Keller & Kalmbach Holding Gmbh & Co. Kg

What Keller & Kalmbach Holding Gmbh & Co. Kg does

Keller & Kalmbach Holding GmbH & Co. KG is a 145-year-old, family-owned German B2B specialist distributor headquartered in Unterschleißheim, supplying fasteners, fastening technology, industrial C-parts, tools, chemical-technical products, and occupational safety equipment to industrial customers across DACH and broader European markets. The company operates a hybrid platform-plus-services model: a 24/7 e-commerce storefront offering 150,000+ standard articles, 30,000+ custom special and drawing-based parts, and access to 900,000+ industrial catalog items aggregated via Kanban, complemented by a field-sales motion for enterprise accounts and an extensive C-parts management service layer (Kanban replenishment, RFID/Bluetooth ordering, takeLOG dispensing systems, supplier consolidation, and 3D printing). Underpinning the platform is the proprietary Logtopus® IoT system for automated inventory management with third-party supplier connectivity, an OCI/EDI-integrated ERP-punchout workflow supporting SAP, VDA, EDIFACT, and openTRANS formats, plus emerging AI tools (KAI assistant, Phaina recommendation) layered on top.

The business model combines transactional product sales (standard articles, special parts, Kanban-supplied industrial items) with recurring C-parts management services and project-based technical consulting (process/cost analysis, assortment optimization, LineWalk on-site reviews, application engineering, CAD data provisioning). Pricing is customer-individual, gated behind login, with a €25 minimum order value within Germany and tiered shipping participation fees. The company reports €420 million in annual revenue on ~1,000 employees and serves automotive OEMs and suppliers, machinery and plant manufacturers, railway operators, agricultural and construction machinery OEMs, the electrical industry, and trade/craft businesses — with named distribution and integration partners including Koelner (HV-garnituren), Nord-Lock, Lindapter, fischer, GLS, Dachser, Adyen, and a research collaboration with Fraunhofer IML. A wholly-owned subsidiary, IEW (acquired), extends the C-parts management and logistics footprint, and the FAKKTORY virtual product world plus the FAKKT private-label chemical line round out a broader platform offering.

Name

Keller & Kalmbach Holding Gmbh & Co. Kg

Legal name

Keller & Kalmbach GmbH & Co. KG

Website

https://keller-kalmbach.de

Company type

Private

Founded year

1879

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Keller & Kalmbach is a family-owned German B2B specialist distributor of fasteners, fastening technology, and industrial C-parts, serving automotive, machinery, rail, construction, and electrical manufacturers with a 24/7 e-commerce platform, proprietary Logtopus IoT inventory system, and Kanban-based C-parts management services.

Ownership category

akta.pro rank

Product category

Industrial Fasteners and C-Parts Distribution

NAICS

Hardware Merchant Wholesalers (423710), Other Professional Equipment and Supplies Merchant Wholesalers (423490)

SIC

Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070), Wholesale-Professional & Commercial Equipment & Supplies (5040)

akta.pro primary industry

Automotive, Tools & Industrial Supplies (B2B) (CRAEAEAH)

Keywords

• Industrial fasteners supply
• C-parts management
• Fastening technology distribution
• Kanban logistics systems
• Industrial procurement solutions

Headquarters

HQ city

Unterschleißheim

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Product Sales: Sale of fasteners (Verbindungselemente), fastening technology, tools, chemical-technical products, electrical tools, occupational safety equipment, storage and operational equipment, lifting technology, industrial parts, and steel construction products through e-commerce and direct sales. Revenue from standard articles, special/custom parts, and Kanban-supplied industrial items.
2. C-Teile-Management Services: Kanban logistics systems for production and MRO, system services for ongoing operations including supplier reduction, consolidation of special and drawing parts, kit building, parts standardization, on-site consulting, 100% delivery readiness, quality assurance agreements, and online reporting.
3. Technical Consulting: Process and cost analysis, assortment optimization, C-parts management conception, disposal concepts, application engineering, LineWalk services, and CAD data services.
4. 3D-Druck: 3D printing services for custom parts and special components.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

Keller & Kalmbach supplies industrial fasteners, fastening technology, tools, chemical-technical products, occupational safety equipment, and industrial C-parts to professional B2B customers. The company operates a B2B e-commerce platform with over 150,000 standard articles and provides comprehensive C-parts management services including Kanban logistics systems, application engineering, and ERP-integrated procurement solutions.

