How do you ensure quality and compliance?

Quality and compliance are central to everything we do at Rosti Group. All of our 12 manufacturing facilities operate under internationally recognised certifications, including ISO 9001, ISO 13485 (medical), ISO 14001, and ISO 50001, ensuring rigorous standards for quality, sustainability, and energy management. Our teams follow robust quality assurance processes, including advanced product validation, in-line inspections, and traceability systems to guarantee consistency and reliability across every production run. For highly regulated sectors such as medical devices, automotive, and consumer goods, we ensure strict adherence to industry-specific standards and regulatory requirements. Through continuous improvement programmes, data-driven monitoring, and close collaboration with our customers, we deliver products that not only meet but often exceed expectations for quality, safety, and compliance.

Do you provide design and engineering support?

Yes. At Rosti Group, our support goes far beyond plastic injection molding. Our Plastic Contract Manufacturing services provide full design and engineering services, helping customers bring ideas from concept through to production. Our teams collaborate with you at every stage of the product lifecycle — from initial design for manufacture (DFM), prototyping within 72 hours, and material selection, through to tooling, testing, and full-scale production. By combining advanced simulation, rapid prototyping, and in-house engineering expertise, we ensure your products are optimised for performance, cost efficiency, and sustainability. This end-to-end approach not only accelerates time to market but also reduces risks, waste, and costs throughout the supply chain.

Where are your manufacturing facilities located?

Rosti operates 12 state-of-the-art production facilities strategically located across Europe, North America, and Asia. This global footprint allows us to manufacture close to your end markets, helping to reduce lead times, optimise supply chains, and support your sustainability goals. By accessing the full breadth of our plastic injection molding capabilities at any of our sites, you benefit from consistent quality, efficiency, and innovation worldwide. The advantages of this approach include reduced time to market, the ability to navigate economic headwinds with greater flexibility, and opportunities to lower costs through optimised production and logistics – helping you stay competitive in a fast-changing marketplace.

How do you support sustainability goals?

From an early stage in our contract manufacturing process, sustainability is a core element of conversations with our design and innovation teams to ensure that we are able identify opportunities to help you reduce your impact on the environment. We are continuously investing to ensure all aspect of our business operations are reducing Rosti’s impact on the environment and this can be seen throughout all aspects of our contract manufacturing services. From providing options to manufacture in sustainable and recyclable materials during the design phase through to energy-efficient machines. Adopting automated and lights-out production enables us to move away from traditional manufacturing methods, helping to drive efficiencies when it comes to material utilisation and reducing waste. When planning the logistics and delivery of a finished product, packaging is an integral part to to transporting high-quality products. Our Contract Manufacturing team support customer to select light-weight returnable or recyclable packaging to reduce waste and emissions whilst maintain quality standards.

What is Contract Manufacturing

Contract manufacturing happens when one company partners with a specialized manufacturer to produce specific components or products for a set period of time. Think of it as outsourcing production to experts who can deliver exactly what you need, when you need it. In a typical arrangement, a contract manufacturer produces parts, components, or even complete products according to the client’s specifications. These items are then used by the client in their own manufacturing process or incorporated into their final products. Many contract manufacturers operate as third-party specialists, either focusing solely on subcontracting or supplying products to multiple companies. Learn more about <a href="https://www.rosti.com/en-us/resources/blogs/contract-manufacturing/">contract manufacturing</a>.

Rosti

Contract Manufacturing

Contract Manufacturer with global footprint

Discover Turnkey Contract Manufacturing

Rosti provides fully integrated contract manufacturing solutions that combine precision moulding, advanced automation, and end-to-end production management.

We support our customers from initial design and prototyping all the way through assembly, testing, packaging, and global delivery—ensuring consistent quality and dependable scalability. With expertise across regulated and high-volume markets, Rosti offers a flexible, efficient, and cost-effective manufacturing partnership backed by in-house engineering, supply chain management, and global production capabilities.

At Rosti, we take pride in being big enough to deliver and small enough to care—and that is especially true with our custom turnkey manufacturing solutions.

Tony Austin
European Technical Director

From concept to reality

With decades of experience and innovation, Rosti delivers cutting-edge technology for injection moulding projects worldwide—but we also offer our customers a much broader range of services. We provide managed and contract manufacturing services, from initial product concept and design all the way through logistics and delivery. With our wide range and depth of capabilities, we can assist you through any and all stages of manufacturing. Contact us to find out how we can help with your contract manufacturing needs.

As a company, we’ve carefully managed our growth over the past 20 years to make sure we maintain our flexibility and accessibility in contract manufacturing. This has allowed us to proudly deliver projects not only to small businesses, but also to some of the world’s largest companies.

Learn more about contract manufacturing in general in this post

Precision Production Tailored to Your Needs

We possess extensive experience handling a broad spectrum of production volumes, enabling us to offer exceptional flexibility and efficiency. Whether you require a small prototype or a large-scale production run, we consistently uphold the highest standards of manufacturing accuracy. For us, contract manufacturing means delivering the right product for the right application—using suitable materials and optimal production conditions. With our diverse range of production techniques and material options, we ensure every product meets its precise specifications and quality requirements.

