern Architekten

Legal name

Stern Architekten

Website

https://stern-architekten.de

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

1–10 employees

Short description

Stern Architekten is a Hamburg-based architecture and interior design practice founded in 2002, delivering office, healthcare, retail, and heritage renovation projects for enterprise clients across Hamburg and Berlin from a 1–10 person team.

Ownership category

akta.pro rank

Headquarters

HQ city

Hamburg

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Revenue model

1. Architectural Design Services: The firm generates revenue through architectural design and interior architecture services, including project development, planning, and execution across all phases of construction (Leistungsphasen 1-9 as referenced in project data). Revenue is derived from professional services fees for commercial, residential, healthcare, and retail projects.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Stern Architekten is a Hamburg-based architecture firm that provides professional architectural design and planning services (Leistungsphasen 1-9) covering new construction, revitalization, and heritage-listed building renovation. Core work is concentrated on customized modern office and workplace designs developed in close client dialogue, alongside commercial, healthcare, retail, and residential interior architecture projects in Hamburg, Berlin, and Bremen. Supplementary offerings include architecture tours (a-tour), authored publications, and real estate consulting for property marketing and district development.

Product overview

Stern Architekten is a Hamburg-based architecture firm founded in 2002 that provides architectural design services, specializing in office environments, DaySpa facilities, medical practices, and residential buildings. The firm operates a single unified service offering centered on architectural planning and design, supplemented by the a-tour architecture tour service, the Architektur Plan Hamburg publication, and the internationally-networked Guiding Architects architecture guide. Services range from new construction to revitalization and heritage building renovation, with additional real estate consulting for property marketing and district development strategies.

Differentiator

Problem solved

Functional benefit

Products and services

• Bürodesign (Office Design) Comprehensive architectural office design service for corporate clients, covering new builds, revitalizations, and heritage building renovations through close client dialogue and multi-disciplinary coordination.
• Immobilienberatung (Real Estate Consulting) Consulting service developing efficient marketing concepts for real estate across different lifecycle stages and strategies for district (quarter) development, provided to real estate owners and developers.
• a-tour (Architecture Tours Hamburg) Guided architecture tours of current Hamburg building projects and urban development contexts, conducted by Stern Architekten's own specially trained architects for visitors from Germany and abroad.
• Architektur- und Fachreisen (Architecture and Specialist Travel) Architecture and specialist travel programs organized worldwide through the guiding-architects network, designed for professionals, enthusiasts, and culturally interested individuals.

Named customers8 records

Segments3 records

Ideal customer profiles3 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.

• loop GmbH – creating placesminorStrategic or Co-development Partner · 1 January 2025Collaboration on the vfa project in Berlin Q205 building. Stern Architekten worked with loop GmbH on planning phases 1-3 (LP 1-3) for the pharmaceutical association's 1,800m² office space.

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Sauerbruch Hutton: Berlin-based architecture firm of similar scale with strong office and commercial portfolio. Comparable in client profile and project typology in the German architecture market.
• M Moser Associates: Global workplace design and architecture firm specializing in office interiors and workplace strategy. Directly comparable business model focused on corporate office design with similar enterprise client base.
• Barkow Leibinger: Berlin and Boston-based architecture firm of comparable size specializing in commercial, cultural, and workplace projects. Direct competitor for office and commercial commissions in the German market.
• Kuehn Malvezzi: Berlin-based architecture firm with similar scale and focus on cultural, commercial, and office projects. Comparable in operating model, geographic market overlap, and project typology.
• IA Interior Architects: Global workplace-focused architecture and interior design firm. Directly comparable in workplace design specialization, enterprise client targeting, and interior architecture services that overlap with Stern's Bürodesign offering.

Broad incumbents

• HPP Architekten: Larger established German architecture practice with broad portfolio across offices, healthcare, retail, and residential. Overlaps with Stern Architekten's segments but operates at significantly greater scale.
• David Chipperfield Architects: Berlin-based internationally renowned architecture firm with cultural and commercial portfolio. Competes for high-profile Berlin commercial commissions and shares the Berlin office market overlap.
• Ingenhoven Architects: Düsseldorf-based architecture firm with global practice and strong office/workplace portfolio. Comparable in workplace design specialty but operates at significantly larger scale internationally.
• GMP Architekten: Major German architecture incumbent with global footprint and broad typology coverage including offices, cultural, and commercial buildings. Competes for the same Hamburg-Berlin commercial commissions but at enterprise scale.

Regional players

• UNStudio: Amsterdam-headquartered architecture firm with strong presence across Europe including Germany. Comparable in workplace and commercial project focus but headquartered outside Stern's primary markets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/sternarchitekten
• LinkedInlinkedin.com/company/sternarchitekten

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 Stern Architekten