What Steimle Architekten does

Steimle Architekten is a privately-held German architecture firm headquartered in Stuttgart (Marktplatz 6 und 10) with a second office in Überlingen on Lake Constance, organized as Steimle Architekten GmbH and a general-planning subsidiary called Steimle Architekten Generalplaner GmbH. The firm is family-managed by Thomas Steimle (founder and Managing Director) and Christine Steimle (Managing Director of the Generalplaner subsidiary), with five associates (Daniela Scholz, Birgit Wohlfart, Andreas Nothdurft, Carolin Müller, Jonathan Feldmann) holding senior positions across the two offices. It operates as a BDA-member firm with 40+ years of brand history, an 11-50 employee footprint, and a project portfolio spanning public buildings, cultural facilities, educational institutions, residential developments, and infrastructure.

The firm's core product is architectural design services delivered across eight project categories — Holzbau (timber construction), Kultur (cultural buildings), Bildung+Sport (education and sports), Wohnen (residential), Verwaltung (administrative), Infrastruktur (infrastructure), and Bestand (adaptive reuse) — with no technology platform or software product underneath. Its technical differentiation rests on site-specific design philosophy, atmospheric architectural outcomes, timber construction expertise, and adaptive reuse of historic structures, supported by an ecosystem of structural, landscape, and energy-consulting partners (Engelsmann Peters, Koeber Landschaftsarchitektur, Planstatt Senner, ee-concept, Rentschler und Riedesser). Revenue is generated through professional-services fees billed according to the German HOAI (Honorarordnung für Architekten und Ingenieure) schedule, with rates tied to construction cost and project scope across HOAI work stages 1-9.

The firm's go-to-market relies primarily on architectural competitions — with 100+ documented competition entries and multiple first-prize wins — supplemented by direct commissions from repeat clients. Its customer base is concentrated in German municipal and regional government (City of Überlingen, City of Fulda, Community of Remchingen, District Bad Kissingen, City of Radolfzell) with selected enterprise and institutional clients (SWR broadcasting, Sparkasse Rhein-Neckar Nord, STRENGER Holding, HTWG Konstanz). Geographic reach is concentrated in Baden-Württemberg with projects in Bavaria and Berlin and one international competition entry for the German Embassy in Canberra, Australia.

Name

Steimle Architekten

Legal name

Steimle Architekten GmbH

Website

https://steimle-architekten.com

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Steimle Architekten is a Stuttgart-based, BDA-member German architecture firm specializing in public buildings, cultural facilities, timber construction, and adaptive reuse, serving municipalities, government agencies, and select private developers through HOAI-priced design services and public architectural competitions.

Ownership category

akta.pro rank

Product category

Architectural Services

NAICS

Architectural Services (541310), Architectural Services (54131)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

akta.pro secondary industries

Religious & Cultural Building Construction (Places of Worship, Museums, Libraries) (IMAFACAH), Office & Corporate Building Construction (IMAFACAA)

Keywords

• Architectural design services
• Sustainable building design
• Timber construction
• Public building architecture
• Building renovation

Headquarters

HQ city

Stuttgart

HQ country

Germany

HQ region

Europe

Offices2 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: Steimle Architekten generates revenue through architectural design services for new construction and renovation projects. Services include full project development from competition entry through construction supervision (HOAI work stages 1-9), covering residential, commercial, public, cultural, and infrastructure projects.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

Steimle Architekten is a German architectural firm delivering comprehensive architectural design services for new construction and renovation projects across public, cultural, educational, residential, commercial, and infrastructure sectors. The firm provides full-service design from competition entry through construction supervision per HOAI work stages 1-9, with particular expertise in sustainable timber construction, concrete architecture, and adaptive reuse of historic buildings. Services are acquired through architectural competitions and direct commissions from municipalities, government agencies, and private developers.

Product overview

Steimle Architekten BDA is an architecture firm offering comprehensive architectural design services organized into eight main project categories: Holzbau (wood/timber construction), Kultur (cultural buildings), Bildung+Sport (education and sports facilities), Wohnen (residential), Verwaltung (office/administrative), Infrastruktur (infrastructure), and Bestand (building renovation). The firm specializes in public buildings, sustainable construction, and urban development projects. Their portfolio spans fire stations, cultural forums, libraries, schools, sports halls, residential complexes, office buildings, and visitor centers, delivered through both direct commissions and architectural competition victories.

