Langberg A/S
Langberg A/S is a third-generation, family-owned Danish construction contractor offering nationwide underground infrastructure installation services — cable burial, certified sewer work, horizontal directional drilling, earth ramming, chain trenching, and cable plowing — to energy and telecom firms, contractors, and private property owners.
- Company typePrivate
- Founded1963
- HeadquartersHørning, Denmark
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Langberg A/S does
Langberg A/S, formally Entreprenørfirmaet Langberg A/S (CVR 39900319), is a family-owned Danish construction contractor specializing in underground infrastructure installation. Founded in its current form in 1963 with roots tracing back to the 1930s, the company is in its third generation of family ownership and operates with approximately 50 employees from an administration office in Hørning and two operational branches in Østjylland (Rask Mølle, led by Michael Sommer Poulsen) and Vestjylland. It markets nationwide coverage across Jutland, Fyn, and the bridge-connected Danish islands.
The company's core offering is a portfolio of six interrelated installation services for cables, pipes, and sewers: Kabelnedgravning (cable burial with tracked excavators, backhoes, and mini-excavators), Kloakering (certified sewer work performed by authorized sewer masters), Styret underboring (controlled horizontal directional drilling capable of up to 300-meter crossings under waterways, railways, and soft ground, practiced for nearly 20 years), Underboring med raket (earth ramming for fiber and micro-cables under gardens and small roads), Kædegravning (chain trenching for ground-heat and narrow-access work), and Nedpløjning (cable and pipe plowing via a 35-ton plow vehicle for open terrain). Underlying capability is a modern in-house equipment fleet and certified personnel rather than proprietary software; the firm holds affiliation with Byggeriets Kvalitetskontrolordning, AMU Kontrolordning, and Dansk Byggeri.
Langberg generates revenue through project-based contracting services, with prices customized per engagement based on scope, site conditions, and equipment requirements. The go-to-market is sales-led and direct: customers reach out via phone or email, the company dispatches representatives for on-site assessments, and tailored quotes are issued. Customer segments span large unnamed energy and telecommunications companies requiring enterprise cable and pipe infrastructure, smaller contractors subcontracting installation work, and private residential or commercial property owners needing fiber, electrical, or ground-heating connections. Marketing is limited to a service-oriented company website, direct phone lines per department, and recruitment-driven employer branding, with no disclosed digital advertising or content marketing.
Langberg A/S firmographics
Firmographics- Name
- Langberg A/S
- Legal name
- Entreprenørfirmaet Langberg A/S
- Website
- https://langberg.dk
- Company type
- Private
- Founded year
- 1963
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Langberg A/S is a third-generation, family-owned Danish construction contractor offering nationwide underground infrastructure installation services — cable burial, certified sewer work, horizontal directional drilling, earth ramming, chain trenching, and cable plowing — to energy and telecom firms, contractors, and private property owners.
- Ownership category
- akta.pro rank
Langberg A/S industry classification
Industry- Product category
- Underground Infrastructure Construction Services
- NAICS
- Plumbing, Heating, and Air-Conditioning Contractors (238220)
- SIC
- Water, Sewer, Pipeline, Comm & Power Line Construction (1623)
- akta.pro primary industry
- Underground & Submarine Cable EPC (HV/EHV) (EUAEABAB)
Keywords
Where Langberg A/S is headquartered
LocationHeadquarters
- HQ city
- Hørning
- HQ country
- Denmark
- HQ region
- Europe
Offices3 records
Markets served
Langberg A/S business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales
Revenue model
- Infrastructure Construction Services: Project-based contracting services for cable and pipe burial, sewage installation, and directional drilling. Revenue generated through one-time project fees based on scope, site conditions, and equipment requirements.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | Project-specific pricing based on scope and conditions |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels3 records
Langberg A/S product offering
Product offeringCore offering
Langberg A/S performs underground installation of cables, pipes, and sewers across Denmark using specialized machinery including directional boring machines, chain trenchers, plow trucks, and tracked excavators. The company delivers six interrelated construction services — cable burial, sewer installation, controlled directional drilling, earth ramming, chain trenching, and cable plowing — typically dispatched to customer sites after on-site assessment and tailored quotation.
Product overview
Langberg A/S is a family-owned construction contractor (established in its current form in 1963, dating back to the 1930s) offering a unified set of infrastructure installation services for cable and pipe systems. The company's core service portfolio includes six interrelated services: Kabelnedgravning (cable burial), Kloakering (sewer work), Styret underboring (controlled guided boring), Underboring med raket (earth ramming), Kædegravning (chain excavation), and Nedpløjning (plow burial). These services are offered as standalone offerings that can address different customer needs—from small residential projects to large infrastructure projects—and often work together as part of total solutions for cable and pipe system establishment. The company operates a modern fleet of heavy equipment including tracked excavators, backhoes, mini-excavators, and specialized boring machines, and employs approximately 50 staff members across offices in Østjylland (East Jutland), Vestjylland (West Jutland), and an administration office in Hørning.
