Wachs

What Wachs does

Wachs GmbH is a Hamburg-based, privately held (GmbH) trade-services company specializing in technical insulation (Isoliertechnik). Founded on November 16, 1964 by Dipl.-Ing. Bernhard Strauß and Michael Szimmetat, who continue to serve as managing directors (Geschäftsführer), the firm delivers heat insulation (Wärmeisolierung), cold insulation (Kälteisolierung), acoustic protection (Schallschutz), and fire protection (Brandschutz) for HVAC systems, pipelines, technical rooms, and industrial installations. It operates without subsidiaries, external investment, or parent-company relationships and is registered with the Hamburg commercial register (HRB 92675).

The company's core offering is project-based professional services — planning, material delivery, and on-site installation of insulation systems — sold via direct engagement with commercial and industrial clients. Pricing is quote-based and project-specific (not publicly disclosed), and the go-to-market is direct-to-customer: initial phone consultation, on-site assessment, and project contracting. The firm markets an integrated "all insulation services from one provider" value proposition and emphasizes specialization over generalist contracting, supported by an in-house specialist workforce (headcount stated at 1-10 employees).

Wachs serves a single geographic market: the Hamburg metropolitan area and broader North Germany, with no indication of operations outside Germany. The firm has remained founder-controlled and independent throughout its operating history, with no M&A, funding, leadership change, or restructuring events disclosed. Its distribution model relies entirely on direct field service, with regional reputation and word-of-mouth alongside a basic website and phone presence serving as primary lead-generation channels.

Name

Wachs

Legal name

Wachs GmbH

Website

https://isowachs.de

Company type

Private

Founded year

1964

Operating status

Operating

Headcount range

1–10 employees

Short description

Wachs GmbH is a Hamburg-based, founder-owned specialized insulation trade firm founded in 1964, delivering heat, cold, acoustic, and fire protection insulation services to commercial and industrial clients across the Hamburg metropolitan area and North Germany.

Ownership category

akta.pro rank

Product category

Technical Insulation Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220)

akta.pro primary industry

HVAC & Industrial Ventilation (Chillers, AHUs, Exhaust, Filtration) (EUAEAFAE)

Keywords

• Technical insulation services
• Heat insulation
• Cold insulation
• Fire protection insulation
• Soundproofing services

Headquarters

HQ city

Krähenberg

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales

Revenue model

1. Installation Services: Project-based professional services for technical insulation installation, including planning, material delivery, and execution of insulation work for commercial and industrial clients.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Wachs GmbH is a specialized technical insulation contractor providing heat insulation (Wärmeisolierung), cold insulation (Kälteisolierung), sound protection (Schallschutz), and fire protection (Brandschutz) services for commercial and industrial clients. Services cover pipelines, fittings, ventilation ducts, HVAC systems, refrigeration systems, and technical rooms, delivered through project-based on-site installation by specialist craftsmen from consultation through planning, material delivery, and execution.

Product overview

Wachs GmbH is a specialized insulation technology company offering a unified portfolio of technical insulation services. The core offerings include Wärmeisolierung (heat insulation), Kälteisolierung (cold insulation), Schallschutz (sound protection), and Brandschutz (fire protection). These services are delivered through specialized offerings such as Lüftungsdämmung (ventilation insulation) and Heizungs-, Sanitär- und Lüftungsdämmung (heating, plumbing, and ventilation insulation). The company provides comprehensive project execution from initial consultation through planning, delivery of insulation materials, and professional installation, serving commercial and industrial clients in the Hamburg region.

