Imprägnierwerk AG

What Imprägnierwerk AG does

Imprägnierwerk AG Willisau is a 111-year-old, family-owned Swiss wood-treatment specialist headquartered at Ostergauerstrasse 10, Willisau, in the canton of Lucerne. Founded in 1913 and incorporated as an AG in 1956, the company operates autoclave pressure impregnation (Kesseldruckimprägnierung), an industrial wood-coating paint tunnel with microscopic layer-thickness quality control, kiln drying for treated wood, and custom wood-processing services. It runs four impregnation lines covering chromium-free processes (KDS brown, KS2 greenish, BKD5 colorless) and a 30+ step utility pole production process standardized to the LIGNUM label and EN 14229 with CE conformity — the only such certification held by a Swiss producer. The company also operates an in-house wastewater treatment plant and a ~3,000 m2 photovoltaic installation on the production-hall roof, and was recognized by the Swiss Federal Office for Economic Supply (OFAE) as systemically important in 2020.

The company sells pressure-impregnated and untreated wood products — utility poles, privacy screens, planks, square timber, posts/palisades, formwork/shuttering, half-laths, raised beds, garden furniture, and fencing — through three channels: an on-site pickup market (Abholmarkt) with a 5% cash discount, a full e-commerce shop with a custom wood configurator, and direct delivery via partner carriers to enterprise customers. It also performs contract impregnation, custom coating, and disposal/transport of old wood as professional services. Customers span seven distinct segments: private homeowners/DIY, garden and landscaping companies, energy utilities and grid operators, wood and facade builders/carpenters/architects, public authorities/government, industry and agriculture, and construction companies.

Revenue is generated through unit-priced product sales (CHF-denominated, ex-works) plus service revenue from contract impregnation, custom coating, pole maintenance and aerial-line inspection, and wood disposal. Pricing is transparent and publicly disclosed across accessories, posts, boards, and cladding, with tiered per-piece and per-square-meter rates. The company maintains ISO 9001 and ISO 14001 certifications continuously since 2001, LIGNUM quality labels for facades and pressure-impregnated products (2014), HSH Swiss wood origin (2019), and ecobau/Minergie-ECO classification (eco1) for its wood protection products. It is led by 4th-generation owner-CEO Guido Thalmann and Christine Thalmann-Leisi, with no external investors, parent company, or public listing identified in the data.

Name

Imprägnierwerk AG

Legal name

Imprägnierwerk AG Willisau

Website

https://impraegnierwerk.ch

Company type

Private

Founded year

1913

Operating status

Operating

Headcount range

1–10 employees

Short description

Imprägnierwerk AG Willisau is a 111-year-old Swiss family-owned wood-treatment specialist that pressure-impregnates wood for utilities, facade builders, landscapers, public authorities, and homeowners, and is the sole Swiss CE-certified producer of utility poles per EN 14229.

Ownership category

akta.pro rank

Product category

Wood Preservation and Pressure-Impregnated Wood Products

NAICS

Wood Product Manufacturing (321), Veneer, Plywood, and Engineered Wood Product Manufacturing (3212), All Other Miscellaneous Wood Product Manufacturing (321999)

SIC

Lumber & Wood Products (No Furniture) (2400), Millwood, Veneer, Plywood, & Structural Wood Members (2430), Wholesale-Lumber & Other Construction Materials (5030)

akta.pro primary industry

Wood Treatment & Specialty Preservatives (IMAEABAO)

akta.pro secondary industry

Engineered Wood Siding, Trim & Mouldings (IMAMACAI)

Keywords

• Pressure-impregnated wood
• Wood preservation services
• Utility pole production
• Wood facade cladding
• Autoclave wood treatment

