Lahmeyer International

What Lahmeyer International does

Lahmeyer International GmbH is a German engineering consulting firm that provides planning, management, and consultancy services for complex infrastructure projects, with primary focus on energy, hydropower, and water resources. Established as an internationally recognized engineering company with approximately 60 years of operating history, the firm operates from Bad Vilbel, Germany, and was acquired by the Dornier Group in January 2026, becoming a wholly-owned subsidiary within the diversified infrastructure services group.

The firm delivers end-to-end services across the full project lifecycle — from development and feasibility through design, contracting, implementation, and operation. Its service portfolio is organized into two main divisions: an Energy practice covering Gas-to-X (conventional thermal plus green hydrogen, decarbonization, and green molecules), Transmission & Distribution (including Battery Energy Storage Systems for grid stabilization), Renewables (wind, PV), and Energy Transition Advisory; and a Hydropower and Water Resources practice covering electro-mechanical equipment, water resources development, pumped storage, and hydropower design and construction. The technology stack is described as 'state-of-the-art engineering tools' used for hydraulic, structural, and grid design; no proprietary software product, API, or app is offered.

Commercial operations run on a professional services model: project-based consulting engagements priced as custom mandates rather than standardized products, sourced through direct enterprise relationships with utilities, private investors, project developers, and lenders. The go-to-market motion is enterprise field sales, with geographic emphasis on developing and emerging countries in Africa and Asia where the firm cites high local acceptance. Revenue is generated through billable project work; no pricing is publicly disclosed, and total revenue is not reported in available data.

Name

Lahmeyer International

Legal name

Lahmeyer International GmbH

Website

https://lahmeyer.de

Company type

Private

Founded year

1964

Operating status

Acquired

Headcount range

51–100 employees

Short description

Lahmeyer International GmbH is a German engineering consulting firm providing planning, design, and advisory services for complex energy, hydropower, and water resources infrastructure projects. It serves utilities, private investors, project developers, and lenders globally, and became part of Dornier Group in January 2026.

Ownership category

akta.pro rank

Product category

Infrastructure Engineering Consulting

NAICS

Architectural, Engineering, and Related Services (5413), Management, Scientific, and Technical Consulting Services (5416)

akta.pro primary industry

Energy Systems & Power Engineering Consulting (BPAHAIAG)

akta.pro secondary industry

Water, Wastewater & Hydraulics Engineering Consulting (BPAHAIAD)

Keywords

• Engineering consulting services
• Hydropower consulting
• Energy infrastructure consulting
• Water resources engineering
• Transmission distribution consulting

Headquarters

HQ city

Bad Vilbel

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Consulting Services: Professional consulting and engineering services for complex infrastructure projects in energy, hydropower, and water resources. Services span project development, design, contracting, implementation, and operation phases. Revenue is generated through project-based consulting engagements with utilities, private investors, project developers, and lenders worldwide.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Lahmeyer International provides planning, management, and consultancy services for complex infrastructure projects, primarily in energy, hydropower, and water resources. The firm supports utilities, private investors, project developers, and lenders through all project phases from feasibility and project development through design, contracting, implementation, and operation. Key practice areas include energy (Gas-to-X, Transmission & Distribution, Renewables, Energy Transition Advisory) and Hydropower & Water Resources (electro-mechanical equipment, pumped storage, and water resources development).

Product overview

Lahmeyer International is an engineering consulting company that offers a comprehensive portfolio of planning and consultancy services for complex infrastructure projects. The company operates two main service divisions: Energy (encompassing Gas-to-X, Transmission & Distribution, Renewables, and Energy Transition Advisory) and Hydropower and Water Resources (including Electro-Mechanical Equipment, Water Resources Development, Pumped Storage Projects, and Hydropower Design and Construction). Since January 2026, Lahmeyer International is part of the Dornier Group, enabling a coordinated service portfolio for Power & Heat, Hydro, Renewables and Mobility worldwide. The company supports clients throughout all project phases from development to operation.

