Byggeri København

What Byggeri København does

Byggeri København is Copenhagen Municipality's dedicated construction client unit (bygherreenhed), established in 2015 and operating under Økonomiforvaltningen (the Economy Administration). The organization manages the full lifecycle of municipal building projects — from programming, design, and procurement through execution and handover — for schools, daycare institutions, residential care homes, cultural facilities, and sports venues serving all seven of the municipality's administrative departments. It does not perform construction work directly; rather it functions as a professional client, procuring consulting services from private architecture and engineering firms and construction work from contractors via public tenders under EU procurement rules and the Danish Tender Act. The organization has grown to 85-100+ employees organized across five building offices (Byggekontor I-V), a leadership secretariat, legal department, and quality assurance function, and celebrated its 10-year anniversary in 2025.

The organization has developed proprietary construction-domain IP centered on circular economy practices. Notable outputs include the open-source Den Cirkulære Skillevæg (Circular Partition Wall) — a reusable gypsum-module wall system with 80% direct material reuse potential, co-developed with ERIK Arkitekter, Wissenberg, COWI, and Business With Impact — and a PCB Calculation Tool for assessing indoor-climate impact of reused materials, developed with Golder, Københavns Ejendomme og Indkøb, and Teknik- og Miljøforvaltningen. Byggeri København has also piloted cross-laminated timber (CLT) construction (Heerup Skole extension, 2025) and scaled reusable concrete deck systems (100+ decks salvaged from demolished nursing homes for the Rønnebo project), targeting certifications such as DGNB Gold on Beauvaisgrunden.

Byggeri København is a non-commercial public-sector entity. Its annual construction volume of 1.2-1.5 billion DKK represents municipal project budgets allocated for construction, not revenue earned from sales. The organization maintains long-term strategic partnerships (TRUST II with Enemærke & Petersen A/S as lead contractor, running 2022-2025; DSP Plus with Jakon A/S) covering projects across all municipal administrations. It publishes an open procurement pipeline on its website and operates under a public regulatory framework including an Arbejdsklausul enforcement regime ensuring compliance with labor standards on supplier construction sites.

Name

Byggeri København

Legal name

Byggeri København

Website

https://byk.kk.dk

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

51–100 employees

Short description

Byggeri København is Copenhagen Municipality's construction client unit, established in 2015, that manages building, modernization, and renovation of municipal schools, daycare institutions, care homes, cultural facilities, and sports venues across all seven municipal administrations.

Ownership category

akta.pro rank

Product category

Public Sector Construction Services

NAICS

Commercial and Institutional Building Construction (23622)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Public Works General Contracting (IMAFAAAG)

akta.pro secondary industries

Government & Civic Building Construction (Courthouses, City Halls, Public Safety) (IMAFACAF), Renovation, Remodeling & Tenant Improvements (General Contracting) (IMAFAAAE)

Keywords

• Municipal construction management
• Public building client
• Construction project management
• Public sector construction
• Sustainable construction services

Headquarters

HQ city

København NV

HQ country

Denmark

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Municipal Construction Services: Byggeri København builds for Copenhagen Municipality at 1.2-1.5 billion DKK annually. Revenue comes entirely from municipal budget allocations for construction projects. All consulting services are purchased from private architecture and engineering firms, and all construction work is performed by craft and construction companies.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels2 records

Core offering

Byggeri København is Copenhagen Municipality's dedicated construction client unit, building, modernizing and renovating schools, daycare institutions, residential care homes, cultural and leisure facilities on behalf of the municipality's seven administrations. The organization manages the entire construction process — programming, design, procurement, execution and handover — and procures all consulting and construction services from private firms through public tenders and long-term strategic partnerships. Annual construction volume is 1.2–1.5 billion DKK.

Product overview

Byggeri København is Copenhagen Municipality's construction client unit and one of Denmark's largest building clients. It delivers construction, modernization, and renovation projects for the municipality's schools, daycare institutions, residential care homes, cultural and leisure facilities. It is not a product company per se, but it has developed specific building-related tools and products made publicly available, including the PCB-udregningsværktøj (an Excel-based PCB indoor climate calculation tool) and the Den Cirkulære Skillevæg (a circular, reusable partition wall released as open-source). The organization operates across five building offices managing a portfolio of completed projects spanning schools, care homes, sports facilities, and cultural buildings, with a focus on sustainability, circular economy, and strategic partnerships. Byggeri København also publishes its procurement pipeline for contractors and advisors.

Differentiator

Problem solved

Functional benefit

Products and services

• PCB-udregningsværktøj (PCB Calculation Tool) An Excel-based tool that calculates how building materials containing PCB affect indoor climate when reused, factoring in surface area, PCB off-gassing, building dimensions and air exchange rates. Developed to enable circular-economy reuse of PCB-containing construction materials. Released publicly by Byggeri København.
• Den Cirkulære Skillevæg (The Circular Partition Wall) A circular, reusable partition wall made of gypsum modules assembled using a tongue-and-groove (fer and not) dry-joint method. Approximately 80% of wall materials can be reused directly when relocated. Fire resistance EI60; sound insulation 45dB. Published as open-source design including BIM components for use across the construction sector.
• Municipal construction client services Full-lifecycle construction client services for Copenhagen Municipality administrations: programming, design management, procurement, contract management, execution oversight and handover of public buildings including schools, daycare institutions, residential care homes, cultural facilities and sports venues. Procured via public tenders and long-term strategic partnerships (TRUST, TRUST II, DSP Plus).

