Bohlen & Doyen Bau

What Bohlen & Doyen Bau does

Bohlen & Doyen Bau GmbH is a German construction and engineering services company specializing in energy infrastructure, headquartered in Wiesmoor, Ostfriesland, and operating exclusively in Germany. Founded in 1950 as an East Frisian construction firm, the company has evolved into a full-service provider for the energy sector, employing more than 700 staff and handling projects ranging from €500,000 to €50 million in contract value. Its customer base consists primarily of energy utilities, gas network operators, transmission system operators, and power companies, with named customers including SH Netz and Telekom.

The company's service portfolio spans the full energy infrastructure lifecycle: pipeline and plant service for gas networks, underground cable installation (Landkabelbau) for transmission networks exceeding 80 km, plant construction including pressure regulation systems, hydrogen filling stations and power-to-gas plants, pipeline construction, civil engineering (Tiefbau), hydraulic engineering for coastal protection (Wasserbau), trenchless horizontal drilling using rigs with 4 to 250 tons of pulling force, and non-destructive materials testing for pressure vessels. The technical differentiator is the combination of heavy specialized equipment (large-tonnage HDD rigs) with a qualified workforce capable of executing complex trenchless installations without surface disruption.

Bohlen & Doyen operates a project-based revenue model combining one-time infrastructure construction contracts with recurring service and maintenance agreements for installed gas networks and facilities. Distribution is direct enterprise field sales targeting German utilities and TSOs through competitive bidding and relationship-based acquisition. The company shares HR infrastructure, career portals, and data protection services with Friedrich Vorwerk Group SE, indicating an operational affiliation while retaining independent GmbH status. There is no public ticker, no disclosed funding history, and no parent ownership structure evident in available sources.

Name

Bohlen & Doyen Bau

Legal name

Bohlen & Doyen Bau GmbH

Website

https://bohlen-doyen.com

Company type

Private

Founded year

1950

Operating status

Operating

Headcount range

101–250 employees

Short description

Bohlen & Doyen Bau GmbH is a German specialist contractor serving energy utilities and transmission system operators with pipeline construction, underground cable installation, hydrogen and power-to-gas plant construction, trenchless drilling, and infrastructure maintenance services across Germany.

Ownership category

akta.pro rank

Product category

Energy infrastructure construction services

NAICS

Oil and Gas Pipeline and Related Structures Construction (23712), Power and Communication Line and Related Structures Construction (237130), Utility System Construction (2371), Heavy and Civil Engineering Construction (237)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro primary industry

Construction Management & General Contracting (EPCM, Scheduling, QA/QC, HSE) (EUAMAFAJ)

akta.pro secondary industries

Overhead & Underground Collection System Construction (MV/HV Lines, Duct Banks) (EUAEADAG), Substation & Interconnection EPC (Collector/POI Substations, Switchyards) (EUAEADAC), Civil & Site Works EPC (Earthworks, Roads, Drainage, Foundations) (EUAEADAA), Transmission line EPC & construction (overhead) (EUADAKAA)

Keywords

• Energy infrastructure construction
• Pipeline construction services
• Underground cable installation
• Civil engineering services
• Horizontal drilling services

Headquarters

HQ city

Wiesmoor

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Infrastructure Construction Services: Revenue generated from construction projects for energy infrastructure including pipelines, cable systems, industrial plants, civil engineering, hydraulic engineering, and drilling services. Projects range from 500,000 to 50 million Euro contract values.
2. Service and Maintenance: Ongoing service contracts for gas networks, gas facilities, and maintenance of installed energy infrastructure.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Bohlen & Doyen Bau GmbH is a full-range construction services provider for energy infrastructure in Germany. Its portfolio covers pipeline construction, gas network and plant service, underground land cable installation, plant construction (including hydrogen fueling and power-to-gas facilities), civil engineering, hydraulic/coastal engineering, trenchless horizontal drilling, and non-destructive materials testing. Services are delivered to energy utilities, gas network operators, and public/private construction clients on projects typically valued between 500,000 and 50 million euros.

Product overview

Bohlen & Doyen Bau GmbH is a full-range provider of construction services for energy infrastructure. Rather than a unified software product, the company offers a portfolio of specialized construction and engineering services organized around energy network building and maintenance. The core offerings include Pipeline- & Anlagenservice (pipeline and plant service for gas networks), Anlagenbau (plant construction including hydrogen and power-to-gas facilities), Pipelinebau (pipeline construction), Landkabelbau (underground cable installation for transmission networks), Tiefbau (civil engineering), Wasserbau (hydraulic engineering for coastal protection), Bohrtechnik (trenchless drilling technology with equipment from 4-250 tons), and Zerstörungsfreie Werkstoffprüfung (non-destructive materials testing). These services are delivered by a team of over 700 employees with more than 70 years of experience in building and maintaining energy networks as part of Germany's energy transition.

