Porsenna

Name

Porsenna

Legal name

Porsenna

Website

https://porsenna.cz

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

11–50 employees

Short description

Porsenna is a Prague-based Czech company group, active since 2004, that delivers passive house construction services through PORSENNA STAVEBNÍ s.r.o. and energy management services, audits, EPC projects, and proprietary e-manažer software through PORSENNA ENERGY s.r.o., serving primarily Czech residential homeowners and commercial building owners.

Ownership category

akta.pro rank

Product category

Energy Management and Passive House Construction Services

NAICS

Residential Building Construction (23611)

SIC

General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Whole-Home Interior Renovation (Non-Structural) (HSAPAEAC)

akta.pro secondary industry

Chillers, Boilers & Central Plant Operations (BPABACAG)

Keywords

• Passive house construction
• Energy management services
• Energy audits and assessments
• Building energy optimization
• EPC contracting

Headquarters

HQ city

Prague

HQ country

Czechia

HQ region

Europe

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Passive House Construction Services: One-time construction services for passive houses, ranging from rough construction to turnkey delivery. Includes individual studies, projects, and implementation of technologies for passive houses.
2. Energy Management Services: Services including energy audits, assessments, energy management consulting, and EPC (Energy Performance Contracting) projects. Offered through PORSENNA ENERGY s.r.o.
3. Energy Management Software (e-manažer): Software subscription for energy management, providing monitoring, optimization, and reporting capabilities for building energy systems.

Distribution channels1 record

Marketing channels1 record

Core offering

Porsenna provides passive house construction services and energy management solutions for residential and commercial buildings in the Czech Republic. Through its two operating subsidiaries, the company delivers standard and custom passive house architectural projects, full construction from rough structure to turnkey homes, energy audits, building energy optimization, EPC projects, and proprietary e-manažer software for energy monitoring and management.

Differentiator

Problem solved

Functional benefit

Products and services

• Passive House Construction Services Construction services for passive houses ranging from rough construction to turnkey delivery, including individual studies, projects, and implementation of technologies for passive houses. Targeted at residential homeowners and building owners in the Czech Republic.
• Standard Passive House Projects (Typové projekty pasivních domů) Standard/template passive house architectural projects offered as ready-made plans for energy-efficient residential construction. For residential homeowners seeking proven passive house designs.
• Custom Passive House Studies and Projects (Individuální studie a projekty pasivních domů) Custom passive house studies and design projects tailored to individual client requirements and specific building site conditions. For residential homeowners with unique site or design needs.
• e-manažer Energy Management Software Proprietary software tool for energy management, enabling energy monitoring, tracking, and optimization of building energy consumption. For commercial and institutional building owners and operators.
• Energy Audits and Assessments (Energetické audity a posudky) Professional energy audits and assessments for buildings to evaluate energy performance and identify optimization opportunities. For commercial and institutional building owners.
• EPC Projects (Energy Performance Contracting) Energy performance contracting projects including consulting and administrative services for implementing energy savings measures. For commercial and institutional building owners.

Quantifiable outcome

• Energy savings and cost reduction for passive house owners

Segments2 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Broad incumbents

• Schneider Electric: Broad incumbent via EcoStruxure building energy management and BMS platforms, overlapping with Porsenna ENERGY's e-manažer offering at much larger scale and serving as a benchmark for energy management software features.
• Skanska: Large international contractor with a green building and energy-efficient construction focus that competes for sustainable construction projects at institutional/commercial scale far beyond Porsenna's residential niche.
• Siemens Smart Infrastructure: Broad incumbent offering building automation (Desigo CC), energy management, and HVAC optimization solutions that compete in the same buyer conversation as Porsenna's energy audits and EPC projects.
• Honeywell Building Technologies: Global incumbent providing BMS, energy optimization, and building analytics solutions that overlap with Porsenna ENERGY's energy management and optimization services for commercial/institutional clients.
• ENGIE: Major European energy services player with building energy efficiency, EPC, and energy management offerings that overlap with Porsenna ENERGY's audits and Energy Performance Contracting services, particularly for institutional clients.

Emerging players

• BrainBox AI (formerly BuildingIQ): Smaller-scale building energy management and AI-driven HVAC optimization software firm; a closer product analog to Porsenna's e-manažer than the large incumbents, useful for sizing SaaS potential.
• EnergyHub: Energy management platform combining building/device energy data with DER orchestration; an emerging software analog to e-manažer and an indicator of how building energy software businesses scale via integrations.

Others

• Saint-Gobain: Major building materials supplier whose high-performance insulation, windows, and systems are core inputs to passive house construction; relevant ecosystem participant that influences Porsenna's input cost structure rather than a direct competitor.
• Passivhaus Institut (PHI): The standards and certification body for the passive house concept; not a direct competitor but the certification authority whose criteria define the market Porsenna serves and which influences passive house tooling and component standards.

Direct peers

• Energiehaus GmbH: Germany-based passive house planning, consulting, and construction firm offering a similar integrated mix of energy-efficient building services and energy consulting to Porsenna's STAVEBNÍ + ENERGY dual offering.

Market position

Customer concentration

• Facebookfacebook.com/porsenna04
• LinkedInlinkedin.com/company/porsenna-o-p-s

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries2 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 Porsenna