Product overview

Keller & Kalmbach is a specialist distributor and C-parts management provider operating a platform-plus-services model. The core is the K&K Online Shop with OCI/EDI integration capabilities, complemented by the proprietary Logtopus IoT platform for automated inventory management. Services span Kanban replenishment, application engineering, and logistics implementation. The product portfolio encompasses 150,000+ standard articles (fasteners, tools, chemical products, power tools, safety equipment, lifting tech, industrial components) alongside 30,000+ custom special/drawing-based parts and 900,000+ industrial catalog items. Sub-brands include FAKKTORY (virtual product world) and the FAKKT private-label chemical line. The company serves automotive, machinery, rail, construction, and electrical industries across Germany with international operations.

Differentiator

Problem solved

Functional benefit

Brands

• FAKKTORY: The virtual service and product world of K&K, providing immersive digital experiences for customers.
• Logtopus
• LineWalk

Products and services

• K&K Online Shop B2B e-commerce platform offering 150,000+ articles, customer-specific pricing, OCI punchout, barcode scanner functionality, and ERP integration for industrial procurement customers.
• Logtopus IoT platform for automated inventory management and material supply optimization, including connection of third-party suppliers and real-time monitoring for C-parts management.
• takeLOG Warenausgabesystem Automated goods issue system for production and MRO material supply, part of the C-parts management logistics suite.
• RFID- und Bluetooth-Systeme Automated ordering trigger systems using RFID and Bluetooth technology for production and MRO environments.
• Kanban-Service Kanban-based inventory replenishment service with customer-specific analysis, process adaptation, and 3,000+ project implementations for industrial customers.
• Verbindungselemente (Fasteners) Core product line including hex bolts (DIN 933, DIN 931), countersunk screws (DIN 7991), HV assemblies, and custom special fasteners for industrial customers.
• Befestigungstechnik (Fixing Technology) Anchoring systems, dowels, clamps, and Lindapter structural connections for steel construction applications.
• Werkzeuge (Tools) Hand tools, power tools, screwdrivers, torque wrenches (GEDORE), and hammer tools from brands including Bosch, Makita, Milwaukee, Metabo, Wiha, and Gedore.
• Sonderteile und Zeichnungsteile Custom special parts and customer drawing-based parts manufactured to specification for industrial customers.
• Industrieteile Industrial components including fluid technology (hydraulics/pneumatics), electrical parts, sealing technology, bearings, power transmission, and standard elements from 1,400+ suppliers.
• Stahlbausortiment (Steel Construction Range) High-strength fastener systems for structural steel including HV assemblies (Koelner), Nord-Lock wedge-lock washers, Lindapter clamps, and Fischer/UPAT anchors.
• Anwendungstechnik und Engineering Product application engineering and technical consulting for fastener selection, surface treatment, and thread locking optimization for industrial customers.
• LineWalk On-site technical consultation and walk-through service for production line optimization at customer sites.
• 3D-Druck Service 3D printing service for custom parts and prototypes for industrial customers.
• eBusiness Lösungen Digital business solutions including OCI punchout, EDI, and ERP integration for automated procurement workflows with customer systems.
• Prozess- und Kostenanalyse Process and cost analysis service for C-parts management optimization at industrial customer sites.
• Logistischer Teil- oder Vollservice Partial or full-service logistics management for C-parts supply, including container cleaning and labeling for industrial customers.
• Qualitätsmanagement Quality management service including supplier quality agreements supported by a dedicated quality assurance department with 40 employees.
• FAKKTORY Virtual Platform Virtual service and product world of K&K, providing immersive digital exploration of K&K offerings including FAKKT brand chemical-technical products.

