blumenstein +architekten gmbh

What blumenstein +architekten gmbh does

blumenstein +architekten gmbh is a Darmstadt-based German architecture firm (GmbH, registered HRB 98648 at Amtsgericht Darmstadt) that was established in 2017 as the legal successor to the 2008-founded office gottstein blumenstein architekten bda. The firm provides full-service architectural planning and construction management spanning consulting (Beraten), architecture planning (Planen), and construction supervision (Bauen), from preliminary study through to key handover, with additional partial-service offerings in execution planning, tendering, and construction management. It specializes in both new construction and renovation/heritage-sensitive work under monument protection, with deep expertise in sustainable building methods including passive house construction, timber construction (notably Frankfurt's first class-5 timber residential building), and energy-efficient standards such as Effizienzhaus 40 Plus.

The firm's core products are organized around building typologies — multi-family residential (Geschosswohnungsbau), schools, daycare/kindergarten facilities, community centers, churches, cultural buildings including museums, commercial buildings, and renovation/heritage conservation. Its competitive positioning combines an academic-artistic and craft-technical approach delivered by a flat-hierarchy team of approximately 12 permanent plus 5 freelance employees, including Diplom-Ingenieure, MSc architects, civil engineers, and draftspersons, with active junior training through a dual-study program.

Commercially, the firm operates a project-based professional services model priced under German HOAI fee structures, with revenues tied to public and institutional tenders. Its go-to-market is enterprise field sales targeting public sector bodies, housing cooperatives (e.g., Vonovia, Hofheimer Wohnungsbau, Gemeinnütziges Siedlungswerk Frankfurt, Wohnsinn), religious institutions (e.g., Ev. Emmausgemeinde), and corporate clients (e.g., R+V Versicherung AG). Geographic reach is concentrated in the Rhein-Main / Hessen region (Darmstadt, Frankfurt, Wiesbaden, Hofheim, Friedberg) with select projects extending into adjacent German states. The firm has won the Klimapreis der Stadt Darmstadt 2023, the Hessischer Denkmalpreis 2012, and multiple Tag der Architektur awards, and is a member of the Architektenkammer Hessen.

Name

blumenstein +architekten gmbh

Legal name

Blumenstein + Architekten GmbH

Website

https://blumenstein-arc.de

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

1–10 employees

Short description

blumenstein +architekten gmbh is a Darmstadt-based German architecture firm specializing in sustainable construction including passive house and timber building methods. It serves public sector clients, housing associations, religious institutions, and enterprises across the Hessen region, delivering full-service architecture planning and construction management from concept to handover.

Ownership category

akta.pro rank

Product category

Architectural Services

NAICS

Architectural Services (541310)

SIC

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

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

akta.pro secondary industries

Historic Preservation & Conservation Planning (BPAHAKAH), Historic Home Renovation & Preservation (HSAPAEAG)

Keywords

• Architectural planning services
• Construction management services
• Sustainable building design
• Heritage building renovation
• Public sector architecture

Headquarters

HQ city

Darmstadt

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Architectural services: Full-service architecture firm providing complete project management from preliminary study to key handover, including partial services in execution planning, tendering, and construction management. Services span renovation, restoration, heritage-sensitive work, and new construction across residential, educational, cultural, and religious building types.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

blumenstein +architekten gmbh is a Darmstadt-based architecture firm providing full-service architectural consultation, planning, and construction management (beraten, planen, bauen). Services span residential, educational, cultural, religious, commercial, and heritage buildings, covering new construction, renovation, and monument protection projects. Projects are delivered from preliminary study through to key handover, with partial services in execution planning, tendering, and construction supervision.

Product overview

blumenstein +architekten gmbh is an architecture firm offering a unified service platform centered on architectural planning and construction management. The portfolio consists of core service offerings (Consultation, Architecture Planning, Construction Management) supplemented by specialized building typologies including residential development, daycare facilities, schools, community centers, churches, cultural buildings, commercial buildings, and heritage conservation. Projects range from preliminary studies through to key handover, with partial services particularly in execution planning, tendering, and construction supervision. The company operates primarily for public clients, corporations, and cooperatives, with current focus areas being school construction and multi-family residential buildings.

