We specialize in window production, combining professionalism and modern technologies. We deliver the highest quality products. We focus on innovative solutions and precision of workmanship, guaranteeing our customers not only aesthetics, but also durability and functionality for years.
Manufacturer of windows and doors
A company with traditions
The BERTRAND company has been building its reputation continuously since 1969.
Since then, we have fulfilled the dreams of many clients in Poland, European countries and even in the USA, Australia and New Zealand.
BERTRAND is a respected manufacturer of windows, doors and facades.
We enjoy wide recognition among investors in individual, investment and historic construction, as well as in the most restrictive energy-saving and passive construction.
See our projects, each of them is unique and implemented with passion and heart!
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Czy można zdobyć najwyższy szczyt na świecie…nie wyjeżdżając przy tym z Polski? Można! Trzeba jednak przejechać się do Warszawy i
Do gamy znanych i sprawdzonych produktów firmy dołączyły nowe. Chcemy Wam je przedstawić, bo, zapewniamy, są to naprawdę warte uwagi
Tegoroczna edycja targów NAHB International Builder’s Show rozpocznie się za niespełna dwa tygodnie. Nasza firma już po raz szósty pojawi
We like to tell you about our employees and introduce them as often as possible. As you read this text, you will find out
In the era of dynamic technological development, many industries constantly implement new, effective solutions. The Bertrand company is a perfect example of this. To be able to consistently
A versatile system allowing the construction of windows, balcony or entrance doors, which is characterized not only by excellent technical parameters, but also
Do you have any questions?
If you have any questions about our offer or are interested in cooperation, do not hesitate - fill out our contact form.