
- IS09001 2015

General Engineering Services
Comprehensive Solutions for Diverse Engineering Needs
At NTG, general engineering is at the heart of what we do. Since 1945, our machine shop has delivered high-quality, precision solutions for clients across a broad spectrum of sectors. Whether you need single prototypes, small production runs, or full turnkey components, our skills in CNC machining, custom component manufacturing, prototype engineering, reverse engineering, heat treatment, and finishing ensure your project is in capable hands.
Our team combines decades of experience with the latest engineering fundamentals and practical skills, enabling us to tackle complex engineering problems across multiple engineering disciplines. We pride ourselves on a solid foundation in engineering knowledge, which supports our ability to deliver innovative solutions tailored to your specific needs.
We understand the importance of project management and systems engineering in delivering successful outcomes. From initial concept through to final delivery, our integrated design projects are managed with precision and attention to detail, ensuring timely completion and adherence to quality standards.
In addition to our core capabilities, we actively collaborate with industrial partners to stay at the forefront of modern engineering practice. This collaboration allows us to incorporate the latest advancements in materials science, thermodynamics and fluid mechanics, and electronic engineering into our processes, resulting in superior products that meet the demands of today’s challenging industrial contexts.
We also recognise the value of continuous professional development and leadership skills within our team, which translates to better service and innovative approaches for our clients. Our commitment to academic support and ongoing training ensures that our engineers are equipped with specialist knowledge and transferable skills necessary for future career growth and industry leadership.
By choosing NTG, you are selecting a partner that not only meets entry requirements for quality and precision but exceeds expectations through a comprehensive understanding of the broad range of engineering subjects. Our approach integrates engineering mathematics, computer aided design, and problem-solving methodologies, ensuring your projects benefit from a robust and reliable engineering foundation.
Whether your requirements involve mechanical engineering, electrical engineering, or civil engineering components, our expertise covers the full spectrum, including the use of advanced heat treatment techniques and finishing processes to enhance durability and performance. We are committed to helping general engineering graduates and professional engineers alike by providing solutions that align with the standards set by the Engineering Council and professional bodies such as the Royal Aeronautical Society.
Our dedication to excellence and innovation has made us a trusted name in the industry, capable of handling complex engineering systems and delivering practical, cost-effective solutions that support your business success.
Why Choose NTG for General Engineering
- Comprehensive In-house capabilities
From CAD modelling to final surface finish, we handle all stages — from prototype engineering through manufacturing and delivery. - State-of-the-art CNC machining
Our multi-axis milling, precision turning, boring and grinding equipment allows us to produce components to tight tolerances. - Custom component manufacturing expertise
Whether bespoke parts or low-volume batches, our team is accustomed to delivering bespoke solutions that meet your exact requirements. - Reverse engineering proficiency
If original drawings are missing or damaged, we can reverse engineer components using inspection, measurement and modelling technologies. - Heat treatment & finishing
We control material properties through hardened, tempering, annealing, casehardening as needed, and ensure the proper finish—polishing, coating, grinding—to meet performance and aesthetic demands. - Proven track record & reliability
Over 75 years of experience. We adhere to ISO 9001 standards, deliver on time, and work with strict quality control to ensure consistency and repeatability. - Engineering projects management and consultation
Beyond manufacturing, we offer expert project management services to enable seamless coordination of engineering projects from concept to completion. Our experienced team assists in planning, risk assessment, and resource allocation to ensure your project meets deadlines and budget constraints. - Support students and emerging engineers
We are committed to fostering the next generation of engineers by providing internship opportunities and mentorship programs. Our collaboration with educational institutions helps support students in gaining practical experience and developing skills essential for their future careers. - Commitment to sustainable practices
Recognising global challenges, we integrate environmentally responsible methods and materials in our processes. This includes energy-efficient machining techniques, waste reduction strategies, and the use of sustainable materials wherever possible. - Integration of advanced technologies
To maintain our competitive edge, we continuously adopt cutting-edge technologies such as machine learning for process optimisation and advanced software engineering tools for enhanced design accuracy and efficiency. - Flexible solutions for diverse industries
Our broad expertise allows us to cater to the unique requirements of various sectors, including aerospace, automotive, marine, and renewable energy, ensuring tailored solutions that address specific industry standards and regulations.
Case Study: Restoring Hydraulic Pump Housing for Maritime Application
Client challenge: A maritime repair company approached NTG when a hydraulic pump housing from a vessel was damaged. The original housing was discontinued, and no detailed drawings remained.
Our solution:
- We carried out full reverse engineering, measuring the defective part using 3D scanning and manual gauges.
- A prototype was engineered in CAD, then modified to improve fatigue resistance.
- Using CNC machining, we manufactured the component from marine-grade steel.
- The component underwent heat treatment to achieve the required hardness and strength.
- Finally, we applied finishing processes, including grinding to seal surfaces and protective coating against saltwater corrosion.
Result: The client received a fully functioning replacement housing, extended service life, and avoided the cost and delay of sourcing from overseas or having a new casting produced.
This case highlights the critical role that advanced engineering techniques and project-based learning play in solving complex industrial challenges. By integrating state-of-the-art reverse engineering technologies with traditional machining expertise, NTG was able to deliver a bespoke solution that not only met but exceeded the client’s expectations. The use of marine-grade steel ensured durability in harsh maritime environments, while the heat treatment process enhanced the mechanical properties of the component, ensuring long-term reliability.
Moreover, the project exemplifies the importance of systems thinking and effective project management in general engineering. Coordinating the various stages—from initial measurement and CAD design through manufacturing and finishing—required meticulous planning and interdisciplinary collaboration. This approach ensured timely delivery without compromising quality, demonstrating how a solid foundation in engineering fundamentals and practical skills can address real-world problems effectively.
Such projects also contribute to the professional development of our engineering team, enabling students and emerging engineers to gain hands-on experience with industrial placement opportunities. These experiences foster critical thinking and leadership skills, preparing future chartered engineers to tackle diverse challenges across multiple engineering disciplines.
Ultimately, this case study reflects NTG’s commitment to sustainable practices by reducing lead times and minimising environmental impact through local manufacturing solutions. Our ability to adapt and innovate within the framework of modern engineering practice makes us a trusted partner for clients seeking high-quality, reliable engineering services.
Industries We Serve
Since our foundation in 1945, NTG has worked across many industries. We understand their unique requirements, which allows our general engineering service to tailor its capabilities accordingly. Key sectors include:
- Marine & Shipbuilding
- Oil & Gas
- Power Generation (including renewables)
- Automotive & Motorsport
- Aerospace & Defence
- Rail & Transport
- Mining & Quarrying
- Agricultural Machinery
- Food & Beverage Processing Equipment
- General Manufacturing & Industrial Plant
What General Engineering Services Do We Offer
- Prototype Engineering – Designing, building first samples, testing design concepts.
- Custom Component Manufacturing – Low to medium volume bespoke parts; special alloys; tight tolerances.
- CNC Machining – Milling, turning, multi-axis machining, boring, threading.
- Reverse Engineering – Measurement, scanning, re-creation, and redesign of legacy parts.
- Heat Treatment & Finishing – Hardening, tempering, annealing; coatings, grinding, polishing.
Contact Us / Get a Quote
If you have a general engineering requirement — whether for a prototype, a bespoke component, or full reverse engineering work — contact NTG today. We’ll discuss your project, assess feasibility, provide estimated lead times and competitive pricing.