What eZeit Ingenieure GmbH does

eZeit Ingenieure GmbH is a Berlin-based engineering planning and consulting firm founded in 2013 that delivers integrated building and energy technology solutions, with a specialization in regenerative energy supply systems, decarbonization strategies, and building envelope optimization. The firm operates across eight service lines — Quartiere & Architektur (districts & architecture), Dekarbonisierungsstrategie (decarbonization strategy), Analyse & Beratung (analysis & consulting), TGA & Engineering (building services engineering), Umwelt & Energie (environment & energy), Ökonomie & Ökologie (economics & ecology), Simulationsverfahren (simulation methods), and Forschung & Entwicklung (research & development) — and deploys proprietary integrated operator models such as iB-DOS to align technical, economic, and ecological parameters for complex projects.

The firm's commercial offering is structured as professional services delivered on a quote-based, project-engagement basis to B2B clients. Customers include municipal utilities (Berliner Stadtreinigung / BSR), housing cooperatives (Wohnungsgenossenschaft Eberswalde 1893, Berliner Wohnungsgenossenschaft), and commercial real estate developers (Dockyard am Osthafen Berlin). Geographic delivery extends across five German states — Berlin, Brandenburg, Thuringia, Saxony, and Bavaria — indicating a regional but multi-state operating footprint from a single Berlin headquarters.

With a headcount of 13 employees, eZeit is positioned as a specialized boutique consultancy rather than a scaled engineering platform. The firm has accumulated third-party recognition including a 2023 IBA Thüringen inclusion, a 2025 German Urban Development Prize nomination for the Ossietzky-Hof project, and TOP 100 Innovator 2026, which collectively function as reputational anchors in the cooperative and public-sector procurement markets. No external funding rounds, AI/ML capabilities, patents, trademarks, or partnerships are disclosed in the available data.

Name

eZeit Ingenieure GmbH

Legal name

eZeit Ingenieure GmbH

Website

https://ezeit-ingenieure.eu

Company type

Private

Founded year

2013

Operating status

Operating

Headcount range

11–50 employees

Short description

eZeit Ingenieure GmbH is a Berlin-based engineering consultancy founded in 2013 that plans regenerative energy systems, decarbonization strategies, and building envelope optimizations for housing cooperatives, public-sector clients, and real estate developers across five German states.

Ownership category

akta.pro rank

Product category

Building Energy Engineering Consulting

NAICS

Engineering Services (541330), Engineering Services (54133)

SIC

Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

Energy & Sustainability Management (Energy Audits/Optimization/Carbon & ESG Programs) (IMAIAAAM)

akta.pro secondary industries

Real Estate ESG / Sustainability & Resilience Advisory (Decarbonization, Climate Risk) (BPAJANAI), Performance Contracting & Energy-as-a-Service (EaaS) for Buildings (BPABAGAN), Microgrid, DER & Building Electrification Energy Controls (Solar/Storage/EV Load Orchestration) (BPABAGAJ)

Keywords

• Building energy engineering
• Decarbonization consulting
• Regenerative energy planning
• HVAC engineering services
• Building decarbonization strategy

Headquarters

HQ city

Berlin

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

Revenue model

1. Engineering and Consulting Services: Planning and consulting services for building and energy technology, including energy concepts, decarbonization strategies, and technical building equipment engineering

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

eZeit Ingenieure GmbH is a planning and consulting firm for building and energy technology, providing engineering services including regenerative energy supply concepts, decarbonization strategies, building envelope optimization, technical building equipment (TGA) engineering, simulation-based performance analysis, and integrated operator models for neighborhoods and districts. The firm delivers stepwise decarbonization roadmaps for existing building stock and fully regenerative energy concepts for new construction, targeting achievement of Germany's 2045 climate protection goals.

Product overview

eZeit Ingenieure GmbH is a planning and consulting firm for building and energy technology. Rather than a unified software platform, they offer a portfolio of consulting services including Quartiere & Architektur (neighborhood planning), Dekarbonisierungsstrategie (decarbonization strategy), Analyse & Beratung (analysis and consulting), TGA & Engineering (technical building equipment), Umwelt & Energie (environment and energy), Ökonomie & Ökologie (economics and ecology), Simulationsverfahren (simulation methods), and Forschung & Entwicklung (research and development). Their core offering centers on regenerative energy concepts and CO2-neutral building temperature solutions through integrated operating models for neighborhoods.

Differentiator

Problem solved

Functional benefit

Products and services

• Quartiere & Architektur

Quantifiable outcome

• CO2-neutral building tempering with overall cost reduction
• +1 more outcomes

Named customers4 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

Feature4 records

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Transsolar Energietechnik: German engineering firm specializing in building energy concepts, climate-responsive design, and decarbonization planning for new and existing buildings. Directly comparable to eZeit in offering energy simulation, regenerative supply concepts, and TGA planning for housing and public-sector projects.
• EPEA GmbH (Cradle to Cradle): German building materials and decarbonization consultancy focused on circular construction, Cradle to Cradle certification, and regenerative building concepts. Comparable because it advises on integrated, climate-positive building design strategies overlapping with eZeit's regenerative energy and decarbonization offerings.
• Ingenieurbüro Hausladen: Munich-based building energy and decarbonization consulting firm with deep expertise in regenerative energy supply, building envelope optimization, and energy simulation. Direct peer in the German building decarbonization consulting niche, serving similar housing and commercial developer clients.

Broad incumbents

• Drees & Sommer: Large German engineering consultancy with leading sustainable building, decarbonization, and integrated operator (EaaS) practices. Comparable because it offers overlapping building energy and decarbonization strategy services to housing, commercial, and public-sector clients across Germany and internationally, though as a much broader portfolio player.

Others

• Fraunhofer ISE: Germany's leading applied research institute for solar energy and building energy technology. Comparable in adjacent rather than competitive sense: its research outputs, simulation tools, and published standards shape the methodology eZeit applies, and it is a potential R&D partner or talent source rather than a direct competitor.
• ifeu - Institut für Energie- und Umweltforschung Heidelberg: German research and consulting institute working on building energy efficiency, decarbonization pathways, and climate protection strategies. Comparable as a thematically adjacent organization whose analyses and frameworks inform the consulting market eZeit addresses.

Emerging players

• Jonas Energy Concepts: Smaller German engineering consultancy offering energy concepts, decarbonization strategies, and building services planning. Comparable as a niche competitor targeting similar housing cooperative, municipal, and commercial real estate clients in the German market.
• Energy Design Cockpit: German provider of building energy consulting and optimization services, including simulation and energy concepts for renovation and new construction. Comparable as a niche German peer focused on similar building decarbonization and energy efficiency use cases for housing and developers.
• Bauphysik & Energiekonzepte Möller: German building physics and energy concepts consultancy providing energy audits, renovation concepts, and decarbonization planning. Comparable as a regional peer in the same building energy and decarbonization consulting space.

Regional players

• Energieagentur Berlin (BE Berliner Energieagentur): Berlin-focused energy agency providing building energy consulting, decarbonization advisory, and climate protection services to public-sector and housing clients in the same regional market where eZeit operates. Comparable as a regional peer offering overlapping building decarbonization advisory services.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/ezeit-ingenieure-gmbh

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 eZeit Ingenieure GmbH