Differentiator

Problem solved

Functional benefit

Products and services

• Architectural Consultation (Beraten) Advisory services for architectural and construction projects, providing expert consultation throughout the project lifecycle for public sector, institutional, and cooperative clients.
• Architectural Planning (Planen) Comprehensive architectural planning services from concept to execution for buildings and construction structures in both new construction and renovation projects.
• Construction Management (Bauen) Construction management services including execution planning, tendering, and construction supervision for projects from preliminary study through to key handover.
• Residential Development (Geschosswohnungsbau) Development and planning of multi-family residential buildings and housing complexes, including sustainable construction methods such as timber construction and energy-efficient standards.
• School Construction (Schulbau) Construction and expansion of school buildings, including sports halls and educational campus facilities for public sector clients.
• Daycare Facility Planning (Kindertagesstätten) Planning and realization of kindergarten and daycare facilities, from competition design to completion, including passive house construction standards.
• Church Building Architecture (Kirchenbauten) Construction, renovation, and restoration of churches and ecclesiastical buildings, including monument protection projects for religious institutions.
• Cultural Building Architecture (Kulturbauten) Museums and cultural facility construction and renovation, including historic building restoration for public and institutional clients.
• Community Center Planning (Gemeindezentren) Planning of community centers, parish halls, and municipal gathering spaces for municipalities and religious organizations.
• Commercial Building Architecture (Gewerbebauten) Planning and construction of commercial buildings including office complexes and industrial facilities for enterprise clients.
• Renovation and Heritage Conservation (Sanierung & Denkmalschutz) Restoration, modernization, and renovation projects under monument protection aspects, including heritage building preservation for historic structures.

Quantifiable outcome

• Over 50 supervised construction projects completed
• +1 more outcomes

Named customers10 records

Segments3 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Five partnerships are on record, tiered minor.

• Baufrösche Architekten und Stadtplaner GmbHminorStrategic or Co-development PartnerCollaborative partnership on school construction projects. Baufrösche served as planners for Grundschule Berkersheim and QuartierHochVier projects where blumenstein +architekten provided construction supervision.
• Conceptaplan GmbHminorStrategic or Co-development PartnerClient for Bad Vilbel residential development projects (Baufeld 810, 811, 829) where blumenstein +architekten provided tendering and construction supervision services.
• Stadt Gau-AlgesheimminorStrategic or Co-development PartnerClient for KiTa Gau Algesheim project, a daycare facility competition entry.
• LSK Architekten PartGmbBminorStrategic or Co-development PartnerCompetition collaboration for Gemeinschaftschule Blaubeuren project.
• Menges Scheffler Architekten PartG mbBminorStrategic or Co-development PartnerCollaboration on FAZ Frankenallee project, first timber construction in Frankfurt for residential building class 5.

Scale indicators3 records

Recent moves9 records

Expansion highlights5 records

Direct peers

• Bez+Kock Architekten: Stuttgart-based architecture practice of similar scale focused on public-sector, educational, and cultural building projects in Germany with comparable service range and project complexity.
• Menges Scheffler Architekten PartG mbB: Frankfurt-based architecture practice collaborating with blumenstein on the FAZ Frankenallee timber-construction residential project. Comparable in scale, regional focus, and specialization in sustainable and residential building typologies.
• Hascher Jehle Architektur: Berlin-based architecture practice with comparable mid-size scale and focus on construction, renovation, and sustainable building projects for institutional and public clients across Germany.
• astoc architects and planners: Cologne-based architecture and planning firm of comparable scale, working on public-sector building typologies including educational, residential, and cultural projects with emphasis on sustainable design.
• Baufrösche Architekten und Stadtplaner GmbH: Frankfurt-based architecture and urban planning firm collaborating with blumenstein on Grundschule Berkersheim and QuartierHochVier projects. Comparable in size, regional focus, and public-sector client base in the Rhein-Main area.
• pfeiffer.richter.architekten: Dresden-based architecture firm of comparable mid-size scale, working on public-sector and residential projects including heritage-sensitive work, with similar full-lifecycle service offerings.
• LSK Architekten PartGmbB: Architecture firm that partnered with blumenstein on the Gemeinschaftschule Blaubeuren competition. Comparable in size and focus on educational and public-sector building projects in Germany.

Broad incumbents

• gmp · von Gerkan, Marg and Partners: Hamburg-based international architecture firm with global reach working across cultural, public, and commercial building typologies. Represents the broader incumbent landscape of established German architecture practices with similar sustainable and institutional project competencies.
• HPP Architekten GmbH: Düsseldorf-headquartered architecture firm with significantly larger scale and broader portfolio across commercial, cultural, and public-sector projects; overlapping in office, cultural, and renovation work but at materially larger project scale.
• Heinle, Wischer und Partner: Established German architecture practice with broader geographic footprint and larger portfolio, working on educational, cultural, and residential projects for public clients — overlapping market space at the upper end of blumenstein's project size range.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/b-arc

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 blumenstein +architekten gmbh