Discover Our Portfolio
of Industry Leaders
Driving Long-Term Value Driving Long-Term Value

Every company we acquire is more than an investment - it’s a long-term partnership. Backed by our capital, guided by decades of industrial expertise, and supported through disciplined governance, our businesses evolve into market leaders with the strength to thrive for generations.

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Companies

Companies

Founded:
1976
Joined the group:
1995
Sector:
Advanced Thermoforming & Plastic Fabrication

A 50+-year leader in end-to-end thermoforming, Plastoform integrates design, tooling, CNC trimming, 3D scanning, and textiles - all under one ISO-certified roof. Their relentless innovation and €30M+ equipment investments make them a trusted solution partner across Europe.

Founded:
1976
Joined the group:
1998
Sector:
Acrylic Windows for RVs & other Acrylic products

Acryform has become a global benchmark in RV glazing since 1976, delivering custom acrylic solutions worldwide. Anchored by quality, adaptability, and innovation, this European leader continues to scale with G4’s strategic support.

Joined the group:
2001
Sector:
Rental premises

Istrarent Facility provides strategic equipment rental and logistics solutions, complementing G4’s operational infrastructure. This asset supports flexible scaling and targeted deployment across portfolio companies.

Founded:
1958
Joined the group:
2012
Sector:
Paper Bag Manufacturing & Printing

Papiroti is Slovenia’s leading converter of paper packaging, producing millions of eco-friendly bags annually across 35+ countries. Their loyalty to sustainability and end-to-end delivery makes them a packaging powerhouse within G4.

Founded:
1974
Joined the group:
2016
Sector:
Skylights, Cast polyamides & Acrylic Sheet Manufacturing

Akripol, acquired in 2016, is renowned for manufacturing high-grade skylights, cast polyamides and cast acrylic sheets. Their production strength underpins G4’s material supply chain and industrial growth strategy.

Founded:
1954
Joined the group:
2018
Sector:
Wheels & Castors Manufacturing

LIV Systems brings decades of precision in wheel and castor engineering since 1954. As part of G4, they combine high-quality European manufacturing with agility—meeting global mobility demands faster and better.

Founded:
2014
Joined the group:
2019
Sector:
Steel Service Center & Metallurgical Processing

Mersteel SSC is a trusted steel service provider offering custom processing, finishing, and logistics. Part of G4’s industrial backbone, they excel in tailored metallurgical solutions for demanding clients.

Founded:
1990
Joined the group:
2023
Email:
Sector:
Precision Injection Moulding & Toolmaking

IMAS is a precision injection-moulding powerhouse that has continually expanded through quality, innovation, and environmental excellence, backed by ISO 9001 & 14001. Since joining G4 in 2023, IMAS benefits from group synergy and industrial scale to deliver millions of components globally.