Differentiator
Problem solved
Functional benefit
Products and services
- Kabelnedgravning (Cable Burial)
Companies that use Langberg A/S
Customer profileNamed customers3 records
Segments3 records
Ideal customer profiles3 records
Langberg A/S technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Langberg A/S partnerships and signals
Strategic signalScale indicators4 records
Recent moves5 records
Expansion highlights5 records
Langberg A/S competitors and assessment
Company assessmentBroad incumbents
- Per Aarsleff A/S: Denmark's largest domestic infrastructure contractor with a deep foundation and pipeline business (Aarsleff Ground Engineering) directly competing in cable and pipe burial, including directional drilling. Comparable because they serve the same Danish utility and energy customers with overlapping trenchless and pipe-jacking capabilities, but at materially greater scale.
- MT Højgaard Danmark: One of Denmark's largest general contractors with significant infrastructure and utility construction exposure. Comparable because it competes for Danish cable laying, sewer, and ground engineering contracts, though it operates a much broader portfolio spanning buildings, civil works, and large-scale energy projects.
- Strabag AG: European construction leader with significant underground, pipeline, and cable infrastructure operations. Comparable because it competes for utility-scale trenchless and pipeline projects across Europe, increasingly including Scandinavian energy transition work.
- Ed. Züblin AG: German construction major with a dedicated tunneling and underground engineering division. Comparable because it executes long-distance directional drilling and pipe jacking projects in Europe, often subcontracting on Danish or Nordic utility corridor projects.
- NCC Danmark: Nordic construction major with a Danish infrastructure division covering roads, pipelines, and utility installations. Comparable because it serves the same Danish municipal and utility customers for underground infrastructure projects, but at much larger scale and across broader construction categories.
Direct peers
- Aarsleff Ground Engineering: Specialist division of Aarsleff focused on foundation and trenchless pipeline installation across Europe. Comparable because it directly competes in controlled directional drilling and pipe ramming services, including the larger-scale versions of Langberg's core offerings.
- Arkil Holding A/S: Danish contractor with road, bridge, and underground infrastructure operations including cable laying and sewer work. Comparable because it competes for the same Danish municipal and utility infrastructure projects as Langberg, with a similar multi-decade pedigree.
- Munck Gruppen: Danish infrastructure contractor with cable laying, sewer, and ground-source heating installation services. Directly comparable to Langberg in service mix, customer base (utilities, energy, private customers), and Danish nationwide footprint, making it the closest direct competitor.
- Eltel Group: Nordic specialist in power and telecom network infrastructure, including cable installation and trenchless deployment for utilities. Comparable because Eltel directly competes for the same fiber and energy cable burial work that is Langberg's primary service line, with a pan-Nordic footprint.
Regional players
- J. Müller (J.Müller Weserport): German heavy civil and infrastructure contractor with trenchless technology services. Comparable in technique (HDD, pipe ramming) and customer type (energy and telecom utilities), but focused primarily on the German market rather than Denmark.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
Langberg A/S social profiles
Digital presenceLangberg A/S compliance and trust
Trust signalCompliance1 record
Langberg A/S financial estimates
Financial estimateRevenue estimate
Valuation estimate
Langberg A/S leadership team
Management profileNumber of profiles
Profiles2 records
Langberg A/S funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Langberg A/S 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 Langberg A/S
What does Langberg A/S do?
Langberg A/S performs underground installation of cables, pipes, and sewers across Denmark using specialized machinery including directional boring machines, chain trenchers, plow trucks, and tracked excavators. The company delivers six interrelated construction services — cable burial, sewer installation, controlled directional drilling, earth ramming, chain trenching, and cable plowing — typically dispatched to customer sites after on-site assessment and tailored quotation.
Is Langberg A/S a public or private company?
Langberg A/S is a private company. It is classified as family owned and is currently operating.
When was Langberg A/S founded?
Langberg A/S was founded in 1963. It employs 11 to 50 people.
Where is Langberg A/S based?
Langberg A/S is headquartered in Hørning, Denmark, in the Europe region.
How does Langberg A/S make money?
One revenue line is on record: infrastructure Construction Services.
Who are Langberg A/S's main competitors?
Broad incumbents on record are Per Aarsleff A/S, MT Højgaard Danmark, Strabag AG, Ed. Züblin AG and NCC Danmark. Direct peers are Aarsleff Ground Engineering, Arkil Holding A/S, Munck Gruppen and Eltel Group. J. Müller (J.Müller Weserport) is listed as a regional player.
Does Langberg A/S have an API?
No public API is recorded for Langberg A/S.
What industry is Langberg A/S in?
Langberg A/S's product category is Underground Infrastructure Construction Services. Its primary akta.pro industry code is EUAEABAB, Underground & Submarine Cable EPC (HV/EHV). Its NAICS code is 238220 and its SIC code is 1623.