Erne

What Erne does

ERNE AG Bauunternehmung is a fourth-generation, family-owned Swiss general construction contractor headquartered in Laufenburg, Switzerland. Founded in 1906 (with one source citing 1900), the company employs approximately 1,200 people across 32 nationalities and operates exclusively within Switzerland. Its service portfolio spans building construction (industrial, commercial, datacenter, hydraulic, and residential), civil engineering (road, infrastructure, and specialty civil works), conversion and renovation, and building specialties (concrete drilling, building protection, demolition). The company serves as both a direct trades contractor and, via its ERNEplus GU/TU sub-brand, a general contractor and total contractor winning work through competitive tenders, public procurement, and design competitions. Customers span government, institutional, industrial, and commercial sectors, including Roche, Bell, Lagerhäuser Aarau, SBB (Swiss Federal Railways), ProRheno Basel, and the Zurich City Police; project examples range from a 270,000-resident wastewater treatment expansion to a 350-unit affordable housing neighbourhood.

ERNE's technology stack is centered on BIM (Building Information Modeling) and VDC (Virtual Design and Construction), with an in-house BIM2FIELD methodology that converts 2D plans into 3D as-built models for field-execution coordination. The firm has invested in circular-economy practices, reusing approximately 400,000 m³ of excavated material at its Laufenburg Technology Center project, and holds ISO 9001 (quality), ISO 14001 (environmental), and ISO 45001 (occupational health and safety) certifications alongside Great Place to Work recognition. Other group entities include ERNE Holzbau, ERNEfant AG, Husner AG Holzbau, and Gebr. Meier AG Rohrleitungsbau, with ERNE Holding AG as the parent company.

ERNE generates revenue through project-based, fee-for-service construction contracts that are non-recurring but commonly span multi-year durations on large institutional and industrial projects. Pricing is bespoke and quote-based via competitive tendering with no standardized public pricing; revenue concentration sits predominantly with enterprise and public-sector clients rather than SMB volume. The group is positioning itself for structural growth via its main-contractor role on the FlexBase Group's Laufenburg Technology Center — a 1.6GW/2.1GWh battery energy storage system plus 480MW AI data center project estimated at 1-5.5 billion CHF with 2029 completion — and via a fourth-generation leadership transition with Maximilian Nägele taking over as Managing Director on October 1, 2025.

Name

Erne

Legal name

ERNE AG Bauunternehmung

Website

https://erne.ch

Company type

Private

Founded year

1900

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

ERNE AG Bauunternehmung is a fourth-generation, family-owned Swiss general construction contractor headquartered in Laufenburg, employing ~1,200 people across building construction, civil engineering, conversion, and specialty construction services for government, institutional, industrial, and commercial clients in Switzerland, with adjacent timber and pipeline subsidiaries.

Ownership category

akta.pro rank

Product category

Construction Services

NAICS

Nonresidential Building Construction (2362), Industrial Building Construction (23621), Engineering Services (54133)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540), Heavy Construction Other Than Bldg Const - Contractors (1600), Construction - Special Trade Contractors (1700)

akta.pro primary industry

Design-Build / EPC General Contracting (IMAFAAAD)

Keywords

• Building construction services
• Civil engineering construction
• General contractor services
• Construction renovation
• Pipeline construction services

Headquarters

HQ city

Laufenburg

HQ country

Switzerland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Services Revenue: ERNE generates revenue through fee-for-service construction contracts across building construction, civil engineering, conversion, and specialty construction services. Revenue is project-based and non-recurring, with large-scale projects for institutional and commercial clients contributing the majority of revenue.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels9 records

Core offering

ERNE AG Bauunternehmung is a fourth-generation Swiss construction company that delivers integrated building construction, civil engineering, conversion/renovation, timber construction, and pipeline construction services. It operates a general/total contractor model (ERNEplus) offering turnkey design-build delivery for complex industrial, commercial, public infrastructure, and residential projects across Switzerland.

