As a family-run company, we have been active on the Polish and foreign markets for over 20 years. Doors are manufactured by an experienced team in a modern factory in Będzin, equipped with excellent machinery and with the support of our own design department and construction office. We also provide comprehensive consultation and training. Leon exports its detail-oriented products to many European countries.

Change of legal form of the Company to Leon Witas Sp. z o.o.
We are launching the new Leon Premium brand. It is a selection of products from the Leon range enhanced with new finishes and technological improvements.
Contributing to the company's growth are EU subsidies, which we are actively using to expand the research centre and equip it with state-of-the-art testing machinery.
Leon introduces a project co-financed by EU funds. "Construction of a Research and Development Centre for the development of a range of sliding and swing doors".
Procurement of modern machinery for the machine park aimed at optimising and automating production and further development.
A clear division of Leon products into three brands: TBL by Leon (a combination of an aluminium concealed frame with a sash based on an aluminium frame), Leon and Complete by Leon.
Leon protects its intellectual property by filing further solutions for patenting with the Polish Patent Office.
This year, Leon celebrates its 15th birthday. From the beginning, it has been a leader in the production of aluminium concealed door frames and sliding systems.
Expansion of the company - creation of a modern office and display centre, with the intention of promoting the company.
Ordering of state-of-the-art machinery and product expansion with a new brand of doorframes.
New product launch - Spazio wall-mounted sliding systems.
Introduction of the Sara concealed door frame range.
Separation of the construction chemicals part of the company under the WiM brand (cooperation with Atlas). Establishment of the Leon brand on the market - Classic door collection - sliding and swinging doors - aluminium doors.
Development and promotion of a new brand called Leon.
The company is enhanced with a new production centre.
Further development of the product range and modernisation of the machinery.
Introduction of the new Leon Premium collection - aluminium doors, with aluminium frame. Construction of a new machine park in Będzin.
Dynamic expansion and development of the sales department.
Start of cooperation with foreign customers - sales to the Czech Republic, Slovakia, Romania, Spain, Russia, Lithuania, Belarus, Ukraine and Hungary - thanks to the development of the export department we are able to expand sales.
Continuous development of the company and brands - creation of innovative sliding door systems with matching accessories; creation of the Leon Classic sliding door collection.
Opening of the machinery park in Bedzin.
The family-owned company WiM S.C. is founded and begins producing its own sliding systems and concealed doors.
Market entry - the company's main domain is the import of high-quality sliding systems from Italy.