Sustainable Contract Manufacturing for the Plastic Injection Market

Global and Bespoke Turnkey Manufacturing Solutions

We are a proactive partner for our clients. We develop and maintain close relationships, aiming to be an essential part of your success. To remain close to our customers, we maintain locations worldwide, including innovation centres in the UK, Eastern Europe, and Asia, as well as a packaging product solutions team based in Germany.

To maximise value, it’s ideal to involve Rosti as early as possible in your product development process – preferably at the design stage. By doing so, we can anticipate upcoming challenges and opportunities, and assist you in making efficient, sustainable choices regarding material selection and product functionality, as well as manufacturing, assembly, decoration, and logistics.

Rosti made with care and precision

Having successfully contract manufactured millions of products, everything we produce is created with care and precision. Our commitment to continuous improvement and innovation means you have access to the most advanced technologies our industry offers. Contact us today to find out how we can support your contract manufacturing needs.

FAQ

What is OEM vs Contract Manufacturing?

OEMs and contract manufacturers differ primarily in terms of control, intellectual property ownership, and design responsibility. An Original Equipment Manufacturer (OEM) produces products according to a client’s precise design, with the client retaining ownership of the brand and intellectual property. In contrast, a Contract Manufacturer (CM) typically manufactures parts or complete products based on the client’s specifications, while the client maintains control over the design and production requirements. In many cases, contract manufacturing forms part of an OEM relationship, where the CM serves as the production partner or factory, and the client acts as the OEM.
How do you ensure quality and compliance?

Quality and compliance are central to everything we do at Rosti Group. All of our 12 manufacturing facilities operate under internationally recognised certifications, including ISO 9001, ISO 13485 (medical), ISO 14001, and ISO 50001, ensuring rigorous standards for quality, sustainability, and energy management.

Our teams follow robust quality assurance processes, including advanced product validation, in-line inspections, and traceability systems to guarantee consistency and reliability across every production run. For highly regulated sectors such as medical devices, automotive, and consumer goods, we ensure strict adherence to industry-specific standards and regulatory requirements.

Through continuous improvement programmes, data-driven monitoring, and close collaboration with our customers, we deliver products that not only meet but often exceed expectations for quality, safety, and compliance.
Do you provide design and engineering support?

Yes. At Rosti Group, our support goes far beyond plastic injection molding. Our Plastic Contract Manufacturing services provide full design and engineering services, helping customers bring ideas from concept through to production.

Our teams collaborate with you at every stage of the product lifecycle — from initial design for manufacture (DFM), prototyping within 72 hours, and material selection, through to tooling, testing, and full-scale production. By combining advanced simulation, rapid prototyping, and in-house engineering expertise, we ensure your products are optimised for performance, cost efficiency, and sustainability.

This end-to-end approach not only accelerates time to market but also reduces risks, waste, and costs throughout the supply chain.
Where are your manufacturing facilities located?

Rosti operates 12 state-of-the-art production facilities strategically located across Europe, North America, and Asia. This global footprint allows us to manufacture close to your end markets, helping to reduce lead times, optimise supply chains, and support your sustainability goals. By accessing the full breadth of our plastic injection molding capabilities at any of our sites, you benefit from consistent quality, efficiency, and innovation worldwide.

The advantages of this approach include reduced time to market, the ability to navigate economic headwinds with greater flexibility, and opportunities to lower costs through optimised production and logistics – helping you stay competitive in a fast-changing marketplace.
How do you support sustainability goals?

From an early stage in our contract manufacturing process, sustainability is a core element of conversations with our design and innovation teams to ensure that we are able identify opportunities to help you reduce your impact on the environment.

We are continuously investing to ensure all aspect of our business operations are reducing Rosti’s impact on the environment and this can be seen throughout all aspects of our contract manufacturing services.

From providing options to manufacture in sustainable and recyclable materials during the design phase through to energy-efficient machines. Adopting automated and lights-out production enables us to move away from traditional manufacturing methods, helping to drive efficiencies when it comes to material utilisation and reducing waste.

When planning the logistics and delivery of a finished product, packaging is an integral part to to transporting high-quality products. Our Contract Manufacturing team support customer to select light-weight returnable or recyclable packaging to reduce waste and emissions whilst maintain quality standards.
What is Contract Manufacturing

Contract manufacturing happens when one company partners with a specialized manufacturer to produce specific components or products for a set period of time. Think of it as outsourcing production to experts who can deliver exactly what you need, when you need it.

In a typical arrangement, a contract manufacturer produces parts, components, or even complete products according to the client’s specifications. These items are then used by the client in their own manufacturing process or incorporated into their final products. Many contract manufacturers operate as third-party specialists, either focusing solely on subcontracting or supplying products to multiple companies.

Learn more about contract manufacturing.

What is OEM vs Contract Manufacturing?

OEMs and contract manufacturers differ primarily in terms of control, intellectual property ownership, and design responsibility. An Original Equipment Manufacturer (OEM) produces products according to a client’s precise design, with the client retaining ownership of the brand and intellectual property. In contrast, a Contract Manufacturer (CM) typically manufactures parts or complete products based on the client’s specifications, while the client maintains control over the design and production requirements. In many cases, contract manufacturing forms part of an OEM relationship, where the CM serves as the production partner or factory, and the client acts as the OEM.