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A4 Plus Ltd
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Design Engineering
We’re mechanical engineers with a passion for design.
We’ll assist your design engineers, or become your own design team, getting product ideas and changes to market quickly.
From our Engineering Design Centre in Cambridgeshire, we provide product and industrial design services, including prototype development and build.
We cover many industries and market sectors such as; food, water, gas, security, pharmaceutical, mechanical, aerospace, electrical, or agricultural engineering to name but a few.
Using state of the art 3D modelling software our Engineering Design Team will assist you at any stage, or all stages, of the design and development process.
We’ll give you conceptual ideas, prepare detailed 3D CAD (Computer Aided Design) models and digitally prototype the design.

Engineering & CAD Recruitment
Finding the perfect job for someone and bringing our clients an excellent new member to the team is what drives us.
But, it goes deeper than being capable recruiters; It’s about passion, It’s about building relationships and knowing the perfect place to look for that urgently needed and talented new member of staff.
We focus on potential employers needs, whilst they focus on developing their business, to find that perfect fit for someone looking to move on in their career.
Founded in 1990, with our years of industry experience you can be reassured that we speak your language. We’re recruiters with a firm focus on CAD and Design Engineers.
We find the perfect candidates for the right roles in a variety of engineering sectors; oil, gas, civil, rail, automotive, aerospace, structural, mechanical, electrical… the list goes on.
And we understand where you’re coming from, what you’re looking for. Why? Because we’re designers ourselves. We’re CAD engineers, designers, graphics originators.
We recognise the complexities involved in each industry and the necessity for attention to detail.

2D CAD Draughting
Our 2D CAD Draughting service is designed for simplicity. Easy to start. Easy to stop.
We’ll also tailor it to suit you too – our aim is to be an extension to your existing team, freeing their time to get on with more important tasks. And the great news is that you don’t need to expand your existing team – just use us. Put simply, it’s a cost-effective alternative to in-house staffing.
Want to know how it work? Give us a call - 01354 691820

Product Design
Turn your ideas into reality!
We have over 35 years experience in the design and testing of new products and we work in partnership with many different companies and provide a range of support.
How you work with us is entirely up to you. It can be anything from the initial idea stage through to building and testing a prototype. The preliminary technical designs are created in our design studio. From the outset we understand your requirements and use the latest CAD software to visualise the product. At this stage it’s possible to rotate and explore every aspect of the design, you just can’t physically touch anything. At the point where we're all comfortable that the design meets the requirements specified, a prototype is built. This will be used for testing the functional aspects of the product. The results will enable the designs to be refined before entering the manufacturing process.

Industrial Design
The design element for industrial production is only one part of a much bigger process. A4 Plus offer a range of services in this field which enables us to support customers at any stage. It also makes us an ideal partner when you need specific design expertise, because we understand the wider task.
Using CAD software, our design engineers can challenge themselves on the viability of a product. Detailed drawings unlock the potential of a new idea or concept. They also give you a wider choice of manufacturers and a quality checklist so you can inspect the parts that arrive back.

Detailing for Manufacture/Drawings
A4 Plus provides dynamic & innovative product and engineering design services, that are tailor made to your needs.
We’ll help you take an idea from conceptual design right through to a detailed drawing pack ready for manufacture.
Detailing - We take an approved design and ‘detail’ all the parts for manufacture and assembly build. The manufacturing drawing pack is quality checked prior to issue thereby reducing, if not eliminating, queries and problems during production. Our prototyping and manufacturing service uses the drawing pack to produce a prototype, turning your idea into a real product or part.
Draughting - Our draughting team is well versed in quickly and efficiently updating drawings from mark-ups or converting those hand-sketches and scribbles into professional CAD drawings so that parts can be made.
We’ll look after revision control and issuing of drawings – a helpful extension to your own team or becoming the drawing office you don’t have and need.

Reverse Engineering
We provide dynamic & innovative product and engineering design services, that are tailor made to your needs.
If you have a part or product that you need to re-manufacture, but don’t have the manufacturing drawings or documentation, then our reverse engineering service can help.
At A4Plus we scan your parts to produce 3D CAD models and the manufacturing drawings derived from them. This is ideal for complex, smaller parts where accuracy is vital.
For larger parts we use hand-measuring techniques to generate 3D models and 2D assembly drawings.

Site Surveys & Building Plans
Whether you’re moving premises, re-organising your current space or looking to improve production flow or customer experiences, accurate plans are essential.Our surveying team will capture your existing building plan; either from supplied drawings, CAD files or by a site survey. Then our designers will prepare proposals based on your brief, while taking into consideration building constraints, utility, network/data requirements and current EU legislation.We become as involved as you need, offering a range of services from quick and simple 2D floor plans to full interior design.
Our clients span a variety of industries and we’ve drawn up plans for; offices, factories, shops, sites and houses.

3D Visualisation
We all know the saying ‘a picture paints a thousand words’ and it’s true, 3D Visuals help sell your ideas or designs better than words alone. It’s about presenting your ideas to a customer or manufacturer.
Creating walkthroughs, animations and 3D visualisations from your 2D or 3D data, we provide you with professional content to help take your products and presentations to the next level.
With A4 Plus, it couldn’t be simpler. Whether you have some sketches, detailed CAD drawings, photographs or just a verbal description – we can help.
We have extensive libraries of textures and models to generate whatever it is you’re selling. Perfect for your sales and marketing literature or maintenance manuals and user guides.

