Lian

Name

Lian

Legal name

Lian Vinduer AS

Website

https://lian.no

Company type

Private

Founded year

1913

Operating status

Operating

Headcount range

51–100 employees

Short description

Lian Vinduer AS is a Norwegian manufacturer of aluminum-clad wood windows and doors serving the domestic project market. The company supplies customized, certified fenestration solutions directly to construction firms, architects, and developers for commercial, institutional, and residential projects.

Ownership category

akta.pro rank

Product category

Windows and Doors Manufacturing

NAICS

Wood Window and Door Manufacturing (321911)

SIC

Millwood, Veneer, Plywood, & Structural Wood Members (2430), Lumber & Wood Products (No Furniture) (2400)

akta.pro primary industry

Windows (IMADAIAC)

akta.pro secondary industry

Engineered Wood Siding, Trim & Mouldings (IMAMACAI)

Keywords

• Aluminum-clad timber windows
• Fire-rated window systems
• Acoustic window solutions
• Project market windows
• Wood door manufacturing

Headquarters

HQ city

Kyrksæterøra

HQ country

Norway

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Windows and Doors - Project Market: B2B sales of aluminum-clad timber windows and doors to the Norwegian construction project market. Products include system windows, fixed windows, fire-rated products, soundproof windows, patio doors, balcony doors, and lift-slide doors. Sales through direct project engagement with construction companies, architects, and developers.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels3 records

Core offering

Lian Vinduer AS manufactures aluminum-clad timber windows and doors for the Norwegian construction project market. Its core portfolio includes system windows (Lian Systemvindu), fixed windows (Lian Fastvindu), fire-rated windows and fire-stop ventilation products (Lian Brannvindu / Brannstopp), acoustic windows (Lian Lydvindu), balcony doors (Lian Vindusdør), system doors (Lian Systemdør), and lift-slide doors (Lian Heve-/skyvedør). Products feature laminated timber with core wood (kjerneved) outer lamels, external aluminum cladding for low maintenance, NCS color surface treatment, FG-approved glass mounting, and CE marking.

Product overview

Lian is a manufacturer of windows and doors for the Norwegian project market, offering a coordinated product portfolio centered on the Lian Systemvindu (double-swing inward-opening window) and Lian Fastvindu (fixed window) as core window products. Door offerings include the Lian Vindusdør (outward-opening balcony door), Lian Systemdør (double-swing inward-opening balcony door), and Lian Heve-/skyvedør (lift-and-slide door). All products feature solid timber core with outer lamella, finished surfaces per NCS color code system, and maintenance-free aluminum cladding externally. Specialized variants include fire-rated products (Lian Brannvindu and Lian Brannstopp with EI30/EI60 classifications), acoustic windows (Lian Lydvindu with 29-46 dB sound reduction), and versions meeting Passive House U-value requirements. Products are available in 105mm aluminum-clad configurations with 2-layer or 3-layer glass options.

Differentiator

Problem solved

Functional benefit

Products and services

• Lian Systemvindu (System Window)

Quantifiable outcome

• Products can meet Passive House U-value requirements
• +3 more outcomes

Named customers9 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Four partnerships are on record, tiered core and minor.

• HENTcoreStrategic or Co-development PartnerHENT is a major construction company (totalentreprenør) and one of Lian's key partners. Collaboration on major projects including Sykehuset Nordmøre og Romsdal. HENT has expressed confidence in Lian as a knowledgeable and serious collaboration partner. Partnership involves early engagement in project planning phases.
• VeidekkecoreStrategic or Co-development PartnerVeidekke is a major Norwegian construction company (totalentreprenør) and partner on projects including Torvbråten Skole. Veidekke has praised Lian's support and documentation assistance, noting they received all the help needed and Lian took responsibility for obtaining necessary certifications over six months.
• Skanska NorgecoreStrategic or Co-development PartnerSkanska Norge served as totalentreprenør for Powerhouse Telemark. Selected Lian as supplier based on competitive pricing and positive previous experience. Skanska praised Lian's advisors for providing solutions and recommendations during tender phase and for on-site assembly guidance during construction.
• FP EntreprenørminorStrategic or Co-development PartnerFP Entreprenør is a construction company engaged in ongoing collaboration with Lian on projects including Ajer Gard. They appreciate Lian's continued service presence even after delivery and invoicing.

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Drutex: Drutex is a large European window and door manufacturer with PVC, wood, and aluminum-clad offerings; serves project markets across Europe and competes for specification-led tenders.
• Marvin Windows and Doors: Marvin is a large US manufacturer of made-to-order wood and wood-aluminum-clad windows; comparable in customization, premium specifications, and project-market distribution model.
• VELUX Group: VELUX is the global incumbent in roof windows and skylights with a broader facade/window portfolio; overlaps with Lian in project-market energy-efficient building applications at a much larger scale.
• JELD-WEN: JELD-WEN is one of the world's largest manufacturers of windows and doors; comparable in product categories (wood, clad, fire-rated) but operates a vastly broader portfolio across many geographies.

Direct peers

• Uldal (Norgesvinduet): Uldal is a Norwegian manufacturer of wood and aluminum-clad wood windows and doors, directly competing with Lian for project tenders in the Norwegian new-build and renovation segments.
• Nordan: Nordan is a major Norwegian aluminum-clad wood window and door manufacturer serving the project market with a broad product portfolio, making it the closest direct competitor to Lian in the same Norwegian B2B construction channel.
• Hindø Vinduer og Dører: Hindø is a Norwegian-based manufacturer of high-end wood and aluminum-clad windows and doors with project-market focus, directly comparable to Lian in product structure and customer segment.
• Josko Fenster & Türen: Josko is an Austrian premium window and door manufacturer focused on wood/aluminum hybrid construction, serving bespoke and architect-led projects across Central Europe with a comparable specification-driven model.
• Internorm: Internorm is Europe's largest manufacturer of aluminum-clad wood and PVC windows, with a comparable hybrid timber/aluminum construction approach and certifications relevant to high-performance buildings.

Regional players

• Profil Doors and Windows (NWA): Profil is a Norwegian manufacturer of wood and aluminum-clad windows and doors competing in overlapping regional project segments; comparable product mix and certification posture to Lian.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/lian-trevarefabrikk-as

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 Lian