Differentiator

Problem solved

Functional benefit

Products and services

• Pipeline- & Anlagenservice (Pipeline and Plant Service) Reliable and economical service for gas networks and gas plants, supporting gas network operators with documentation, maintenance, and operations support.
• Landkabelbau (Underground Cable Construction) Realization of underground transmission networks (80 km+) as part of Germany's energy transition (Energiewende), targeted at transmission system operators and utilities.
• Anlagenbau (Plant Construction) Complete solutions in gas plant technology, including pressure regulation systems, hydrogen fueling stations, and power-to-gas plants, for utilities and industrial energy customers.
• Pipelinebau (Pipeline Construction) Development of individual pipeline solutions tailored to environmental conditions and pipeline requirements, serving gas network operators and industrial energy clients.
• Tiefbau (Civil Engineering) Solid and precisely executed earth and civil engineering work for public and private construction clients, supporting trenching and site preparation for energy and infrastructure projects.
• Wasserbau (Hydraulic Engineering) Construction and service for coastal protection, the energy transition, and infrastructure measures, serving public authorities and energy infrastructure clients.
• Bohrtechnik (Drilling Technology) Trenchless installation technology providing individual and economical pipe and cable installation using horizontal drilling rigs from 4 to 250 tons pulling force, enabling underground routing without surface disruption.
• Zerstörungsfreie Werkstoffprüfung (ZfP) – Non-destructive Materials Testing Non-destructive materials testing (including pressure vessel testing) that ensures safety and regulatory compliance of energy infrastructure using modern and reliable techniques.

Named customers2 records

Segments2 records

Ideal customer profiles1 record

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.

• Friedrich Vorwerk Group SEparent_companyStrategic or Co-development PartnerBohlen & Doyen appears to be part of the Friedrich Vorwerk Group SE, sharing career pages, training programs, and HR infrastructure. Career links redirect to friedrich-vorwerk-group.de. The Data Protection Officer (Barnet Skitek) is based at Friedrich Vorwerk Group SE headquarters in Tostedt.

Scale indicators3 records

Recent moves4 records

Expansion highlights4 records

Broad incumbents

• STRABAG: Major European construction group with a significant pipeline, civil engineering, and energy infrastructure business in Germany. Competes for larger-scale utility and infrastructure contracts across the same geographies.
• Hochtief: One of Germany's largest construction groups with broad infrastructure capabilities including energy and civil works. Competitor for major German infrastructure tenders but operates at significantly larger scale than Bohlen & Doyen.
• Leonhard Weiss: Major German construction group operating across road, rail, and energy/civil engineering with a sizable utility infrastructure business. Comparable in scale and customer mix and a direct competitor for larger German energy construction tenders.
• Friedrich Vorwerk Group SE: Publicly listed German energy infrastructure services group with overlapping gas, hydrogen, and electrical infrastructure activities. Shares HR infrastructure, training, and career platforms with Bohlen & Doyen and serves the same German utility and transmission customer base.
• Max Bögl: Large German family-owned construction company active in civil engineering, wind turbine towers, and infrastructure. Overlaps with Bohlen & Doyen in civil engineering, foundation, and renewable energy infrastructure scopes.

Direct peers

• Stuckenberg Unternehmensgruppe: Mid-sized German pipeline and plant construction group serving gas and water utilities. Closely comparable in size, service portfolio, and customer base to Bohlen & Doyen.
• Rädlinger ZT GmbH: German civil engineering and trenchless technology contractor offering horizontal directional drilling, civil works, and pipeline construction services. Direct overlap with Bohlen & Doyen's Bohrtechnik and Tiefbau capabilities.
• Josef Pfafflinger Bauunternehmung: German pipeline and plant construction contractor specializing in gas, water, and district heating networks. Directly comparable mid-sized competitor in the same regional pipeline construction market.
• PPS Pipeline Systems: German specialist pipeline construction firm offering pipeline construction, plant construction, and services for gas, water, and district heating networks. Directly competes with Bohlen & Doyen in Pipelinebau and Anlagenbau for German utility customers.

Regional players

• PORR: Austrian-headquartered construction group active across DACH region with energy infrastructure and civil engineering capabilities. Comparable business model and competes in cross-border tenders but is not domestically headquartered in Germany.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCUE315iZ6c7nhMgfmTCgDvw
• Facebookfacebook.com/BohlenundDoyen
• LinkedInde.linkedin.com/company/bohlen-&-doyen-bauunternehmung-gmbh?trk=public_jobs_topcard-org-name
• Instagraminstagram.com/bohlendoyen

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Bohlen & Doyen Bau