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Zangas Hoch- und Tiefbau GmbH

Czech-headquartered engineering, procurement and construction (EPC) contractor specialising in oil and gas midstream infrastructure, with additional activities in exploration & production and commodities trading.

Last updated September 29, 2026

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Overview

Zangas Hoch- und Tiefbau GmbH (commonly referred to as Zangas, ZaNGaS or the Zangas Group) is a Czech-registered engineering, procurement and construction (EPC) contractor whose core business is the delivery of turn-key oil and gas midstream infrastructure. According to its official website, the company positions itself as an EPC services provider offering a full range of turn-key construction services in the oil and gas infrastructure sector, promising on-time and cost-efficient delivery of midstream facilities built to the highest quality standards and using advanced technical solutions. The company's construction track record is substantial. Its website states that it has successfully completed over 100 EPC projects in 23 countries across four continents. These include roughly 70 linear pipeline projects — about 6,000 km of gas pipelines, 1,000 km of oil pipelines, 2,000 km of oil product pipelines and 100 km of water pipelines, plus 13 major river crossings. It has also delivered 36 oil and gas field development projects (including gas and oil treatment facilities and field development service packages) and 230 pipeline infrastructure facilities such as compressor stations, pumping stations, gas gathering stations, metering stations and block valve/launcher-receiving stations, as well as petroleum storage facilities with a combined capacity of about 1.2 million metric tonnes. Named clients and geographies in its project portfolio include Gazprom in Russia, NAK Naftogas of Ukraine, and ROM-PETTROL in Romania. Beyond EPC contracting, Zangas has expanded into two adjacent lines of business. It is building on its engineering and construction expertise to participate directly in hydrocarbon exploration and production, with the Toual II project in Algeria cited as its direct participation in exploration and field development. Historically, Zangas HTB GmbH was also involved in natural gas trading, selling natural gas received as payment in kind (on a compensation basis) for the construction of gas pipelines; today the Zangas Group says it is actively developing energy products trading, offering delivery of commodities — including natural gas, electricity and fertilizers — to clients in Central and Eastern Europe to secure supply volumes at optimal prices and favourable delivery terms. The company operates through a group structure that includes Zangas Hoch- und Tiefbau GmbH as the EPC services entity and Zangas HTB GmbH in the trading business. Its management team combines long oil and gas industry experience: Alexey Serebrennikov serves as Chief Operating Officer of Zangas Hoch- und Tiefbau GmbH, with over 20 years in the oil and gas industry including managerial positions at Russian oil companies, while Viktor Golobokov, an independent consultant, has worked at managerial positions in ZaNGaS since 1989, including Chief Engineer and director of representative offices in Bulgaria, Greece and Ukraine. The company is privately held and is not known to be listed on a stock exchange.

