Big news!

We are proud to announce that A4M Group and Flow Products International will continue together as FPI BV



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


Manufacturing and Assembly

We are manufacturing partner for Design Teams and Entrepreneurs

Engineering and Prototyping

We make your innovations and designs ready for production

How it works?

Do you need a Price Benchmark for your Prototype or Mass Production? Are you looking for a Manufacturing partner?

Benefit from our vast experience in Engineering and Production

Fill in your enquiry below

And hear we we can do for you

One of our experts gets back to you.

Once we have receive your enquiry we will get back to you.

Receive our proposal

Receive a Free Consultation with our feedback, suggested approach and deliverables


Prototyping and Manufacturing

Our Clients

Clients we’ve helped and partnered with since 2007

Contact us

FPI | Manufacturing Partner for Entrepreneurs and Design Teams

Seek feedback on how to turn your product idea into reality. Request a prototype or manufacturing quote.

Select which of the following services you need:

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* 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

About us

FPI 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.


Dedicated Team

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

Manufacturing knowhow

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

Custom Designs

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

Certified parts

FPI has wide network of certified manufacturers for complex parts.

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

One stop shop

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


We focus on highly innovative projects. As reference some of the awards our clients and team have won.

Environmental, Social & Governance

UN Sustainable Development Goal 12 encourages sustainable consumption and production. We partner with pioneers in the industry in order to reduce your Environmental Impact, and offer Sustainability Credentials and Sustainable Production Materials.