Montagi

What Montagi does

Montagi EAD (Монтажи ЕАД) is a 100% state-owned Bulgarian industrial construction and installation company founded in 1947 and headquartered in Sofia. The company operates as a single-member joint-stock company with full Republic of Bulgaria ownership, controlling a vertically integrated production network across five Bulgarian branches (Pernik, Karnobat, Pleven, Vulchi Dol, Devnya) plus a Central Control Laboratory and a NAPOO-licensed professional training center. Its core business is the design, fabrication, and installation of steel structures (per EN 1090-2), industrial reservoirs and tanks up to 50,000 m3, gas/steam/heat pipelines, ventilation and HVAC systems, and comprehensive mechanical and electrical installation for industrial facilities. Beyond construction, Montagi operates an accredited Type C control body per BDS EN ISO 17020 providing non-destructive testing (ultrasonic, radiographic, magnetic-powder, capillary, visual), electrochemical corrosion protection design, and electrical installation inspection; it also offers energy audits, power quality studies, and a dam rehabilitation service line under government mandate.

Montagi's customer base is concentrated in Bulgarian state-owned and state-affiliated enterprises across the energy (NPP Kozloduy, TPP Maritsa East 1/2/3, PSHPP Chaira, Energo-Pro), petrochemical (Neftohim Bourgas), metallurgy (Stomana Industry Pernik), transport infrastructure (Port Bourgas, Metropoliten Sofia), and aviation (Lufthansa Technik Sofia) sectors. The go-to-market is enterprise field sales executed primarily through public procurement procedures and direct contracts with state entities, with no disclosed private-sector or international expansion. Revenue is not publicly disclosed; pricing is set through procurement bidding and direct negotiation on large multi-year industrial projects. Strategic positioning rests on a combination of regulatory certifications (ISO 9001/14001/45001, EN 1090-1, ISO 17020, Bulgarian Constructors Chamber Groups I/III/IV), a 75-year track record on national-critical infrastructure, an internal training pipeline for specialized trades, and preferential access to state-assigned mandates such as the 414-dam DKK EAD rehabilitation program established in 2018. The company has no AI/ML capability and operates as a traditional industrial services contractor.

Name

Montagi

Legal name

Монтажи ЕАД

Website

https://montagi.com

Company type

Private

Founded year

1947

Operating status

Operating

Headcount range

11–50 employees

Short description

Montagi EAD is a 100% Bulgarian state-owned industrial construction and installation company serving energy, petrochemical, metallurgy, and infrastructure clients. It fabricates steel structures, tanks, pipelines, and HVAC systems, and provides accredited non-destructive testing and energy management services across Bulgaria.

Ownership category

akta.pro rank

Product category

Industrial Construction Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220), Agriculture, Construction, and Mining Machinery Manufacturing (3331), Engine, Turbine, and Power Transmission Equipment Manufacturing (3336)

SIC

Steel Pipe & Tubes (3317), Metalworkg Machinery & Equipment (3540), Electrical Industrial Apparatus (3620)

akta.pro primary industry

Sheet Metal & Ductwork Contracting (IMAFALAH)

Keywords

• Industrial construction services
• Metal structure fabrication
• Pipeline installation services
• Non-destructive testing
• Dam rehabilitation works

Headquarters

HQ city

Sofia

HQ country

Bulgaria

HQ region

Europe

Offices11 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. Construction and Installation Services: Core revenue from construction, assembly, and installation of industrial facilities including energy plants, chemical plants, metallurgical facilities, and infrastructure projects.
2. Metal Structure Manufacturing: Production of steel structures, reservoirs, silos, pipelines, and custom metal products for industrial and construction applications.
3. Control and Inspection Services: Accredited control body providing non-destructive testing, electrical inspection, and quality control services.
4. Energy Management Services: Energy audits, quality studies, and consulting services for industrial facilities.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels2 records

Core offering

Montagi EAD is a Bulgarian state-owned industrial construction and installation company that fabricates metal structures, tanks and pipelines, and delivers mechanical, electrical and HVAC installation for energy, chemical, metallurgical, and infrastructure facilities. It also operates an accredited Type C inspection body (non-destructive testing of welds and metal products) and a NAPOO-licensed professional training center for welders and defectoscopists, supplemented by energy-management and power-quality consulting services.

Product overview

Montagi EAD operates as a unified industrial construction and installation company offering specialized engineering services primarily for energy and industrial facilities in Bulgaria. The company provides an integrated service portfolio including: metal construction production (per EN 1090-2), industrial tank and reservoir fabrication (up to 50,000 m3), gas and pipeline manufacturing, mechanical and electrical installation services, ventilation and HVAC systems, accredited Type C control services for non-destructive testing, a licensed professional training center, energy management consulting, and power quality analysis services. The company also conducts dam rehabilitation works under government contracts. These products and services are delivered through multiple production branches located in Pernik, Karnobat, Pleven, Valchi Dol, and Devnya, supported by a central control laboratory and training center in Sofia.

