5e Byg A/s
5E Byg A/S is a privately held Danish total construction contractor founded in 2007, delivering certified sustainable building projects — residential, commercial, institutional, and parking — for pension funds, housing associations, private developers, and public-sector clients across Denmark.
- Company typePrivate
- Founded2007
- HeadquartersDenmark, United States
- Headcount51–100
- GTM typeB2B
- OfferingServices
What 5e Byg A/s does
5E Byg A/S is a privately held Danish total and main construction contractor founded in 2007 and headquartered in Cortex Park, Odense. The firm delivers turnkey building projects across five core segments: residential housing (rental, owner-occupied, senior, youth, social), corporate domiciles and commercial buildings, institutional facilities (hospitals, healthcare centers, schools, government), multi-story parking structures, and renovation. It serves institutional clients across Denmark — including pension funds (AP Pension, AP Ejendomme), housing associations (Ballerup Ejendomsselskab v/KAB), private developers (NREP, L-ejendomme), and public-sector entities (Region Syddanmark, Holbæk Kommune, Sygehus Sønderjylland).
The company's core technology proposition is sustainable construction, with demonstrated expertise in DGNB Platinum and Diamond certifications (first Danish firm to achieve both, on Middelfart Rådhus in 2019), Svanemærket (Nordic Swan Ecolabel) certified building (multiple delivered projects), EU Taxonomy 7.1 compliance, and timber/wood construction methods. Over 60% of 2025 projects were certified under DGNB or Svanemærket, with a stated target of 80%+ for 2026. The firm also reported a record-low under-5 kg CO2e/m²/year for a delivered building in 2025.
The business model is project-based contracting revenue generated through competitive tenders and direct client relationships, with individual projects typically sized at 200-250+ million DKK. Pricing is not publicly disclosed. 2025 revenue reached a record 2,106 million DKK (approximately $300M USD) with record net profit of 133 million DKK, and the company entered 2026 with an order backlog exceeding 7 billion DKK. A flat organizational structure — overhead costs reported at under 1% of revenue versus ~6% for peers — provides a structural cost advantage. Ownership is held by the five original founders plus additional management, with no disclosed external institutional or private-equity investors.
5e Byg A/s firmographics
Firmographics- Name
- 5e Byg A/s
- Legal name
- 5E Byg A/S
- Website
- https://5e-byg.dk
- Company type
- Private
- Founded year
- 2007
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- 5E Byg A/S is a privately held Danish total construction contractor founded in 2007, delivering certified sustainable building projects — residential, commercial, institutional, and parking — for pension funds, housing associations, private developers, and public-sector clients across Denmark.
- Ownership category
- akta.pro rank
5e Byg A/s industry classification
Industry- Product category
- Construction Contracting Services
- NAICS
- Nonresidential Building Construction (2362)
- SIC
- General Bldg Contractors - Nonresidential Bldgs (1540), General Bldg Contractors - Residential Bldgs (1520)
- akta.pro primary industry
- Design-Build / EPC General Contracting (IMAFAAAD)
- akta.pro secondary industries
- Commercial General Contracting (New Build) (IMAFAAAA), Public Works General Contracting (IMAFAAAG)
Keywords
Where 5e Byg A/s is headquartered
LocationHeadquarters
- HQ city
- Denmark
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
5e Byg A/s business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales, Technology or R&D
Revenue model
- Construction contracting: Revenue generated from total contracting (totalentreprise) and main contracting (hovedentreprise) services for construction projects including residential, commercial, institutional, and infrastructure buildings.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
5e Byg A/s product offering
Product offeringCore offering
5E Byg A/S operates as a total contractor (totalentreprenør) and main contractor (hovedentreprenør), delivering turnkey construction projects across Denmark for commercial, residential, institutional and healthcare clients. The company builds corporate headquarters, commercial properties, hospitals and schools, parking structures, multi-family housing, and renovation projects, with specialized expertise in DGNB- and Svanemærket-certified sustainable construction.
Product overview
5E Byg A/S is a Danish construction and contracting company established in 2007, offering comprehensive building construction services across multiple segments: residential housing (boliger), corporate headquarters (domicilbyggeri), commercial buildings (erhvervsbyggeri), institutional facilities (institutioner), parking structures (parkeringshuse), and renovation projects. The company operates as a total contractor (totalentreprenør) and main contractor (hovedentreprenør) on construction projects throughout Denmark, serving both public and private clients including AP Pension, Region Syddanmark, and various municipalities.
Differentiator
Problem solved
Functional benefit
Products and services
- Domicilbyggeri (Corporate Headquarters Construction) Construction of corporate headquarters and office domiciles for commercial occupiers across Denmark, including projects such as Esbjerg Business Park Seaport (targeted DGNB Gold), KAB-Huset, Lundbeck headquarters, and Middelfart Rådhus. Services are delivered as turnkey contracts to enterprise and institutional clients.
- Erhvervsbyggeri (Commercial and Industrial Buildings) Construction of commercial and industrial buildings including research facilities, logistics centers, and manufacturing facilities. Examples include FOSS Production & Logistics, DSV warehouses, Lundbeck Højlager, Netto central warehouse, and Flyvestation Skrydstrup. Delivered to enterprise clients across Denmark.
- Institutioner (Institutional Buildings) Construction of institutional facilities including hospitals, healthcare centers, schools, and government buildings for public sector clients across Denmark. Examples include Rigshospitalet Nordfløjen, SHS Aabenraa Akutsygehus, Regionshospital Randers, Campus Randers, and Campus Tønder. Delivered to public sector and institutional clients.
- Parkeringshuse (Parking Structures) Construction of multi-story parking garages for hospitals, commercial buildings, and residential developments. Notable projects include CPH Lufthavne (Denmark's largest P-house), Lüders in Nordhavnen, and parking structures at Glostrup Hospital, Odense University Hospital, and Bispebjerg Hospital. Includes integration features such as commercial spaces, green facades, and rooftop facilities.