Differentiator

Problem solved

Functional benefit

Products and services

• Energy Consulting Services Comprehensive consulting and engineering services for energy infrastructure projects, covering project development, design, contracting, implementation, and operation, with expertise in conventional thermal power plants and innovative energy-transition technologies.
• Gas-to-X Specialized project management and consulting services for complex conventional thermal power plant projects across all fuel types, integrating green hydrogen production, decarbonization solutions, and green molecule technologies to drive the energy transition.
• Transmission & Distribution Consulting services across all project phases for transmission and distribution assets including substations, overhead lines, cables, and control and monitoring systems, with Battery Energy Storage Systems expertise for grid stabilization through innovative large-scale battery hybrid storage.
• Renewables Full lifecycle consulting services for wind energy and PV projects, spanning first site investigations and assessments, project planning, design, contracting, implementation, and operation follow-up, drawing on decades of renewable project involvement.
• Energy Transition Advisory One-stop-shop integrated consulting services for complex energy projects, covering hybrid projects and H2-generation based on renewable energy to deliver sustainable and predictable energy generation.
• Hydropower and Water Resources Multi-disciplinary engineering services for hydropower development, large-scale irrigation schemes, and special hydraulic structures, combining planning and implementation expertise for complex projects worldwide.
• Electro-Mechanical Equipment Services Comprehensive services for hydropower equipment including planning, design, contracting, installation, and commissioning of hydraulic turbines, pumps, generators, and steel structures, with quality control and rehabilitation services.
• Water Resources Development Sustainable water resources management services including multi-purpose water use planning, climate change adaptation, flood protection, and integrated river basin development.
• Pumped Storage Projects Engineering expertise for pumped storage plant planning, design, and integration for grid stabilization, balancing energy supply and demand with rapid responsiveness.
• Hydropower Design and Construction Full range of services from feasibility studies through project implementation for hydropower and multi-purpose scheme development, leveraging state-of-the-art tools for hydraulic and structural design.

Named customers4 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Dornier GroupcoreStrategic or Co-development PartnerSince January 2026, Lahmeyer International is now part of the Dornier Group. Together, the companies offer a perfectly coordinated service portfolio for Power & Heat, Hydro, Renewables and Mobility worldwide. All experts accompany clients throughout all project phases from development to operation.

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Black & Veatch: Black & Veatch is a large global engineering, procurement, and construction firm with deep water, power, and renewable energy practices — a broader incumbent that overlaps with Lahmeyer's energy and water resources consulting.
• Stantec: Stantec is a global engineering, architecture, and environmental consulting firm with significant water and energy infrastructure practices — closely aligned with Lahmeyer's water resources and energy infrastructure consulting work.
• Ramboll: Ramboll is a large European engineering, consulting, and design firm with energy, water, and environment practices — comparable to Lahmeyer at the consulting and engineering level across the same end markets.
• Worley: Worley is a global engineering and project delivery firm focused on energy, chemicals, and resources — overlapping with Lahmeyer's energy infrastructure consulting but operating at a far larger scale across the full project lifecycle.

Direct peers

• Artelia: Artelia is a French-headquartered international engineering consultancy with strong energy, water, and infrastructure practices — a comparable peer to Lahmeyer in multi-disciplinary infrastructure consulting for utilities and developers.
• Norconsult: Norconsult is a Norwegian multidisciplinary engineering consultancy covering energy, hydropower, water, and environment — directly comparable to Lahmeyer's mix of energy and water resources consulting for public and private clients.
• ILF Consulting Engineers: ILF is a Munich-based engineering consultancy with international operations focused on energy, hydropower, water, and infrastructure — comparable to Lahmeyer in service portfolio and in serving emerging-market infrastructure clients.
• Fichtner: Fichtner is a German engineering consultancy headquartered in Stuttgart with strong practices in power generation, hydropower, energy transmission, and water — a head-to-head domestic peer to Lahmeyer for consulting mandates across the same value chain.
• AFRY: AFRY (formerly ÅF and Pöyry) is a European engineering and design consultancy with deep hydropower, energy, and water resources practices — a close functional match to Lahmeyer's hydropower/water and energy consulting offerings.
• Tractebel (Engie): Tractebel is one of the world's largest engineering and consulting firms covering energy, water, and infrastructure — directly competing with Lahmeyer across hydropower, power generation, transmission & distribution, and water resources consulting for utilities and developers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/lahmeyer-holding-gmbh

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 Lahmeyer International