Product overview

ERNE AG Bauunternehmung is a fourth-generation family-owned Swiss construction company with over 120 years of experience. The company operates as a single unified construction service provider offering integrated services across building construction (new build, industrial, commercial, datacenter, hydraulic engineering, residential), civil engineering (road, infrastructure, special civil engineering), conversion/renovation, and specialized building services. The ERNEplus sub-brand provides general contractor and total contractor services. Innovation services including BIM, engineering, and sustainability round out the portfolio. The company employs approximately 1,200 people from 32 countries and specializes in complex construction projects across Switzerland.

Differentiator

Problem solved

Functional benefit

Brands

• ERNEplus: General contractor and total contractor services offering combined building construction and civil engineering solutions under a unified project delivery model.

Products and services

• Building Construction
• Civil Engineering
• Conversion and Renovation
• ERNEplus General Contractor / Total Contractor (GU/TU)
• Building Specialties
• Timber Construction (ERNE Holzbau / Husner AG Holzbau)
• Pipeline Construction (Gebr. Meier AG Rohrleitungsbau)
• Real Estate Development

Quantifiable outcome

• Circular economy excavation reuse: ~400,000 m³ of sandy and gravelly material extracted and reused as raw material at the Laufenburg Technology Center project.

Named customers11 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

Feature2 records

Partnerships

One partnership is on record.

• FlexBase GroupcoreStrategic or Co-development Partner · 18 June 2025ERNE is the main contractor for the FlexBase Group's Laufenburg Technology Center, one of the largest construction projects in Switzerland. The project involves constructing a 1.6GW/2.1GWh battery energy storage system (BESS) and 480MW AI data centre near the Star of Laufenburg substation. ERNE is responsible for the 27-meter-deep excavation pit, foundation works, and sustainable construction including circular economy practices (reusing ~400,000 m³ of excavated material). Estimated project cost: 1–5.5 billion CHF; completion target: 2029.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• HRS Real Estate AG: Swiss total contractor specializing in turnkey construction of commercial, industrial and public buildings. Directly comparable to ERNEplus as a Swiss total-contractor competitor pursuing similar enterprise and government design-build tenders.
• Halter AG: Swiss general and total contractor focused on commercial, industrial and public-sector building projects. Highly comparable to ERNE in integrated project delivery, Swiss market focus and enterprise/government customer mix.
• Marti Group: Privately-held Swiss construction group active in building construction, civil engineering, tunneling and special trades. Directly comparable to ERNE as a multi-trade Swiss GC/total contractor competing for complex public and private infrastructure projects.
• Anliker AG: Swiss general contractor with building construction, civil engineering and renovation capabilities. Comparable to ERNE as a mid-sized, multi-trade Swiss GC competing for similar industrial, commercial and public-sector projects.
• Frutiger Group: Swiss construction group offering building construction, civil engineering, renovation and total-contractor services. Closely mirrors ERNE's multi-trade, design-build model and Switzerland-only geographic footprint.

Broad incumbents

• Implenia AG: Switzerland's largest construction and real-estate services group, covering building construction, civil engineering and tunneling. Comparable to ERNE as a Swiss general/total contractor serving industrial, public-sector and infrastructure clients, but at materially larger scale and broader scope.
• Allreal Holding AG: Swiss-listed real-estate and general contractor covering development, building construction and renovation. Comparable to ERNE in Swiss general contracting plus residential/commercial development, but with a vertically integrated real-estate arm.

Regional players

• Hochtief AG: German-headquartered global construction group with significant civil engineering, building and infrastructure capabilities. Comparable to ERNE on complex public-infrastructure project delivery, but operating primarily outside Switzerland.
• Ed. Züblin AG: German general contractor (Strabag subsidiary) covering building construction, civil engineering and turnkey projects. Comparable to ERNE in integrated design-build execution, with primary operations in Germany and adjacent markets rather than Switzerland.
• Strabag SE: Austrian-based European construction group active in building construction, civil engineering and infrastructure. Comparable to ERNE in multi-trade construction services and pipeline/infrastructure work, but at pan-European scale rather than Swiss-focused.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtiktok.com/@erne_bau
• YouTubeyoutube.com/@erne5080
• Facebookfacebook.com/ernebau
• LinkedInlinkedin.com/company/erne-gruppe
• Instagraminstagram.com/erne_bau

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries5 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 Erne