Kleinsorge

What Kleinsorge does

Kleinsorge GmbH & Co. KG is a German industrial hardware manufacturer headquartered in Attendorn, North Rhine-Westphalia, founded in 1939 and privately held as a GmbH & Co. KG. The company specializes in certified connection technology (Verbindungstechnik) for lifting, rigging, lashing, and load-securing applications, producing chains, hooks, shackles, thimbles, clamps, turnbuckles, tensioning elements, lifting points, and accessories. Its catalog is organized around three core lines: Güteklasse 8 (Grade 8) components in high-strength tempered steel, the proprietary HIGH10 Grade 10 line offering 25% higher Working Load Limit with a blue lacquer finish, and the OAKLINE forestry program compliant with DIN EN 17822 (2023). It also offers precision Grade T hoist chains per DIN EN 818-7 and a complete stainless steel (Niro) range.

Manufacturing is conducted in-house across CNC machining, thread technology (Gewindetechnik), round forging/rolling (Rundkneten/Schmieden), bending (Biegetechnik), and sawing (Sägetechnik), using Grades 8 and 10 tempered steel, stainless steel, and aluminum, with CE marking and per-product test certificates (Prüfzeugnisse) for regulatory traceability. The company additionally offers custom Sonderlösungen covering turned parts, bent parts, castings, forgings, pipe deformations, and threaded components. Operationally, products are sold exclusively to commercial buyers (Gewerbetreibende) through the kleinsorge.de B2B e-commerce storefront with account-based pricing, supported by a downloadable catalog, email newsletter, and direct inquiry channels. Target segments include industrial lifting & rigging (primary), forestry via OAKLINE, and transport/cargo lashing, served primarily across the DACH region. Management comprises three Geschäftsführer: Carsten Schulte, Maximilian Hallschmied, and Yannik Hallschmied.

Name

Kleinsorge

Legal name

Kleinsorge GmbH & Co. KG

Website

https://kleinsorge.de

Company type

Private

Founded year

1939

Operating status

Operating

Headcount range

51–100 employees

Short description

Kleinsorge is a German industrial hardware manufacturer producing certified chains, hooks, shackles, turnbuckles, and connection technology for lifting, rigging, and load-securing in industrial, forestry, and transport sectors. The firm serves commercial B2B customers across the DACH region via its own e-commerce platform.

Ownership category

akta.pro rank

Product category

Industrial Rigging and Lifting Hardware

NAICS

Bolt, Nut, Screw, Rivet, and Washer Manufacturing (332722), Hardware Manufacturing (3325), Precision Turned Product Manufacturing (332721)

SIC

Bolts, Nuts, Screws, Rivets & Washers (3452), Cutlery, Handtools & General Hardware (3420), Screw Machine Products (3451)

akta.pro primary industry

Lifting Attachments & Material Handling Accessories (Fork Attachments, Slings, Rigging) (IMAHABAJ)

Keywords

• Rigging hardware
• Load securing equipment
• Lifting chains
• Shackles and hooks
• Connection technology

Headquarters

HQ city

Attendorn

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Product Sales (Hardware): Kleinsorge generates revenue through direct product sales of rigging, load-securing, and connection technology hardware. Products are sold via an e-commerce storefront with account-based pricing. The catalog includes standard catalog items (Katalogprogramm) as well as custom special solutions (Sonderlösungen) such as turned parts, bent parts, castings, forgings, and custom threaded components. Revenue is primarily one-time product purchase, though repeat ordering through established accounts constitutes a recurring revenue dynamic.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Kleinsorge manufactures and sells certified lifting, lashing, and load-securing hardware — chains, hooks, shackles, turnbuckles, clamps, thimbles, lifting points, tensioning elements, and stainless steel variants — for industrial B2B buyers. The company also produces custom-engineered special solutions (Sonderlösungen) including turned/milled parts, bent parts, forgings, castings, and threaded components via in-house CNC, threading, forging, bending, and sawing operations. Products are CE-marked, conform to relevant DIN/EN standards, and ship with per-product test certificates (Prüfzeugnisse).

Product overview

Kleinsorge is a German industrial hardware manufacturer specializing in secure connection technology for lifting, lashing, and load securing applications. The product portfolio operates as a comprehensive multi-category hardware system organized around three main product lines: Güteklasse 8 (Grade 8) components in high-strength quenched and tempered steel with -40°C to +400°C temperature range; Güteklasse 10 HIGH10 premium components offering 25% higher working load limits with blue lacquer finish; and the specialized Forstprogramm OAKLINE forestry brand for ground traction with cold-temperature capability to -20°C. Core product categories span chains (lifting, lashing, barrier, precision Grade T), hooks (safety, lashing, container, towing variants), shackles, wire rope hardware (clamps, thimbles, sockets), turnbuckles, tensioning elements, lifting points, and stainless steel (Niro) variants. The offering extends to custom special solutions (forgings, castings, machined parts, bent parts) supported by in-house manufacturing capabilities including CNC, threading, forging, and bending technology. The company serves industrial B2B customers exclusively, requiring trade/business registration.

