JI Bygg

What JI Bygg does

JI Bygg AS is a privately held Norwegian general contractor (totalentreprenør) headquartered in Vestby, Akershus, operating primarily across Oslo and the central Østlandet region. Founded around 1980, the company delivers new construction, rehabilitation, and development services as a total contractor for both public sector clients (Forsvarsbygg, Statsbygg, Omsorgsbygg Oslo KF, Sykehusbygg HF, Viken Fylkeskommune) and private developers and operators (Solon Eiendom, Høegh Eiendom, Olav Thon Gruppen, Scandic Hotels, DNB Næringseiendom). Its portfolio spans residential apartments, commercial buildings, hotels, schools, healthcare facilities, and defense real estate, with individual projects such as the 350M NOK Sentrumshagene development in Ås.

The business runs on a project-based revenue model combining one-time totalentreprise contracts awarded through public procurement (anbudskonkurranser) and private tendering, supplemented by recurring framework agreements (rammeavtaler) with government clients such as Forsvarsbygg in Oslo and Østfold. Delivery relies on the Dalux digital collaboration platform, BREEAM-NOR environmental certification expertise (multiple in-house accredited professionals), Miljøfyrtårn certification held since 2012, ISO 9001 quality certification, and fossil-free construction sites using electric heavy machinery. Complementary service lines include HSE coordination, security solutions (access control, surveillance, barriers), and a proprietary Webhotell document-sharing portal at jibygg-prosjekter.com.

Go-to-market is exclusively direct and field-based, with no indirect channels or distribution partners. The company emphasizes samspillskontrakter (collaboration contracts), enabling work in occupied buildings (hotels, hospitals, schools), and pursues ESG-driven tenders supported by its BREEAM-NOR and fossil-free site credentials. As of 2025 the firm employs a leadership team including a dedicated entrepriseleder for security projects, actively recruits additional project leaders and engineers, and was named Årets bedrift (Company of the Year) 2025 in Vestby municipality.

Name

JI Bygg

Legal name

JI Bygg AS

Website

https://jibygg.no

Company type

Private

Founded year

1980

Operating status

Operating

Short description

JI Bygg is a Norwegian general contractor (totalentreprenør) founded around 1980, delivering new construction, rehabilitation, and development projects for public and private clients across the Oslo and central Østlandet region, with particular strength in environmentally certified buildings.

Ownership category

akta.pro rank

Headquarters

HQ city

Vestby

HQ country

Norway

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Contracts: J.I. Bygg generates revenue through total enterprise contracts (totalentreprise) for building projects, including new construction (nybygg), rehabilitation (rehabilitering), and conversion (ombygging) work for both public and private clients. Projects range from residential developments to commercial buildings, hotels, and public facilities.
2. Framework Agreements: The company maintains framework agreements (rammeavtaler) with government clients such as Forsvarsbygg in Oslo and Østfold for ongoing rehabilitation and maintenance work, providing recurring revenue streams.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

JI Bygg is a general contractor (totalentreprenør) based in Vestby, Norway that delivers total enterprise (totalentreprise) construction, rehabilitation, and project development services across residential, commercial, hospitality, public-sector, and healthcare buildings in the Oslo and central Østlandet region. Their work spans new construction (nybygg), renovation and conversion (rehabilitering/ombygging), and ongoing maintenance under framework agreements, supplemented by BREEAM-NOR environmental certification, security solutions, and HSE coordination services.

Product overview

JI Bygg is a general contractor (totalentreprenør) offering a comprehensive portfolio of construction and building services. The core offerings span five service lines: Nybygg (new construction), Rehabilitering (rehabilitation/renovation), Utvikling (development), Offentlige bygg (public buildings), and Næring/Bolig/Hotell (commercial, residential, and hotel projects). The company also operates a digital collaboration platform called Webhotell (web hotel), accessible at jibygg-prosjekter.com, for sharing information and documents with project partners. Supplementary services include BREEAM-NOR environmental certification advisory, security services (access control, surveillance, barriers), and HSE coordination in projects. The company operates primarily in Oslo and the central Østlandet region of Norway.

