Rezonans Sp. z o.o.

What Rezonans Sp. z o.o. does

Rezonans Sp. z o.o. is a privately held Polish limited liability company headquartered at Naftowa 2G in Zielona Góra, Poland, operating in the industrial electrical contracting space. Founded approximately in 1994, the company specializes in four integrated service lines: professional energetics (energetyka zawodowa) covering design, execution, commissioning, and servicing of industrial power systems; electrical installations compliant with EU norms; low-current and telecommunications installations; and industrial production line relocations executed across Europe. Its customer base consists of industrial and manufacturing companies requiring large-scale electrical work, production line moves, and ongoing energy continuity.

The firm operates with a lean team of 16 employees and pursues a direct sales, consultation-based go-to-market model with free initial consultations offered through its website. Pricing is not publicly disclosed and contracts appear to be project-based rather than subscription-based. The company maintains an active digital presence through a multilingual website (Polish, English, German) plus Facebook and LinkedIn accounts, signaling intent to engage cross-border industrial clients, particularly for relocation work. No technology platform, software product, or AI capability is associated with the offering; the value proposition is built on traditional electrical engineering expertise, EU regulatory compliance, and three decades of operational continuity in industrial energetics.

Commercially, Rezonans shows characteristics of a specialized boutique industrial contractor: no disclosed funding rounds, no M&A activity, no named customer logos, no published revenue, no management team disclosure, and no certifications or patents in the source material. The combination of small headcount and pan-European relocations capability suggests likely reliance on subcontracted labor for cross-border project execution. Ownership structure beyond the Sp. z o.o. legal form is undisclosed.

Name

Rezonans Sp. z o.o.

Legal name

REZONANS Sp. z o.o.

Website

https://rezonans-elektro.pl

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Rezonans Sp. z o.o. is a privately held Polish electrical contracting firm founded circa 1994, serving industrial and manufacturing clients across Poland and Europe with electrical installations, industrial energetics systems, low-current installations, and production line relocations.

Ownership category

akta.pro rank

Product category

Industrial Electrical Contracting Services

NAICS

Electric Power Transmission, Control, and Distribution (22112)

SIC

Electrical Work (1731)

akta.pro primary industry

O&M, Upgrades & Refurbishment of T&D Assets (Reconductoring, Rebuilds) (IMAFAHAM)

Keywords

• Industrial electrical installations
• Power systems engineering
• Low-current installations
• Production line relocations
• Electrical contracting services

Headquarters

HQ city

Zielona Góra

HQ country

Poland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Distribution channels1 record

Marketing channels3 records

Core offering

Rezonans Sp. z o.o. delivers professional electrical installations and industrial relocation services for demanding industrial clients. Offerings span professional power/energy systems (Energetyka zawodowa) from design through commissioning and service, full electrical installations (Instalacje elektryczne) compliant with EU norms, low-current/telecommunications installations (Instalacje teletechniczne/niskoprądowe) including execution, startup, and testing, and precise industrial production line relocations (Relokacje linii produkcyjnych) executed across Europe.

Product overview

Rezonans Sp. z o.o. is a comprehensive electrical installation and industrial relocation services company operating across Poland and Europe for 30 years. The company offers four integrated service lines: Energetyka zawodowa (professional power/energy systems), Instalacje elektryczne (electrical installations), Instalacje teletechniczne (low-current/telecommunications installations), and Relokacje linii produkcyjnych (industrial production line relocations). Together these services provide end-to-end solutions for large-scale industrial investments, from design and execution through commissioning and ongoing maintenance.

Differentiator

Problem solved

Functional benefit

Products and services

• Energetyka zawodowa (Professional Power/Energy Systems) Professional power/energy systems services for industrial facilities, covering the full project lifecycle from design through commissioning to ongoing maintenance and service. Targeted at industrial enterprises requiring reliable energy infrastructure for their plants and operations.
• Instalacje elektryczne (Electrical Installations) Comprehensive electrical installation services ensuring safety and compliance with EU norms and standards for industrial and commercial applications. Includes design, execution, and commissioning of electrical installations for demanding industrial clients.
• Instalacje teletechniczne / niskoprądowe (Low-Current and Telecommunications Installations) Complete execution, startup, and testing of low-current and telecommunications installations for industrial and commercial facilities. Covers structured cabling and telecommunications infrastructure required alongside main electrical works.
• Relokacje linii produkcyjnych (Industrial Production Line Relocations) Industrial production line relocation services delivered with precision and on schedule across Europe. Designed for manufacturing operators that need to move complete production lines between facilities while maintaining operational continuity.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves3 records

Expansion highlights3 records

Direct peers

• Cegelec: VINCI Energies subsidiary specializing in electrical, HVAC, and energy infrastructure for industrial and tertiary clients across Europe. Comparable as a dedicated electrical infrastructure contractor serving industrial end-markets.
• Eltel Group: Nordic-headquartered provider of electrical infrastructure services across transmission, distribution, and industrial clients in Europe. Directly comparable in service mix — industrial power systems, electrical installations, and field services — though at significantly larger scale.
• Eiffage Énergie Systèmes: Eiffage Group's electrical, industrial, and energy systems arm providing design-build and maintenance for industrial and infrastructure clients across France and Europe. Comparable in industrial electrical contracting scope and customer profile.
• SPIE S.A. French independent European leader in multi-technical electrical, mechanical, and communications infrastructure services for industrial, energy, and commercial clients. Closest large-scale analog to Rezonans' full-lifecycle industrial electrical model.

Others

• ABB: Global electrical equipment manufacturer (switchgear, transformers, drives, protection & controls). Rezonans installs and integrates ABB-type equipment in its industrial power and switchyard work, making ABB an enabling product supplier rather than a competitor.
• Schneider Electric: Global manufacturer of electrical distribution, industrial automation, and energy management equipment. Provides the underlying switchgear, panel, and low-current components that Rezonans installs; an enabling ecosystem participant rather than direct competitor.

Broad incumbents

• Bilfinger: German-headquartered industrial services provider with significant electrical, instrumentation, and process infrastructure offerings for process-industry clients. Overlaps with Rezonans' industrial electrical and commissioning scope but serves customers primarily through larger multi-year framework contracts.
• VINCI Energies: Large European network of electrical engineering and infrastructure brands (incl. Cegelec, Infratecom). Operates broadly across electrical EPC, industrial relocations, and energy infrastructure — overlaps with Rezonans but spans far more end-markets and geographies.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

• Facebookfacebook.com/rezonanselektro
• LinkedInlinkedin.com/company/rezonans-sp.-z-o.o.

Revenue estimate

Valuation estimate

Number of profiles

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 Rezonans Sp. z o.o.