Kružík
Industrial doors, loading technology and engineering solutions.
International industrial & investment group
Building companies.
Creating value.
Creating long-term value through innovation, engineering excellence and responsible ownership.
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Who we are
Built for the long term.
Firefly Holding is an international industrial and investment group focused on building sustainable businesses with a long-term vision.
Our companies operate across manufacturing, automation, industrial technologies and strategic investments. We create lasting value through innovation, responsible growth and strong international partnerships.
30+Years of industrial experience
4International markets
6Operating companies
Our journey
From one company to an international group.
More than three decades of steady development, international expansion and new industrial ventures.
1994
Kružík
Foundation of the company and the beginning of our journey in industrial door systems.
2000
Kružík Ukraine
Expansion into the Ukrainian market and establishment of long-term regional operations.
2021
FMK Motorized
Launch of intelligent drive systems and advanced door automation technologies.
2024
FMK Motorized Spain
Creation of a strategic hub serving Southern Europe and the Mediterranean region.
2025
FMK Entrance
Development and manufacturing of high-speed spiral door systems.
2026
FMK Door System China
Establishment of manufacturing, sourcing and distribution operations for Asian markets.
2026
Firefly Holding
Bringing technology, manufacturing and strategic investments together under one long-term vision.
Our companies
One group. Multiple areas of expertise.
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Kružík Ukraine
Sales, service and technical support for the Ukrainian market.
FMK Motorized
Intelligent automation, motors and control systems for door applications.
FMK Motorized Spain
Sales, technical support and logistics hub for Southern Europe.
FMK Entrance
Development and manufacturing of high-speed spiral door systems.
FMK Door System China
Manufacturing, sourcing and distribution for Asian and international markets.
Global presence
Local expertise. International ambition.
CZCzech Republic — Headquarters and manufacturing
UAUkraine — Regional sales and service
ESSpain — Southern European hub
CNChina — Manufacturing and Asian operations
Our core values
Principles that guide every decision.
Long-Term Thinking
We build businesses with a vision that extends beyond market cycles.
Innovation
We continuously develop technologies, products and manufacturing processes.
Engineering Excellence
Precision, reliability and technical expertise form the foundation of our group.
Responsible Ownership
We act responsibly towards our employees, partners and future generations.
Partnership
Strong and lasting relationships are essential to sustainable success.
Sustainable Growth
Growth is meaningful only when it creates lasting and measurable value.
Investment focus
Where experience meets opportunity.
Industrial TechnologiesDoor AutomationAdvanced ManufacturingCommercial Real EstateRenewable EnergyInternational ExpansionStrategic Partnerships
Our vision
We do not build businesses for the next quarter. We build them for the next generation.
Contact
Let us build lasting value together.
Firefly Holding
Czech Republic