PCB Prototyping Services in Portsmouth

Fast, accurate and reliable prototype builds for UK engineers and product developers.

Every successful electronic product begins with a high-quality prototype. At Phase One Electronics, we provide rapid, dependable PCB prototyping for UK businesses developing new technologies. With over 35 years of manufacturing experience, we help engineers move from concept to functional hardware with speed, accuracy and confidence.

Why Choose Phase One Electronics for PCB Prototyping

We understand the pressures faced during product development — tight deadlines, evolving designs and a need for reliable results. Our PCB prototyping service is built around speed, accuracy and engineering support, helping UK innovators bring ideas to life.

With over 35 years of manufacturing experience and a strong reputation across Portsmouth and Hampshire, we provide dependable prototype builds backed by close communication, modern production methods and skilled workmanship.

Whether you need a single concept board or a short run of engineering samples, we ensure your prototypes are built correctly, inspected thoroughly and delivered on time.

Our Prototyping Process: Built for Accuracy and Speed

Our prototype workflow has been developed over decades to provide engineers with dependable, repeatable results. Each stage is handled by skilled technicians and reviewed carefully to ensure your prototype behaves exactly as intended. Whether you are testing a concept, validating component choices or preparing for full production, our structured process protects your timeline and your design integrity.

Technical review & DFM feedback

We analyse your files, identify risks and ensure the design is fully manufacturable.

Component sourcing & verification

Free-issue or turnkey all parts are checked for correctness, condition and suitability.

Precision SMT assembly

Automated placement and controlled reflow ensure consistent soldering.

Through-hole & odd-form assembly

Manual soldering carried out to professional standards for complex or mechanical parts.

Inspection & quality assurance

Every board is checked for polarity, orientation, solder joints, placement accuracy and cleanliness.

Firmware loading & testing

Optional electrical testing, programming and functional checks ensure your prototype is ready for evaluation.

Industries We Support With PCB Prototyping

Our PCB prototyping service is trusted by engineers across a diverse range of UK industries. These sectors require accuracy, stability and reliable early-stage builds that help verify designs and prepare for full-scale production. With more than 35 years of manufacturing experience, we support prototype development for businesses where dependable hardware is essential to product success.

Marine &
Offshore

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Electronics that must withstand corrosion, moisture, vibration and long-term exposure to harsh environments.

Defence &
Military

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Reliable, secure, safety-critical circuits designed for mission-ready performance and strict quality standards.

Automotive &
Electric Vehicles

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Electronics exposed to constant vibration, heat cycling and extended operating lifetimes.

Medical &
Healthcare Equipment

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Safety-critical systems that require complete stability, cleanliness and predictable long-term operation.

Telecommunications &
Surveillance

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Electronics that must deliver signal integrity, uptime and reliable data processing in varied environments.

Industrial Automation &
Robotics

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Precision control systems used in 24/7 environments where failure is unacceptable.

Rail, Transport &
Infrastructure

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Durable electronics designed for heavy-duty, mission-critical applications in transport and public infrastructure.

Audio & Music Industry

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Electronics used in live sound, studio recording and broadcast environments, requiring ultra-low noise performance, stable signal processing and long-term reliability under continuous operation.

Prototype Quantities: From One-Off Builds to Pre-Production Runs

Our PCB prototyping service is intentionally flexible. Whether you need a single early-stage board or a small batch of pre-production units, we tailor our approach to match your development phase, budget and timescales.

One-Off Prototypes

Ideal for proof-of-concept designs, feasibility studies and early R&D hardware where speed and feedback are critical.

Engineering Samples

Multiple boards built for in-house testing, design comparisons, firmware development or team evaluation.

Small Pilot Batches

Perfect for field trials, beta testing, customer demos or low-volume early production runs.

Pre-Production Builds

Final prototypes assembled using production-style workflows to help validate processes before full-scale manufacturing.

Request a PCB Prototyping Quote

To provide a fast, accurate and dependable quotation for your prototype PCB build, please include the key project files and details listed below. This information enables us to assess manufacturability, component availability, assembly complexity and any special requirements—ensuring we deliver precise pricing and expert guidance from the start.

Gerber Files

Your Gerbers allow us to review board layers, design rules, copper features and overall fabrication requirements.

Quantity Required

From single prototype units to small pre-production runs, we tailor our pricing and scheduling to match your volume needs.

Bill of Materials (BOM)

A detailed BOM helps us confirm part availability, alternatives, sourcing lead times and any special handling instructions.

Testing Requirements

Let us know if you need visual inspection, AOI, continuity checks, power-up testing or customer-defined functional verification.

Pick-and-Place Files

These files let us verify component placement, rotation, polarity and optimisation for automated assembly.

Preferred Lead Time

Share your expected turnaround or any urgent deadlines so we can plan capacity and deliver the most suitable options. We provide clear, transparent pricing with no hidden extras—giving you confidence and clarity throughout your prototyping process.

Assembly Drawings or Build Notes

Provide any assembly instructions, keep-out areas, special soldering needs or unique build steps so we can ensure full compliance with your design intent.