Differentiator

Problem solved

Functional benefit

Products and services

• Holzbau (Timber Construction) Design Services Sustainable timber construction design services for sports halls, fire stations, residential buildings, and educational buildings using wood hybrid structures and wood construction expertise.
• Kultur (Cultural Buildings) Design Services Architectural design services for cultural facilities including forums, libraries, visitor centers, and multi-purpose halls for municipal and cultural clients.
• Bildung+Sport (Education and Sports) Design Services Architectural design services for educational and sports facilities including schools, sports halls, gymnasiums, and university buildings with a focus on sustainable and flexible spaces.
• Wohnen (Residential) Design Services Architectural design services for residential developments including single-family homes, apartment buildings, and mixed-use residential-commercial projects for private developers and individuals.
• Verwaltung (Office/Administration) Design Services Architectural design services for office and administrative buildings including municipal offices, district offices, and commercial office buildings for public and corporate clients.
• Infrastruktur (Infrastructure) Design Services Architectural design services for infrastructure projects including fire stations, rescue control centers, and broadcasting facilities for municipal and specialized clients.
• Bestand (Renovation and Adaptive Reuse) Design Services Architectural design services for renovation, conversion, and revitalization of existing buildings including historic structures such as barns, hotels, and administrative buildings while preserving character.
• Architectural Competition Services Participation and winning of architectural competitions for public and private clients across various building typologies, serving as the firm's primary project acquisition method.
• General Planning Services (Steimle Architekten Generalplaner GmbH) Comprehensive general planning services delivered through the Generalplaner subsidiary, providing integrated full-service design across HOAI work stages 1-9 for complex projects.

Named customers11 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered core and standard.

• Engelsmann Peters GmbHcoreImplementation/ SI/ Consulting PartnerStructural engineering partner collaborating on multiple projects including Sparkasse Mannheim, Innovation Centre Greentech Mannheim, visitor centers, and residential developments. Provides technical engineering services for building construction.
• Koeber LandschaftsarchitekturcoreImplementation/ SI/ Consulting PartnerLandscape architecture firm partner for numerous public projects including Fire Station Bonn, District Office Würzburg, Old Brick Factory Muehlacker, and multiple residential developments. Provides landscape design services.
• Planstatt SennercoreImplementation/ SI/ Consulting PartnerLandscape architecture partnership for projects including Markgräfliches Palais Karlsruhe, residential development Petershausen-West Constance, and hotel revitalization Stuttgart.
• Wick & Partner Architekten StadtplanercoreStrategic or Co-development PartnerUrban planning and architecture partner collaborating on HTWG Constance institute building project. Partnership combines architectural and urban planning expertise for campus development.
• Möhrle + Partner Freie LandschaftsarchitektenstandardImplementation/ SI/ Consulting PartnerLandscape architecture partner for Forum Königsbrunn competition entry and other projects. Provides landscape planning services.
• ee-concept GmbHcoreTechnology or IntegrationEnergy concept and sustainability consulting partner for multiple projects including Innovation Centre Greentech Mannheim, visitor center Sachsenhausen, and energy campus projects. Provides energy efficiency and sustainability engineering.
• Club L94 Landscape ArchitecturestandardImplementation/ SI/ Consulting PartnerLandscape architecture partner for projects including Areal Heerstraße Rottweil and Secondary School Überlingen.
• Rentschler und Riedesser Ingenieurgesellschaft mbHcoreImplementation/ SI/ Consulting PartnerEngineering partner for technical building systems on projects including Sparkasse Mannheim and Innovation Centre Greentech Mannheim.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• HPP Architekten: German architecture firm with comparable practice areas including public buildings, cultural facilities, and administrative projects. Strong competition-winning track record in German municipal and federal markets makes it a direct peer in public-sector architectural services.
• Barkow Leibinger: Berlin-based German architecture firm with strong public/cultural and timber construction expertise. Shares Steimle's design-quality focus and public-sector competition participation, with a stronger international profile.
• Max Dudler Architekten: Berlin/Zurich-based German architecture firm recognized for cultural, public, and administrative buildings. Comparable in the cultural-building competition space and shared focus on classical/contemporary design quality.
• Heinle, Wischer und Partner: Stuttgart-based German architecture firm specializing in public buildings, education, and urban projects. Geographic overlap and shared focus on public sector competitions make it a directly comparable mid-size practice.
• wulf architekten: Stuttgart-based German architecture firm focused on public buildings, schools, and community facilities. Multiple Steimle associates previously worked here, indicating a closely related practice profile and competitive overlap in Baden-Württemberg.
• ASTOC ARCHITECTS AND PLANNERS: Cologne-based German architecture and urban planning firm with public-sector focus, including office/administrative and cultural buildings. Comparable mid-to-large practice profile with similar competition-driven business model.
• Hascher Jehle Architektur: Berlin and Frankfurt-based German architecture firm with deep expertise in public, cultural, and educational buildings. Competes in similar municipal/district competition space and shares a public-sector orientation and award-winning profile.
• Kuehn Malvezzi Architects: Berlin-based architecture firm recognized for cultural, public, and institutional buildings with strong competition credentials. Comparable in typology mix and design-quality reputation, though larger and more internationally oriented.

Broad incumbents

• gmp Architekten: One of Germany's largest and most internationally recognized architecture practices, with deep public-sector and cultural building portfolios. Operates across many segments Steimle serves, but at significantly larger scale and global footprint.
• David Chipperfield Architects: Internationally renowned firm with a Berlin office and major cultural/public building portfolio including Bauhaus-related works. Operates at a much larger scale but is comparable in the cultural and public-building segment where Steimle also competes.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Instagraminstagram.com/steimlearchitekten/?hl=de
• Facebookfacebook.com/Steimle-Architekten-100076222522349
• LinkedInlinkedin.com/company/steimle-architekten-gmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 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 Steimle Architekten