What Infratech Bau does

Infratech Bau, rebranded to SPIE Infratech GmbH effective July 1, 2025, is a German full-service infrastructure construction firm specializing in broadband and fiber optic network expansion alongside conventional civil engineering. The company delivers passive NGA infrastructure covering FTTB, FTTC, and FTTH deployments — including trenching, horizontal directional drilling (HDD), intelligent cable blowing, fiber optic splicing and OTDR testing, and surface restoration — as well as sewer and drainage construction up to 5 m depth, road and earthworks, and industrial/commercial site development. Operating capabilities are anchored in trenchless-installation technology, certified fiber deployment workflows, and dedicated GIS-based project documentation.

The firm operates from 19 locations across Germany and deploys a workforce of over 700 workers, supplemented by a four-region subcontractor network (Nord, Süd, Mitte, West) covering specialized trades such as HDD drilling, splicing, and fiber home connections. Customers are predominantly German municipalities, Landkreise, and Zweckverbände that award contracts via public tenders under federal and state broadband subsidy programs; telecom and energy network operators such as NetCom BW and Wemacom are served as secondary clients. Pricing is project-based, determined by public bid submissions, with multi-year contract horizons.

SPIE Infratech is a wholly-owned subsidiary of SPIE, a publicly listed European multi-technical services group headquartered in France with approximately 50,000 employees and consolidated revenue of €8.1 billion in 2023. Integration into SPIE provides capital backing, procurement leverage, and access to adjacent multi-technical service lines, while the subsidiary retains its operational structure under the leadership of Geschäftsführer Michael Mannott following the mid-2024 departure of predecessor Andreas Muchall.

Name

Infratech Bau

Legal name

SPIE Infratech GmbH

Website

https://infratech-bau.de

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Infratech Bau (SPIE Infratech GmbH) is a German infrastructure construction firm specializing in FTTH/FTTB broadband expansion, cable and pipeline installation, road and sewer construction. It deploys 700+ workers across 19 German locations, serving municipalities, public utility associations, and telecom operators via public tenders, as a subsidiary of SPIE.

Ownership category

akta.pro rank

Headquarters

HQ city

Meppen

HQ country

Germany

HQ region

Europe

Offices19 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Public Infrastructure Construction Contracts: Revenue is generated through project-based construction contracts awarded via public tenders, primarily from municipal governments, Zweckverbände (municipal broadband associations), and federal/state broadband subsidy programs. Projects span broadband/fiber network construction, canal/drainage works, road construction, and energy network infrastructure.
2. Consulting and Project Management Services: Planning, project engineering, project coordination, construction management and construction supervision services billed as part of project contracts or as standalone consulting engagements.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Infratech Bau is a German infrastructure construction company that delivers broadband and fiber-optic network rollout projects for public-sector clients, telecom operators and utilities. It also provides civil engineering, sewer construction, road and earthworks, industrial/commercial construction and power grid construction services. Its offerings span consulting, planning, civil works, cable laying, fiber splicing, and as-built documentation across more than 700 employees and multiple German offices.

Product overview

Infratech Bau (trading as SPIE Infratech GmbH since July 2025) is a full-service infrastructure construction company offering a unified portfolio of integrated service lines. The core offering spans Consulting (planning, project management, construction management and supervision), Netz- und Leitungsbau (network and pipeline construction), Kanalbau (sewer/drainage construction), Straßen-, Tief- & Erdbau (road, civil engineering and earthworks), and Industrie- und Gewerbebau (industrial/commercial construction). The company's primary focus is Breitbandausbau (broadband expansion) — passive NGA/FTTB/FTTC/FTTH fiber optic network construction including civil engineering, cable installation, splicing, and house connections — complemented by specialized Montage und Spleißtechnik (fiber optic splicing and termination) and Stromnetz- und Energienetzbau (power and energy network construction). These services are delivered as an integrated single-source offering, with the company operating nationwide from multiple German locations.

Differentiator

Problem solved

Functional benefit

Products and services

• Consulting (Beratung) Advisory and planning services for broadband rollout and infrastructure projects, supporting municipal, utility and telecom clients from concept through execution.
• Netz- und Leitungsbau (Network and Pipeline Construction) Construction of underground cable networks and pipelines for telecom, power and utility operators, including trenching, laying and backfilling.
• Kanalbau (Sewer Construction) Construction and rehabilitation of sewer systems for municipalities and industrial clients as part of civil engineering works.
• Straßen-, Tief- und Erdbau (Road, Civil and Earthworks) Road construction, civil works and earthmoving services executed as part of infrastructure rollout and site preparation projects.
• Industrie- und Gewerbebau (Industrial and Commercial Construction) Construction services for industrial plants and commercial properties, including site civil works, utility connections and structural preparation.
• Breitbandausbau (Broadband Expansion) End-to-end fiber-optic broadband rollout for municipalities and telecom operators, including planning, civil works, cable installation and documentation.
• Montage und Spleißtechnik (Fiber-Optic Assembly and Splicing) Certified fiber-optic cable assembly, splicing and OTDR testing services delivered as part of telecom network rollout projects.
• Stromnetz- und Energienetzbau (Power and Energy Grid Construction) Construction of power and energy distribution grids for utility clients, including cable laying, substation civil works and grid connection services.

