_ Automotive | Holzer Firmengruppe


Hardly any  other product has changed mankind's daily life more than the car. For decades, the HOLZER Corporate Group has supported the automotive industry as a full-service enterprise on an international level. Amongst our customers are some of the most famous car manufacturers in the world.


Whether it is about complex engineering solutions, the development of components and overall car development or quality control, we see ourselves as the experts who will be able to achieve your targets. Our specialists and operational teams both expect you to set us a challenge.

Automobile Electronics
Automotive Services
Automotive services - quality control
Design and development
Engine Design
Management of Vehicles in Competition and Service
Manufacture and Assembly
Service Center
Vehicle and Component Testing

We make success order able.

Our performances in the field of automotive

These customers trust us

  • Automotive services - quality control
  • Design and development
  • Manufacture and Assembly
  • Mechanical and Engine Engineering
  • Management of Vehicles in Competition and Service
  • Automobile Electronics
  • Automotive Services
  • Vehicle and Component Testing
  • E-Mobility
  • Logistics
  • Service Center

Automotive services quality control:

  • DEKRA DIN ISO 9001 : 2015 certified
  • Authorised workshop for more than 40 reputable insurance companies in the Innovation Group AG Association

We are an internationally active, innovative full service company with:

  • 10,000 m² of office and production space
  • DIN ISO 9001 : 2015  certified
  • QSF-A certified (certified company for aviation, aerospace and supply industry)


As an innovative full service enterprise we perform all phases in the engineering process from the first concept down to the finished product. Professional success lies at the centre of our long-standing and mutually beneficial customer relationships termed partnerships by our company.


From the very first contact up to the finished product, we pursue a customer-focused process management. We guarantee high-quality planning, development and design processes as well as outstanding results.

Result: Real successes


Design and development:

  • Preparation of concepts for the overall development of vehicles and components
  • Development of solution strategies for complex problems in existing assemblies
  • Project management, preparation of project  plans and resource planning
  • CAD design of all components with Unigraphics, Catia and Pro/E
  • Design of complex rollover and impact structures
  • Extensive experience in CFRP design, preparation of Lay-Up-Manuals in co-ordination with the client and the supplier
  • Transformation of body shell surfaces in final product designs
  • Checking and adjustment of the results by means of FEM calculation
  • Design of the required devices, tools and moulds
  • Design and construction of models for wind tunnel and performance testing
  • Design and construction of prototypes for test drives or for demonstration purposes (rapid prototyping)
  • Strictly confidential pre-development projects

Our machinery is designed  for the production of high-end-components for aviation and industry. For example we manufacture high-tech Parts for a variety of Airplanes as well as roadworthy e mobile special vehicles up to small series for motorsport (from a production batch of one to about 100 vehicles)


State-of-the-art CNC-machines have a network connection to the CAD-CAM work stations . In this way, extreme accuracy and optimal workflow in the manufacturing process are guaranteed in an effective and highly efficient way.


We are:

  • DIN ISO 9001 : 2015 certified
  • QSA-A Certified  (certified company for aviation, aerospace and equipment industry)
  • equipped with special tools for the machining of highly-resistant materials (for example titanium


Services in the area of production:

  • CAM-supported CNC manufacture on up to 6-axis milling centres for the machining of complex
  • components (component dimension up to 1.800mm in length)
  • Wire-eroding and sink erosion
  • High-precision welding
  • DMSB certified manufacture and installation of rollover structures
  • Own jig department, tooling shop and mould construction
  • Permanent quality control on state-of-the-art measuring systems
    • Measuring of shape and position tolerances
    • Measuring of surface roughness
    • Preparation of documentation


Services in the area of assembly:

  • Preparation of vehicles ranging from prototypes to small series
  • Vehicle preparation mounting plate 3,000x6,000mm with mobile gauge arm
  • Assembly of components
  • Mechanical component design

For our customers from the mechanical engineering sector we are a competent partner for efficient development, design, manufacture, optimizing as well as cost-down and reverse engineering.


Profit from our long-term experience in the development, manufacture and setup for example of special machines, large diesel engines and special vehicles.


