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Ziegler / Eckelt / Dual Seal

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Dual Seal Glass Ltd. (Huddersfield, UK), Eckelt Glas (Steyr, Austria) and Glasziegler GmbH (Vienna, Austria) bring together three established glass processing companies within Europe. Together, they form a powerful, internationally active group for high-quality flat glass and specialty glass solutions.

The group combines advanced manufacturing technologies with decades of craftsmanship and engineering expertise. Its portfolio includes energy-efficient insulating glass, safety and functional glass, specialty glazing, as well as customised solutions for demanding architectural and industrial applications.

The companies support their customers along the entire value chain – from technical consulting, project development and planning to precise series production. Their products are used in residential and commercial buildings, façade and system solutions, design applications and specialised large-scale projects.

With locations in the United Kingdom, Germany and Austria, the Vandaglas Group operates a strong European production network with short delivery routes and high responsiveness. Quality, reliability and tailored solutions make the group a valued partner for window manufacturers, metalworkers, architects, system suppliers and international OEMs.

The combined expertise of the three companies ensures deep manufacturing competence, flexible capacities and an uncompromising commitment to precision and service – strengthening the Vandaglas Group’s position as a leading provider of modern glass solutions in Europe.

Company Information

Locations

  • Huddersfield, United Kingdom (Dual Seal Glass Ltd.)

  • Steyr, Austria (Glas Eckelt)

  • Vienna, Austria (Glasziegler GmbH)

Year of Acquisition

2025

Revenue

EUR 75m

FTEs

375

Segment

Flat glass processing, architectural glass, specialty & functional glass

Product

High-quality glass solutions:
• Energy-efficient insulating glass
• Safety and functional glass
• Architectural and façade glass
• Specialty and design glazing
• Solutions for commercial, industrial and architectural applications

Turnaround-Topics

Strategy

Harmonisation & focus of the group

Sales

Efficiency enhancement & market expansion

Finance

Cost transparency & capital optimisation

Operations

Process stability & technology development

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