Karl Westermann Gmbh & Co. Kg

What Karl Westermann Gmbh & Co. Kg does

Karl Westermann GmbH & Co. KG (operating as WESTERMANN, and internally branded as WESTERMANN Innenausbau) is a family-owned German interior fit-out specialist headquartered in Denkendorf, Baden-Württemberg, near Stuttgart. Founded in 1936 as a carpentry workshop and approaching its 90th anniversary in 2026, the company has grown into a multi-disciplinary interior construction firm delivering high-end, architect-specified fit-out for landmark commercial, cultural, public-sector, and private-residential projects across Germany and selected international markets (Switzerland, Luxembourg, France, and China via distribution partners). Its managing directors are Frank Westermann and Meike Deuschle, and the entity is structured as a GmbH & Co. KG with the personally liable partner being Karl Westermann Verwaltung GmbH; the company is privately held with no external institutional ownership identified.

WESTERMANN's core offering combines bespoke craftsmanship with modular system solutions across several competence areas: acoustics and sound insulation, space-defining interior fit-out, fire protection and safety (including T30/T90 fire-rated doors and glazing), integrated cooling, ventilation and lighting, heritage revitalization and listed-building restoration, and general contractor interior fit-out (GU Innenausbau). Its product portfolio includes the System-Trennwände partition wall family (Profil 551, 552, 557), System-Möbel custom modular furniture, doors, wall and ceiling claddings, acoustic and fire-rated systems, and an in-house Innovationswerkstatt that has produced the wp_westermann products sub-brand (launched 2016) and its agile-office product lines: motu (2017), flomo board (2019), and Xbrick. The company holds ISO 9001:2008 quality management certification for its Denkendorf production facility and integrates its products into the pCon-planner 3D specification software used by architects.

The business model is project-based, bespoke, and quotation-driven. Revenue is generated primarily through one-time, non-recurring interior fit-out contracts awarded via direct enterprise field sales to architects and planners, supplemented by event-driven demand generation at trade fairs (ORGATEC, BAU Munich, Architect@Work, etc.), trade press coverage, and a product distribution channel through international resellers (Matsu in China) and the pCon-planner ecosystem. Customer segments are concentrated in public institutions (museums, libraries, hospitals, government), corporate/enterprise clients (banks, automotive, technology, public utilities), and a smaller private-residence segment; notable reference projects include the Bundesverfassungsgericht, Landtag Baden-Württemberg, Porsche Museum, Roche Tower (Basel), KfW Bank Frankfurt, SAP Walldorf, ADAC Zentrale München, Cité de la Sécurité Sociale Luxembourg (€6.5M contract), and Frankfurt Airport Terminal 3. Individual contract values can exceed €6 million, and the project life-cycle spans consultation, design, in-house manufacturing, installation, and maintenance.

Name

Karl Westermann Gmbh & Co. Kg

Legal name

Karl Westermann GmbH & Co. KG

Website

https://westermann.com

Company type

Private

Founded year

1936

Operating status

Operating

Short description

Karl Westermann GmbH & Co. KG (WESTERMANN) is a family-owned German interior fit-out specialist, founded in 1936 in Denkendorf near Stuttgart, delivering bespoke high-end interior construction, modular partition and furniture systems, acoustics, fire protection, and heritage restoration for architects, corporates, public institutions, and selected international clients.

Ownership category

akta.pro rank

Product category

Interior Fit-Out Services

NAICS

Interior Design Services (541410), Interior Design Services (54141)

SIC

General Bldg Contractors - Residential Bldgs (1520), Metal Doors, Sash, Frames, Moldings & Trim (3442), Partitions, Shelvg, Lockers, & Office & Store Fixtures (2540), Miscellaneous Furniture & Fixtures (2590), Office Furniture (2520)

akta.pro primary industry

Residential Interior Fit-Out (Multi-Family & High-End) (IMAFANAE)

akta.pro secondary industries

Interior Doors (IMADAIAB), Built-In Shelving, Niches & Custom Interior Features (HSAPAFAG), Trim, Baseboards, Crown Molding & Finish Carpentry (HSAPAFAD), Luxury Whole-Home Renovation (High-End Finishes & Custom Build) (HSAPAEAI)

Keywords

• Interior fit-out services
• Modular partition systems
• Custom furniture manufacturing
• Fire protection solutions
• Acoustic insulation systems

