products designed


products produced

Work with us on

Engineering & Manufacturing

Benefit from our vast experience in Engineering and Production

  • Work directly towards mass production

  • High diversity in material and production options ready for you

  • Dedicated project manager and engineering team

  • Above all save cost!

 1. Feasibility study

  • Benchmarking
  • Tooling & Unit price indication
  • Regulatory restrictions
  • Technical Feasibility
  • Circular Design options

On average 1 month

2. Prototyping

  • Component Sourcing
  • Engineering, DFM, DFA
  • Electronics Design
  • Functional & CMF Prototyping
  • Testing & Certification research

On average 1 to 5 months

3. Manufacturing

  • Tooling & Assembly
  • Testing & Quality Assurance
  • Arrange Certification
  • Mass production
  • Shipping

On average 3 to 5 months


How it works?

How to get started

Do you need a Price Benchmark for your Prototype or Mass Production?
Are you looking for expertise on Engineering and Manufacturing?

  • Fill in your enquiry below

  • One of our experts gets back to you.

  • Receive a free consult with our feedback, suggested approach and deliverables

Prototyping and Manufacturing

Dedicated Team

With A4M group you have a dedicated development team. Our engineer, designer, and production account manager work side by side.

Manufacturing knowhow

Design departments team up with A4M group for cost estimation, engineering, prototyping, and manufacturing.

Custom Designs

A4M group creates new items for your sales channels and brand. We realise custom designs. We transition your product to biobased or recycled materials.

Certified parts

A4M group has wide network of certified manufacturers for complex parts.

  • Biobased and Recycled materials
  • Electronics
  • Packaging
  • Metal parts
  • All plastic techniques
  • Assembly

One stop shop

A4M group offers a one stop shop for your supply chain, quality assurance, planning and shipping. This way you can focus on your business operations.

Our Work

We build and produce consumer products related to the energy transition, robotics, healthtech, home use and the circular economy.

About us

A4M group is a Prototyping and Manufacturing company
We help entrepreneurs to realize and scale their innovations


  • By partnerships with Prototype Makers and Manufacturers.
  • By our in-house team in Engineering, Industrial Design and Supply Chain.
  • By proactive thinking and doing.


  • Founded by Boukje Koch and Mariet Schreurs, alumni of Delft University of Technology.
  • Highly experienced team for bringing an innovation from concept to production.
  • Passion for Sustainability.


Our Clients

Clients we’ve helped and partnered with since 2007


Awards won by our clients and team

Contact us

With the information below we will prepare our approach and deliverables for you

Does your project relate to any of the topics below? Or you wish it did in the future? Please do let us know!


  • Energy Transition
  • Clean Drinking Water
  • Clean Air
  • Biodiversity etc


  • Health Tech
  • Dignified Aging
  • Inclusive Design
  • Prosthetics etc


  • Recycled materials
  • Biobased materials
  • Design for repair
  • Durability

Select which of the following services you need:

Or send us an email

Our Blog

Stay up to date with our latest insights

Our Circular Design wins Red Dot!

Our Circular Design wins Red Dot!

In 2021, A4M group did research on the circularity of consumer electronics. We talked with numerous stakeholders in the chain, product designers, electronic engineers, repair shops, manual experts, product platform experts, waste management expert, and consumers....

Responsible Materials & Manufacturers

Responsible Materials & Manufacturers

In 2007, from a small building on top of a Chinese television factory, Boukje Koch started working on mirror lamps and waterproof razors. The "studio" was next to the elevator shaft. The walls had big cracks to the outdoor. With her pink cargo bike and almost...