Quantifiable outcome

• 80% of The Circular Partition Wall materials can be reused directly when relocated
• +2 more outcomes

Named customers5 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature4 records

Partnerships

Ten partnerships are on record, tiered core, former and minor.

• TRUST II (ByK & TRUST)coreStrategic or Co-development Partner · 1 January 2022Four-year framework agreement (2022-2025) with Enemærke & Petersen A/S as lead contractor plus Sweco Danmark A/S, Nøhr & Sigsgaard Arkitektfirma A/S, Kragh & Berglund ApS, LYTT Architecture A/S, Dominia A/S, Norconsult A/S. Covers projects from all seven municipal administrations including school renovations, special schools, daycares, care homes, and cultural facilities.
• TRUST (2016-2020)formerStrategic or Co-development Partner · 1 January 2016First strategic partnership led by Enemærke & Petersen with architects Nøhr & Sigsgaard, KANT arkitekter, and engineers Dominia and Norconsult. Covered expansion, conversion, and renovation of schools, daycares, and new daycare construction for children and youth.
• DSP PlusformerStrategic or Co-development Partner · 1 January 2016Strategic partnership led by Jakon A/S with EKJ Rådgivende Ingeniører, Rørbæk og Møller Arkitekter ApS, LETH & GORI, and Schul Landskabsarkitekter ApS. Covered new construction, expansion, conversion, and renovation of sports facilities, cultural institutions, and care homes.
• J. Jensen NedrivningminorStrategic or Co-development PartnerDemolition company partnered in the development of the PCB calculation tool, contributing expertise in construction demolition and material handling.
• Københavns Ejendomme og IndkøbminorStrategic or Co-development PartnerCopenhagen Property and Procurement department collaborated with Byggeri København on developing the PCB calculation tool for reuse of materials with environmental hazards.
• Teknik- og MiljøforvaltningenminorStrategic or Co-development PartnerTechnical and Environmental Administration collaborated on developing the PCB calculation tool for circular economy in construction.
• ERIK ArkitekterminorStrategic or Co-development PartnerArchitecture firm partnered in 2021 to develop the Circular Partition Wall, an open-source reusable gypsum module wall system.
• Business With ImpactminorStrategic or Co-development PartnerBusiness consultancy partnered in developing the Circular Partition Wall project.
• COWIminorStrategic or Co-development PartnerEngineering consultancy partnered in developing the Circular Partition Wall.
• Byggeriets SamfundsansvarminorStrategic or Co-development PartnerCopenhagen Municipality is a member of the association for developing social responsibility in the Danish construction industry through spreading good practices and suitable tools.

Scale indicators3 records

Recent moves4 records

Expansion highlights5 records

Broad incumbents

• Per Aarsleff Holding: Major Danish contractor combining building construction and infrastructure, regularly delivering public-sector and institutional projects. Operates at a comparable scale and project type to the work ByK procures.
• Skanska Danmark: Danish subsidiary of Nordic construction group Skanska with a strong public-sector and institutional building practice. Comparable as a large incumbent competing for Copenhagen-area public tenders.
• MT Højgaard Holding: One of Denmark's largest general contractors, delivering complex nonresidential, civil, and public-sector projects nationwide. Comparable in scale and project type to the construction work that ByK procures on behalf of Copenhagen Municipality.
• Enemærke & Petersen A/S: Lead contractor of the TRUST II strategic partnership and one of Denmark's largest general contractors, executing the bulk of ByK's projects. Operates broadly in nonresidential construction and is the most direct private-sector comparable in delivery scope.
• NCC Danmark: Danish arm of Nordic construction major NCC, active in schools, hospitals, and public buildings. Comparable as a major Nordic contractor competing for the same public-sector tenders ByK administers.

Others

• COWI A/S: Major Danish engineering consultancy and partner on ByK's Circular Partition Wall development. Provides the technical and sustainability consulting layer that supports ByK's circular construction leadership.
• Sweco Danmark: Engineering consultancy and member of the TRUST II partnership, providing design and engineering services on ByK's projects. Comparable as a key enabling partner in ByK's public-sector construction delivery model.

Direct peers

• Københavns Ejendomme og Indkøb (KEID): Sibling municipal entity within Copenhagen Municipality that handles property management, operations, and procurement for the city's building portfolio. Sister organization to ByK with complementary mandates across the municipal building lifecycle.
• Bygningsstyrelsen: Denmark's national government construction client agency under the Ministry of Transport, performing the same 'bygherre' (building client) function as ByK but for state-owned buildings such as universities, courts, and ministries. Closest functional analog at the national level.
• DSB Ejendomme: Property and construction arm of Danish State Railways, acting as in-house building client for rail-related public infrastructure and stations. Performs a comparable public-sector construction client role for a state-owned transport entity.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/byggeri-k-benhavn

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 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 Byggeri København