Headquarters

HQ city

Denkendorf

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Custom Interior Fit-Out Projects: WESTERMANN's primary revenue stream is project-based bespoke interior fit-out, serving as a premium specialist contractor. Services span consultation, design, production, installation, and maintenance. Projects range from individual furniture pieces to full-scale general contractor engagements. Large projects can exceed 6 million euros in contract value (e.g., Cité de la Sécurité Sociale Luxembourg at 6.5 million euros). Revenue is project-based, one-time, and non-recurring per project.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

WESTERMANN provides bespoke interior fit-out for premium architectural projects, combining in-house manufacturing of doors, modular partitions (Profil 551, 552, 557), wall and ceiling claddings, and custom furniture with specialist services in acoustics, fire protection, cooling/ventilation/lighting, and heritage building revitalisation. The offering spans consultation, design, production, installation, and maintenance for architects, planners, corporate clients, and public institutions across Germany and selected international markets.

Product overview

WESTERMANN is a German interior fit-out company offering a comprehensive portfolio of system solutions and custom furniture. Its core product lines are System-Trennwände (modular partition wall systems in profiles 551, 552, and 557), System-Möbel (custom modular furniture including workstations, counters, and kitchen systems), Türen (door systems), and Wand- und Deckenverkleidungen (wall and ceiling claddings). These are complemented by specialized services across Akustik, Brandschutz, Kühlung/Lüftung/Beleuchtung, Revitalisierung, GU Innenausbau, and an Innovationswerkstatt. In 2016, the company launched wp_westermann products as a sub-brand to commercialize adaptive furniture for agile offices — a portfolio that now includes the motu furniture series (2017, flexible/height-adjustable), flomo board (flexible team boards, Focus Open 2019 winner), and Xbrick (multifunctional stacking stools). Products integrate with the pCon-Planner 3D planning software. Services span consulting, design, production, installation, and maintenance across Germany and international projects.

Differentiator

Problem solved

Functional benefit

Brands

• wp_westermann products: Furniture and spatial design product line launched in 2016, combining 80+ years of carpentry and interior fit-out experience with adaptive furniture and room systems.
• motu
• flomo
• Xbrick

Products and services

• System-Trennwände (System Partitions - Profil 551, 552, 557) Modular partition wall systems offering fire protection, acoustic insulation, sound dampening, and design flexibility. Profil 551 features 50mm-wide posts and rails; Profil 552 offers double-glazing with 20mm slim aluminium profiles; Profil 557 is a frameless full-glass wall system. Supports curved contours and listed-building installations.
• Türen (Doors) Door system solutions as part of the system solutions portfolio, including fire protection doors (T30 and T90), glass doors, sliding doors, and pivot doors with FritsJurgens fittings, supplied to architects and planners for institutional, corporate, and high-end residential projects.
• Wand- und Deckenverkleidungen (Wall and Ceiling Claddings) Wall and ceiling paneling systems including acoustic wall claddings, decorative panels, curved wall panels with flush doors, and fire-rated coverings. Used in projects such as KfW Bank Frankfurt (3,000+ m² of acoustic wall claddings), museums, libraries, and corporate headquarters.
• Akustik und Schallschutz (Acoustics and Sound Insulation) Noise limitation, surround sound optimization, and sound absorption solutions integrated into wall and ceiling claddings, partitions, and furniture. Includes perforated and slotted wall and staircase claddings, high-performance absorbers combined with full-glass wall systems, and acoustic table systems for libraries and universities.
• Brandschutz und Sicherheit (Fire Prevention and Safety) Fire prevention solutions including fire-rated doors (T30 and T90), fire-rated glass elements, fire protection glazing in industrial heritage buildings, access control systems, and safety components meeting legal requirements for museums, public buildings, and corporate offices.
• Kühlung, Lüftung und Beleuchtung (Cooling, Ventilation and Lighting) Integrated ceiling cooling systems, ventilation blades, overcurrent elements, and illuminated ceiling panels including domed rooflights, used in auditoriums and complex public buildings such as the German Center for Neurodegenerative Disorders in Bonn.
• Revitalisierung und Denkmalschutz (Revitalisation and Listed Buildings) Building revitalisation and heritage preservation services applying traditional craftsmanship skills for restoration work and value conservation in historically protected structures such as the Bundesverfassungsgericht Karlsruhe and the Landtag Baden-Württemberg.
• GU Innenausbau (GC Interior Design) General contractor services for interior design including sub-trade coordination and site management, handling complex projects from design through to assembly for institutional and corporate clients.
• System-Möbel (Custom Modular Furniture) Custom-designed modular furniture including workstations, counters, reception furniture, kitchen systems, solid wood furniture, and steel furniture, tailored to customer requirements with integration of lighting elements, fire safety, and acoustic specifications for offices, banks, museums, and high-end residences.
• Sondermöbel (Bespoke Special Furniture) Bespoke furniture built to individual client specifications, integrating light elements, fire protection requirements, safety functions, and acoustic parameters while maintaining modular expandability. Examples include conference tables of solid surface material and meeting pods (Besprechungskabinen) for Festo Esslingen.
• Schließfachanlagen (Locker Systems) Modular locker systems combining units in height and width with or without cloakroom modules, made from coated wood-based materials with solid-core plate fronts, designed in coordination with corporate branding (e.g., Festo AG).
• motu Furniture Series A flexible, height-adjustable office furniture series for agile working environments, including tables and seating constructions in Pollmeier-Beech wood with FritsJurgens pivot door fittings. Targeted at architects and corporate clients designing agile offices.
• flomo Board A flexible system board designed for small, agile teams that promotes communication and enables improvisation with its elements. Used in office environments including SAP's building in Walldorf. Awarded the Focus Open Special Mention in 2019.
• Xbrick A multifunctional communication building block and archetypal stool for agile workspaces. Can be used as seating, standing desk, footrest, or storage surface. Lightweight, stable, and water-resistant; stackable into seating landscapes. Distributed internationally including through partner Matsu in China.

