What Voltcom does

Voltcom, spol. s r.o. is a Prague-based construction, assembly, and engineering firm that delivers design, construction, maintenance, and inspection services for electrical energy distribution infrastructure in the Czech Republic. Founded in 1992 and operating today as a 100% subsidiary of Pražská energetika a.s. (PRE Group), the company executes projects for the three largest electricity distributors in the country — PREdistribuce (since 1999), ČEZ Distribuce (since 2009), and EG.D, formerly E.ON (since 2018) — and has participated in pilot Smart Transformer Station (Smart TS) projects within the PREdistribuce network since 2017.

The company's operations are organized into four interconnected service divisions: (1) Energy / Transformer Stations — turnkey construction and assembly of distribution and large-consumer transformer stations, switching stations, and 1 kV and 22 kV cable lines; (2) Construction Work and Demolition — civil engineering, excavation, terrain work, and metal constructions; (3) Service and Inspection — round-the-clock emergency fault response in the Prague area, plus scheduled maintenance, cleaning, and statutory electrical inspections; and (4) Design and Engineering — in-house projection services using CAD/MicroStation for site surveys, building-permit documentation, construction documentation, and author supervision. Voltcom holds certifications to act as a qualified supplier to its utility customers, a prerequisite for participation in regulated distribution-network work.

Voltcom runs a project-based B2B services model in which pricing is negotiated per project and never publicly disclosed. Revenue is generated from construction and assembly contracts, design/engineering fees, and recurring service and inspection work, all sold directly to enterprise utility clients. The company is staffed by approximately 68 core employees supplemented by roughly 130 external workers (as of 2021), operates offices in Prague 6 – Střešovice (headquarters), České Budějovice (a design center opened in 2018), and an operational base in Brázdim, and serves Central and South Bohemia. Voltcom has no public software, AI, or consumer offerings, and its growth is intrinsically tied to the capex and maintenance budgets of the Czech distribution-system operators.

Name

Voltcom

Legal name

VOLTCOM, spol. s r.o.

Website

https://voltcom.cz

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

51–100 employees

Short description

Voltcom, spol. s r.o. is a Czech electrical infrastructure services firm that designs, builds, maintains, and inspects transformer stations and cable networks for the three largest electricity distributors in the Czech Republic: PREdistribuce, ČEZ Distribuce, and EG.D.

Ownership category

akta.pro rank

Product category

Electrical Infrastructure Construction & Maintenance Services

NAICS

Electric Power Generation, Transmission and Distribution (2211)

SIC

Switchgear & Switchboard Apparatus (3613), Power, Distribution & Specialty Transformers (3612), Instruments For Meas & Testing Of Electricity & Elec Signals (3825)

akta.pro primary industry

Distribution Network O&M (MV/LV Lines, Switchgear, Transformers) (EUAEAGAE)

akta.pro secondary industries

Distribution System Hardening & Resilience Upgrades (EUAEACAK), Compliance, Safety & Code-Driven Retrofit Programs (NERC CIP, arc-flash, OSHA) (EUAEALAO), Power Transformers, Reactors & Auxiliary Power Systems (EUADACAJ), Reactive Power, Volt/VAR Optimization & Voltage Stability Studies (EUADAGAG)

Keywords

• Electrical infrastructure services
• Transformer station construction
• Power distribution maintenance
• Cable line installation
• Electrical engineering design

Headquarters

HQ city

Prague

HQ country

Czechia

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Electrical Construction and Assembly: Construction and assembly services for electrical energy distribution infrastructure including transformer stations, cable lines, switching stations. Services include civil engineering, excavation, installation and dismantling of electrical equipment.
2. Design and Engineering Services: In-house projection services for electrical distribution projects including site surveys, documentation for building permits, construction documentation, as-built documentation, demolition documentation, and contractor selection documentation. Also includes author supervision.
3. Service, Maintenance and Revisions: Regular and one-time servicing, repair, maintenance and cleaning of transformer stations and high voltage equipment. Electrical measurements, power factor compensation, power factor corrector installation, measurement transformer replacement, and electrical safety inspections (initial, extraordinary and regular).

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Voltcom is a construction and assembly company providing design, construction, maintenance, and inspection services for electrical energy distribution infrastructure in the Czech Republic. Its integrated offering spans the full lifecycle of transformer stations, switching stations, and 1 kV/22 kV cable systems — from in-house project documentation and author supervision through civil works, electrical assembly, 24/7 emergency fault response, and statutory electrical inspections.

Product overview

Voltcom is a construction and assembly company with its own design, assembly, and service capabilities in electrical energy distribution. The company operates as a single unified service offering organized into four interconnected divisions: (1) Energy/Transformer Stations - construction and assembly of transformer stations and cable lines; (2) Construction Work and Demolition - civil engineering and building work; (3) Service and Inspection - 24/7 maintenance and emergency repair services; and (4) Design and Engineering - in-house project documentation and engineering. These services are delivered as an integrated offering for three major Czech energy distributors (PREdistribuce, ČEZ, EG.D/E.ON), with the company functioning as a certified supplier for the entire lifecycle from design through construction to ongoing maintenance and inspections.