Quantifiable outcome

• Over 3,000 Kanban projects implemented with expertise applied to new customer projects
• +2 more outcomes

Named customers4 records

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature7 records

Partnerships

Six partnerships are on record, tiered core and minor.

• KoelnercoreTechnology or IntegrationStrategic partnership for high-strength HV-garnituren (fastener assemblies) for structural steel construction. Koelner supplies hex bolts, nuts, and washers per DIN EN 14399-4 and DIN EN 14399-6 standards for applications including hall, bridge, and industrial buildings, cable cars, towers, and wind energy installations. Koelner's high equity ratio and modern machinery ensure quality and sustainability.
• Fraunhofer IMLcoreStrategic or Co-development PartnerCollaboration with Fraunhofer Institute for Material Flow and Logistics (IML) for research and development in logistics systems and C-parts management optimization.
• fischerminorChannel Partner/ Reseller/ DistributorBrand partner for anchor systems and chemical anchors for steel construction fastening applications.
• FAKKT (Own Brand)coreOEM/ Whitelabel/ Licensing PartnerProprietary brand for chemical-technical products including brake cleaners, multi-oils, rust solvents, zinc protection sprays, and construction chemicals. K&K develops and markets FAKKT products.
• GLS (General Logistics Systems)minorChannel Partner/ Reseller/ DistributorPrimary parcel shipping partner for deliveries, with typical 2-day delivery for immediately available items.
• Dachser SpeditionminorChannel Partner/ Reseller/ DistributorFreight forwarding partner for pallet shipments alongside other logistics partners.

Scale indicators9 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Fastenal Company: U.S.-based industrial supply distributor operating vending/industrial vending solutions and Onsite locations. Comparable business model as a B2B fastener/MRO distributor with proprietary digital ordering and vending technology, though serving North American market.
• F. REYHER Nchfg. GmbH & Co. KG: One of Germany's largest fastener and fixing technology wholesale distributors, headquartered in Hamburg. Direct competitor serving the same industrial customer base with comparable product range and B2B supply services.
• Würth Group: The global market leader in fasteners and C-parts distribution with the proprietary Würth Online Shop and integrated procurement systems. Most directly comparable competitor to K&K in terms of product range, B2B e-commerce model, and Kanban-style supply services across industrial customers.
• Große-Vehne GmbH & Co. KG: German specialist fastener and C-parts distributor headquartered in Bad Salzuflen. Direct competitor in the German market with comparable focus on industrial OEM customers and C-parts management.
• Bossard Group: Swiss-headquartered specialist in fastener engineering and intelligent C-parts management (Bossard Smart Factory Logistics). Closely comparable to K&K in combining fastener distribution with proprietary IoT-enabled supply chain solutions for industrial manufacturers.
• Berner SE: European B2B specialist in trade, construction, and industrial supply with strong DACH presence and a digital procurement platform. Comparable as a multi-category industrial supplier offering tools, fasteners, and chemical-technical products via field sales and e-commerce.

Broad incumbents

• MSC Industrial Direct Co., Inc. Large U.S. broad-line industrial distributor with extensive MRO product range including fasteners, tools, and safety equipment. Comparable as a digital-first B2B distributor serving industrial customers, though operates at much larger scale and broader product breadth.
• W.W. Grainger, Inc. Major U.S. broad-line industrial supplies distributor serving businesses with maintenance, repair, and operating supplies. Adjacent comparable as a B2B industrial distributor with e-commerce platform and supply chain services, though with much broader product scope.
• Stanley Black & Decker, Inc. Global tool and industrial product manufacturer/distributor including fastener and tool brands (e.g., DEWALT, CRAFTOMATIC). Comparable as a major industrial player in fastening and tool categories with European distribution, though operates primarily as a manufacturer rather than distributor.
• Hilti AG: Liechtenstein-based tool and fastening technology specialist with direct sales model serving construction and industrial customers. Comparable in fastening technology and B2B direct-sales approach, though focused on higher-end power tools and anchor systems.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

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Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries1 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 Keller & Kalmbach Holding Gmbh & Co. Kg