Bureau Services
Our technical illustrators and graphic designers create innovative professional material, using the latest digital techniques to showcase your ideas in the best possible way.
From brochures, leaflets or other print media right through to dynamic, rendered 3D models and animations, we produce it all.
Whatever your plotting and printing requirements, A4 Plus offer fast and competitively priced plotting.
Whether colour or black and white we provide clean, clear, high resolution prints from a range of media.
We provide a range of scanning and data management solutions which allow you to quickly capture, convert and manage your documents and data.
We’re there at every stage, from scanning your data on, or off, site to helping you find your ideal data management system.

3D Printing
Looking for 3D Printing specialists with over 35 years of experience? A4 Plus provides dynamic & innovative product and engineering design services, that are tailor made to your needs.
You don’t always need a CAD file containing your design, we can work from sketches, drawings, photographs, even verbal descriptions. Downloading accurate information will make it possible to print a product prototype using our 3D printing machine.

Prototyping & Build
With our manufacturing partners we provide a ‘one-stop-shop’ for design, build and supply. By combining the design and development process with prototyping and manufacture we’re able to efficiently manage improvements to your parts and products as the project continues.
For testing concepts, and proving fit and function, our design team is ready to assist – supplying CAD data and parts, turning ideas into reality. Alternatively, why not consider digital prototyping. Get in contact and let us take you from paper to part.

Digital Prototyping
Send us your concept model – or talk to us about producing a model for you – and we’ll digitally prototype your design by applying real-world physics.
Digital Prototyping allows you to get your designs to market faster than your competitors and saves time and money.
This makes the next stage – Physical Prototype more certain and less trial-and-error.
Want to understand the benefits of Digital Prototyping more? Contact one of the team.

Startup Hub - Turn Your Ideas into a Commercial Reality
You already have a great idea for a new product or part. Maybe you’re unsure how to build a prototype or who to talk to about the commercial viability. Which is why A4 Plus have created the StartUp Hub.
This is a resource aimed at any new company looking to start their commercial journey. Perhaps you’re a business already operating. Or, maybe you’ve proved an idea as best you can at the kitchen table with a mocked-up prototype but now need to take it to the next level.
Whatever your set-up, you’ve one thing in common – an idea for a new product but limited funds for the design and development. In truth you might be unsure on the process and how to bring your product to market.
A4 Plus has over 35 years experience in the design, development and testing of new products. We’ve the capabilities and expertise to make your ideas a reality. Which is why if you have the initial idea, we can provide the specialist advice.

Job Seekers
Looking for a job in engineering design?
Whether you’re just starting out or looking for an exciting new opportunity, our engineering & CAD recruitment specialists can help. We’ve been matching candidates with their ideal roles in the engineering industry since 1990.
We don’t just match skills and experience; we believe in taking the time to understand what you’re looking for and ensure that your ambitions and values are a match too.
Our focus is on engineering design jobs, draughts-people, graphics originators, design office staff and other roles that require a strong, technical background. We know these roles inside out because that’s what we do!
We’ve forged strong relationships with our clients over the last 25 years so we’re often aware of positions before they’re even advertised. We recruit for permanent positions as well as long and short-term contracts.

Employers
Our dedicated Engineering and CAD Recruitment specialists use their industry expertise to source the right candidate for you, either on a permanent or contract basis.
Looking for someone to work onsite?
We’ve been providing Computer Aided Design (CAD) services to clients since we were founded in 1990, so all of our staff understand what’s really involved in the industry. We only recruit for engineering and CAD positions, so we fully understand the type of people you’re looking for. We’ll find you the right candidate for the job and for your company, it’s what we do on a daily basis.
As a member of the Recruitment and Employment Confederation (REC), we take pride in delivering an ethical service for our candidates and our clients.
About us
A4 Plus Ltd offers innovative and dynamic product and engineering design services. Since 1990, we have helped clients turn their ideas into reality. Our expertise covers a full range of engineering CAD services essential for advanced product design and development.
As a trusted partner in technology and product design, we have supported local, national, and global organisations in their growth. Our clients rely on us to bring their ideas to life through innovative design and development.
Our Services Include:
Design Engineering
As passionate mechanical engineers, we support your design team or act as your dedicated design partner, bringing product ideas to market efficiently. From our Cambridge Engineering Design Centre, we offer product and industrial design, including prototyping, across industries like food, water, gas, security, aerospace, and more.
Engineering & CAD Recruitment
We are driven by matching top talent with the right opportunities, going beyond recruitment to build lasting relationships. With a deep understanding of employer needs, we find the perfect fit for both businesses and job seekers, allowing companies to focus on growth while we connect them with skilled professionals.
Prototyping
Digital prototyping streamlines development by saving time and costs. Using advanced CAD software, we create virtual 3D models to assess part compatibility, simulate real-world conditions, and predict failures, stress points, and lifespan. This fast, precise process eliminates the need for costly physical testing.
2D CAD Draughting
We customise our services to seamlessly integrate with your team, allowing them to focus on key tasks. The best part? There’s no need to hire additional staff—simply rely on us. It’s a flexible, cost-effective alternative to in-house staffing.
A4 Plus provides dynamic & innovative product and engineering design services, that are tailor made to your needs.
- Fully certified & accredited
- Quality assured with ISO 9001 standards
- Work directly with the engineer managing your job
- Pricing to suit your needs – by the hour, by the drawing or by the job. It can’t get simpler. Fast, free, no-obligation quote
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