Erne
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.
- Company typePrivate
- Founded1900
- HeadquartersLaufenburg, Switzerland
- Headcount1,001–5,000
- GTM typeB2B
- OfferingServices
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.
Erne firmographics
Firmographics- 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
Erne industry classification
Industry- 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
Where Erne is headquartered
LocationHeadquarters
- HQ city
- Laufenburg
- HQ country
- Switzerland
- HQ region
- Europe
Offices1 record
Markets served
Erne business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- 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
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project-based construction contracts — no standardized pricing tiers. |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels9 records
Erne product offering
Product offeringCore 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.
Companies that use Erne
Customer profileNamed customers11 records
Segments5 records
Ideal customer profiles3 records
Erne technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
Erne partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- FlexBase GroupcoreERNE 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
Erne competitors and assessment
Company assessmentDirect 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
Erne social profiles
Digital presenceErne compliance and trust
Trust signalCompliance3 records
Erne financial estimates
Financial estimateRevenue estimate
Valuation estimate
Erne leadership team
Management profileNumber of profiles
Profiles2 records
Erne subsidiaries and ownership
Company hierarchySubsidiaries5 records
Erne funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Erne M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Erne
What does Erne do?
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.
Is Erne a public or private company?
Erne is a private company. It is classified as family owned and is currently operating.
When was Erne founded?
Erne was founded in 1900. It employs 1,001 to 5,000 people.
Where is Erne based?
Erne is headquartered in Laufenburg, Switzerland, in the Europe region.
How does Erne make money?
One revenue line is on record: construction Services Revenue.
Who are Erne's main competitors?
Direct peers on record are HRS Real Estate AG, Halter AG, Marti Group, Anliker AG and Frutiger Group. Broad incumbents are Implenia AG and Allreal Holding AG. Regional players are Hochtief AG, Ed. Züblin AG and Strabag SE.
Does Erne have an API?
No public API is recorded for Erne.
What industry is Erne in?
Erne's product category is Construction Services. Its primary akta.pro industry code is IMAFAAAD, Design-Build / EPC General Contracting. Its NAICS code is 2362 and its SIC code is 1540.