Siebert + Knipschild GmbH

Name

Siebert + Knipschild GmbH

Legal name

Siebert + Knipschild GmbH

Website

https://siebert-testing.com

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Headquarters

HQ city

Oststeinbek

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Materials Testing Services: Professional testing services for plastic products, including mechanical testing, analytical examinations, and quality verification for various industries including medical devices, industrial products, consumer goods, and packaging materials.
2. Certification and Inspection Services: Monitoring and certification services for plastic construction products and composite building elements, including factory inspections and installation monitoring.
3. Expert Opinions and Assessments: Expert opinions (Gutachten) and damage analysis services for industrial and consumer goods, providing independent assessments for contractors and clients.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels8 records

Core offering

Siebert + Knipschild GmbH is an independent plastics testing laboratory and accredited inspection/certification body, performing mechanical and analytical materials testing, suitability and construction-site testing of hose liners (Schlauchliner) for sewer renovation, pressure pipe testing, landfill sealing membrane and LAU facility testing under WHG/AwSV, and expert opinions/damage analysis for industrial and consumer goods, medical devices, and construction products.

Product overview

Siebert + Knipschild GmbH operates as a testing laboratory for plastics, offering a portfolio of material testing and quality assurance services. The core offerings include plastic product testing (mechanical and analytical), sewer renovation/hose liner testing, pressure pipe testing, sealing membrane testing, and inspection services for facilities handling water-hazardous substances. The company also provides expert opinions and damage analysis. A distinctive offering is their proprietary quality seal (Siegel) for certified companies in the pipe rehabilitation sector. The services are delivered through accredited laboratory testing, on-site inspection, and certification activities, without any software product components.

Differentiator

Problem solved

Functional benefit

Products and services

• Plastics Material Testing (Prüfung von Kunststoffprodukten) Mechanical and analytical testing of plastic products, including expert opinions (Gutachten) for industrial and consumer goods, medical technology, and yacht construction.
• Sewer Renovation / Hose Liner Testing (Prüfungen in der Kanalsanierung / Schlauchlining)

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• TÜV Rheinland Industrie Service: Global testing, inspection, and certification provider with extensive construction product and material testing capabilities. Comparable as a broad incumbent serving manufacturers and contractors needing accredited third-party testing and certification across many of the same end markets as S+K.
• Bureau Veritas Germany: International testing, inspection, and certification firm with German operations covering industrial materials and construction products. Comparable as a broad alternative for accredited third-party testing and certification in markets overlapping with S+K, especially construction and infrastructure.
• TÜV SÜD Industrie Service: Large global testing, inspection, and certification incumbent with broad coverage of construction products, materials, and industrial QA. Comparable as a competing certification body for plastic construction products and pressure piping, though it operates across many verticals rather than specializing in plastics.
• Kiwa Deutschland: European testing, inspection, and certification group with a strong German presence in construction product certification, plastics, and piping. Comparable as an accredited certification body serving manufacturers and contractors in construction, water, and infrastructure markets overlapping with S+K's verticals.
• DEKRA Automobil GmbH / DEKRA Industrial: Major German and international testing, inspection, and certification organization with industrial and construction product testing offerings. Comparable as a large accredited alternative for construction material and industrial QA testing, but operating at much broader scale and scope.
• SGS Germany / SGS Institut Fresenius: Global testing and certification giant with significant German lab capacity for industrial, environmental, and construction material testing. Comparable as a competing accredited laboratory serving manufacturers needing material testing and certification, though at far larger scale.

Direct peers

• MFPA Leipzig (Materialforschungs- und Prüfanstalt): German materials research and testing institute specializing in construction materials, plastics, and building product testing with accredited laboratory and inspection services. Closely comparable as a German materials testing lab serving construction and industrial clients with overlapping testing capabilities.
• SKZ – Das Kunststoff-Zentrum: German plastics testing, research, and certification institute also serving the plastics industry across multiple end markets. Directly comparable as a plastics-focused accredited testing and certification body operating in Germany with overlapping service lines in material testing and quality assurance.
• IKT – Institut für Unterirdische Infrastruktur: German research and testing institute focused on underground pipe networks, sewer rehabilitation, and CIPP technologies. Highly comparable to S+K's hose liner/CIPP testing practice and the primary competing specialty lab for sewer renovation quality assurance in Germany.

Regional players

• Ofi – Österreichisches Forschungsinstitut für Chemie und Technik: Austrian plastics and materials testing, research, and certification institute serving industrial and construction clients. Comparable as a plastics-focused testing and certification body in the DACH region, though primarily serving Austrian rather than German clients.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UC8ipP2Y6BxBkUKH7x5doLLw/videos?view=0&sort=dd&shelf_id=0
• Facebookfacebook.com/siebert.testing
• LinkedInlinkedin.com/company/siebertknipschild
• Instagraminstagram.com/siebertundknipschild

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 Siebert + Knipschild GmbH