Services in the area of machine construction:

  • Conceptual design: ideas, layout and project management
  • Research and development
  • Calculation
  • Design
  • Construction
  • Production as well as support in production processes
  • Preparation of the relevant technical documentation
  • Optimizing and speeding up of the engineering and production processes


Management of vehicles in competition and service


  • Complete service for your competition vehicle in all classes, whether on circuits or in rallies
    • Vehicle preparation and testing
    • Use of vehicles
    • Software-supported running time control according to manufacturer specification
    • Service provided by highly qualified staff
      • Vehicle engineers
      • Data engineers
      • Electronic engineers
      • Mechanics with competition experience
      • Logistics (tyre service, truck)
    • Vehicle transport
    • All the services can also be ordered separately
  • Full-service event organisation including transport, hotel reservations, entries, catering etc.
  • Service and testing
    • Test-bench studies for vehicles and components
      • 4-wheel-drive test bench up to 450 KW (Maha)
      • Transmission test bench
      • Schock  absorber test bench
      • Steering test bench
    • Non-destructive testing of components using ultrasonic testing and X-ray inspection
  • Permanent contact for technical questions
  • Provision of technical documents, homologation forms, manuals etc.

The electronic system in vehicles must not only represent a high-tech application but also comply with very special requirements in relation to resistance, temperature range, shock resistance and reliability.


As individual as the different manufacturers' vehicles are, as different are the layouts and operational principles of car electronic systems and the communication between the control units.


Despite all these differences, you may rely on one point: Onto our experience in the area of automobile electronics.


Services in the area automobile electronics

  • Selection and sourcing of electrical parts
  • New design of electrical systems in the vehicle
  • Production of top-quality cable assemblies
  • Production of electrical components
  • Application of strain gauges and sensor technology
  • Vehicle construction and installation of electrical systems
  • Repair of cable assemblies and electrical components
  • Servicing and maintenance of measuring and test setups.

Professionalism with speed.


Profit from our long-term experience in automotive services.


Whether for insurance, fleets or motorsport specific challenges: benefit from being able to obtain the following at one location: design, repair work, paintwork, installation solutions and maintenance.


An extract from our services in the area of automotive services:

  • Customer service for all makes of car
  • Emissions inspection
  • MOT general inspection
  • MOT inspection certificates
  • Hail damage / parking dents
  • Accident claims settlement
  • Body repair shop
  • Paintwork repairs
  • Catalytic converter retrofitting
  •  Air-conditioning shop
  • Performance tests
  • Vintage/Veteran Car restoration
  • Tyre service / rim service
  • Rim repair
  • Oil service
  • Car valeting and car wash
  • Special conversions
  • Inspection and maintenance
  • Bodywork repair
  • Brake system service

Quality is not important - until you need it.


Mobility represents freedom as long as it is safe. In our target-oriented tests with a single vehicle or with fleets of vehicles ,we even go beyond  the legal requirements.


Services in the area of vehicle and component testing

  • Launch and first verification of functionality
  • Design, application and servicing of measuring sensor systems for test and prototype vehicles or test setups
  • Provision of various measuring systems for the order-related adaptive equipment
  • Organisation and evaluation of road tests
  • Stiffness and fatigue resistant tests of components, using hydraulic or pneumatic PLC control on a 1,000 x 2,000mm test area
  • Preparation of test reports
  • Fatigue durability validation
  • Determining further steps in product development

What rocks mankind, has been rocking us for a long, long time!


E-mobility is considered to be one of the crucial factors in a global energy revolution. Not only in Germany.


For many years now and in many development projects, the HOLZER Corporate Group has consistently focused on sustainable and high-performance solutions in the future-oriented field of electromobility.


In co-operation with universities, research institutes, industry partners and ministries, we have designed our electromobiles for the present and future.


Services in the area of e mobility

  • Preparation of concepts for the overall development of vehicles and components
  • Development of solution strategies for complex problems and challenges
  • Project management, preparation of project planning and resource planning
  • Design and preparation of prototypes for test drives or for demonstration purposes
  • Provision of experts and expert teams for e mobility
  • Design, application and servicing of measuring sensor systems for test and prototype vehicles or test setups
  • Preparation of test vehicles and production of small series
  • Organisation and evaluation of test drives

Everything is at the right place  at the right time.

Around the clock worldwide.


Smooth and reliable deliveries are an integral part of the true success of a project. Therefore, we provide you with professional logistic solutions totally adapted to your ideas and requirements.


For decades, our customers have relied upon our accuracy and just-in-time solutions.


Services in the area of logistics:

  • Supply of parts and logistics for motorsport teams
  • Recording of all relevant processes through ERP systems
  • Organisation, control and provision of processes for your flow of goods
  • Event logistics for major events
  • Fast response solutions with overnight deliveries
  • Individual inventory solutions
  • Internet-based systems for the handling of spare part orders
  • Permanent contact for spare part orders

For us service means partnership.


We are available for you at all times. We are ready to listen to your requests, and come to your rescue  even with overnight solutions for any kind of problems with which you are faced!




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