Architekturbüro A2E-Architekte

What Architekturbüro A2E-Architekte does

Architekturbüro A2E-Architekten is a sole-proprietor architecture practice based in Markgröningen, Baden-Württemberg, Germany, founded and operated by Jörg Eisser, Dipl. Ing. Architekt (FH). The firm delivers professional architectural and consulting services from a single office at Graf-Hartmann-Str. 47, serving private individuals, public entities, and commercial clients across the Baden-Württemberg region.

The core offering, Planung und Bauausführung (planning and construction execution), covers residential, public, and commercial buildings with specialized focus on passive house design, solar house planning, heritage building renovation (Denkmalpflegerische Sanierungen), and interior architecture. This is complemented by two adjacent service lines: Energieberatung (energy consulting), offered in both general and Denkmale-specialized variants for heritage buildings, and Immobilienbewertung (property valuation), which provides written expert opinions and short expertises for purchase/sale, balance sheet valuation, divorce settlements, mortgages, insurance, and rent assessments. The principal additionally holds certifications as a passive house planner, TÜV-certified expert for mold damage, KfW Sachverständiger for individual measures and efficiency buildings, and certified energy advisor for historic monuments.

The business model is fee-for-service professional services delivered directly to clients, with no disclosed pricing, intermediaries, or digital channels. Marketing is limited to a basic company website (a2e-architekten.de). The firm has no employees disclosed, no institutional funding, no subsidiaries, and no technology platform or AI capabilities. Notable activity includes a competition-stage collaboration with Architekturbüro Steiner on the Kunsthalle Schweinfurth project, converting a former indoor swimming pool into an art museum.

Name

Architekturbüro A2E-Architekte

Legal name

A2E-Architekten

Website

https://a2e-architekten.de

Company type

Private

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Architekturbüro A2E-Architekten is a sole-proprietor architecture practice in Markgröningen, Germany, operated by Jörg Eisser, offering architectural planning, construction execution, energy consulting, heritage restoration, and property valuation services to private, public, and commercial clients in Baden-Württemberg.

Ownership category

akta.pro rank

Product category

Architectural Services

NAICS

Architectural Services (541310), Architectural, Engineering, and Related Services (5413), Interior Design Services (54141)

SIC

Services-Engineering Services (8711), General Bldg Contractors - Nonresidential Bldgs (1540), General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

akta.pro secondary industries

Historic Preservation & Conservation Planning (BPAHAKAH), Energy Systems & Power Engineering Consulting (BPAHAIAG), Historic Home Renovation & Preservation (HSAPAEAG)

Keywords

• Architectural planning services
• Passive house design
• Heritage building restoration
• Energy consulting services
• Property valuation services

Headquarters

HQ city

Markgröningen

HQ country

Germany

HQ region

Europe

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 Planning Services: Project-based professional services including planning and construction execution for private, public, and commercial buildings.
2. Energy Consulting Services: Energy advisory services for buildings and heritage properties, including subsidy guidance.
3. Property Valuation Services: Written expert opinions and short expertise for property valuation covering purchase/sale, balance sheets, guardianships, divorces, encumbrances, mortgages, insurance, and rent levels.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Architekturbüro A2E-Architekten provides architectural planning and construction execution services for private, public, and commercial buildings, with specializations in passive house design, solar house planning, heritage building restoration, and interior architecture. The firm also offers complementary energy consulting (including heritage monument advisory), property valuation as written expert opinions, and KfW-certified expert services for clients pursuing government energy efficiency funding. All services are delivered by sole proprietor Jörg Eisser from a single office in Markgröningen, Germany.

Product overview

Architekturbüro A2E-Architekten is a traditional architecture and consulting firm offering an integrated portfolio of services centered on architectural planning and construction. The core offering is Planung und Bauausführung (Planning and Construction Execution), which encompasses private, public, and commercial buildings with specialized focus on passive house design, solar house planning, heritage building renovation, and interior architecture. This architectural foundation is supported by complementary service lines: Immobilienbewertung (Property Valuation) for market value assessments and expert opinions, and Energieberatung (Energy Consulting) offered in both general and Denkmale-specialized variants for monument buildings. The firm also holds KfW expert certification for energy efficiency funding. Services are delivered through a single firm structure with the principal architect Dipl. Ing. Jörg Eisser (FH), providing clients coordinated consulting and project implementation from a single source.

