Who we are

Neyco’s expertise,
the strength of the HEF group

Neyco, a specialist in Vacuum, Inorganic Materials and Thin Films

Neyco supports manufacturers, laboratories and high-tech players with materials, components and solutions suited to the most demanding environments.

At the interface between research, design offices and production, our teams support you from the definition of your needs to delivery.

50+ years

Of expertise

ISO 9001
& ISO 14001

Quality and environment

HEF group since 2022

International industrial environment

From your application to the solution

Our knowledge of materials, products and their operating constraints
enables us to meet standard needs as well as specific requests.

Expertise serving demanding environments

Neyco works on applications where precision, reliability and technical mastery are essential.

Our knowledge of products, materials and application constraints enables us to support standard needs as well as more specific requests.

Every day, our teams provide personalised support to understand, create, transform and deliver the products you need.

Neyco HEF Photonics

Neyco within the HEF group: continuity, expertise and new prospects

Since 2022, Neyco has been a fully-fledged entity of the HEF group, a world expert in surface materials engineering.

This integration is part of the group’s strategy to strengthen and diversify its photonics activities, notably through external growth, which has led several companies with complementary expertise to join HEF.

Thanks to this integration, Neyco can now rely on a stronger industrial, technological and international environment, while keeping its identity, its positioning and the close relationship built with its customers.

Proximity preserved

Same positioning and same attention to customer needs

Strengthened expertise

Access to a wider industrial and technological ecosystem

International reach

Ability to contribute to more ambitious technical projects

The HEF group

A world leader serving industrial innovation

The HEF group is a world leader in surface materials engineering. Since 1953, it has been developing cutting-edge technologies in tribology, photonics and hydrogen technologies, combining scientific research, industrial expertise and international deployment.

Present in more than 20 countries through a global network of industrial sites, HEF supports its customers in demanding markets such as mobility, construction, low-carbon energy, defence, space and medical. This international dimension is a pillar of its development, with almost 80% of its turnover generated abroad.

The group also stands out for its social innovation model, based on majority employee shareholding. This model fosters employee commitment, the long-term future of the company and a long-term vision serving industrial innovation.

Through its ability to turn science into concrete industrial solutions, HEF is a benchmark player in meeting its customers’ technological, economic and environmental challenges.

Our commitments

Quality and
traceability

Neyco puts quality, traceability and reliability at the heart of its operations.

Our ISO 9001 and ISO 14001 certifications reflect our commitment to continuous improvement, serving customer satisfaction, control of our processes and environmental issues.

Depending on the products, we provide the certificates of analysis and the traceability information needed to monitor them.

Responsiveness and availability

Our teams rely on an agile organisation and on a stock of many references to respond quickly to the needs of laboratories, design offices and production environments.

Neyco in figures

  • 3390 employees
  • €20 M turnover
    in 2025
  • 240 patent
    families
  • 94 industrial
    sites