Headquarters

HQ city

Willisau

HQ country

Switzerland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Wood Products Sales: Sale of treated and untreated wood products including boards, lumber, fence posts, palisades, privacy screens, raised beds, garden furniture. Products sold through on-site pickup market, online shop, and direct delivery.
2. Custom Wood Processing Services: Custom cutting, coating, and impregnation services for customer-supplied wood. Includes professional advice on facade projects.
3. Contract Impregnation: Third-party wood impregnation service where customers deliver wood for professional pressure treatment.
4. Wood Pole Sales and Maintenance: Production and sale of utility poles with optional double impregnation. Includes aerial line inspection and control services.
5. Wood Disposal Services: Collection and disposal of old wood through licensed disposal companies, with transportation and tracking documentation.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

Imprägnierwerk AG Willisau manufactures and sells pressure-impregnated wood products including utility poles, privacy screens, garden furniture, raised beds, planks, square timber, posts, palisades, shuttering, fences, and paints/stains. The company operates four autoclave impregnation lines, an industrial paint tunnel, and kiln drying facilities, and offers custom wood processing services (impregnation, coating, cutting) to professional customers. Products are sold through an on-site pickup market, online shop with a custom wood configurator, and direct delivery across Switzerland.

Product overview

Imprägnierwerk AG Willisau is a wood treatment and processing company offering a comprehensive range of pressure-impregnated wood products and custom processing services. The core offerings include wood masts/utility poles (produced to LIGNUM quality standards and EN 14229 with CE conformity), privacy screens in the Elegant and Modular product lines, garden furniture, raised beds, fencing, and structural timber. The company operates both a consumer-facing online shop with category products (planks, shuttering, posts, palisades, half-laths, garden furniture, paints/stains, and accessories) and provides professional wood finishing services including autoclave impregnation, color coating in paint tunnels, custom impregnation, and controlled drying. An online wood configurator allows customers to specify custom dimensions and treatments. Products are primarily sourced from Swiss forests (spruce/fir, larch, chestnut, pine, oak) and processed at the Willisau facility.

Differentiator

Problem solved

Functional benefit

Products and services

• Holzmasten (Wooden Utility Poles) Pressure-impregnated wooden utility poles and masts produced according to LIGNUM quality label and EN 14229 standard with CE conformity, with over 30 production steps from raw wood to finished pole. The only Swiss producer with CE conformity for wood poles. Optional double impregnation for extended lifespan.
• Sichtschutz (Privacy Screens) Wooden privacy screens and walls in various designs (Elegant, Botanic, Modular) made from spruce/fir or larch wood, pressure-impregnated in KDS brown, colorless, or natur finishes for outdoor use.
• Gartenmöbel (Garden Furniture) Ready-to-assemble garden furniture including benches and tables made from pressure-impregnated Swiss spruce and fir wood.
• Hochbeet (Raised Garden Beds) Pre-fabricated raised garden beds in modular systems, pressure-impregnated for ground contact and outdoor durability.
• Bretter (Planks/Boards) Various wooden planks and boards for outdoor applications including terrace flooring, cladding, and construction purposes, sold through the online shop.
• Kantholz (Square Timber) Cut timber beams and posts in various dimensions for construction and outdoor applications.
• Pfähle (Posts/Piles) Treated wooden posts and piles for construction, fencing, and agricultural applications, pressure-impregnated for longevity.
• Palisaden / Rundholz (Palisades and Round Wood) Round and palisade wood products made from chestnut and larch, naturally resistant to fungal and insect attack, suitable for landscaping. Chestnut sourced from Ticino, larch from Graubünden.
• Schalung (Formwork/Shuttering) Wooden shuttering and formwork products including alternating tongue and groove shuttering, external cladding, cover strips, and T-profiles for industrial and agricultural buildings.
• Gartenzaun (Garden Fences) Wooden garden fencing solutions for property boundaries and decorative purposes, pressure-impregnated for outdoor durability.
• Farben / Lasuren (Wood Paints and Stains) Wood paints and stains including Impralit KDS, Impralit BKD 5, Korasit KS2, and coloring paste for surface finishing and color coating, with ecobau/Minergie-ECO certification.
• Zubehör (Accessories) Supporting products including galvanized drive-in sockets, post caps, holding brackets for half-rounds, and base feet for Elegant privacy screen systems.
• Holzveredelung (Wood Finishing/Coating Service) Professional wood surface treatment services including pressure impregnation (autoclave), color coating application in modern paint tunnels, custom impregnation on customer materials, and controlled drying of impregnated wood. Serves facade builders, architects, carpenters, and industry customers.
• Färberei (Color Coating Service) Wood coloring and coating service applying color to untreated or customer-supplied wood using water-based or solvent-based products, with quality control via microscopic layer thickness measurement. Targets wood and facade builders, carpenters, and architects.
• Holzkonfigurator (Wood Configurator Service) Online tool allowing customers to configure custom wood dimensions, lengths, and treatments to receive pricing and delivery estimates directly. Supports custom orders for special dimensions beyond the standard product catalog.
• Aerial Line Inspection and Maintenance Service Inspection and maintenance services for utility customers operating wood pole aerial lines, supporting network infrastructure for energy and grid operators.
• Wood Disposal Service Collection and disposal of old wood through licensed disposal companies, with transportation and tracking documentation, supporting construction and renovation projects.

