LDK LED LINEAIRES

What LDK LED LINEAIRES does

LDK LED LINEAIRES, operating as LDK Sàrl, is a Swiss custom manufacturer of architectural LED profile lighting systems headquartered in Domdidier, canton of Fribourg. The company designs, fabricates, and sells aluminum LED profiles manufactured in lengths up to six meters and equipped exclusively with CRI90 LED strips, with variants covering architectural, waterproof (Aquaflex), and bendable configurations. Its product line spans the BKR2xx series plus BKR724, with multiple diffuser options (rounded satiné, rounded opal, flat opal, prismatic, and 15°/30°/45°/60° lenses) and compatibility with DALI, CASAMBI Bluetooth, MGS multi-zone remote, and Tridonic control ecosystems, complemented by matching LED converters/drivers and LED strips (FlexCOB, ECOflex, ECOflex TW, Sflex).

The business model is a sales-led direct operation targeting the Swiss domestic market only. LDK generates revenue from one-time sales of LED profiles, drivers, and LED strips, plus professional custom-fabrication services for bespoke lengths, prototypes, and special executions. Go-to-market combines regional lighting consultants assigned to specific Swiss cantons in both French- and German-speaking territories, an e-commerce webshop (ldkshop.swiss) for standard ordering, an online express configuration form for custom quotes, and annual print/digital catalogs. Pricing is unit-based with a free-delivery threshold at CHF 1,000 net and standard 30-day payment terms.

Primary customers are professional electrical installers and lighting contractors purchasing custom profiles for architectural projects (stairs, corridors, mirrors, underground areas), with architects/designers and end-customers via the webshop as secondary segments. The company maintains a close operational relationship with BDK Luminaires, sharing key personnel including Christophe Chautems, and operates a 14-person organization with production apparently based in Domdidier and a secondary technician presence in Saanen.

Name

LDK LED LINEAIRES

Legal name

LDK Sàrl

Website

https://ldk.swiss

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

LDK LED LINEAIRES is a Swiss custom manufacturer of architectural LED aluminum profiles (up to 6 meters, CRI90 LEDs), drivers, and waterproof LED products, selling primarily to Swiss professional electrical installers and lighting contractors via regional field consultants and an e-commerce webshop.

Ownership category

akta.pro rank

Product category

Architectural Lighting

NAICS

Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing (335132), Electric Lighting Equipment Manufacturing (33513)

SIC

Electric Lighting & Wiring Equipment (3640)

akta.pro primary industry

LED Drivers, Ballasts & Power Modules for Lighting (Constant-current/voltage drivers, ballasts, control gear) (IMAGAIAJ)

akta.pro secondary industries

Optoelectronic Components (LEDs, photodiodes, optocouplers, optical sensors) (IMAGAJAF), Lighting Controls & Building Integration (Drivers, sensors, dimming, lighting control panels, networked lighting) (IMAGAIAI), Outdoor & Area Lighting (Street, Roadway, Parking, Flood, Sports/Architectural exterior) (IMAGAIAB)

Keywords

• Custom LED profiles
• Architectural lighting systems
• LED power converters
• Waterproof LED lighting
• LED strip lighting

Headquarters

HQ city

Domdidier

HQ country

Switzerland

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. LED Profile Sales: Custom and standard LED aluminum profiles sold to professional installers and end customers. Profiles available in various lengths (up to 6m), with different diffuser options (rounded satinated, rounded opal, flat opal, prismatic, lenses). Revenue generated through direct sales and e-commerce webshop.
2. LED Components (Converters, Drivers): Power converters and drivers for LED installations, including DALI-compatible and Casambi-enabled drivers
3. Custom Fabrication Services: Special custom fabrications including prototypes and bespoke profile designs per customer specifications

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

LDK manufactures custom and standard aluminum LED profiles in lengths up to 6 meters, fitted with CRI90 LED strips and available with multiple diffuser options (rounded satiné, opal, flat opal, prismatic, lenses 15°/30°/45°/60°). The offering also includes matched LED converters/drivers (including DALI and Casambi-enabled variants), waterproof Aquaflex LED profiles, and bespoke fabrication services for prototyping and special profiles. Sales are fulfilled through regional lighting consultants and the ldkshop.swiss e-commerce channel for the Swiss market.