Quantifiable outcome

• 6.5 million euro single-project contract volume (Cité de la Sécurité Sociale Luxembourg)
• +2 more outcomes

Named customers17 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature5 records

Partnerships

One partnership is on record.

• Matsu (China)minorChannel Partner/ Reseller/ Distributor · 1 January 2016Matsu is a premium office solutions company based in China operating showrooms in Beijing and Shanghai. Following the successful ORGATEC 2016 exhibition appearance, Matsu was acquired as a distribution partner for WESTERMANN's motu furniture series in the Chinese market. motu furniture is exhibited at Matsu showrooms, enabling local architects and designers in China to access WESTERMANN products.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• USM: USM is a Swiss manufacturer of modular, high-end furniture and partition systems for offices and homes. Comparable as a premium modular system furniture brand targeting architects and the agile-workspace segment Westermann addresses with motu/flomo/Xbrick.
• Strähle Raum-Systeme: Strähle is a German manufacturer of modular partition wall and room systems with strong acoustic and fire-protection certifications. Highly comparable in the system-partition / acoustic wall niche Westermann serves.
• Walter Knoll: Walter Knoll is a German premium manufacturer of high-end office and lounge furniture, comparable to Westermann's wp_westermann products / motu / flomo lines in targeting architect-specified premium workspace furniture.
• Gielissen Interiors & Exhibits: Gielissen is a Dutch interior fit-out and exhibition specialist serving corporate, public, and museum clients across Europe. Comparable in premium bespoke interior fit-out for landmark and cultural buildings, with similar general-contractor and custom-furniture capabilities.
• Lindner Group: Lindner is one of Germany's largest interior fit-out contractors, with comparable offerings in partition walls, doors, ceilings, and floor systems. Highly comparable as a premium German interior fit-out specialist serving commercial, public, and healthcare projects.
• Feco Innenausbausysteme: Feco is a German specialist in interior fit-out and modular partition/wall systems for commercial offices, with comparable product lines (partition walls, acoustic solutions, custom furniture). Direct peer in the premium German interior fit-out segment.

Broad incumbents

• dormakaba: dormakaba is a global leader in door systems, access control, and building safety — overlapping with Westermann's T30/T90 fire-rated door and access-control offerings, but at far larger scale and broader scope.
• Vitra: Vitra is a Swiss design-driven office furniture and interior systems company. Comparable on premium office furniture and architect-specifier channel, but operates at much broader scale globally with a more product-led model.
• GEZE: GEZE is a German specialist in door, window, and safety technology including fire and smoke protection systems. Overlaps with Westermann's fire-rated door and safety/security competence areas but operates as a broader building-technology incumbent.
• Steelcase: Steelcase is a global leader in office furniture and workspace solutions. Comparable on the agile-workspace / office furniture side (motu, flomo, Xbrick), but at vastly larger scale and with a more standardized, distributed product model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/watch?v=kgPl0Wq3v7A
• Facebookfacebook.com/WestermannInnenausbau
• LinkedInlinkedin.com/company/karl-westermann-gmbh-co-kg

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Karl Westermann Gmbh & Co. Kg