- Boliger (Residential Buildings) Residential construction including rental apartments, owner-occupied units, senior housing, youth housing, and mixed-use developments. Notable projects include Munkesøhuse (97 units), Tingbjerget (213 apartments in Brønshøj), Ellebo (294 Swan-labeled social housing units in Ballerup), Kolding Sky (99 units, 19 floors), Ripple Residence, and Holbæk Fjordtårn. Served to residential developers, housing associations, and pension fund real estate arms across Denmark.
- Renovering (Renovation and Modernization) Building renovation and modernization services including the Korsløkken renovation project in Odense, which received the Odense Sustainability Prize 2015. Delivered to public sector and private clients seeking to upgrade existing buildings.
Quantifiable outcome
- Delivered record revenue of 2,106 million DKK in 2025
- +3 more outcomes
Companies that use 5e Byg A/s
Customer profileNamed customers8 records
Segments4 records
Ideal customer profiles3 records
5e Byg A/s technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
5e Byg A/s partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core and minor.
- SDU (Syddansk Universitet)coreOngoing partnership providing internship opportunities for engineering and building construction students. Experienced project managers serve as examiners and mentors for students. Many former interns have been hired as permanent employees.
- Byg til VækstminorNetwork group focused on innovation, knowhow and recruitment in the construction industry. 5E Byg contributes experiences from social clause initiatives that have helped local unemployed youth find employment or education in the trades.
Scale indicators9 records
Recent moves7 records
Expansion highlights6 records
5e Byg A/s competitors and assessment
Company assessmentDirect peers
- Enemærke & Petersen: Danish construction company specializing in residential, commercial, and institutional building projects. Direct competitor for 5E Byg in the Danish market with comparable project types and client segments.
- MT Højgaard Holding: One of Denmark's largest general contractors with extensive operations in building construction, civil engineering, and infrastructure. Highly comparable to 5E Byg in serving institutional, commercial, and residential clients across Denmark, with a similar focus on large-scale public sector projects.
- Per Aarsleff Holding: Danish construction and civil engineering group with significant building construction activities. Direct comparable in serving public and institutional clients on large building projects across Denmark, though Aarsleff is larger and more diversified into ground engineering.
- Veidekke (Danish operations): Norwegian-based Scandinavian contractor with Danish building construction operations. Direct peer competing on commercial and residential building projects in Denmark, with similar sustainability credentials and institutional client focus.
- M.J. Eriksson Holding: Danish contractor with building construction and civil engineering operations. Comparable in scale and project focus, competing for institutional and commercial projects across Denmark, particularly in the Fyn region where both companies have presence.
- Hoffmann (Denmark): Danish construction company with national presence in building construction. Direct peer serving residential, commercial, and institutional clients with similar project scale and tendering approach as 5E Byg.
- NCC (Danish operations): Swedish-based construction group with substantial Danish building construction operations. Directly competes for institutional and residential projects in Denmark, with comparable expertise in sustainable construction and similar institutional client base.
Emerging players
- CASA (Nordstern/CASA): Danish residential developer and contractor. Comparable in residential construction focus, though smaller in scale and more focused on housing development than 5E Byg's broader commercial/institutional portfolio.
Broad incumbents
- Skanska (Danish operations): Swedish multinational construction company with major Danish operations, competing across commercial, residential, and institutional building segments. Larger and broader portfolio than 5E Byg but directly comparable in project types and target clients in Denmark.
- Züblin (Strabag Denmark): German-based construction group with Scandinavian operations. Broader incumbent competing on larger infrastructure and building projects in Denmark, with deeper international resources but overlapping capabilities in commercial and institutional construction.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
5e Byg A/s social profiles
Digital presence5e Byg A/s compliance and trust
Trust signalCompliance5 records
5e Byg A/s financial estimates
Financial estimateRevenue estimate
Valuation estimate
5e Byg A/s leadership team
Management profileNumber of profiles
Profiles10 records
5e Byg A/s funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
5e Byg 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 5e Byg A/s
What does 5e Byg A/s do?
5E Byg A/S operates as a total contractor (totalentreprenør) and main contractor (hovedentreprenør), delivering turnkey construction projects across Denmark for commercial, residential, institutional and healthcare clients. The company builds corporate headquarters, commercial properties, hospitals and schools, parking structures, multi-family housing, and renovation projects, with specialized expertise in DGNB- and Svanemærket-certified sustainable construction.
Is 5e Byg A/s a public or private company?
5e Byg A/s is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was 5e Byg A/s founded?
5e Byg A/s was founded in 2007. It employs 51 to 100 people.
Where is 5e Byg A/s based?
5e Byg A/s is headquartered in Denmark, United States, in the North America region.
How does 5e Byg A/s make money?
One revenue line is on record: construction contracting.
Who are 5e Byg A/s's main competitors?
Direct peers on record are Enemærke & Petersen, MT Højgaard Holding, Per Aarsleff Holding, Veidekke (Danish operations), M.J. Eriksson Holding, Hoffmann (Denmark) and NCC (Danish operations). CASA (Nordstern/CASA) is listed as an emerging player. Broad incumbents are Skanska (Danish operations) and Züblin (Strabag Denmark).
Does 5e Byg A/s have an API?
No public API is recorded for 5e Byg A/s.
What industry is 5e Byg A/s in?
5e Byg A/s's product category is Construction Contracting Services. Its primary akta.pro industry code is IMAFAAAD, Design-Build / EPC General Contracting, with a secondary code of IMAFAAAA, Commercial General Contracting (New Build). Its NAICS code is 2362 and its SIC code is 1540.