Differentiator

Problem solved

Functional benefit

Products and services

• Metal Construction Production Production of steel structures for construction and industry in accordance with EN 1090-2 standard, including fabrication and installation for industrial and infrastructure projects.
• Tank and Cistern Production Production of reservoirs and tanks with volumes up to 50,000 m3 for storage of water, grain, petroleum products, oils, fuels, and industrial applications.
• Gas Pipeline and Pipeline Production Specialized fabrication of steel gas pipelines, steam pipelines, and heat pipelines for industrial applications.
• Machine, Electrical Installation and Instrumentation Comprehensive machine assembly, electrical installation, and control and instrumentation services for industrial facilities.
• Ventilation and Air Conditioning Systems Design, fabrication, and installation of various types of ventilation and air conditioning systems for industrial and commercial applications.
• Type C Accredited Control Organ (Inspection and Non-Destructive Testing) Accredited control body providing non-destructive and destructive testing of metal products, constructions, welded joints, castings and forgings; electrical control of installations; and corrosion protection control.
• Professional Training Center Licensed professional training center offering qualifications for welders, defectoscopists, machine assemblers, electricians, and occupational safety groups.
• Energy Management Services Energy audits, analysis, and design for electrical systems of enterprises to reduce electrical losses and energy costs.
• Power Quality Studies Research, analysis, and design related to power quality of electrical systems in buildings and enterprises, including harmonic analysis and electrical disturbance detection.
• Dam Rehabilitation Works Survey, technical design, and execution of rehabilitation and restoration works on dam walls and associated facilities for emergency repairs on state and municipal dams.
• Design and Engineering Services Design and engineering activities supporting industrial construction and installation projects.

Named customers9 records

Segments5 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

Partnerships

Nine partnerships are on record, tiered core and minor.

• ДКК ЕАД (DKK EAD - State Consolidation Company)coreStrategic or Co-development PartnerDKK EAD (100% state-owned) assigned Montagi to perform survey, technical design, and repair works on 414 dam walls requiring urgent repair. Montagi performs technical surveys, prepares designs, and executes rehabilitation works under expert council approval.
• TEC RepublikaminorOthersReferenced as a client/customer for rehabilitation works on electrostatic precipitators.
• Start InzheneringminorOthersReferenced as a client/reference for industrial projects.
• BulgartransgazminorOthersReferenced as a client/reference for gas pipeline infrastructure projects.
• Energo-ProminorOthersReferenced as a client/reference for steel pipe pole manufacturing for the grid network.
• Metropoliten SofiaminorOthersReferenced as a client/reference for Sofia Metro construction projects.
• SANDVIK Bulgaria EOODminorOthersClient for coal and limestone storage systems at TPP Maritsa East 1 - supplied equipment including two stacker-reclaimers weighing 661 tons each.
• Uniplana Montage AustriaminorOthersContracting client for new rolling mill and furnace construction at Stomana Industry Pernik in 2008.
• Lufthansa Technik SofiaminorOthersClient for installation of three dock systems for aircraft repair at newly opened maintenance hangar in Sofia.

Scale indicators4 records

Recent moves11 records

Expansion highlights5 records

Others

• NPP Kozloduy (as parent client ecosystem): State-owned Bulgarian nuclear plant operator and Montagi's largest customer. Not a peer, but the principal demand-side counterpart that defines Montagi's nuclear-grade installation and pipeline capabilities.
• Bulgartransgaz EAD: Bulgarian state gas transmission operator and Montagi client for gas pipeline manufacturing and installation. Key demand-side counterpart in Montagi's gas-pipeline and energy-infrastructure revenue stream.

Direct peers

• Technoengineering Group (Bulgaria): Bulgarian industrial contractor active in energy, metallurgy, and infrastructure construction projects. Comparable in scope to Montagi's industrial construction and steel structure fabrication capabilities.
• Moststroy AD: Bulgarian industrial and infrastructure construction firm with historical involvement in transport, energy, and industrial projects. Direct peer competing for similar Bulgarian public-procurement contracts in industrial construction.
• Stroytransgaz: Major EPC contractor for gas pipelines, compressor stations, and energy infrastructure across Eastern Europe and CIS. Highly comparable to Montagi's Bulgartransgaz pipeline work and energy facility installation portfolio.
• Glavbolgarstroy: Bulgaria's largest general construction company, executing infrastructure, industrial, and energy projects domestically. Direct peer given overlap in Bulgarian industrial and energy construction tendering, though broader in scope than Montagi's specialist energy/industrial focus.
• Energoremont Holding: Bulgarian industrial services group specializing in repair, reconstruction, and modernization of energy and industrial facilities. Closely comparable to Montagi's TPP/nuclear/power-plant maintenance and modernization offering.

Broad incumbents

• KBR Inc. Global engineering and EPC firm with strong energy, petrochemical, and government services portfolio. Overlaps with Montagi's nuclear/petrochemical installation capabilities but at vastly larger scale and international footprint.
• Saipem: Italian-headquartered global EPC contractor for energy and infrastructure projects including pipelines, refineries, and power plants. Comparable capability set to Montagi but operating at much larger scale internationally; a potential Western competitor entering Balkan tenders.
• SK E&C: South Korean EPC contractor with energy, petrochemical, and industrial plant capabilities. Comparable to Montagi's full-lifecycle industrial construction services, though focused on much larger international projects.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/MontagiCompany
• LinkedInlinkedin.com/company/montagi-ead

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries7 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 Montagi