Differentiator

Problem solved

Functional benefit

Named customers20 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature3 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• Varde EiendomcoreStrategic or Co-development Partner · 1 January 2025J.I. Bygg signed agreement with Varde Eiendom, Rondeslott Eiendom, and Bjerk Eiendom for the Over Torshov residential project - 34 modern apartments in Østgaards gate 44, Oslo.
• Rondeslott EiendomcoreStrategic or Co-development Partner · 1 January 2025Joint development partnership for Over Torshov apartment project with Varde Eiendom and Bjerk Eiendom.
• Bjerk EiendomcoreStrategic or Co-development Partner · 1 January 2025Joint development partnership for Over Torshov apartment project with Varde Eiendom and Rondeslott Eiendom.
• Solon EiendomcoreStrategic or Co-development Partner · 1 January 2021J.I. Bygg collaborated with Solon Eiendom on the Dyst residential project in Ås, constructing 138 self-owned apartments. Solon served as the property developer and client for this major residential development.
• A-labminorStrategic or Co-development Partner · 1 January 2021A-lab architects collaborated on the Dyst project, bringing innovative and sustainable architecture to the residential development. A-lab is known for sustainable building design.
• DaluxcoreTechnology or IntegrationDigital collaboration platform used by J.I. Bygg for project management, enabling efficient task flow and involvement from all relevant project stakeholders.
• Höegh EiendomcoreStrategic or Co-development PartnerLong-term relationship with Höegh Eiendom for Ski Næringspark developments, including Glynitveien 15 (new floor on existing building) and Glynitveien 33 (full rehabilitation of commercial building with solar panels).
• Hathon Holding AScoreStrategic or Co-development PartnerPartnership on multiple commercial rehabilitation projects including Rådhusgata 2 and Calmeyers gate 12 (Hausmanns Hus) for property development and renovation.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Veidekke ASA: One of Norway's largest general contractors operating across construction, civil engineering, and residential development. Veidekke competes with J.I. Bygg for public tenders and private developer contracts in the Oslo region and across Norway, but at materially larger scale and broader geographic footprint.
• Consto AS: Norwegian general contractor with strong activity in building construction and public-sector projects, particularly in Eastern and Northern Norway. Consto competes with J.I. Bygg for framework agreements and tenders, with comparable mid-to-large scale.
• Kruse Smith Entreprenør AS: Norwegian family-owned general contractor delivering commercial, residential, and public building projects, with strong presence in the Oslo region. Kruse Smith directly overlaps with J.I. Bygg on private developer and public tender work.
• Betonmast AS: Norwegian general contractor focused on building construction and rehabilitation for public and private clients in Eastern Norway. Betonmast directly competes with J.I. Bygg on totalenterprise contracts and framework agreements in the Oslo/Østlandet market.
• Hent AS: Norwegian general contractor focused on building construction and rehabilitation across commercial, public, and residential segments. Hent competes head-to-head with J.I. Bygg on public tenders and private projects in the Oslo/Østlandet region at a similar mid-to-large scale.
• Backe Entreprenør AS: Norwegian general contractor delivering new construction, rehabilitation, and totalenterprise contracts in Oslo and Eastern Norway. Backe is a close comparable to J.I. Bygg in scale, customer mix (public + private developers), and service offering.
• AF Gruppen ASA: Norwegian general contractor with strong presence in building construction, rehabilitation, and large public-sector projects. AF Gruppen directly competes for the same public framework agreements and private developer projects as J.I. Bygg, with significantly larger revenue base and broader service offering.

Regional players

• Peab AB: Major Swedish general contractor active across building construction, civil engineering, and residential development. While primarily Nordic and Swedish, Peab has growing presence in Norway and competes for larger cross-border and Norwegian public tenders relevant to J.I. Bygg.

Broad incumbents

• Skanska Norge AS: Norwegian arm of global contractor Skanska, active in commercial building, residential, and civil infrastructure. Competes with J.I. Bygg for the largest public and private tenders in the Oslo region as part of a much broader portfolio including international mega-projects.
• NCC Norge AS: Norwegian subsidiary of Nordic contractor NCC, active in building construction, infrastructure, and residential development. Competes with J.I. Bygg for commercial, public, and residential tenders across Eastern Norway, with a larger balance sheet and broader Nordic reach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/jibygg
• LinkedInlinkedin.com/company/jibygg

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 JI Bygg