Differentiator

Problem solved

Functional benefit

Brands

• OAKLINE: Forestry product program including forest chains, D-profile chains Grade 80 and Grade 100, shackles, and related forestry equipment for ground traction applications.
• HIGH10

Products and services

• Chains (Ketten) Comprehensive chain portfolio including forestry chains D-profile Grade 80 and Grade 100, precision fine-tolerance lifting chains Grade T per DIN EN 818-7, short-link round steel chains per DIN 766, long-link round steel chains per DIN 763, barrier chains per DIN 5685-1, plastic barrier chains (red-white, black-yellow), Grade 8 chains with/without H-stamp, HIGH10 chains with/without H-stamp, and marking tags. Sold to industrial B2B buyers via the online storefront.
• Hooks (Haken) Extensive hook portfolio including lashing hooks, rope sliding hooks, eye hooks, fork head hooks (self-closing variants), parallel hooks, safety load hooks, swivel load hooks, weld-on hooks, container hooks, tow hooks, carabiner hooks, simplex hooks, S-hooks, block rope rollers, swivels, and various DIN-compliant hook designs. Sold to industrial B2B buyers.
• Shackles (Schäkel) Diverse shackle range including designs similar to DIN 82101, Plus shackles Grade 8, high-strength shackles, DIN EN 13889 compliant shackles, commercial shackles, and stainless steel variants in straight, bowed, and long configurations. For lifting and rigging applications.
• Links (Glieder) Comprehensive range of link components including lifting lugs HIGH10, suspension assemblies, connecting links, shortening claws, Grade 80 and Grade 8 lifting components, chain quick-release connectors, round rings, and special suspension assemblies for 1 to 4-strand chain slings.
• Turnbuckles (Spannschlösser) Extensive turnbuckle catalog including DIN 1478, DIN 1479, DIN 1480 variants with hook/eye/forge ends, sheet screw turnbuckles, high-strength versions, stainless steel options, rod terminals, stay adjusters, ratchet loadbinders, HIGH10 ratchet loadbinders, wire rope tensioners, and anchorage rope turnbuckles.
• Tensioning Elements (Spannelemente) Lashing straps, ratchet straps (25mm to 75mm), long-lever ratchets, ergo pull ratchets, hooks (point, double, safety), claw hooks, flat hooks, clamping locks, swivel hooks, carabiner hooks with triangle, buckles, rail anchors, airline fittings, and cover nets. For cargo lashing and load-securing per DIN EN 12195-3.
• Lifting Points (Anschlagpunkte) Lifting points and anchor points including PPE swivel eye bolts per EN 795/TS 16415, HIGH10 lifting swivels, Grade 80 swivels, weldable lifting lugs Grade 8, weld-on hooks, high-strength eye bolts, and high-strength eye nuts.
• Wire Rope Clamps (Klemmen) Wire rope clamps per DIN EN 13411-5, DIN 741, egg-shaped clamps, simplex/duplex clamps, press sleeves per DIN EN 13411-3, wedge end clamps, symmetrical wire rope sockets, and tension clamps with round or oval eyes.
• Thimbles (Kauschen) Thimbles compliant with DIN 3090, DIN 65457, and similar to DIN 6899, plus stainless steel (Niro) versions for wire rope protection in corrosive and heavy-duty environments.
• Screws and Nuts (Schrauben/Muttern) PPE swivel eye bolts per EN 795/TS 16415, DIN 580 lifting eye bolts, DIN 582 eye nuts, WK eye bolts, high-strength variants, and HIGH10 swivel eye bolts in various materials and surface finishes.
• Round Steel Stirrups (Rundstahlbügel) Round steel stirrups per DIN 3570, clamp screws, and plates for clamp screws in galvanized and stainless steel variants.
• Cotter Pins (Splinte) Spring cotters (single and double), standard folding pins, DIN 11024 spring cotters, pipe folding pins, and split pins per DIN EN ISO 1234 in galvanized and stainless steel.
• Stainless Steel Products (Niro-Artikel) Comprehensive stainless steel (Niro/A2/A4) product range including chain quick-release connectors, round rings, carabiner hooks, swivels, thimbles, wire rope clamps, simplex/duplex clamps, round steel stirrups, clamp screws, shackles, eye bolts, eye nuts, turnbuckles, stay adjusters, terminals, spring cotters, and related hardware for corrosive environments.
• Playground Equipment Accessories (Spielgeräte-Zubehör) Hardware accessories for playground equipment and recreational installations.
• Grade 8 Components (Güteklasse 8) High-strength quenched and tempered steel lifting components product line including lifting lugs, suspension assemblies, connecting links, safety load hooks, lashing chain systems per DIN EN 12195-3, chain Grade 8, and comprehensive accessories with temperature range of -40°C to +400°C.
• HIGH10 Grade 10 Components (Güteklasse 10 HIGH10) Proprietary premium lifting components in Grade 10 offering 25% higher working load limit than Grade 8 equivalents. Features HIGH10 branded lifting lugs, swivel lifting eye bolts, connecting links, hooks, shortening claws, lashing chain systems, and ratchet loadbinders with blue lacquer finish and -40°C to +200°C temperature range.
• OAKLINE Forestry Program (Forstprogramm OAKLINE) Specialized forestry lifting and lashing equipment brand including OAKLINE rope sliding hooks, slinging hooks with chain support, sliding bow, rotating sliding bow, insertion pin, choker/bardon hooks, forestry chains D-profile Grade 80 and Grade 100 per DIN EN 17822, shackles per DIN EN 13889, and press sleeves per DIN EN 13411-3. Designed for forestry ground traction with temperature range down to -20°C.
• Special Solutions (Sonderlösungen) — Custom Manufacturing Custom manufacturing service including turning and milling parts (Dreh- & Frästeile), bent parts (Biegeteile), pipe deformations (Rohrverformungen), castings (Gussteile), forgings (Schmiedeteile), post holders (Pfostenträger), threaded parts (Gewindeteile), and miscellaneous custom components. Project-quoted per customer specification.