Quantifiable outcome

• Approximately 3,400 addresses in Gladbeck to receive internet connectivity via new POP (Point of Presence), including ~400 addresses in Gladbeck Brauck Süd with fiber connectivity
• +1 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles3 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• SPIE (SPIE Germany Switzerland Austria GmbH)coreStrategic or Co-development PartnerSPIE Infratech is a subsidiary of SPIE, the leading independent European multi-technical services provider for buildings, facilities, and infrastructure. SPIE supports all project phases from consulting and planning through construction, operation, maintenance, and renewal. Founded in 1900 to electrify the Paris Métro, SPIE employs over 50,000 people and generated consolidated revenue of €8.1 billion and consolidated EBITA of €511 million in 2023. As of July 1, 2025, Infratech officially became SPIE Infratech GmbH, with all contracts, contacts, and ongoing projects continuing unchanged. SPIE's brand, scale, and resources provide Infratech with significant financial backing, procurement leverage, and operational support.

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Leonhard Weiss GmbH & Co. KG: Large German construction company headquartered in Satteldorf with strong Tiefbau, road construction, and broadband/fiber infrastructure capabilities. Directly comparable to Infratech Bau in civil engineering services for municipal broadband and energy network projects across Germany, with similar workforce scale and public-sector customer base.
• Köster GmbH: German construction group with Tiefbau, civil engineering, and infrastructure capabilities serving public and private clients. Comparable in business mix (civil works, road, utility construction) and competes for similar municipal and Zweckverband infrastructure tenders across German federal states.
• BBT-Gruppe (Breitband-Bau Thüringen): German specialist contractor focused on passive fiber optic network construction (FTTH/FTTB) and broadband infrastructure for municipal and Zweckverband clients. Directly comparable niche competitor in the same broadband build-out segment with similar reliance on public tenders and government subsidy programs.
• Wilhelm Geiger GmbH & Co. KG: Mid-sized German construction company with Tiefbau, road construction, and infrastructure services. Similar customer profile (municipal governments, public clients) and overlapping service lines in civil engineering, cable/pipeline construction, and surface restoration work across southern Germany.
• SPIE SAG GmbH: Sister company within the SPIE group providing multi-technical services for energy networks, telecom infrastructure, and industrial facilities in Germany. Most direct internal comparable - sister entity within the same parent group offering overlapping Tiefbau, cable installation, and broadband network construction capabilities.
• Stieblich Bau GmbH: Mid-sized German Tiefbau and road construction firm offering cable laying, pipeline construction, and civil engineering for municipal infrastructure. Direct peer competing for similar public tenders in northern/central Germany, with comparable reliance on municipal broadband projects and energy network construction.

Broad incumbents

• Implenia AG: Swiss-based construction services group with significant German operations in civil engineering, Tiefbau, and infrastructure. Larger and more diversified than Infratech Bau but overlaps on German civil works, tunneling, and energy/infrastructure projects that increasingly bundle fiber and power network construction.
• Deutsche Glasfaser Wholesale GmbH: Major German fiber-to-the-home network operator and wholesale provider that contracts civil works and fiber construction to firms like Infratech Bau. Indirect peer - serves as both a customer-adjacent counterparty and a potential competitor for vertically integrated delivery in rural German broadband markets.
• STRABAG AG: Major European construction group with substantial German operations (STRABAG AG, Züblin, etc.) covering Tiefbau, road construction, and broadband/utility infrastructure. Larger and more diversified than Infratech Bau but competes in the same public tenders for civil works, energy networks, and broadband rollout projects in Germany.

Others

• NetCom BW GmbH: Regional telecom operator in Baden-Württemberg that contracts network construction to firms like Infratech Bau (e.g., the Grabenstetten project, ~650 connections handed over after build). Customer and ecosystem partner rather than direct competitor, but its procurement approach and bundling of civil works illustrates the customer-side structure of the market.

Market position

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Instagraminstagram.com/infratech_bau
• LinkedInlinkedin.com/company/infratech-bau

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Infratech Bau