Differentiator

Problem solved

Functional benefit

Products and services

• Energetika, vše pro trafostanice (Energy, Everything for Transformer Stations) Construction and assembly of distribution and large-consumer transformer stations, switching stations, and 1 kV and 22 kV cable lines, including commissioning, maintenance, and regular inspections. Delivered as a turnkey service to electricity distribution utilities in the Czech Republic.
• Stavební práce a odstraňování staveb (Construction Work and Demolition) Building of distribution and large-consumer transformer stations and switching stations, apartment reconstructions, excavation and terrain work, and metal constructions for transformer stations. Civil engineering support service for energy infrastructure projects.
• Servis a revize elektrických zařízení (Service and Inspection of Electrical Equipment) Emergency fault and breakdown repair of transformer stations and VN/NN cable lines in the Prague area within hours, 24/7 emergency service, regular and one-time maintenance, repair, and cleaning of transformer stations and high-voltage equipment. Includes power factor compensation, electrical measurements, and statutory inspections.
• Projekční a inženýrská činnost (Design and Engineering Activities) Complete project documentation for electrical installations including lighting, outdoor infrastructure VN, NN and VO, grounding and lightning protection, substation and switching station projects, author supervision, and preparation of itemized budgets. Prepared using CAD/MicroStation according to current legislation and standards.

Quantifiable outcome

• 24/7 fault response capability - troubles resolved within hours

Named customers4 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• PRE Group (Pražská energetika a.s.)coreStrategic or Co-development Partner · 1 January 2019VOLTCOM is a 100% subsidiary of Pražská energetika a.s., part of PRE Group - the third largest electricity supplier in Czech Republic. The parent company provides strategic direction, access to the Prague distribution network (PREdistribuce), and shared services including ethics hotline, data protection policies, and integrated management system policies.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Regional players

• Eltel Group AB: Eltel is a Northern European specialist in power distribution and transmission infrastructure services, providing design, build, and maintenance to DSOs across the Nordics, Baltics, and parts of Central Europe — closely comparable business model to Voltcom's certified-supplier EPC + O&M offering.
• Elektrovod Žilina, a.s. Elektrovod Žilina is a leading Slovak electrical contractor specializing in construction and reconstruction of high-voltage substations, transformer stations, and power lines — a near-identical service offering to Voltcom but operating primarily in Slovakia rather than the Czech Republic.

Broad incumbents

• STRABAG AG (Energy & Telecom): STRABAG's energy and telecom infrastructure division (incorporating the former SAG Group) provides construction and maintenance of electrical networks across Central Europe. Directly comparable to Voltcom's MV/LV distribution and substation construction work, with deeper Austrian/German roots.
• VINCI Energies: VINCI Energies operates infrastructure and electrical networks business lines serving utilities across Europe, including substation and distribution network construction. Comparable to Voltcom in service mix but substantially larger and geographically diversified.
• ABB Ltd: ABB provides power and automation products, systems, and service for substations and distribution networks globally. While much larger and product-focused, ABB competes with Voltcom in MV substation EPC and lifecycle services to European utilities.
• Schneider Electric SE: Schneider Electric provides energy management and automation solutions, including MV/LV distribution equipment and grid services. Its EcoStruxure platform and Field Services organization address the same utility customer base as Voltcom with broader geographic reach.
• Siemens Energy AG: Siemens Energy supplies transmission and distribution equipment, substation solutions, and grid services to utilities worldwide. Its T&D Services business overlaps Voltcom's transformer station and grid infrastructure offering, particularly through smart-grid modernization programs.
• SPIE SA: SPIE is a French multi-technical services group with a strong electrical infrastructure and grid services division across Europe. Its services to energy distributors and industrial clients mirror Voltcom's integrated design-build-maintain model, with broader geographic coverage.

Direct peers

• ELTODO a.s. ELTODO is one of the largest Czech electrical contracting and infrastructure services companies, offering construction, maintenance, and design of electrical distribution and public lighting networks — directly overlapping Voltcom's core transformer station and MV/LV cable line business for Czech utilities.
• Apleona HSG Facility Management (or local Czech facility/EPC peers) — omitted in favor of: Elektro-Praga, a Czech electrical contractor providing similar MV/LV grid and substation services to Czech DSOs and industrial customers. Elektro-Praga is a Czech-based electrical contractor providing construction, service, and maintenance of MV/LV distribution networks and transformer stations — overlapping directly with Voltcom's certified-supplier offering to Czech DSOs and large industrial customers.

Market position

Weaknesses5 records

Competitive moat4 records

Key risks2 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@voltcom2786
• Facebookfacebook.com/voltcomCZ
• LinkedInlinkedin.com/company/voltcomcz
• Instagraminstagram.com/voltcomcz

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 Voltcom