Differentiator

Problem solved

Functional benefit

Products and services

• Heat Insulation (Wärmeisolierung) Insulation services for pipelines, fittings, and ventilation ducts that reduce energy losses and operating costs while protecting technology from external influences. Targeted at commercial enterprises, industrial plants, and technical facilities.
• Cold Insulation (Kälteisolierung) Cold insulation services that prevent condensation, protect equipment from corrosion, and ensure efficient operation of refrigeration systems. Targeted at commercial and industrial facilities with cold technology installations.
• Sound Protection (Schallschutz) Sound protection measures including individually planned enclosures and sound hoods (Schallkapselungen) for measurably quieter technical rooms. Targeted at facilities with noise-intensive technical equipment.
• Fire Protection (Brandschutz) Norm-compliant fire protection measures for ventilation ducts, cable penetrations, and technical areas that prevent fire and smoke transmission. Targeted at commercial buildings, industrial facilities, and technical rooms requiring regulatory fire safety compliance.
• Ventilation Insulation (Lüftungsdämmung) Specialized insulation services for ventilation ducts and systems that prevent condensation, protect building structures, and improve energy efficiency. Targeted at commercial and industrial buildings with HVAC infrastructure.
• Heating, Plumbing, and Ventilation Insulation (Heizungs-, Sanitär- und Lüftungsdämmung) Professional insulation of pipelines, fittings, and ventilation ducts for improved energy efficiency and protection against external influences, with high-quality jacketing for longevity, safety, and clean professional execution. Targeted at commercial and industrial facilities.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves3 records

Expansion highlights3 records

Broad incumbents

• Saint-Gobain ISOVER: Leading manufacturer and supplier of mineral wool and technical insulation materials across Europe with significant operations in Germany. Adjacent to Wachs's downstream insulation installation business through materials supply; comparable customer base (HVAC, industrial, building services).
• SPIE GmbH: Germany-based multi-technical building services provider covering HVAC, electrical, and insulation-related MEP work for commercial and industrial clients. Broader portfolio but overlaps with Wachs in HVAC insulation and building technical services.
• Caverion Deutschland GmbH: German arm of Nordic building solutions and industrial services firm delivering HVAC, plumbing, and technical building services. Comparable end-customer base and partial overlap with Wachs in HVAC/heating insulation work, though as a full-service provider.
• Armacell GmbH: Global manufacturer of flexible elastomeric foam and pipe insulation systems used in HVAC and refrigeration. Directly relevant to Wachs's Kälteisolierung (cold insulation) and HVAC insulation work; serves overlapping commercial/industrial customers in Germany.
• Bilfinger Engineering & Maintenance (DACH): Major German-headquartered industrial services provider offering insulation, scaffolding, and maintenance services for process plants and power/industrial facilities. Comparable industrial-customer focus and partial overlap with Wachs's thermal insulation offerings.
• Rockwool (DEUTSCHE ROCKWOOL): Major producer of stone wool insulation products for buildings, industrial processes, and HVAC systems in Germany. Compares as a broad incumbent serving the same end customers and applications as Wachs, primarily on the materials side rather than installation.

Emerging players

• Kaimann GmbH: German specialist manufacturer of flexible elastomeric and polyolefin foam insulation products for heating, plumbing, refrigeration, and air-conditioning applications. Comparable focus on cold/HVAC insulation; overlaps with Wachs's material needs in Kälteisolierung and HVAC duct projects.
• Thermaflex Isolatie B.V. (DACH): European supplier of pre-insulated pipe and HVAC insulation solutions active in the DACH region. Adjacent overlap with Wachs's heat/cold pipe insulation work; smaller player than ISOVER/Rockwool but with comparable product positioning.

Direct peers

• G+H Isolierung GmbH: German industrial insulation specialist delivering heat, cold, sound, and fire protection insulation for technical installations and building services. Same core service mix as Wachs, with broader project reach and additional offshore/industrial plant exposure.
• Kaefer Isoliertechnik GmbH: Headquartered in Bremen, Germany, Kaefer is the largest European industrial insulation contractor offering thermal, cold, acoustic, and fire protection insulation services. Directly comparable in service portfolio (Wärme-, Kälte-, Schall-, Brandschutz) to Wachs, though at vastly larger national/international scale.

Market position

Strengths3 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

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Compliance2 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 Wachs