Quantifiable outcome

• HIGH10 chains provide 25% higher Working Load Limit (WLL) than standard Güteklasse 8 chains of equivalent size
• +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

Feature3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Van Beest B.V. Dutch manufacturer of high-quality green-pin shackles and rigging accessories under the Green Pin brand. Closely matches Kleinsorge's shackle-and-attachment focus, European Mittelstand character, and B2B industrial customer base.
• Codipro GmbH: German/French (originated Belgium) manufacturer specializing in swivel lifting points and lifting-eye bolts. Directly comparable to Kleinsorge's lifting-points category (PPE swivel eye bolts per EN 795/TS 16415, HIGH10 lifting swivels) at similar Mittelstand scale.
• RUD Ketten Rieger & Dietz GmbH: German manufacturer of industrial chains, tire-protection chains, and lifting/rigging components. Directly comparable on product scope (chains, hooks, lifting points, forgings), German Mittelstand profile, and grade-based product segmentation including proprietary high-strength lines.
• Thiele GmbH & Co. KG: German chain and lifting-hardware manufacturer specializing in round steel chains, master links, hooks, and connecting components. Closely matches Kleinsorge's chain-and-attachment focus, German Mittelstand footprint, and grade-based product architecture.
• Pewag Austria GmbH: Austrian manufacturer of chains, lifting accessories, and snow chains. Highly comparable to Kleinsorge as a European chain and lifting-hardware specialist with proprietary grade systems, in-house forging, and B2B industrial distribution across lifting, lashing, and forestry.
• SpanSet GmbH & Co. KG: German/Swiss manufacturer and supplier of lashing and load-securing equipment including ratchet straps, lashing chains, and tie-down systems per DIN EN 12195-3. Directly comparable to Kleinsorge's Transport & Cargo Lashing segment and Special Solutions custom capabilities.

Broad incumbents

• Gunnebo Industries: Sweden-based global manufacturer of lifting, rigging, and load-securing hardware with a wide multi-region distribution footprint. Comparable product portfolio (shackles, hooks, lifting points) but operates at substantially larger scale and geographic breadth than Kleinsorge.
• The Crosby Group: US-headquartered global rigging and lifting hardware manufacturer with an extensive portfolio of shackles, hooks, and lifting accessories. Comparable on rigging hardware category, but with much broader geographic coverage and scale than a DACH Mittelstand player.

Emerging players

• Yoke Industrial Corp. Taiwanese manufacturer of safety and lifting hardware including shackles, hooks, and connectors sold globally under private label and own brand. Comparable product portfolio with focus on competitive-grade lifting hardware and a strong export orientation.

Others

• Certex Lifting & Rigging: European distributor and manufacturer of lifting and rigging equipment, including chains, shackles, and lifting accessories under the Certex brand. Comparable product range but operates as a distributor-integrator complementing manufacturers like Kleinsorge rather than a pure-play German Mittelstand producer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/kleinsorge

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Kleinsorge