Quantifiable outcome

• 25-40 years average pole lifespan based on customer reports
• +2 more outcomes

Named customers12 records

Segments7 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Bern University of Applied Sciences (Hochschule Bern)coreStrategic or Co-development PartnerCollaborative development of wood mineralization technology resulting in a 2024 patent filing. Partnership combines academic research capabilities with industrial application expertise.

Scale indicators8 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Koppers Inc. Global leader in pressure-impregnated wood utility poles and railroad ties. Directly comparable to Imprägnierwerk's pole business on product category (EN-style specification poles), pressure-treatment process, and utility customer base, though at vastly larger scale and global reach.
• Maibec: North American manufacturer specializing in prefinished real-wood siding, cladding, and facades. Comparable to Imprägnierwerk's wood facade/cladding product line (Schalung) with a similar value proposition of pre-finished, durable exterior wood for construction projects.
• Konrad Merkt GmbH: German wood impregnation specialist producing treated posts, poles, and construction timber using autoclave processes. Closely mirrors Imprägnierwerk's pressure-impregnation product range and serves overlapping European utility and landscaping customers.
• Hiendl Holzschutz: German specialist in pressure-impregnated wood poles and posts for utility and agricultural applications. Highly comparable to Imprägnierwerk's pole impregnation line, with shared EN-spec pole standards and a similar utility-segment focus.
• Holzwerke Pfarrkirchen GmbH: German specialist in pressure-impregnated wood for outdoor and construction use. Closely comparable mid-sized European wood treater offering treated posts, palisades, and construction timber with similar process technology and customer profile to Imprägnierwerk.

Broad incumbents

• Stella-Jones Inc. North American incumbent producing pressure-treated wood utility poles, residential lumber, and industrial products. Comparable to Imprägnierwerk's pole and treated-timber product lines, with overlapping CE/standard pole specifications but a much broader geographic footprint.
• Stora Enso Wood Products: Major European wood products manufacturer offering CLT, sawn timber, and treated outdoor wood. Comparable at the category level (engineered/treated wood for construction) but vastly larger and more diversified than Imprägnierwerk's specialty impregnation focus.

Others

• Wolman Wood and Fire Protection (Arxada): European supplier of wood preservatives (Wolmanit, Impralit product lines) used by industrial impregnators. Adjacent as a chemistry supplier to pressure-treaters like Imprägnierwerk rather than a direct competitor, but central to the industry's treatment chemistry.
• Lonza Group (Wood Protection): Swiss-headquartered supplier of wood protection chemicals (including the Impralit and Korasit product families used by Imprägnierwerk). Adjacent to the company's chemistry supply chain rather than a direct competitor, but materially linked via shared product standards.

Regional players

• Holzwerke Ladenburger: Bavarian wood products manufacturer offering impregnated timber, fencing, and outdoor wood products. Comparable in product mix (treated outdoor timber, garden/landscape range) to Imprägnierwerk's DIY and landscaping SKUs, but serves primarily the German market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/impraegnierwerk-ag-willisau

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 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 Imprägnierwerk AG