History

Zangas Hoch- und Tiefbau GmbH is a Czech-registered engineering, procurement and construction (EPC) contractor operating in the oil and gas infrastructure sector. Its corporate history is closely tied to the construction of large-diameter pipeline systems and associated midstream facilities across Eastern Europe, the Balkans, the Middle East, Asia and Africa. The company's roots in the sector reach back at least to the late 1980s: according to its official website, Viktor Golobokov has worked at managerial positions in ZaNGaS since 1989, serving as Chief Engineer and as director of the company's representative offices in Bulgaria, Greece and Ukraine, and later as Deputy General Director and Deputy Chairman of the Supervisory Board. This suggests that the ZaNGaS organisation was already active in cross-border pipeline construction in the late Soviet and early post-Soviet period. Over the following decades the company built a substantial project portfolio. Its website states that it has successfully completed over 100 EPC projects in 23 countries on four continents. The portfolio includes roughly 70 linear pipeline projects — about 6,000 km of gas pipelines, 1,000 km of oil pipelines, 2,000 km of oil product pipelines and 100 km of water pipelines, together with 13 big river crossings. It also includes 36 oil and gas field development projects (13 gas treatment facilities, 7 oil treatment facilities and 16 field development service packages) and 230 pipeline infrastructure facilities, among them 22 compressor stations, 6 pumping stations, 22 gas gathering stations, 40 metering stations and 140 block valve and launcher/receiving stations. The company has also delivered 14 petroleum storage facilities with a total storage capacity of about 1.2 million metric tonnes. Named examples in its completed-projects list include a gas pipeline in the Tambov region of Russia for Gazprom, gas pipelines in the Crimea Peninsula and gas transmission pipelines in the Carpathian region for NAK Naftogas of Ukraine, and double-line underwater crossings of a transmission gas pipeline (river Danube) for ROM-PETTROL in Romania. In parallel with its EPC contracting business, Zangas has developed a commodities trading arm. Historically, Zangas HTB GmbH was involved in natural gas trading, selling natural gas received as payment in kind (on a compensation basis) for the construction of gas pipelines. Today the Zangas Group says it is actively developing energy products trading, offering delivery of commodities — natural gas, electricity and fertilizers — to clients in Central and Eastern Europe to secure volumes of supply at optimal prices and on favourable delivery terms. More recently, the company has moved into upstream activities. It states that it is expanding into Exploration & Production, building on its engineering and construction expertise in the oil and gas industry, and cites the Toual II project in Algeria as representing its direct participation in hydrocarbon exploration and field development. The company operates as a group, with Zangas Hoch- und Tiefbau GmbH as the EPC services entity and Zangas HTB GmbH in the trading business. Its management team combines long industry experience: Alexey Serebrennikov is Chief Operating Officer of Zangas Hoch- und Tiefbau GmbH, with over 20 years in the oil and gas industry including managerial positions at Russian oil companies such as Rosneft, Lukoil and UralOil Company, and a track record of EPC projects in CIS and Middle East countries. The company is privately held and is not known to be listed on a stock exchange.

  • 1989

    Viktor Golobokov begins working at managerial positions in ZaNGaS, later serving as Chief Engineer and director of representative offices in Bulgaria, Greece and Ukraine.

  • Company reports having successfully completed over 100 EPC projects in 23 countries on 4 continents.

  • Company reports completion of about 70 linear pipeline projects, including 6,000 km of gas pipelines, 1,000 km of oil pipelines, 2,000 km of oil product pipelines and 100 km of water pipelines.

  • Company reports completion of 36 oil and gas field development projects and 230 pipeline infrastructure facilities.

  • Company reports delivery of 14 petroleum storage facilities with total storage capacity of about 1.2 million metric tonnes.

  • Zangas expands into Exploration & Production, citing the Toual II project in Algeria as its direct participation in hydrocarbon exploration and field development.

Products and positioning

EPC services provider offering on-time and cost-efficient turn-key delivery of oil and gas midstream facilities to the highest quality standards, using advanced technical solutions.

  • Gas pipelines

    Linear pipeline construction; company reports about 6,000 km of gas pipelines completed.

  • Oil pipelines

    Company reports about 1,000 km of oil pipelines completed.

  • Oil product pipelines

    Company reports about 2,000 km of oil product pipelines completed.

  • Water pipelines

    Company reports about 100 km of water pipelines completed.

  • Compressor stations

    Company reports 22 compressor stations completed.

  • Pumping stations

    Company reports 6 pumping stations completed.

  • Gas gathering stations

    Company reports 22 gas gathering stations completed.

  • Metering stations

    Company reports 40 metering stations completed.

  • Block valve and launcher/receiving stations

    Company reports 140 block valve and launcher/receiving stations completed.

  • Petroleum storage facilities

    Company reports 14 petroleum storage facilities with total storage capacity of about 1.2 million metric tonnes.

  • Gas treatment facilities

    Company reports 13 gas treatment facilities completed as part of field development projects.

  • Oil treatment facilities

    Company reports 7 oil treatment facilities completed as part of field development projects.

  • Commodities trading

    Natural gas, electricity and fertilizers trading, with delivery to clients in Central and Eastern Europe.

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