Differentiator

Problem solved

Functional benefit

Products and services

• Planning and Construction Execution (Planung und Bauausführung) Comprehensive architectural planning and construction execution services covering private, public, and commercial buildings, including passive house design, solar house planning, heritage building renovation, and interior architecture. Delivered for private homeowners, public sector clients, and commercial developers.
• Energy Consulting (Energieberatung) Objective and neutral energy consulting that provides expert tips for reducing energy costs, including information on available subsidies and full-service project management from consultation through implementation. Includes a unified coordination role as the architect delivering both consulting and project execution.
• Energy Consulting for Heritage Monuments (Energieberatung für Denkmale) Specialized energy consulting for heritage monuments and historically significant buildings, providing certified expert guidance on improving energy efficiency while preserving building substance and avoiding construction damage caused by improper material selection.
• Property Valuation (Immobilienbewertung) Property valuation services delivered as formal written expert opinions (Immobiliengutachten) or brief expertise (Kurzexpertise), covering market value determination for purchase/sale, balance sheet valuation, divorce settlements, guardianship, encumbrances, mortgages, insurance, and rent levels.
• Passive House Planning and Consulting (Passivhausplanung und Beratung) Passive house planning and consulting services delivered by a certified passive house planner, providing clients with energy-efficient residential and commercial building design to passive house standards.
• KfW Expert Services (KfW-Sachverständigenleistungen) KfW-certified expert services for individual measures and efficiency house standards, enabling clients to access German government energy efficiency funding (KfW) programs and ensuring expert verification for funding applications.
• Expert Witness Services (Gutachterliche Tätigkeiten) Expert witness services including TÜV-certified expert assessments for mold damage and property valuation expert opinions for legal, financial, and insurance purposes.

Quantifiable outcome

• Comprehensive building projects from planning through construction execution under unified coordination

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

One partnership is on record.

• Architekturbüro SteinerminorStrategic or Co-development PartnerJoint project partnership for Kunsthalle Schweinfurth conversion of former indoor swimming pool into art museum. Both architecture firms collaborated on the project design and execution.

Scale indicators1 record

Recent moves1 record

Expansion highlights2 records

Broad incumbents

• gmp · Architekten: Large German architecture firm with a broad portfolio covering cultural, commercial, and public-sector projects. Comparable on the cultural/administrative building type and on delivery of integrated architecture services across Germany.
• Werner Sobek: German engineering/architecture practice specializing in sustainable, energy-efficient building design including Passive House expertise. Comparable on the architecture + energy-efficiency technical consulting niche that anchors A2E's value proposition.
• HPP Architekten: Established German architecture firm operating across commercial, public, and cultural building sectors with an integrated design practice. Comparable on project type breadth (private, public, commercial) and presence in the German market A2E serves.
• ATP Architekten Ingenieure: Integrated architecture and engineering firm active across Germany with expertise in commercial, residential, and sustainability-focused design. Comparable because it bundles architecture with energy/efficiency consulting at much larger scale than A2E.
• Drees & Sommer: Major German real-estate consulting, engineering, and project-management firm with strong energy-efficiency and sustainability practices. Comparable on the energy consulting + building project delivery combination that A2E markets as its differentiator.

Others

• Deutsche Energie-Agentur (dena): Germany's energy agency that administers energy-advisor certifications and subsidy program guidance. Comparable as the institutional counterpart that licenses A2E's energy advisory credentials and channels subsidy-driven demand toward qualified advisors.
• Passivhaus Institut: Darmstadt-based research and certification body that sets Passive House standards and certifies planners. Comparable as the ecosystem gatekeeper for A2E's Passive House planner credential, and adjacent because it shapes demand for certified Passive House services.

Emerging players

• Bollinger + Grohmann: Engineering-led practice with strong sustainability and energy performance expertise in building design. Comparable on the technical-engineering + architecture integration model and on Passive House/sustainable design capabilities relevant to A2E's specialty services.

Direct peers

• BRENNER + HOFFMANN Architekten: Small/medium German architecture firm with energy and sustainability specialization. Comparable because of similar size class, regional operating model, and emphasis on energy-conscious design and renovation — overlapping directly with A2E's core services.
• Architekturbüro Steiner: Co-collaborator on the Kunsthalle Schweinfurth adaptive-reuse project. A comparable small German architecture practice with similar project scale, regional orientation, and cultural-sector portfolio, making it the closest operating peer.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/architekturb%C3%BCro

Compliance6 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 Architekturbüro A2E-Architekte