Build4You

From concept to mass production, seamlessly.

From concept to mass production, seamlessly.

You invent the products of tomorrow. We manufacture them at scale today.

You deliver faster, with total quality and traceability 

from the very first unit thanks to a reconfigurable factory, billed 

on demand and capable of adapting the process to each new version

Build4You

From concept to mass production, seamlessly.

You deliver faster, with total quality and traceability 

from the very first unit thanks to a reconfigurable factory, billed 

on demand and capable of adapting the process to each new version

  • Operator assembling a product guided by a tablet
  • Operator working on a computer at a test station
  • Operator assembling a part, top view

Value propositions

scale without slowing down
by testing faster

scale without slowing down
by testing faster

Produce quickly, test your product in the field. Integrate user feedback directly into production cycles as early as possible. Our reconfigurable infrastructure accommodates design changes without halting all production or starting from scratch.

BENEFITS: Accelerated time-to-market  | Shorter testing and iteration cycles  | Faster implementation of changes  | Scaling at the right time.

Hands assembling an electronic module, top view
Operator fastening a part at an assembly workstation

Improve quality
and reliability

Gain in quality
and reliability

BUILD4YOU relies on robust, reproducible, and traceable processes, inspired by the most demanding industrial sectors: automotive, energy, and aerospace.
Each stage is monitored to ensure a consistent level of quality, regardless of the volume produced.

BENEFITS: High quality from the very first parts  | Fewer errors and operational risks  | Product better aligned with market expectations  | Greater confidence among your customers and partners.

produce without tying up your capital

produce without tying up your capital

Produce on demand and pay only for the parts produced, with no volume commitment nor heavy industrial investment. Faactopi handles the assembly of your complex systems, while your teams remain focused on R&D, innovation and growing your business.

Produce on demand and pay only for the parts produced, with no volume commitment or heavy industrial investment. Faactopi handles the assembly of your complex systems, while your teams remain focused on R&D, innovation and growing your business.

BENEFITS: Better control of your cash flow  | Fixed costs converted

into variable costs  | Fewer tied-up resources  | A production model tailored to your actual growth.

Operator at the component preparation station

Your first production runs, with an evolving product

Your first production runs, with an evolving product

You need to deliver your first customer units and your product, process or volumes are still evolving. Industrialisation and production progress together through iterations and uncertainty. Our reconfigurable factory, available on demand, allows the process to be adapted in real time to each new version of the product, with complete quality and traceability from the very first unit.

For hardware teams that need to deliver their first customer units and whose product, process or volumes are still evolving. Industrialisation and production progress together through iterations and amid uncertainty. Our reconfigurable factory, available on demand, allows the process to be adapted in real time to each new product version, with complete quality and traceability right from the very first unit.

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Time-to-market

Cut months off time-to-production for your first parts. Avoid component obsolescence and expensive project delays.

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Time-to-market

Cut months off time-to-production for your first parts. Avoid component obsolescence and expensive project delays.

1000€

1000€

CAPEX

No capital tied up in rigid industrial tooling. Switch to a predictable pay-as-you-go model. Keep your funds for your product.

1000€

1000€

CAPEX

No capital tied up in rigid industrial tooling. Switch to a predictable pay-as-you-go model. Keep your funds for your product.

0%

0%

Traceability

Guaranteed digital traceability from the very first unit. Our factory is ISO9001 certified.

0%

0%

Traceability

Guaranteed digital traceability from the very first unit. Our factory is ISO9001 certified.

Offer details

Build4YOU in detail

Build4YOU in detail

Build4YOU in detail

Your on-demand, agile and flexible ISO 9001 factory – we offer you:

Your on-demand, agile and flexible ISO 9001 factory – we offer you:

Your on-demand, agile and flexible ISO 9001 factory – we offer you:

Your factory, without the constraints

An on-demand assembly plant available immediately. Procurement, storage, assembly, testing and packaging. Pay-as-you-go.

Total agility and flexibility

Complete flexibility to absorb frequent design changes and multiple product variants with no additional delays or penalties.

Built-in ISO 9001 quality & digital traceability

ISO 9001 certification, ERP, MES, state-of-the-art equipment and digitalised production tools.

Build4You

You can test faster, evolve your product freely, produce at the right volume and scale up at the right time. Benefit from the performance of a cutting-edge factory, combined with the flexibility of a model designed for innovative products. Assemble dozens or thousands of units using a work instruction folder, validate under real-world conditions of use, collect market feedback and adapt the design.

Validate the product's industrialisation
With BUILD4YOU, you can test faster, develop your product freely, manufacture at the right volume, and scale at the right time. You benefit from the performance of a cutting-edge factory, combined with the flexibility of a model designed for innovative products. Assemble dozens or thousands of units using a work instruction file, validate under real-world operating conditions, gather market feedback, and adapt the design.

You can test faster, evolve your product freely, produce at the right volume and scale up at the right time. Benefit from the performance of a cutting-edge factory, combined with the flexibility of a model designed for innovative products. Assemble dozens or thousands of units using a work instruction folder, validate under real-world conditions of use, collect market feedback and adapt the design.

Assembly instructions projected onto the work surface
Operator picking components from the assembly workstation bins

YOUR SUCCESS IS OUR SUCCESS

YOUR SUCCESS IS OUR SUCCESS

YOUR SUCCESS IS OUR SUCCESS

Speed, without risk, without compromise

Accelerate your time to market. Rely on proven processes and infrastructure to reduce your time to industrialisation.

Zero CAPEX, no commitment, total flexibility

A pay-as-you-go model, with no financial penalties. Instantly scale your production up or down based on market demand, with continuous optimisation.

