The Group

We’re proud to be part of the LTi Group of Companies, which was founded by Klaus Isaak in 1969.

The LTi Group of Companies is an international group of high-tech engineering companies based in Europe which exports globally. The group employs around 1000 people in seven locations, with an annual turnover of circa €130 million.

The group has seen a great amount of change over four decades. Our company’s founder moved to new headquarters, new services have been developed to adapt to market needs, employees have grown and additional sites and sister companies established.

Cloos welding 1

However, what has remained at the heart of our operations is the provision of innovative and market-leading solutions, a high level of quality standard in everything we do, and absolute customer orientation.

Our progressive approach to company management has seen us gain a reputation of being synonymous with competence, customer focus and quality awareness.

LTi Metaltechnik - Key Sectors

  • Automation engineering
  • Railway technology
  • Computer industry
  • Printing industry
  • Energy
  • Air conditioning and ventilation technology
  • Health
  • Electrical engineering

You can find out more about our international site here:


Our History

We’re honoured to be part of the LTi Group of Companies, a world leading organisation of high tech engineering companies established in Germany back in 1969. Having been part of the Group since 2005, we share its focus on quality, ongoing commitment to innovation and mutual core values.


Founder Klaus Isaak establishes LTi-Lüftungstechnik, which is the first step towards creating the LTi Group of Companies we know today. The company initially made its name in agriculture, before sheet metal became more in-demand


LTi-Lüftungstechnik is renamed toLTI-Metalltechnik GmbH.


LTi Metaltech Ltd founded in the UK, bringing the same focus on innovation and quality standards in our work, while giving the LTi Group a route into the UK through our Oxfordshire facilities.


LTi Metalltechnik celebrates its 40th birthday with customers, suppliers, other members of the LTi Group, and its staff.


LTi Metaltech acquires Vessco Engineering Ltd



We are continuously striving for quality, innovation, and sustainability across our operations. Implementing our unique internal set of policies, allows us to assure our customers that the work we complete is always to the most rigorous standards of quality and resilience, supported by a culture where employees are valued, respected, and listened to at all times.

Having been formed initially to serve the exclusive requirements of Siemens within the field of cryogenics and pressure vessels in the healthcare manufacturing sector, in recent years we have been able to expand our reach into new markets where a high degree of engineering precision and integrity are critical to the manufacturing process