Design and engineering solutions for established manufacturers and entrepreneurs since 1999.

Past design projects, injection moulding, 3D CAD,  Hardwear enclosures, mouldings, mechanism design
Our experience designing POS, wayfinding, kiosk design, payment terminal and digital signage
Past design work, premium product design, CNC aluminium, designer product
Design for crowdfunding, crowdcube, grant for design kickstarter, gofundme,
design of industrial enclosures, metal covers, CNC Aluminium, sheet metal enclosures
design of industrial enclosures, metal covers, CNC Aluminium, sheet metal enclosures
Our experience designing plastic and rubber goods. Injection moulding
We use SolidWorks to create control drawings
We use SolidWorks to create control drawings
We use SolidWorks to create control drawings
We use SolidWorks to create control drawings
Signage and point of sale

Sheet metal internal structures with cosmetic external cladding. Integration of electronic hardware.

Homepage-glasses case
Premium lifestyle goods

Aesthetic concept designs are explored using premium materials and refined finishing techniques.

Kickstarter funded project

Product development, graphic design, prototyping and marketing visuals.

Electronics enclosures

Sheet metal fabrication, Aluminium extrusions, CNC machining.

Concept Design
Concept Design

Attractive product options can
be explored quickly alongside
physical 3D prototypes.

Homepage-baby bottle
Plastic and rubber parts

Injection moulded parts for a range of applications and industries including medical, FMCG and consumer electronics.

Homepage-technical drawings
Heading layer
Control drawings

Revision control, critical dimensions, BOMs, material specification, tolerances.

Plastic Enclosures
Plastic Enclosures

Complex mechanical enclosures which integrate custom and 3rd party electronics

Technical Schematics

For reference documentation and marketing

'eco by design'

PPE visor made from recycled materials, easier to reuse and recycle at end-of-life.

previous arrow
next arrow


Working with SMEs and established businesses who seek professional assistance with engineering and new product development. We can work as an effective addition to your permanent team.
[Click for FAQs]

  • Medical diagnostics
  • Signage and wayfinding
  • Information and payment kiosks
  • Military equipment
  • FMCG and structural packaging
  • AV and consumer electronics
  • Industrial electronics enclosures
  • Hospital equipment

    Advice for SMEs


Guiding an entrepreneur with an idea through the steps needed to bring a product to market. With the benefit of over 20 years industry experience we can work with you to create the perfect product. 
[Click for FAQs]

  • Lifestyle products
  • Mother and baby
  • DIY and industrial tools
  • Sporting goods
  • Scientific and research
  • Living aids and healthcare
  • Toys and games
  • Education

Advice for Entrepreneurs

About us

James Barr

Company owner James Barr BSc (Hons) established a limited company in 2014 to work directly with clients. With a network of trusted manufacturing partners James Barr Design has reliable links to prototype and manufacture products.

James has been a consultant designer since 1999, working in a wide range of industries as both a consultant and in-house senior designer. Consultancy work requires the ability to research and quickly understand any products unique challenges and opportunities. Running in-house design teams requires great attention to detail for all aspects of a product launch including quality control, graphic design and packaging. 

We specialise in CAD product design in Surrey, London, Kent and Sussex but do take on clients across the UK and Europe. Communication is key; regular zoom meetings, calls and emails keep our clients well informed on progress.   

Introduction to James Barr Design Ltd


" Reliable, trustworthy and responsible. He is creative and able to communicate his design concepts effectively through the use of 3D CAD and rendering software. Hard working, well organised and extremely personable having a natural ability to get on with everyone who came in contact with him. "
Medical device design
Tony Lee
Owner - Lee Design Associates
" James has supported R'Care with both his creativity and technical ability to develop a family of new products for us. Working with European manufacturing partners he has developed attractive and economic products underpinned by a good understanding of our market requirements. "
Medical product design
John Gough
Director - R'Care KFT
" James managed a team of designers and technicians and was responsible for product design over a range of Audio Visual brands owned by Armour. An important part of his role was to ensure that projects were managed to time and budget. "
AV product design
Dr Mark Collingwood
Director - Armour Home Electronics

Experience and technology

Having worked since 1999 in product design and engineering we have a wealth of experience to draw from both in terms of manufacturing knowledge and aesthetics. We use the very latest 3D CAD systems (SolidWorks Premium), and have in-house 3D printing and 3D scanning technologies.

Having invested in rapid prototyping equipment and industry standard design software our design process is very efficient meaning we can develop concepts in a few days and produce working prototypes in under hours.

Evaluation of physical prototypes using 3D scanning and in-house prototyping allows for fast iterative testing of components.

We use the very latest version of SolidWorks (Premium) to generate our 3D parts, assemblies and 2D control drawings. It can import legacy data from most common 3D file formats for reuse or as a reference.

SolidWorks is the industry standard software for designing and releasing information to prototyping and manufacturing partners.

The use of industry standard 3D CAD offers numerous benefits; it’s the old adage of using the ‘right tool for the job’. In the early stages of product development structural components can be run through FEA simulations (Finite Element Analysis) to highlight possible points of weakness.

Additionally, CFD simulations (Computational Fluid Dynamics) of how liquids fill a void, airflow and aerodynamics can show where efficiencies can be made.


Over the last 20 years we have worked on projects in an extraordinarily diverse range of industries including:

Access control, nuclear inspection, sporting goods, fragrance devices, (medical) disposable diagnostic, laboratory equipment, oil industry, construction equipment, DIY, marine safety, mother and baby, toys, martial arts, military, high-end audio products (amps), loudspeakers for consumer and retail market, AV systems (home automation), FMCG, packaging, transport, education, furniture, medical equipment handling, medical patient entertainment, consumer electronics, lifestyle products, sustainable products, security, process containment, industrial machinery, Healthcare – rehabilitation devices, marketing and promotion, barcode scanning, industrial workdesks, signage, point of sale, digital wayfinding, security, motorsport advertising, dental PPE, flight simulation, household goods, exhibition planning, wound care, luggage, petro-chemical, building & associated trades, cryogenics, industrial 3D-scanning, plush toys, airsoft, mountain bike accessories, home security, promotional gifts, gaming accessories, keyboards, pet care…

Contact us to discuss your idea!  We’re always happy to take your call, discuss the design process and what you need help with. 

Projects Completed
Hours Worked