Product overview

LDK LED LINEAIRES is a Swiss manufacturer of custom LED profiles, operating as a specialized lighting hardware company. The product portfolio centers on aluminum LED profiles (Profilés LED) available in 6-meter lengths with CRI90 LED strips, complemented by power converters/drivers and waterproof Aquaflex products. The company offers an online configuration tool for custom profile requests and maintains an e-commerce shop at ldkshop.swiss. Product models include the BKR2xx series (BKR210, BKR215, BKR220, BKR222, BKR223, BKR230, BKR240, BKR250) and BKR724, with various diffuser options and compatible LED strip types spanning FlexCOB, ECOflex, and Sflex technologies in color temperatures from 1800K to 6500K.

Differentiator

Problem solved

Functional benefit

Products and services

• Profilés LED sur mesure (Custom LED Profiles) Custom aluminum LED profiles manufactured by LDK in lengths up to 6 meters, fitted with CRI90 LED strips. Multiple diffuser options (rounded satiné, rounded opal, flat opal, prismatic, lenses 15°/30°/45°/60°) and bending capability are available. Sold via direct sales and the ldkshop.swiss webshop to professional installers, architects, and designers.
• Convertisseurs (LED Drivers/Power Converters) Power converters/drivers for LDK LED profile installations, available in various wattages with DALI and Casambi-enabled variants for digital lighting control integration.
• Aquaflex Waterproof LED Profiles Waterproof LED profiles from LDK's specialized product line, designed for wet or outdoor architectural lighting installations.
• LED Strips (FlexCOB, ECOflex, Sflex) LED strip product range compatible with LDK profiles: FlexCOB (10-15W/m), ECOflex (10-25W/m, including TW tunable white versions), and Sflex (20.6W/m), available in color temperatures from 1800K to 6500K.
• Custom Fabrication Services Bespoke fabrication service for prototypes and special LED profile designs per customer specifications, configured via LDK's express quote/order form (demande express).

Quantifiable outcome

• All LED products use CRI90 quality LEDs for accurate color rendering
• +1 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

Feature6 records

Partnerships

One partnership is on record.

• BDK LuminairesstrategicStrategic or Co-development PartnerBDK Luminaires is referenced as a related entity on the LDK website. Christophe Chautems serves as Deputy Managing Director of BDK while also being a key contact at LDK, indicating a close strategic relationship between the two companies.

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• iGuzzini: Italian architectural lighting specialist (part of Signify), providing high-end linear and recessed lighting systems. Overlaps with LDK in architectural specifications and premium project positioning across Europe.
• Zumtobel Group: Austrian-headquartered global lighting group with strong architectural and DALI-control offerings. Competes for large-scale architectural projects in Switzerland and represents the premium incumbent LDK benchmarks against.
• ERCO: Established German architectural lighting manufacturer offering complete luminaire families with advanced controls. Significantly broader portfolio than LDK, but competes for the same architectural project specifications in Switzerland.
• Bega: German premium manufacturer of architectural and outdoor lighting, including linear systems. Comparable on premium positioning and architectural specification channels, particularly for outdoor variants like LDK's Aquaflex line.

Others

• Tridonic: Austrian manufacturer of lighting components, drivers, and DALI control gear. Functions as a supplier (driver technology) used by LDK in its integration solutions and as an adjacent control-systems peer.

Direct peers

• LED Linear: German manufacturer of high-quality LED linear lighting systems with in-house LED, driver, and profile integration. Targets architectural and hospitality lighting, closely overlapping LDK's positioning with deeper vertical integration.
• KLUS: Polish-based manufacturer of LED aluminum profiles and mounting systems, with broad product breadth and European distribution. Directly comparable as a specialist LED profile manufacturer serving architectural and signage applications.
• BDK Luminaires: Swiss finished-luminaire manufacturer sharing management links with LDK. Operates in the same Swiss architectural lighting channel and offers complementary finished-fixture products, making it both a partner and adjacent peer.
• LUMI Team: Manufacturer of LED profile systems and components. Comparable as a niche specialist in custom LED aluminum profiles with multi-protocol control options aimed at architectural and furniture applications.

Emerging players

• Flux Lighting: Specialist supplier of LED linear and profile systems for architectural and cove applications. Comparable product focus on linear LED form factors, though stronger presence in North America.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/ldk-led

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 LDK LED LINEAIRES