Faactopi operator inspecting a mechanical subassembly

Guaranteed quality and traceability

ISO 9001 certified, cutting-edge equipment available from the very first unit. Secure your quality and traceability without heavy investment.

Industrial expertise on demand

Zero recruitment, zero delay. Senior engineers ready to hit the ground running: process, quality, supply chain, mechanical and electronics industrialisation.

Added value

Faactopi becomes your outsourced production line within an expert, flexible and digitalised factory — combining the agility of subcontracting with the control of in-house management.

Why us?

Why do hardware innovators choose Faactopi?

Why do hardware innovators choose Faactopi?

Why do hardware innovators choose Faactopi?

Between an in-house factory and traditional outsourcing, your hardware projects deserve better. Discover how the Faactopi model combines complete flexibility, zero-defect quality and real-time traceability to accelerate your time-to-market.

Between an in-house factory and traditional outsourcing, your hardware projects deserve better. Discover how the Faactopi model combines complete flexibility, zero-defect quality and real-time traceability to accelerate your time-to-market.

Between an in-house factory and traditional outsourcing, your hardware projects deserve better. Discover how the Faactopi model combines complete flexibility, zero-defect quality and real-time traceability to accelerate your time-to-market.

Faactopi

Traditional industry

Initial investment (CapEx)

Zero — true pay-as-you-go

€0.5 to 2m — frozen

Industrialisation (time to market)

3 to 6 months

12 to 18 months

Agility & Deadlines

No volume commitment, no penalty. Reconfiguration in 1 week.

Fixed capacity, limited to forecasts.
Reconfiguration in 3 to 6 weeks.

Quality & Traceability

Digitalised control in real time from the 1st unit

Manual entry & growth in maturity.

Faactopi

Traditional industry

Initial investment (CapEx)

Zero — true pay-as-you-go

€0.5 to 2m — frozen

Industrialisation (time to market)

3 to 6 months

12 to 18 months

Agility & Deadlines

No volume commitment, no penalty. Reconfiguration in 1 week.

Fixed capacity, limited to forecasts.
Reconfiguration in 3 to 6 weeks.

Quality & Traceability

Digitalised control in real time from the 1st unit

Manual entry & growth in maturity.

Faactopi

Traditional industry

Initial investment (CapEx)

Zero — true pay-as-you-go

€0.5 to 2m — frozen

Industrialisation (time to market)

3 to 6 months

12 to 18 months

Agility & Deadlines

No volume commitment, no penalty. Reconfiguration in 1 week.

Fixed capacity, limited to forecasts.
Reconfiguration in 3 to 6 weeks.

Quality & Traceability

Digitalised control in real time from the 1st unit

Manual entry & growth in maturity.

How does it work?

Our process in 4 steps

Our process in 4 steps

Go from prototype to mass production without the rigidity of traditional factories. Our process is designed to give you total visibility over your production costs and secure your launches.

Go from prototype to mass production without the rigidity of traditional factories. Our process is designed to give you total visibility over your production costs and secure your launches.

1

1

The brief

The brief

The brief

Fill in our online contact form.

Fill in our online contact form.

Fill in our online contact form.

Objective:
Understand your expectations, maturity level, and priorities in order to target precisely the value you are looking for.

Objective:
Understand your expectations, maturity level, and priorities in order to target precisely the value you are looking for.

Objective:
Understand your expectations, maturity level, and priorities in order to target precisely the value you are looking for.

2

2

Your requirements

Your requirements

Your requirements

A technical discussion to scope the project.

A technical discussion to scope the project.

A technical discussion to scope the project.

Objective:
Translating your expectations into clear requirements to define constraints and precisely formalise the expected technical results.

Objective:
Translating your expectations into clear requirements to define constraints and precisely formalise the expected technical results.

Objective:
Translating your expectations into clear requirements to define constraints and precisely formalise the expected technical results.

3

3

Our proposals

Our proposals

Our proposals

A comprehensive technical and financial proposal.

A comprehensive technical and financial proposal.

A comprehensive technical and financial proposal.

What it contains:
The unit production cost, the line setup costs (NRE), the delivery schedule, all details regarding production, testing, packaging, etc.

What it contains:
The unit production cost, the line setup costs (NRE), the delivery schedule, all details regarding production, testing, packaging, etc.

What it contains:
The unit production cost, the line setup costs (NRE), the delivery schedule, all details regarding production, testing, packaging, etc.

4

4

Launch

Launch

Launch

Our industrial unit leaps into action.

Our industrial unit leaps into action.

Our industrial unit leaps into action.

The method:
We launch the agile industrialisation of your product and the preparation of the production line. You track your delivery milestones and your quality indicators.

The method:
We launch the agile industrialisation of your product and the preparation of the production line. You track your delivery milestones and your quality indicators.

The method:
We launch the agile industrialisation of your product and the preparation of the production line. You track your delivery milestones and your quality indicators.

Our Certifications

Our Certifications

Robotics, aerospace, mobility, greentech: we industrialise complex products in sectors where speed is crucial and failure is not an option.

Robotics, aerospace, mobility, greentech: we industrialise complex products in sectors where speed is crucial and failure is not an option.

ISO 9001:2015 Certification
EcoVadis bronze medal, top 35%, February 2026

Meet us

We are your strategic partner for the industrial success of your project.
Book an appointment to discuss your project and your challenges

Faactopi operator at work in the workshop

Book an appointment

We are your strategic partner for the industrial success of your project.
Book an appointment to discuss your project and your challenges

Faactopi operator at work in the workshop

Meet us

We are your strategic partner for the industrial success of your project.
Book an appointment to discuss your project and your challenges

Faactopi operator at work in the workshop